source: imaps-frontend/node_modules/webpack/lib/util/fs.js@ 79a0317

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Last change on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago

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[79a0317]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 * @template T
15 * @typedef {object} IStatsBase
16 * @property {() => boolean} isFile
17 * @property {() => boolean} isDirectory
18 * @property {() => boolean} isBlockDevice
19 * @property {() => boolean} isCharacterDevice
20 * @property {() => boolean} isSymbolicLink
21 * @property {() => boolean} isFIFO
22 * @property {() => boolean} isSocket
23 * @property {T} dev
24 * @property {T} ino
25 * @property {T} mode
26 * @property {T} nlink
27 * @property {T} uid
28 * @property {T} gid
29 * @property {T} rdev
30 * @property {T} size
31 * @property {T} blksize
32 * @property {T} blocks
33 * @property {T} atimeMs
34 * @property {T} mtimeMs
35 * @property {T} ctimeMs
36 * @property {T} birthtimeMs
37 * @property {Date} atime
38 * @property {Date} mtime
39 * @property {Date} ctime
40 * @property {Date} birthtime
41 */
42
43/**
44 * @typedef {IStatsBase<number>} IStats
45 */
46
47/**
48 * @typedef {IStatsBase<bigint> & { atimeNs: bigint, mtimeNs: bigint, ctimeNs: bigint, birthtimeNs: bigint }} IBigIntStats
49 */
50
51/**
52 * @typedef {object} Dirent
53 * @property {() => boolean} isFile
54 * @property {() => boolean} isDirectory
55 * @property {() => boolean} isBlockDevice
56 * @property {() => boolean} isCharacterDevice
57 * @property {() => boolean} isSymbolicLink
58 * @property {() => boolean} isFIFO
59 * @property {() => boolean} isSocket
60 * @property {string} name
61 * @property {string} path
62 */
63
64/** @typedef {string | number | boolean | null} JsonPrimitive */
65/** @typedef {JsonValue[]} JsonArray */
66/** @typedef {JsonPrimitive | JsonObject | JsonArray} JsonValue */
67/** @typedef {{[Key in string]: JsonValue} & {[Key in string]?: JsonValue | undefined}} JsonObject */
68
69/** @typedef {function(NodeJS.ErrnoException | null): void} NoParamCallback */
70/** @typedef {function(NodeJS.ErrnoException | null, string=): void} StringCallback */
71/** @typedef {function(NodeJS.ErrnoException | null, Buffer=): void} BufferCallback */
72/** @typedef {function(NodeJS.ErrnoException | null, (string | Buffer)=): void} StringOrBufferCallback */
73/** @typedef {function(NodeJS.ErrnoException | null, (string[])=): void} ReaddirStringCallback */
74/** @typedef {function(NodeJS.ErrnoException | null, (Buffer[])=): void} ReaddirBufferCallback */
75/** @typedef {function(NodeJS.ErrnoException | null, (string[] | Buffer[])=): void} ReaddirStringOrBufferCallback */
76/** @typedef {function(NodeJS.ErrnoException | null, (Dirent[])=): void} ReaddirDirentCallback */
77/** @typedef {function(NodeJS.ErrnoException | null, IStats=): void} StatsCallback */
78/** @typedef {function(NodeJS.ErrnoException | null, IBigIntStats=): void} BigIntStatsCallback */
79/** @typedef {function(NodeJS.ErrnoException | null, (IStats | IBigIntStats)=): void} StatsOrBigIntStatsCallback */
80/** @typedef {function(NodeJS.ErrnoException | null, number=): void} NumberCallback */
81/** @typedef {function(NodeJS.ErrnoException | Error | null, JsonObject=): void} ReadJsonCallback */
82
83/** @typedef {Map<string, FileSystemInfoEntry | "ignore">} TimeInfoEntries */
84
85/**
86 * @typedef {object} WatcherInfo
87 * @property {Set<string> | null} changes get current aggregated changes that have not yet send to callback
88 * @property {Set<string> | null} removals get current aggregated removals that have not yet send to callback
89 * @property {TimeInfoEntries} fileTimeInfoEntries get info about files
90 * @property {TimeInfoEntries} contextTimeInfoEntries get info about directories
91 */
92
93/** @typedef {Set<string>} Changes */
94/** @typedef {Set<string>} Removals */
95
96// TODO webpack 6 deprecate missing getInfo
97/**
98 * @typedef {object} Watcher
99 * @property {function(): void} close closes the watcher and all underlying file watchers
