1111 lines
35 KiB
JavaScript
1111 lines
35 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 = exports.ModuleMap = exports.DuplicateError = void 0;
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function _crypto() {
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const data = require('crypto');
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_crypto = function () {
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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 _events() {
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const data = require('events');
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_events = function () {
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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 _os() {
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const data = require('os');
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_os = function () {
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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 path() {
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const data = _interopRequireWildcard(require('path'));
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path = function () {
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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 _v() {
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const data = require('v8');
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_v = function () {
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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 _gracefulFs() {
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const data = require('graceful-fs');
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_gracefulFs = function () {
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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 _jestRegexUtil() {
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const data = require('jest-regex-util');
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_jestRegexUtil = function () {
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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 _jestUtil() {
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const data = require('jest-util');
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_jestUtil = function () {
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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 _jestWorker() {
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const data = require('jest-worker');
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_jestWorker = function () {
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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 _HasteFS = _interopRequireDefault(require('./HasteFS'));
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var _ModuleMap = _interopRequireDefault(require('./ModuleMap'));
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var _constants = _interopRequireDefault(require('./constants'));
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var _node = require('./crawlers/node');
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var _watchman = require('./crawlers/watchman');
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var _getMockName = _interopRequireDefault(require('./getMockName'));
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var fastPath = _interopRequireWildcard(require('./lib/fast_path'));
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var _getPlatformExtension = _interopRequireDefault(
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require('./lib/getPlatformExtension')
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);
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var _isWatchmanInstalled = _interopRequireDefault(
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require('./lib/isWatchmanInstalled')
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);
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var _normalizePathSep = _interopRequireDefault(
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require('./lib/normalizePathSep')
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);
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var _FSEventsWatcher = require('./watchers/FSEventsWatcher');
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var _NodeWatcher = _interopRequireDefault(require('./watchers/NodeWatcher'));
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var _WatchmanWatcher = _interopRequireDefault(
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require('./watchers/WatchmanWatcher')
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);
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var _worker = require('./worker');
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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 _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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/**
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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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// @ts-expect-error: not converted to TypeScript - it's a fork: https://github.com/facebook/jest/pull/10919
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// @ts-expect-error: not converted to TypeScript - it's a fork: https://github.com/facebook/jest/pull/5387
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// TypeScript doesn't like us importing from outside `rootDir`, but it doesn't
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// understand `require`.
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const {version: VERSION} = require('../package.json');
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const ModuleMap = _ModuleMap.default;
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exports.ModuleMap = ModuleMap;
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const CHANGE_INTERVAL = 30;
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const MAX_WAIT_TIME = 240000;
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const NODE_MODULES = `${path().sep}node_modules${path().sep}`;
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const PACKAGE_JSON = `${path().sep}package.json`;
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const VCS_DIRECTORIES = ['.git', '.hg']
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.map(vcs =>
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(0, _jestRegexUtil().escapePathForRegex)(path().sep + vcs + path().sep)
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)
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.join('|');
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function invariant(condition, message) {
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if (!condition) {
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throw new Error(message);
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}
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}
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/**
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* HasteMap is a JavaScript implementation of Facebook's haste module system.
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*
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* This implementation is inspired by https://github.com/facebook/node-haste
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* and was built with for high-performance in large code repositories with
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* hundreds of thousands of files. This implementation is scalable and provides
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* predictable performance.
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*
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* Because the haste map creation and synchronization is critical to startup
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* performance and most tasks are blocked by I/O this class makes heavy use of
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* synchronous operations. It uses worker processes for parallelizing file
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* access and metadata extraction.
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*
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* The data structures created by `jest-haste-map` can be used directly from the
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* cache without further processing. The metadata objects in the `files` and
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* `map` objects contain cross-references: a metadata object from one can look
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* up the corresponding metadata object in the other map. Note that in most
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* projects, the number of files will be greater than the number of haste
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* modules one module can refer to many files based on platform extensions.
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*
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* type HasteMap = {
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* clocks: WatchmanClocks,
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* files: {[filepath: string]: FileMetaData},
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* map: {[id: string]: ModuleMapItem},
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* mocks: {[id: string]: string},
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* }
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*
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* // Watchman clocks are used for query synchronization and file system deltas.
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* type WatchmanClocks = {[filepath: string]: string};
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*
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* type FileMetaData = {
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* id: ?string, // used to look up module metadata objects in `map`.
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* mtime: number, // check for outdated files.
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* size: number, // size of the file in bytes.
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* visited: boolean, // whether the file has been parsed or not.
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* dependencies: Array<string>, // all relative dependencies of this file.
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* sha1: ?string, // SHA-1 of the file, if requested via options.
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* };
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*
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* // Modules can be targeted to a specific platform based on the file name.
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* // Example: platform.ios.js and Platform.android.js will both map to the same
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* // `Platform` module. The platform should be specified during resolution.
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* type ModuleMapItem = {[platform: string]: ModuleMetaData};
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*
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* //
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* type ModuleMetaData = {
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* path: string, // the path to look up the file object in `files`.
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* type: string, // the module type (either `package` or `module`).
