[6a3a178] | 1 | "use strict";
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| 2 | /**
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| 3 | * @license
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| 4 | * Copyright Google LLC All Rights Reserved.
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| 5 | *
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| 6 | * Use of this source code is governed by an MIT-style license that can be
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| 7 | * found in the LICENSE file at https://angular.io/license
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| 8 | */
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| 9 | var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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| 10 | if (k2 === undefined) k2 = k;
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| 11 | Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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| 12 | }) : (function(o, m, k, k2) {
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| 13 | if (k2 === undefined) k2 = k;
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| 14 | o[k2] = m[k];
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| 15 | }));
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| 16 | var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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| 17 | Object.defineProperty(o, "default", { enumerable: true, value: v });
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| 18 | }) : function(o, v) {
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| 19 | o["default"] = v;
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| 20 | });
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| 21 | var __importStar = (this && this.__importStar) || function (mod) {
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| 22 | if (mod && mod.__esModule) return mod;
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| 23 | var result = {};
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| 24 | if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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| 25 | __setModuleDefault(result, mod);
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| 26 | return result;
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| 27 | };
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| 28 | Object.defineProperty(exports, "__esModule", { value: true });
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| 29 | exports.createWebpackSystem = void 0;
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| 30 | const ts = __importStar(require("typescript"));
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| 31 | const paths_1 = require("./paths");
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| 32 | function shouldNotWrite() {
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| 33 | throw new Error('Webpack TypeScript System should not write.');
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| 34 | }
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| 35 | function createWebpackSystem(input, currentDirectory) {
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| 36 | // Webpack's CachedInputFileSystem uses the default directory separator in the paths it uses
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| 37 | // for keys to its cache. If the keys do not match then the file watcher will not purge outdated
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| 38 | // files and cause stale data to be used in the next rebuild. TypeScript always uses a `/` (POSIX)
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| 39 | // directory separator internally which is also supported with Windows system APIs. However,
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| 40 | // if file operations are performed with the non-default directory separator, the Webpack cache
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| 41 | // will contain a key that will not be purged. `externalizePath` ensures the paths are as expected.
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| 42 | const system = {
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| 43 | ...ts.sys,
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| 44 | readFile(path) {
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| 45 | let data;
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| 46 | try {
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| 47 | data = input.readFileSync(paths_1.externalizePath(path));
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| 48 | }
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| 49 | catch {
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| 50 | return undefined;
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| 51 | }
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| 52 | // Strip BOM if present
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| 53 | let start = 0;
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| 54 | if (data.length > 3 && data[0] === 0xef && data[1] === 0xbb && data[2] === 0xbf) {
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| 55 | start = 3;
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| 56 | }
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| 57 | return data.toString('utf8', start);
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| 58 | },
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| 59 | getFileSize(path) {
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| 60 | try {
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| 61 | return input.statSync(paths_1.externalizePath(path)).size;
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| 62 | }
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| 63 | catch {
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| 64 | return 0;
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| 65 | }
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| 66 | },
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| 67 | fileExists(path) {
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| 68 | try {
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| 69 | return input.statSync(paths_1.externalizePath(path)).isFile();
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| 70 | }
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| 71 | catch {
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| 72 | return false;
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| 73 | }
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| 74 | },
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| 75 | directoryExists(path) {
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| 76 | try {
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| 77 | return input.statSync(paths_1.externalizePath(path)).isDirectory();
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| 78 | }
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| 79 | catch {
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| 80 | return false;
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| 81 | }
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| 82 | },
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| 83 | getModifiedTime(path) {
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| 84 | try {
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| 85 | return input.statSync(paths_1.externalizePath(path)).mtime;
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| 86 | }
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| 87 | catch {
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| 88 | return undefined;
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| 89 | }
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| 90 | },
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| 91 | getCurrentDirectory() {
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| 92 | return currentDirectory;
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| 93 | },
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| 94 | writeFile: shouldNotWrite,
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| 95 | createDirectory: shouldNotWrite,
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| 96 | deleteFile: shouldNotWrite,
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| 97 | setModifiedTime: shouldNotWrite,
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| 98 | };
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| 99 | return system;
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| 100 | }
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| 101 | exports.createWebpackSystem = createWebpackSystem;
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