100 * @property {function(): void} pause closes the watcher, but keeps underlying file watchers alive until the next watch call
101 * @property {(function(): Changes | null)=} getAggregatedChanges get current aggregated changes that have not yet send to callback
102 * @property {(function(): Removals | null)=} getAggregatedRemovals get current aggregated removals that have not yet send to callback
103 * @property {function(): TimeInfoEntries} getFileTimeInfoEntries get info about files
104 * @property {function(): TimeInfoEntries} getContextTimeInfoEntries get info about directories
105 * @property {function(): WatcherInfo=} getInfo get info about timestamps and changes
106 */
107
108/**
109 * @callback WatchMethod
110 * @param {Iterable<string>} files watched files
111 * @param {Iterable<string>} directories watched directories
112 * @param {Iterable<string>} missing watched existence entries
113 * @param {number} startTime timestamp of start time
114 * @param {WatchOptions} options options object
115 * @param {function(Error | null, TimeInfoEntries=, TimeInfoEntries=, Changes=, Removals=): void} callback aggregated callback
116 * @param {function(string, number): void} callbackUndelayed callback when the first change was detected
117 * @returns {Watcher} a watcher
118 */
119
120// TODO webpack 6 make optional methods required and avoid using non standard methods like `join`, `relative`, `dirname`, move IntermediateFileSystemExtras methods to InputFilesystem or OutputFilesystem
121
122/**
123 * @typedef {string | Buffer | URL} PathLike
124 */
125
126/**
127 * @typedef {PathLike | number} PathOrFileDescriptor
128 */
129
130/**
131 * @typedef {object} ObjectEncodingOptions
132 * @property {BufferEncoding | null | undefined} [encoding]
133 */
134
135/**
136 * @typedef {{
137 * (path: PathOrFileDescriptor, options: ({ encoding?: null | undefined, flag?: string | undefined } & import("events").Abortable) | undefined | null, callback: BufferCallback): void;
138 * (path: PathOrFileDescriptor, options: ({ encoding: BufferEncoding, flag?: string | undefined } & import("events").Abortable) | BufferEncoding, callback: StringCallback): void;
139 * (path: PathOrFileDescriptor, options: (ObjectEncodingOptions & { flag?: string | undefined } & import("events").Abortable) | BufferEncoding | undefined | null, callback: StringOrBufferCallback): void;
140 * (path: PathOrFileDescriptor, callback: BufferCallback): void;
141 * }} ReadFile
142 */
143
144/**
145 * @typedef {{
146 * (path: PathOrFileDescriptor, options?: { encoding?: null | undefined, flag?: string | undefined } | null): Buffer;
147 * (path: PathOrFileDescriptor, options: { encoding: BufferEncoding, flag?: string | undefined } | BufferEncoding): string;
148 * (path: PathOrFileDescriptor, options?: (ObjectEncodingOptions & { flag?: string | undefined }) | BufferEncoding | null): string | Buffer;
149 * }} ReadFileSync
150 */
151
152/**
153 * @typedef {ObjectEncodingOptions | BufferEncoding | undefined | null} EncodingOption
154 */
155
156/**
157 * @typedef {'buffer'| { encoding: 'buffer' }} BufferEncodingOption
158 */
159
160/**
161 * @typedef {object} StatOptions
162 * @property {(boolean | undefined)=} bigint
163 */
164
165/**
166 * @typedef {object} StatSyncOptions
167 * @property {(boolean | undefined)=} bigint
168 * @property {(boolean | undefined)=} throwIfNoEntry
169 */
170
171/**
172 * @typedef {{
173 * (path: PathLike, options: EncodingOption, callback: StringCallback): void;
174 * (path: PathLike, options: BufferEncodingOption, callback: BufferCallback): void;
175 * (path: PathLike, options: EncodingOption, callback: StringOrBufferCallback): void;
176 * (path: PathLike, callback: StringCallback): void;
177 * }} Readlink
178 */
179
180/**
181 * @typedef {{
182 * (path: PathLike, options?: EncodingOption): string;
183 * (path: PathLike, options: BufferEncodingOption): Buffer;
184 * (path: PathLike, options?: EncodingOption): string | Buffer;
185 * }} ReadlinkSync
186 */
187
188/**
189 * @typedef {{