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* };
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*
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* Note that the data structures described above are conceptual only. The actual
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* implementation uses arrays and constant keys for metadata storage. Instead of
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* `{id: 'flatMap', mtime: 3421, size: 42, visited: true, dependencies: []}` the real
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* representation is similar to `['flatMap', 3421, 42, 1, []]` to save storage space
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* and reduce parse and write time of a big JSON blob.
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*
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* The HasteMap is created as follows:
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* 1. read data from the cache or create an empty structure.
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*
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* 2. crawl the file system.
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* * empty cache: crawl the entire file system.
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* * cache available:
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* * if watchman is available: get file system delta changes.
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* * if watchman is unavailable: crawl the entire file system.
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* * build metadata objects for every file. This builds the `files` part of
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* the `HasteMap`.
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*
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* 3. parse and extract metadata from changed files.
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* * this is done in parallel over worker processes to improve performance.
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* * the worst case is to parse all files.
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* * the best case is no file system access and retrieving all data from
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* the cache.
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* * the average case is a small number of changed files.
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*
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* 4. serialize the new `HasteMap` in a cache file.
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* Worker processes can directly access the cache through `HasteMap.read()`.
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*
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*/
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class HasteMap extends _events().EventEmitter {
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_buildPromise = null;
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_cachePath = '';
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_changeInterval;
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_console;
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_isWatchmanInstalledPromise = null;
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_options;
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_watchers = [];
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_worker = null;
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static getStatic(config) {
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if (config.haste.hasteMapModulePath) {
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return require(config.haste.hasteMapModulePath);
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}
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return HasteMap;
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}
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static async create(options) {
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if (options.hasteMapModulePath) {
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const CustomHasteMap = require(options.hasteMapModulePath);
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return new CustomHasteMap(options);
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}
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const hasteMap = new HasteMap(options);
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await hasteMap.setupCachePath(options);
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return hasteMap;
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}
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constructor(options) {
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super();
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this._options = {
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cacheDirectory: options.cacheDirectory || (0, _os().tmpdir)(),
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computeDependencies: options.computeDependencies ?? true,
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computeSha1: options.computeSha1 || false,
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dependencyExtractor: options.dependencyExtractor || null,
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enableSymlinks: options.enableSymlinks || false,
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extensions: options.extensions,
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forceNodeFilesystemAPI: !!options.forceNodeFilesystemAPI,
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hasteImplModulePath: options.hasteImplModulePath,
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id: options.id,
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maxWorkers: options.maxWorkers,
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mocksPattern: options.mocksPattern
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? new RegExp(options.mocksPattern)
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: null,
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platforms: options.platforms,
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resetCache: options.resetCache,
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retainAllFiles: options.retainAllFiles,
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rootDir: options.rootDir,
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roots: Array.from(new Set(options.roots)),
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skipPackageJson: !!options.skipPackageJson,
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throwOnModuleCollision: !!options.throwOnModuleCollision,
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useWatchman: options.useWatchman ?? true,
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watch: !!options.watch
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};
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this._console = options.console || globalThis.console;
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if (options.ignorePattern) {
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if (options.ignorePattern instanceof RegExp) {
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this._options.ignorePattern = new RegExp(
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options.ignorePattern.source.concat(`|${VCS_DIRECTORIES}`),
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options.ignorePattern.flags
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);
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} else {
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throw new Error(
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'jest-haste-map: the `ignorePattern` option must be a RegExp'
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);
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}
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} else {
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this._options.ignorePattern = new RegExp(VCS_DIRECTORIES);
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}
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if (this._options.enableSymlinks && this._options.useWatchman) {
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throw new Error(
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'jest-haste-map: enableSymlinks config option was set, but ' +
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'is incompatible with watchman.\n' +
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'Set either `enableSymlinks` to false or `useWatchman` to false.'
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);
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}
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}
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async setupCachePath(options) {
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const rootDirHash = (0, _crypto().createHash)('sha1')
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.update(options.rootDir)
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.digest('hex')
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.substring(0, 32);
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let hasteImplHash = '';
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let dependencyExtractorHash = '';
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if (options.hasteImplModulePath) {
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const hasteImpl = require(options.hasteImplModulePath);
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if (hasteImpl.getCacheKey) {
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hasteImplHash = String(hasteImpl.getCacheKey());
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}
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}
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if (options.dependencyExtractor) {
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const dependencyExtractor = await (0, _jestUtil().requireOrImportModule)(
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options.dependencyExtractor,
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false
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);
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if (dependencyExtractor.getCacheKey) {
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dependencyExtractorHash = String(dependencyExtractor.getCacheKey());
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}
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}
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this._cachePath = HasteMap.getCacheFilePath(
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this._options.cacheDirectory,
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`haste-map-${this._options.id}-${rootDirHash}`,
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VERSION,
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this._options.id,
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this._options.roots
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.map(root => fastPath.relative(options.rootDir, root))
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.join(':'),
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this._options.extensions.join(':'),
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this._options.platforms.join(':'),
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this._options.computeSha1.toString(),
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options.mocksPattern || '',
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(options.ignorePattern || '').toString(),
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hasteImplHash,
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dependencyExtractorHash,
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this._options.computeDependencies.toString()
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);
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}
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static getCacheFilePath(tmpdir, id, ...extra) {
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const hash = (0, _crypto().createHash)('sha1').update(extra.join(''));
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return path().join(
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tmpdir,
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`${id.replace(/\W/g, '-')}-${hash.digest('hex').substring(0, 32)}`
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);
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}
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static getModuleMapFromJSON(json) {
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return _ModuleMap.default.fromJSON(json);
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|
}
|
||
|
|
getCacheFilePath() {
|
||
|
|
return this._cachePath;
|
||
|
|
}
|
||
|
|
build() {
|
||
|
|
if (!this._buildPromise) {
|
||
|
|
this._buildPromise = (async () => {
|
||
|
|
const data = await this._buildFileMap();
|
||
|
|
|
||
|
|
// Persist when we don't know if files changed (changedFiles undefined)
|
||
|
|
// or when we know a file was changed or deleted.
