source: trip-planner-front/node_modules/webpack/lib/util/fs.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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[6a3a178]1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Tobias Koppers @sokra
4*/
5
6"use strict";
7
8const path = require("path");
9
10/** @typedef {import("../../declarations/WebpackOptions").WatchOptions} WatchOptions */
11/** @typedef {import("../FileSystemInfo").FileSystemInfoEntry} FileSystemInfoEntry */
12
13/**
14 * @typedef {Object} IStats
15 * @property {() => boolean} isFile
16 * @property {() => boolean} isDirectory
17 * @property {() => boolean} isBlockDevice
18 * @property {() => boolean} isCharacterDevice
19 * @property {() => boolean} isSymbolicLink
20 * @property {() => boolean} isFIFO
21 * @property {() => boolean} isSocket
22 * @property {number | bigint} dev
23 * @property {number | bigint} ino
24 * @property {number | bigint} mode
25 * @property {number | bigint} nlink
26 * @property {number | bigint} uid
27 * @property {number | bigint} gid
28 * @property {number | bigint} rdev
29 * @property {number | bigint} size
30 * @property {number | bigint} blksize
31 * @property {number | bigint} blocks
32 * @property {number | bigint} atimeMs
33 * @property {number | bigint} mtimeMs
34 * @property {number | bigint} ctimeMs
35 * @property {number | bigint} birthtimeMs
36 * @property {Date} atime
37 * @property {Date} mtime
38 * @property {Date} ctime
39 * @property {Date} birthtime
40 */
41
42/**
43 * @typedef {Object} IDirent
44 * @property {() => boolean} isFile
45 * @property {() => boolean} isDirectory
46 * @property {() => boolean} isBlockDevice
47 * @property {() => boolean} isCharacterDevice
48 * @property {() => boolean} isSymbolicLink
49 * @property {() => boolean} isFIFO
50 * @property {() => boolean} isSocket
51 * @property {string | Buffer} name
52 */
53
54/** @typedef {function((NodeJS.ErrnoException | null)=): void} Callback */
55/** @typedef {function((NodeJS.ErrnoException | null)=, Buffer=): void} BufferCallback */
56/** @typedef {function((NodeJS.ErrnoException | null)=, Buffer|string=): void} BufferOrStringCallback */
57/** @typedef {function((NodeJS.ErrnoException | null)=, (string | Buffer)[] | IDirent[]=): void} DirentArrayCallback */
58/** @typedef {function((NodeJS.ErrnoException | null)=, string=): void} StringCallback */
59/** @typedef {function((NodeJS.ErrnoException | null)=, number=): void} NumberCallback */
60/** @typedef {function((NodeJS.ErrnoException | null)=, IStats=): void} StatsCallback */
61/** @typedef {function((NodeJS.ErrnoException | Error | null)=, any=): void} ReadJsonCallback */
62
63/**
64 * @typedef {Object} Watcher
65 * @property {function(): void} close closes the watcher and all underlying file watchers
66 * @property {function(): void} pause closes the watcher, but keeps underlying file watchers alive until the next watch call
67 * @property {function(): Set<string>=} getAggregatedChanges get current aggregated changes that have not yet send to callback
68 * @property {function(): Set<string>=} getAggregatedRemovals get current aggregated removals that have not yet send to callback
69 * @property {function(): Map<string, FileSystemInfoEntry | "ignore">} getFileTimeInfoEntries get info about files
70 * @property {function(): Map<string, FileSystemInfoEntry | "ignore">} getContextTimeInfoEntries get info about directories
71 */
72
73/**
74 * @callback WatchMethod
75 * @param {Iterable<string>} files watched files
76 * @param {Iterable<string>} directories watched directories
77 * @param {Iterable<string>} missing watched exitance entries
78 * @param {number} startTime timestamp of start time
79 * @param {WatchOptions} options options object
80 * @param {function(Error=, Map<string, FileSystemInfoEntry | "ignore">, Map<string, FileSystemInfoEntry | "ignore">, Set<string>, Set<string>): void} callback aggregated callback
81 * @param {function(string, number): void} callbackUndelayed callback when the first change was detected
82 * @returns {Watcher} a watcher
83 */
84
85/**
86 * @typedef {Object} OutputFileSystem
87 * @property {function(string, Buffer|string, Callback): void} writeFile
88 * @property {function(string, Callback): void} mkdir
89 * @property {function(string, DirentArrayCallback): void=} readdir
90 * @property {function(string, Callback): void=} rmdir
91 * @property {function(string, Callback): void=} unlink
92 * @property {function(string, StatsCallback): void} stat
93 * @property {function(string, BufferOrStringCallback): void} readFile
94 * @property {(function(string, string): string)=} join
95 * @property {(function(string, string): string)=} relative
96 * @property {(function(string): string)=} dirname
97 */
98
99/**
100 * @typedef {Object} InputFileSystem
101 * @property {function(string, BufferOrStringCallback): void} readFile
102 * @property {(function(string, ReadJsonCallback): void)=} readJson
103 * @property {function(string, BufferOrStringCallback): void} readlink
104 * @property {function(string, DirentArrayCallback): void} readdir
105 * @property {function(string, StatsCallback): void} stat