190 * (path: PathLike, options: { encoding: BufferEncoding | null, withFileTypes?: false | undefined, recursive?: boolean | undefined } | BufferEncoding | undefined | null, callback: ReaddirStringCallback): void;
191 * (path: PathLike, options: { encoding: 'buffer', withFileTypes?: false | undefined, recursive?: boolean | undefined } | 'buffer', callback: ReaddirBufferCallback): void;
192 * (path: PathLike, callback: ReaddirStringCallback): void;
193 * (path: PathLike, options: (ObjectEncodingOptions & { withFileTypes?: false | undefined, recursive?: boolean | undefined }) | BufferEncoding | undefined | null, callback: ReaddirStringOrBufferCallback): void;
194 * (path: PathLike, options: ObjectEncodingOptions & { withFileTypes: true, recursive?: boolean | undefined }, callback: ReaddirDirentCallback): void;
195 * }} Readdir
196 */
197
198/**
199 * @typedef {{
200 * (path: PathLike, options?: { encoding: BufferEncoding | null, withFileTypes?: false | undefined, recursive?: boolean | undefined } | BufferEncoding | null): string[];
201 * (path: PathLike, options: { encoding: 'buffer', withFileTypes?: false | undefined, recursive?: boolean | undefined } | 'buffer'): Buffer[];
202 * (path: PathLike, options?: (ObjectEncodingOptions & { withFileTypes?: false | undefined, recursive?: boolean | undefined }) | BufferEncoding | null): string[] | Buffer[];
203 * (path: PathLike, options: ObjectEncodingOptions & { withFileTypes: true, recursive?: boolean | undefined }): Dirent[];
204 * }} ReaddirSync
205 */
206
207/**
208 * @typedef {{
209 * (path: PathLike, callback: StatsCallback): void;
210 * (path: PathLike, options: (StatOptions & { bigint?: false | undefined }) | undefined, callback: StatsCallback): void;
211 * (path: PathLike, options: StatOptions & { bigint: true }, callback: BigIntStatsCallback): void;
212 * (path: PathLike, options: StatOptions | undefined, callback: StatsOrBigIntStatsCallback): void;
213 * }} Stat
214 */
215
216/**
217 * @typedef {{
218 * (path: PathLike, options?: undefined): IStats;
219 * (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined, throwIfNoEntry: false }): IStats | undefined;
220 * (path: PathLike, options: StatSyncOptions & { bigint: true, throwIfNoEntry: false }): IBigIntStats | undefined;
221 * (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined }): IStats;
222 * (path: PathLike, options: StatSyncOptions & { bigint: true }): IBigIntStats;
223 * (path: PathLike, options: StatSyncOptions & { bigint: boolean, throwIfNoEntry?: false | undefined }): IStats | IBigIntStats;
224 * (path: PathLike, options?: StatSyncOptions): IStats | IBigIntStats | undefined;
225 * }} StatSync
226 */
227
228/**
229 * @typedef {{
230 * (path: PathLike, callback: StatsCallback): void;
231 * (path: PathLike, options: (StatOptions & { bigint?: false | undefined }) | undefined, callback: StatsCallback): void;
232 * (path: PathLike, options: StatOptions & { bigint: true }, callback: BigIntStatsCallback): void;
233 * (path: PathLike, options: StatOptions | undefined, callback: StatsOrBigIntStatsCallback): void;
234 * }} LStat
235 */
236
237/**
238 * @typedef {{
239 * (path: PathLike, options?: undefined): IStats;
240 * (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined, throwIfNoEntry: false }): IStats | undefined;
241 * (path: PathLike, options: StatSyncOptions & { bigint: true, throwIfNoEntry: false }): IBigIntStats | undefined;
242 * (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined }): IStats;
243 * (path: PathLike, options: StatSyncOptions & { bigint: true }): IBigIntStats;
244 * (path: PathLike, options: StatSyncOptions & { bigint: boolean, throwIfNoEntry?: false | undefined }): IStats | IBigIntStats;
245 * (path: PathLike, options?: StatSyncOptions): IStats | IBigIntStats | undefined;
246 * }} LStatSync
247 */
248
249/**
250 * @typedef {{
251 * (path: PathLike, options: EncodingOption, callback: StringCallback): void;
252 * (path: PathLike, options: BufferEncodingOption, callback: BufferCallback): void;
253 * (path: PathLike, options: EncodingOption, callback: StringOrBufferCallback): void;
254 * (path: PathLike, callback: StringCallback): void;