|
||
|
|
let hasteMap;
|
||
|
|
if (
|
||
|
|
data.changedFiles === undefined ||
|
||
|
|
data.changedFiles.size > 0 ||
|
||
|
|
data.removedFiles.size > 0
|
||
|
|
) {
|
||
|
|
hasteMap = await this._buildHasteMap(data);
|
||
|
|
this._persist(hasteMap);
|
||
|
|
} else {
|
||
|
|
hasteMap = data.hasteMap;
|
||
|
|
}
|
||
|
|
const rootDir = this._options.rootDir;
|
||
|
|
const hasteFS = new _HasteFS.default({
|
||
|
|
files: hasteMap.files,
|
||
|
|
rootDir
|
||
|
|
});
|
||
|
|
const moduleMap = new _ModuleMap.default({
|
||
|
|
duplicates: hasteMap.duplicates,
|
||
|
|
map: hasteMap.map,
|
||
|
|
mocks: hasteMap.mocks,
|
||
|
|
rootDir
|
||
|
|
});
|
||
|
|
const __hasteMapForTest =
|
||
|
|
(process.env.NODE_ENV === 'test' && hasteMap) || null;
|
||
|
|
await this._watch(hasteMap);
|
||
|
|
return {
|
||
|
|
__hasteMapForTest,
|
||
|
|
hasteFS,
|
||
|
|
moduleMap
|
||
|
|
};
|
||
|
|
})();
|
||
|
|
}
|
||
|
|
return this._buildPromise;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 1. read data from the cache or create an empty structure.
|
||
|
|
*/
|
||
|
|
read() {
|
||
|
|
let hasteMap;
|
||
|
|
try {
|
||
|
|
hasteMap = (0, _v().deserialize)(
|
||
|
|
(0, _gracefulFs().readFileSync)(this._cachePath)
|
||
|
|
);
|
||
|
|
} catch {
|
||
|
|
hasteMap = this._createEmptyMap();
|
||
|
|
}
|
||
|
|
return hasteMap;
|
||
|
|
}
|
||
|
|
readModuleMap() {
|
||
|
|
const data = this.read();
|
||
|
|
return new _ModuleMap.default({
|
||
|
|
duplicates: data.duplicates,
|
||
|
|
map: data.map,
|
||
|
|
mocks: data.mocks,
|
||
|
|
rootDir: this._options.rootDir
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 2. crawl the file system.
|
||
|
|
*/
|
||
|
|
async _buildFileMap() {
|
||
|
|
let hasteMap;
|
||
|
|
try {
|
||
|
|
const read = this._options.resetCache ? this._createEmptyMap : this.read;
|
||
|
|
hasteMap = read.call(this);
|
||
|
|
} catch {
|
||
|
|
hasteMap = this._createEmptyMap();
|
||
|
|
}
|
||
|
|
return this._crawl(hasteMap);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 3. parse and extract metadata from changed files.
|
||
|
|
*/
|
||
|
|
_processFile(hasteMap, map, mocks, filePath, workerOptions) {
|
||
|
|
const rootDir = this._options.rootDir;
|
||
|
|
const setModule = (id, module) => {
|
||
|
|
let moduleMap = map.get(id);
|
||
|
|
if (!moduleMap) {
|
||
|
|
moduleMap = Object.create(null);
|
||
|
|
map.set(id, moduleMap);
|
||
|
|
}
|
||
|
|
const platform =
|
||
|
|
(0, _getPlatformExtension.default)(
|
||
|
|
module[_constants.default.PATH],
|
||
|
|
this._options.platforms
|
||
|
|
) || _constants.default.GENERIC_PLATFORM;
|
||
|
|
const existingModule = moduleMap[platform];
|
||
|
|
if (
|
||
|
|
existingModule &&
|
||
|
|
existingModule[_constants.default.PATH] !==
|
||
|
|
module[_constants.default.PATH]
|
||
|
|
) {
|
||
|
|
const method = this._options.throwOnModuleCollision ? 'error' : 'warn';
|
||
|
|
this._console[method](
|
||
|
|
[
|
||
|
|
`jest-haste-map: Haste module naming collision: ${id}`,
|
||
|
|
' The following files share their name; please adjust your hasteImpl:',
|
||
|
|
` * <rootDir>${path().sep}${
|
||
|
|
existingModule[_constants.default.PATH]
|
||
|
|
}`,
|
||
|
|
` * <rootDir>${path().sep}${module[_constants.default.PATH]}`,
|
||
|
|
''
|
||
|
|
].join('\n')
|
||
|
|
);
|
||
|
|
if (this._options.throwOnModuleCollision) {
|
||
|
|
throw new DuplicateError(
|
||
|
|
existingModule[_constants.default.PATH],
|
||
|
|
module[_constants.default.PATH]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// We do NOT want consumers to use a module that is ambiguous.