106 * @property {(function(string, BufferOrStringCallback): void)=} realpath
107 * @property {(function(string=): void)=} purge
108 * @property {(function(string, string): string)=} join
109 * @property {(function(string, string): string)=} relative
110 * @property {(function(string): string)=} dirname
111 */
112
113/**
114 * @typedef {Object} WatchFileSystem
115 * @property {WatchMethod} watch
116 */
117
118/**
119 * @typedef {Object} IntermediateFileSystemExtras
120 * @property {function(string): void} mkdirSync
121 * @property {function(string): NodeJS.WritableStream} createWriteStream
122 * @property {function(string, string, NumberCallback): void} open
123 * @property {function(number, Buffer, number, number, number, NumberCallback): void} read
124 * @property {function(number, Callback): void} close
125 * @property {function(string, string, Callback): void} rename
126 */
127
128/** @typedef {InputFileSystem & OutputFileSystem & IntermediateFileSystemExtras} IntermediateFileSystem */
129
130/**
131 *
132 * @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
133 * @param {string} rootPath the root path
134 * @param {string} targetPath the target path
135 * @returns {string} location of targetPath relative to rootPath
136 */
137const relative = (fs, rootPath, targetPath) => {
138 if (fs && fs.relative) {
139 return fs.relative(rootPath, targetPath);
140 } else if (path.posix.isAbsolute(rootPath)) {
141 return path.posix.relative(rootPath, targetPath);
142 } else if (path.win32.isAbsolute(rootPath)) {
143 return path.win32.relative(rootPath, targetPath);
144 } else {
145 throw new Error(
146 `${rootPath} is neither a posix nor a windows path, and there is no 'relative' method defined in the file system`
147 );
148 }
149};
150exports.relative = relative;
151
152/**
153 * @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
154 * @param {string} rootPath a path
155 * @param {string} filename a filename
156 * @returns {string} the joined path
157 */
158const join = (fs, rootPath, filename) => {
159 if (fs && fs.join) {
160 return fs.join(rootPath, filename);
161 } else if (path.posix.isAbsolute(rootPath)) {
162 return path.posix.join(rootPath, filename);
163 } else if (path.win32.isAbsolute(rootPath)) {
164 return path.win32.join(rootPath, filename);
165 } else {
166 throw new Error(
167 `${rootPath} is neither a posix nor a windows path, and there is no 'join' method defined in the file system`
168 );
169 }
170};
171exports.join = join;
172
173/**
174 * @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
175 * @param {string} absPath an absolute path
176 * @returns {string} the parent directory of the absolute path
177 */
178const dirname = (fs, absPath) => {
179 if (fs && fs.dirname) {
180 return fs.dirname(absPath);
181 } else if (path.posix.isAbsolute(absPath)) {
182 return path.posix.dirname(absPath);
183 } else if (path.win32.isAbsolute(absPath)) {
184 return path.win32.dirname(absPath);
185 } else {
186 throw new Error(
187 `${absPath} is neither a posix nor a windows path, and there is no 'dirname' method defined in the file system`
188 );
189 }
190};
191exports.dirname = dirname;
192
193/**
194 * @param {OutputFileSystem} fs a file system
195 * @param {string} p an absolute path
196 * @param {function(Error=): void} callback callback function for the error
197 * @returns {void}
198 */
199const mkdirp = (fs, p, callback) => {
200 fs.mkdir(p, err => {
201 if (err) {
202 if (err.code === "ENOENT") {
203 const dir = dirname(fs, p);
204 if (dir === p) {
205 callback(err);
206 return;
207 }
208 mkdirp(fs, dir, err => {
209 if (err) {
210 callback(err);
211 return;
212 }
213 fs.mkdir(p, err => {
214 if (err) {
215 if (err.code === "EEXIST") {
216 callback();
217 return;
218 }
219 callback(err);
220 return;
221 }
222 callback();
223 });
224 });
225 return;
226 } else if (err.code === "EEXIST") {
227 callback();
228 return;
229 }
230 callback(err);
231 return;
232 }
233 callback();
234 });
235};
236exports.mkdirp = mkdirp;
237
238/**
239 * @param {IntermediateFileSystem} fs a file system
240 * @param {string} p an absolute path
241 * @returns {void}
242 */
243const mkdirpSync = (fs, p) => {
244 try {
245 fs.mkdirSync(p);
246 } catch (err) {
247 if (err) {
248 if (err.code === "ENOENT") {
249 const dir = dirname(fs, p);
250 if (dir === p) {
251 throw err;
252 }
253 mkdirpSync(fs, dir);
254 fs.mkdirSync(p);
255 return;
256 } else if (err.code === "EEXIST") {
257 return;
258 }
259 throw err;
260 }
261 }
262};
263exports.mkdirpSync = mkdirpSync;
264
265/**
266 * @param {InputFileSystem} fs a file system
267 * @param {string} p an absolute path
268 * @param {ReadJsonCallback} callback callback
269 * @returns {void}
270 */
271const readJson = (fs, p, callback) => {
272 if ("readJson" in fs) return fs.readJson(p, callback);
273 fs.readFile(p, (err, buf) => {
274 if (err) return callback(err);
275 let data;
276 try {
277 data = JSON.parse(buf.toString("utf-8"));
278 } catch (e) {
279 return callback(e);
280 }
281 return callback(null, data);
282 });
283};
284exports.readJson = readJson;
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