255 * }} RealPath
256 */
257
258/**
259 * @typedef {{
260 * (path: PathLike, options?: EncodingOption): string;
261 * (path: PathLike, options: BufferEncodingOption): Buffer;
262 * (path: PathLike, options?: EncodingOption): string | Buffer;
263 * }} RealPathSync
264 */
265
266/**
267 * @typedef {function(PathOrFileDescriptor, ReadJsonCallback): void} ReadJson
268 */
269
270/**
271 * @typedef {function(PathOrFileDescriptor): JsonObject} ReadJsonSync
272 */
273
274/**
275 * @typedef {function((string | string[] | Set<string>)=): void} Purge
276 */
277
278/**
279 * @typedef {object} InputFileSystem
280 * @property {ReadFile} readFile
281 * @property {ReadFileSync=} readFileSync
282 * @property {Readlink} readlink
283 * @property {ReadlinkSync=} readlinkSync
284 * @property {Readdir} readdir
285 * @property {ReaddirSync=} readdirSync
286 * @property {Stat} stat
287 * @property {StatSync=} statSync
288 * @property {LStat=} lstat
289 * @property {LStatSync=} lstatSync
290 * @property {RealPath=} realpath
291 * @property {RealPathSync=} realpathSync
292 * @property {ReadJson=} readJson
293 * @property {ReadJsonSync=} readJsonSync
294 * @property {Purge=} purge
295 * @property {(function(string, string): string)=} join
296 * @property {(function(string, string): string)=} relative
297 * @property {(function(string): string)=} dirname
298 */
299
300/**
301 * @typedef {number | string} Mode
302 */
303
304/**
305 * @typedef {(ObjectEncodingOptions & import("events").Abortable & { mode?: Mode | undefined, flag?: string | undefined, flush?: boolean | undefined }) | BufferEncoding | null} WriteFileOptions
306 */
307
308/**
309 * @typedef {{
310 * (file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options: WriteFileOptions, callback: NoParamCallback): void;
311 * (file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, callback: NoParamCallback): void;
312 * }} WriteFile
313 */
314
315/**
316 * @typedef {{ recursive?: boolean | undefined, mode?: Mode | undefined }} MakeDirectoryOptions
317 */
318
319/**
320 * @typedef {{
321 * (file: PathLike, options: MakeDirectoryOptions & { recursive: true }, callback: StringCallback): void;
322 * (file: PathLike, options: Mode | (MakeDirectoryOptions & { recursive?: false | undefined; }) | null | undefined, callback: NoParamCallback): void;
323 * (file: PathLike, options: Mode | MakeDirectoryOptions | null | undefined, callback: StringCallback): void;
324 * (file: PathLike, callback: NoParamCallback): void;
325 * }} Mkdir
326 */
327
328/**
329 * @typedef {{ maxRetries?: number | undefined, recursive?: boolean | undefined, retryDelay?: number | undefined }} RmDirOptions
330 */
331
332/**
333 * @typedef {{
334 * (file: PathLike, callback: NoParamCallback): void;
335 * (file: PathLike, options: RmDirOptions, callback: NoParamCallback): void;
336 * }} Rmdir
337 */
338
339/**
340 * @typedef {function(PathLike, NoParamCallback): void} Unlink
341 */
342
343/**
344 * @typedef {object} OutputFileSystem
345 * @property {WriteFile} writeFile
346 * @property {Mkdir} mkdir
347 * @property {Readdir=} readdir
348 * @property {Rmdir=} rmdir
349 * @property {Unlink=} unlink
350 * @property {Stat} stat
351 * @property {LStat=} lstat
352 * @property {ReadFile} readFile
353 * @property {(function(string, string): string)=} join
354 * @property {(function(string, string): string)=} relative
355 * @property {(function(string): string)=} dirname
356 */
357
358/**
359 * @typedef {object} WatchFileSystem
360 * @property {WatchMethod} watch
361 */
362
363/**
364 * @typedef {{
365 * (path: PathLike, options: MakeDirectoryOptions & { recursive: true }): string | undefined;
366 * (path: PathLike, options?: Mode | (MakeDirectoryOptions & { recursive?: false | undefined }) | null): void;
367 * (path: PathLike, options?: Mode | MakeDirectoryOptions | null): string | undefined;
368 * }} MkdirSync
369 */
370
371/**
372 * @typedef {object} StreamOptions
373 * @property {(string | undefined)=} flags
374 * @property {(BufferEncoding | undefined)} encoding
375 * @property {(number | EXPECTED_ANY | undefined)=} fd