|
||
|
|
delete moduleMap[platform];
|
||
|
|
if (Object.keys(moduleMap).length === 1) {
|
||
|
|
map.delete(id);
|
||
|
|
}
|
||
|
|
let dupsByPlatform = hasteMap.duplicates.get(id);
|
||
|
|
if (dupsByPlatform == null) {
|
||
|
|
dupsByPlatform = new Map();
|
||
|
|
hasteMap.duplicates.set(id, dupsByPlatform);
|
||
|
|
}
|
||
|
|
const dups = new Map([
|
||
|
|
[module[_constants.default.PATH], module[_constants.default.TYPE]],
|
||
|
|
[
|
||
|
|
existingModule[_constants.default.PATH],
|
||
|
|
existingModule[_constants.default.TYPE]
|
||
|
|
]
|
||
|
|
]);
|
||
|
|
dupsByPlatform.set(platform, dups);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const dupsByPlatform = hasteMap.duplicates.get(id);
|
||
|
|
if (dupsByPlatform != null) {
|
||
|
|
const dups = dupsByPlatform.get(platform);
|
||
|
|
if (dups != null) {
|
||
|
|
dups.set(
|
||
|
|
module[_constants.default.PATH],
|
||
|
|
module[_constants.default.TYPE]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
moduleMap[platform] = module;
|
||
|
|
};
|
||
|
|
const relativeFilePath = fastPath.relative(rootDir, filePath);
|
||
|
|
const fileMetadata = hasteMap.files.get(relativeFilePath);
|
||
|
|
if (!fileMetadata) {
|
||
|
|
throw new Error(
|
||
|
|
'jest-haste-map: File to process was not found in the haste map.'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
const moduleMetadata = hasteMap.map.get(
|
||
|
|
fileMetadata[_constants.default.ID]
|
||
|
|
);
|
||
|
|
const computeSha1 =
|
||
|
|
this._options.computeSha1 && !fileMetadata[_constants.default.SHA1];
|
||
|
|
|
||
|
|
// Callback called when the response from the worker is successful.
|
||
|
|
const workerReply = metadata => {
|
||
|
|
// `1` for truthy values instead of `true` to save cache space.
|
||
|
|
fileMetadata[_constants.default.VISITED] = 1;
|
||
|
|
const metadataId = metadata.id;
|
||
|
|
const metadataModule = metadata.module;
|
||
|
|
if (metadataId && metadataModule) {
|
||
|
|
fileMetadata[_constants.default.ID] = metadataId;
|
||
|
|
setModule(metadataId, metadataModule);
|
||
|
|
}
|
||
|
|
fileMetadata[_constants.default.DEPENDENCIES] = metadata.dependencies
|
||
|
|
? metadata.dependencies.join(_constants.default.DEPENDENCY_DELIM)
|
||
|
|
: '';
|
||
|
|
if (computeSha1) {
|
||
|
|
fileMetadata[_constants.default.SHA1] = metadata.sha1;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Callback called when the response from the worker is an error.
|
||
|
|
const workerError = error => {
|
||
|
|
if (typeof error !== 'object' || !error.message || !error.stack) {
|
||
|
|
error = new Error(error);
|
||
|
|
error.stack = ''; // Remove stack for stack-less errors.
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!['ENOENT', 'EACCES'].includes(error.code)) {
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
|
||
|
|
// If a file cannot be read we remove it from the file list and
|
||
|
|
// ignore the failure silently.
|
||
|
|
hasteMap.files.delete(relativeFilePath);
|
||
|
|
};
|
||
|
|
|
||
|
|
// If we retain all files in the virtual HasteFS representation, we avoid
|
||
|
|
// reading them if they aren't important (node_modules).
|
||
|
|
if (this._options.retainAllFiles && filePath.includes(NODE_MODULES)) {
|
||
|
|
if (computeSha1) {
|
||
|
|
return this._getWorker(workerOptions)
|
||
|
|
.getSha1({
|
||
|
|
computeDependencies: this._options.computeDependencies,
|
||
|
|
computeSha1,
|
||
|
|
dependencyExtractor: this._options.dependencyExtractor,
|
||
|
|
filePath,
|
||
|
|
hasteImplModulePath: this._options.hasteImplModulePath,
|
||
|
|
rootDir
|
||
|
|
})
|
||
|
|
.then(workerReply, workerError);
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
if (
|
||
|
|
this._options.mocksPattern &&
|
||
|
|
this._options.mocksPattern.test(filePath)
|
||
|
|
) {
|
||
|
|
const mockPath = (0, _getMockName.default)(filePath);
|
||
|
|
const existingMockPath = mocks.get(mockPath);
|
||
|
|
if (existingMockPath) {
|
||
|
|
const secondMockPath = fastPath.relative(rootDir, filePath);
|
||
|
|
if (existingMockPath !== secondMockPath) {
|
||
|
|
const method = this._options.throwOnModuleCollision
|
||
|
|
? 'error'
|
||
|
|
: 'warn';
|
||
|
|
this._console[method](
|
||
|
|
[
|
||
|
|
`jest-haste-map: duplicate manual mock found: ${mockPath}`,
|
||
|
|
' The following files share their name; please delete one of them:',
|
||
|
|
` * <rootDir>${path().sep}${existingMockPath}`,
|
||
|
|
` * <rootDir>${path().sep}${secondMockPath}`,
|
||
|
|
''
|
||
|
|
].join('\n')
|
||
|
|
);
|
||
|
|
if (this._options.throwOnModuleCollision) {
|
||
|
|
throw new DuplicateError(existingMockPath, secondMockPath);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mocks.set(mockPath, relativeFilePath);
|
||
|
|
}
|
||
|
|
if (fileMetadata[_constants.default.VISITED]) {
|
||
|
|
if (!fileMetadata[_constants.default.ID]) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
if (moduleMetadata != null) {
|
||
|
|
const platform =
|
||
|
|
(0, _getPlatformExtension.default)(
|
||
|
|
filePath,
|
||
|
|
this._options.platforms
|
||
|
|
) || _constants.default.GENERIC_PLATFORM;
|
||
|
|
const module = moduleMetadata[platform];
|
||
|
|
if (module == null) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
const moduleId = fileMetadata[_constants.default.ID];
|
||
|
|
let modulesByPlatform = map.get(moduleId);
|
||
|
|
if (!modulesByPlatform) {
|
||
|
|
modulesByPlatform = Object.create(null);
|
||
|
|
map.set(moduleId, modulesByPlatform);
|
||
|
|
}
|
||
|
|
modulesByPlatform[platform] = module;
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this._getWorker(workerOptions)
|
||
|
|
.worker({
|
||
|
|
computeDependencies: this._options.computeDependencies,
|
||
|
|
computeSha1,
|
||
|
|
dependencyExtractor: this._options.dependencyExtractor,
|
||
|
|
filePath,
|
||
|
|
hasteImplModulePath: this._options.hasteImplModulePath,
|
||
|
|
rootDir
|
||
|
|
})
|
||
|
|
.then(workerReply, workerError);
|
||
|
|
}
|
||
|
|
_buildHasteMap(data) {
|
||
|
|
const {removedFiles, changedFiles, hasteMap} = data;
|
||
|
|
|
||
|
|
// If any files were removed or we did not track what files changed, process
|
||
|
|
// every file looking for changes. Otherwise, process only changed files.
|
||
|
|
let map;
|
||
|
|
let mocks;
|
||
|
|
let filesToProcess;
|
||
|
|
if (changedFiles === undefined || removedFiles.size) {
|
||
|
|
map = new Map();
|
||
|
|
mocks = new Map();
|
||
|
|
filesToProcess = hasteMap.files;
|
||
|
|
} else {
|
||
|
|
map = hasteMap.map;
|
||
|
|
mocks = hasteMap.mocks;
|
||
|
|
filesToProcess = changedFiles;
|
||
|
|
}
|
||
|
|
for (const [relativeFilePath, fileMetadata] of removedFiles) {
|
||
|
|
this._recoverDuplicates(
|
||
|
|
hasteMap,
|
||
|
|
relativeFilePath,
|
||
|
|
fileMetadata[_constants.default.ID]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
const promises = [];
|
||
|
|
for (const relativeFilePath of filesToProcess.keys()) {
|
||
|
|
if (
|
||
|
|
this._options.skipPackageJson &&
|
||
|
|
relativeFilePath.endsWith(PACKAGE_JSON)
|
||
|
|
) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
// SHA-1, if requested, should already be present thanks to the crawler.
|
||
|
|
const filePath = fastPath.resolve(
|
||
|
|
this._options.rootDir,
|
||
|
|
relativeFilePath
|
||
|
|
);
|
||
|
|
const promise = this._processFile(hasteMap, map, mocks, filePath);
|
||
|
|
if (promise) {
|
||
|
|
promises.push(promise);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return Promise.all(promises).then(
|
||
|
|
() => {
|
||
|
|
this._cleanup();
|
||
|
|
hasteMap.map = map;
|
||
|
|
hasteMap.mocks = mocks;
|
||
|
|
return hasteMap;
|
||
|
|
},
|
||
|
|
error => {
|
||
|
|
this._cleanup();
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
_cleanup() {
|
||
|
|
const worker = this._worker;
|
||
|
|
if (worker && 'end' in worker) {
|
||
|
|
worker.end();
|
||
|
|
}
|
||
|
|
this._worker = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 4. serialize the new `HasteMap` in a cache file.
|
||
|
|
*/
|
||
|
|
_persist(hasteMap) {
|
||
|
|
(0, _gracefulFs().writeFileSync)(
|
||
|
|
this._cachePath,
|
||
|
|
(0, _v().serialize)(hasteMap)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates workers or parses files and extracts metadata in-process.