376 * @property {(number | undefined)=} mode
377 * @property {(boolean | undefined)=} autoClose
378 * @property {(boolean | undefined)=} emitClose
379 * @property {(number | undefined)=} start
380 * @property {(AbortSignal | null | undefined)=} signal
381 */
382
383/**
384 * @typedef {object} FSImplementation
385 * @property {((...args: EXPECTED_ANY[]) => EXPECTED_ANY)=} open
386 * @property {((...args: EXPECTED_ANY[]) => EXPECTED_ANY)=} close
387 */
388
389/**
390 * @typedef {FSImplementation & { write: (...args: EXPECTED_ANY[]) => EXPECTED_ANY; close?: (...args: EXPECTED_ANY[]) => EXPECTED_ANY }} CreateWriteStreamFSImplementation
391 */
392
393/**
394 * @typedef {StreamOptions & { fs?: CreateWriteStreamFSImplementation | null | undefined }} WriteStreamOptions
395 */
396
397/**
398 * @typedef {function(PathLike, (BufferEncoding | WriteStreamOptions)=): NodeJS.WritableStream} CreateWriteStream
399 */
400
401/**
402 * @typedef {number | string} OpenMode
403 */
404
405/**
406 * @typedef {{
407 * (file: PathLike, flags: OpenMode | undefined, mode: Mode | undefined | null, callback: NumberCallback): void;
408 * (file: PathLike, flags: OpenMode | undefined, callback: NumberCallback): void;
409 * (file: PathLike, callback: NumberCallback): void;
410 * }} Open
411 */
412
413/**
414 * @typedef {number | bigint} ReadPosition
415 */
416
417/**
418 * @typedef {object} ReadSyncOptions
419 * @property {(number | undefined)=} offset
420 * @property {(number | undefined)=} length
421 * @property {(ReadPosition | null | undefined)=} position
422 */
423
424/**
425 * @template {NodeJS.ArrayBufferView} TBuffer
426 * @typedef {object} ReadAsyncOptions
427 * @property {(number | undefined)=} offset
428 * @property {(number | undefined)=} length
429 * @property {(ReadPosition | null | undefined)=} position
430 * @property {TBuffer=} buffer
431 */
432
433/**
434 * @template {NodeJS.ArrayBufferView} [TBuffer=Buffer]
435 * @typedef {{
436 * (fd: number, buffer: TBuffer, offset: number, length: number, position: ReadPosition | null, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void): void;
437 * (fd: number, options: ReadAsyncOptions<TBuffer>, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void): void;
438 * (fd: number, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: NodeJS.ArrayBufferView) => void): void;
439 * }} Read
440 */
441
442/** @typedef {function(number, NoParamCallback): void} Close */
443
444/** @typedef {function(PathLike, PathLike, NoParamCallback): void} Rename */
445
446/**
447 * @typedef {object} IntermediateFileSystemExtras
448 * @property {MkdirSync} mkdirSync
449 * @property {CreateWriteStream} createWriteStream
450 * @property {Open} open
451 * @property {Read} read
452 * @property {Close} close
453 * @property {Rename} rename
454 */
455
456/** @typedef {InputFileSystem & OutputFileSystem & IntermediateFileSystemExtras} IntermediateFileSystem */
457
458/**
459 * @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
460 * @param {string} rootPath the root path
461 * @param {string} targetPath the target path
462 * @returns {string} location of targetPath relative to rootPath
463 */
464const relative = (fs, rootPath, targetPath) => {
465 if (fs && fs.relative) {
466 return fs.relative(rootPath, targetPath);
467 } else if (path.posix.isAbsolute(rootPath)) {
468 return path.posix.relative(rootPath, targetPath);
469 } else if (path.win32.isAbsolute(rootPath)) {
470 return path.win32.relative(rootPath, targetPath);
471 }
472 throw new Error(
473 `${rootPath} is neither a posix nor a windows path, and there is no 'relative' method defined in the file system`
474 );
475};
476module.exports.relative = relative;
477
478/**
479 * @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
480 * @param {string} rootPath a path
481 * @param {string} filename a filename
482 * @returns {string} the joined path
483 */
484const join = (fs, rootPath, filename) => {
485 if (fs && fs.join) {
486 return fs.join(rootPath, filename);
487 } else if (path.posix.isAbsolute(rootPath)) {