|
||
|
|
*/
|
||
|
|
_getWorker(
|
||
|
|
options = {
|
||
|
|
forceInBand: false
|
||
|
|
}
|
||
|
|
) {
|
||
|
|
if (!this._worker) {
|
||
|
|
if (options.forceInBand || this._options.maxWorkers <= 1) {
|
||
|
|
this._worker = {
|
||
|
|
getSha1: _worker.getSha1,
|
||
|
|
worker: _worker.worker
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
this._worker = new (_jestWorker().Worker)(require.resolve('./worker'), {
|
||
|
|
exposedMethods: ['getSha1', 'worker'],
|
||
|
|
forkOptions: {
|
||
|
|
serialization: 'json'
|
||
|
|
},
|
||
|
|
maxRetries: 3,
|
||
|
|
numWorkers: this._options.maxWorkers
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this._worker;
|
||
|
|
}
|
||
|
|
async _crawl(hasteMap) {
|
||
|
|
const options = this._options;
|
||
|
|
const ignore = this._ignore.bind(this);
|
||
|
|
const crawl = (await this._shouldUseWatchman())
|
||
|
|
? _watchman.watchmanCrawl
|
||
|
|
: _node.nodeCrawl;
|
||
|
|
const crawlerOptions = {
|
||
|
|
computeSha1: options.computeSha1,
|
||
|
|
data: hasteMap,
|
||
|
|
enableSymlinks: options.enableSymlinks,
|
||
|
|
extensions: options.extensions,
|
||
|
|
forceNodeFilesystemAPI: options.forceNodeFilesystemAPI,
|
||
|
|
ignore,
|
||
|
|
rootDir: options.rootDir,
|
||
|
|
roots: options.roots
|
||
|
|
};
|
||
|
|
const retry = error => {
|
||
|
|
if (crawl === _watchman.watchmanCrawl) {
|
||
|
|
this._console.warn(
|
||
|
|
'jest-haste-map: Watchman crawl failed. Retrying once with node ' +
|
||
|
|
'crawler.\n' +
|
||
|
|
" Usually this happens when watchman isn't running. Create an " +
|
||
|
|
"empty `.watchmanconfig` file in your project's root folder or " +
|
||
|
|
'initialize a git or hg repository in your project.\n' +
|
||
|
|
` ${error}`
|
||
|
|
);
|
||
|
|
return (0, _node.nodeCrawl)(crawlerOptions).catch(e => {
|
||
|
|
throw new Error(
|
||
|
|
'Crawler retry failed:\n' +
|
||
|
|
` Original error: ${error.message}\n` +
|
||
|
|
` Retry error: ${e.message}\n`
|
||
|
|
);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
throw error;
|
||
|
|
};
|
||
|
|
try {
|
||
|
|
return await crawl(crawlerOptions);
|
||
|
|
} catch (error) {
|
||
|
|
return retry(error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Watch mode
|
||
|
|
*/
|
||
|
|
async _watch(hasteMap) {
|
||
|
|
if (!this._options.watch) {
|
||
|
|
return Promise.resolve();
|
||
|
|
}
|
||
|
|
|
||
|
|
// In watch mode, we'll only warn about module collisions and we'll retain
|
||
|
|
// all files, even changes to node_modules.
|
||
|
|
this._options.throwOnModuleCollision = false;
|
||
|
|
this._options.retainAllFiles = true;
|
||
|
|
|
||
|
|
// WatchmanWatcher > FSEventsWatcher > sane.NodeWatcher
|
||
|
|
const Watcher = (await this._shouldUseWatchman())
|
||
|
|
? _WatchmanWatcher.default
|
||
|
|
: _FSEventsWatcher.FSEventsWatcher.isSupported()
|
||
|
|
? _FSEventsWatcher.FSEventsWatcher
|
||
|
|
: _NodeWatcher.default;
|
||
|
|
const extensions = this._options.extensions;
|
||
|
|
const ignorePattern = this._options.ignorePattern;
|
||
|
|
const rootDir = this._options.rootDir;
|
||
|
|
let changeQueue = Promise.resolve();
|
||
|
|
let eventsQueue = [];
|
||
|
|
// We only need to copy the entire haste map once on every "frame".
|
||
|
|
let mustCopy = true;
|
||
|
|
const createWatcher = root => {
|
||
|
|
const watcher = new Watcher(root, {
|
||
|
|
dot: true,
|
||
|
|
glob: extensions.map(extension => `**/*.${extension}`),
|
||
|
|
ignored: ignorePattern
|
||
|
|
});
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
const rejectTimeout = setTimeout(
|
||
|
|
() => reject(new Error('Failed to start watch mode.')),
|
||
|
|
MAX_WAIT_TIME
|
||
|
|
);
|
||
|
|
watcher.once('ready', () => {
|
||
|
|
clearTimeout(rejectTimeout);
|
||
|
|
watcher.on('all', onChange);
|
||
|
|
resolve(watcher);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
const emitChange = () => {
|
||
|
|
if (eventsQueue.length) {
|
||
|
|
mustCopy = true;
|
||
|
|
const changeEvent = {
|
||
|
|
eventsQueue,
|
||
|
|
hasteFS: new _HasteFS.default({
|
||
|
|
files: hasteMap.files,
|
||
|
|
rootDir
|
||
|
|
}),
|
||
|
|
moduleMap: new _ModuleMap.default({
|
||
|
|
duplicates: hasteMap.duplicates,
|
||
|
|
map: hasteMap.map,
|
||
|
|
mocks: hasteMap.mocks,
|
||
|
|
rootDir
|
||
|
|
})
|
||
|
|
};
|
||
|
|
this.emit('change', changeEvent);
|
||
|
|
eventsQueue = [];
|
||
|
|
}
|
||
|
|
};
|
||
|
|
const onChange = (type, filePath, root, stat) => {
|
||
|
|
filePath = path().join(root, (0, _normalizePathSep.default)(filePath));
|
||
|
|
if (
|
||
|
|
(stat && stat.isDirectory()) ||
|
||
|
|
this._ignore(filePath) ||
|
||
|
|
!extensions.some(extension => filePath.endsWith(extension))
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const relativeFilePath = fastPath.relative(rootDir, filePath);
|
||
|
|
const fileMetadata = hasteMap.files.get(relativeFilePath);
|
||
|
|
|
||
|
|
// The file has been accessed, not modified
|
||
|
|
if (
|
||
|
|
type === 'change' &&
|
||
|
|
fileMetadata &&
|
||
|
|
stat &&
|
||
|
|
fileMetadata[_constants.default.MTIME] === stat.mtime.getTime()
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
changeQueue = changeQueue
|
||
|
|
.then(() => {
|
||
|
|
// If we get duplicate events for the same file, ignore them.
|
||
|
|
if (
|
||
|
|
eventsQueue.find(
|
||
|
|
event =>
|
||
|
|
event.type === type &&
|
||
|
|
event.filePath === filePath &&
|
||
|
|
((!event.stat && !stat) ||
|
||
|
|
(!!event.stat &&
|
||
|
|
!!stat &&
|
||
|
|
event.stat.mtime.getTime() === stat.mtime.getTime()))
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
if (mustCopy) {
|
||
|
|
mustCopy = false;
|
||
|
|
hasteMap = {
|
||
|
|
clocks: new Map(hasteMap.clocks),
|
||
|
|
duplicates: new Map(hasteMap.duplicates),
|
||
|
|
files: new Map(hasteMap.files),
|
||
|
|
map: new Map(hasteMap.map),
|
||
|
|
mocks: new Map(hasteMap.mocks)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
const add = () => {
|
||
|
|
eventsQueue.push({
|
||
|
|
filePath,
|
||
|
|
stat,
|
||
|
|
type
|
||
|
|
});
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
const fileMetadata = hasteMap.files.get(relativeFilePath);
|
||
|
|
|
||
|
|
// If it's not an addition, delete the file and all its metadata
|
||
|
|
if (fileMetadata != null) {
|
||
|
|
const moduleName = fileMetadata[_constants.default.ID];
|
||
|
|
const platform =
|
||
|
|
(0, _getPlatformExtension.default)(
|
||
|
|
filePath,
|
||
|
|
this._options.platforms
|
||
|
|
) || _constants.default.GENERIC_PLATFORM;
|
||
|
|
hasteMap.files.delete(relativeFilePath);
|
||
|
|
let moduleMap = hasteMap.map.get(moduleName);
|
||
|
|
if (moduleMap != null) {
|
||
|
|
// We are forced to copy the object because jest-haste-map exposes
|
||
|
|
// the map as an immutable entity.
|
||
|
|
moduleMap = copy(moduleMap);
|
||
|
|
delete moduleMap[platform];
|
||
|
|
if (Object.keys(moduleMap).length === 0) {
|
||
|
|
hasteMap.map.delete(moduleName);
|
||
|
|
} else {
|
||
|
|
hasteMap.map.set(moduleName, moduleMap);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (
|
||
|
|
this._options.mocksPattern &&
|
||
|
|
this._options.mocksPattern.test(filePath)
|
||
|
|
) {
|
||
|
|
const mockName = (0, _getMockName.default)(filePath);
|
||
|
|
hasteMap.mocks.delete(mockName);
|
||
|
|
}
|
||
|
|
this._recoverDuplicates(hasteMap, relativeFilePath, moduleName);
|
||
|
|
}
|
||
|
|
|
||
|
|
// If the file was added or changed,
|
||
|
|
// parse it and update the haste map.
|
||
|
|
if (type === 'add' || type === 'change') {
|
||
|
|
invariant(
|
||
|
|
stat,
|
||
|
|
'since the file exists or changed, it should have stats'
|
||
|
|
);
|
||
|
|
const fileMetadata = [
|
||
|
|
'',
|
||
|
|
stat.mtime.getTime(),
|
||
|
|
stat.size,
|
||
|
|
0,
|
||
|
|
'',
|
||
|
|
null
|
||
|
|
];
|
||
|
|
hasteMap.files.set(relativeFilePath, fileMetadata);
|
||
|
|
const promise = this._processFile(
|
||
|
|
hasteMap,
|
||
|
|
hasteMap.map,
|
||
|
|
hasteMap.mocks,
|
||
|
|
filePath,
|
||
|
|
{
|
||
|
|
forceInBand: true
|
||
|
|
}
|
||
|
|
);
|
||
|
|
// Cleanup
|
||
|
|
this._cleanup();
|
||
|
|
if (promise) {
|
||
|
|
return promise.then(add);
|
||
|
|
} else {
|
||
|
|
// If a file in node_modules has changed,
|
||
|
|
// emit an event regardless.
|
||
|
|
add();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
add();
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
})
|
||
|
|
.catch(error => {
|
||
|
|
this._console.error(
|
||
|
|
`jest-haste-map: watch error:\n ${error.stack}\n`
|
||
|
|
);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
this._changeInterval = setInterval(emitChange, CHANGE_INTERVAL);
|
||
|
|
return Promise.all(this._options.roots.map(createWatcher)).then(
|
||
|
|
watchers => {
|
||
|
|
this._watchers = watchers;
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This function should be called when the file under `filePath` is removed
|
||
|
|
* or changed. When that happens, we want to figure out if that file was
|
||
|
|
* part of a group of files that had the same ID. If it was, we want to
|
||
|
|
* remove it from the group. Furthermore, if there is only one file
|
||
|
|
* remaining in the group, then we want to restore that single file as the
|
||
|
|
* correct resolution for its ID, and cleanup the duplicates index.
|
||
|
|
*/
|
||
|
|
_recoverDuplicates(hasteMap, relativeFilePath, moduleName) {
|
||
|
|
let dupsByPlatform = hasteMap.duplicates.get(moduleName);
|
||
|
|
if (dupsByPlatform == null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const platform =
|
||
|
|
(0, _getPlatformExtension.default)(
|
||
|
|
relativeFilePath,
|
||
|
|
this._options.platforms
|
||
|
|
) || _constants.default.GENERIC_PLATFORM;
|
||
|
|
let dups = dupsByPlatform.get(platform);
|
||
|
|
if (dups == null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
dupsByPlatform = copyMap(dupsByPlatform);
|
||
|
|
hasteMap.duplicates.set(moduleName, dupsByPlatform);
|
||
|
|
dups = copyMap(dups);
|
||
|
|
dupsByPlatform.set(platform, dups);
|
||
|
|
dups.delete(relativeFilePath);
|
||
|
|
if (dups.size !== 1) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const uniqueModule = dups.entries().next().value;
|
||
|
|
if (!uniqueModule) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
let dedupMap = hasteMap.map.get(moduleName);
|
||
|
|
if (!dedupMap) {
|
||
|
|
dedupMap = Object.create(null);
|
||
|
|
hasteMap.map.set(moduleName, dedupMap);
|
||
|
|
}
|
||
|
|
dedupMap[platform] = uniqueModule;
|
||
|
|
dupsByPlatform.delete(platform);
|
||
|
|
if (dupsByPlatform.size === 0) {
|
||
|
|
hasteMap.duplicates.delete(moduleName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
async end() {
|
||
|
|
if (this._changeInterval) {
|
||
|
|
clearInterval(this._changeInterval);
|
||
|
|
}
|
||
|
|
if (!this._watchers.length) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
await Promise.all(this._watchers.map(watcher => watcher.close()));
|
||
|
|
this._watchers = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helpers
|
||
|
|
*/
|
||
|
|
_ignore(filePath) {
|
||
|
|
const ignorePattern = this._options.ignorePattern;
|
||
|
|
const ignoreMatched =
|
||
|
|
ignorePattern instanceof RegExp
|
||
|
|
? ignorePattern.test(filePath)
|
||
|
|
: ignorePattern && ignorePattern(filePath);
|
||
|
|
return (
|
||
|
|
ignoreMatched ||
|
||
|
|
(!this._options.retainAllFiles && filePath.includes(NODE_MODULES))
|
||
|
|
);
|
||
|
|
}
|
||
|
|
async _shouldUseWatchman() {
|
||
|
|
if (!this._options.useWatchman) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!this._isWatchmanInstalledPromise) {
|
||
|
|
this._isWatchmanInstalledPromise = (0, _isWatchmanInstalled.default)();
|
||
|
|
}
|
||
|
|
return this._isWatchmanInstalledPromise;
|
||
|
|
}
|
||
|
|
_createEmptyMap() {
|
||
|
|
return {
|
||
|
|
clocks: new Map(),
|
||
|
|
duplicates: new Map(),
|
||
|
|
files: new Map(),
|
||
|
|
map: new Map(),
|
||
|
|
mocks: new Map()
|
||
|
|
};
|
||
|
|
}
|
||
|
|
static H = _constants.default;
|
||
|
|
}
|
||
|
|
class DuplicateError extends Error {
|
||
|
|
mockPath1;
|
||
|
|
mockPath2;
|
||
|
|
constructor(mockPath1, mockPath2) {
|
||
|
|
super('Duplicated files or mocks. Please check the console for more info');
|
||
|
|
this.mockPath1 = mockPath1;
|
||
|
|
this.mockPath2 = mockPath2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.DuplicateError = DuplicateError;
|
||
|
|
function copy(object) {
|
||
|
|
return Object.assign(Object.create(null), object);
|
||
|
|
}
|
||
|
|
function copyMap(input) {
|
||
|
|
return new Map(input);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Export the smallest API surface required by Jest
|
||
|
|
|
||
|
|
const JestHasteMap = HasteMap;
|
||
|
|
var _default = JestHasteMap;
|
||
|
|
exports.default = _default;
|