488 return path.posix.join(rootPath, filename);
489 } else if (path.win32.isAbsolute(rootPath)) {
490 return path.win32.join(rootPath, filename);
491 }
492 throw new Error(
493 `${rootPath} is neither a posix nor a windows path, and there is no 'join' method defined in the file system`
494 );
495};
496module.exports.join = join;
497
498/**
499 * @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
500 * @param {string} absPath an absolute path
501 * @returns {string} the parent directory of the absolute path
502 */
503const dirname = (fs, absPath) => {
504 if (fs && fs.dirname) {
505 return fs.dirname(absPath);
506 } else if (path.posix.isAbsolute(absPath)) {
507 return path.posix.dirname(absPath);
508 } else if (path.win32.isAbsolute(absPath)) {
509 return path.win32.dirname(absPath);
510 }
511 throw new Error(
512 `${absPath} is neither a posix nor a windows path, and there is no 'dirname' method defined in the file system`
513 );
514};
515module.exports.dirname = dirname;
516
517/**
518 * @param {OutputFileSystem} fs a file system
519 * @param {string} p an absolute path
520 * @param {function(Error=): void} callback callback function for the error
521 * @returns {void}
522 */
523const mkdirp = (fs, p, callback) => {
524 fs.mkdir(p, err => {
525 if (err) {
526 if (err.code === "ENOENT") {
527 const dir = dirname(fs, p);
528 if (dir === p) {
529 callback(err);
530 return;
531 }
532 mkdirp(fs, dir, err => {
533 if (err) {
534 callback(err);
535 return;
536 }
537 fs.mkdir(p, err => {
538 if (err) {
539 if (err.code === "EEXIST") {
540 callback();
541 return;
542 }
543 callback(err);
544 return;
545 }
546 callback();
547 });
548 });
549 return;
550 } else if (err.code === "EEXIST") {
551 callback();
552 return;
553 }
554 callback(err);
555 return;
556 }
557 callback();
558 });
559};
560module.exports.mkdirp = mkdirp;
561
562/**
563 * @param {IntermediateFileSystem} fs a file system
564 * @param {string} p an absolute path
565 * @returns {void}
566 */
567const mkdirpSync = (fs, p) => {
568 try {
569 fs.mkdirSync(p);
570 } catch (err) {
571 if (err) {
572 if (/** @type {NodeJS.ErrnoException} */ (err).code === "ENOENT") {
573 const dir = dirname(fs, p);
574 if (dir === p) {
575 throw err;
576 }
577 mkdirpSync(fs, dir);
578 fs.mkdirSync(p);
579 return;
580 } else if (/** @type {NodeJS.ErrnoException} */ (err).code === "EEXIST") {
581 return;
582 }
583 throw err;
584 }
585 }
586};
587module.exports.mkdirpSync = mkdirpSync;
588
589/**
590 * @param {InputFileSystem} fs a file system
591 * @param {string} p an absolute path
592 * @param {ReadJsonCallback} callback callback
593 * @returns {void}
594 */
595const readJson = (fs, p, callback) => {
596 if ("readJson" in fs)
597 return /** @type {NonNullable<InputFileSystem["readJson"]>} */ (
598 fs.readJson
599 )(p, callback);
600 fs.readFile(p, (err, buf) => {
601 if (err) return callback(err);
602 let data;
603 try {
604 data = JSON.parse(/** @type {Buffer} */ (buf).toString("utf-8"));
605 } catch (err1) {
606 return callback(/** @type {Error} */ (err1));
607 }
608 return callback(null, data);
609 });
610};
611module.exports.readJson = readJson;
612
613/**
614 * @param {InputFileSystem} fs a file system
615 * @param {string} p an absolute path
616 * @param {function(NodeJS.ErrnoException | Error | null, (IStats | string)=): void} callback callback
617 * @returns {void}
618 */
619const lstatReadlinkAbsolute = (fs, p, callback) => {
620 let i = 3;
621 const doReadLink = () => {
622 fs.readlink(p, (err, target) => {
623 if (err && --i > 0) {
624 // It might was just changed from symlink to file
625 // we retry 2 times to catch this case before throwing the error
626 return doStat();
627 }
628 if (err) return callback(err);
629 const value = /** @type {string} */ (target).toString();
630 callback(null, join(fs, dirname(fs, p), value));
631 });
632 };
633 const doStat = () => {
634 if ("lstat" in fs) {
635 return /** @type {NonNullable<InputFileSystem["lstat"]>} */ (fs.lstat)(
636 p,
637 (err, stats) => {
638 if (err) return callback(err);
639 if (/** @type {IStats} */ (stats).isSymbolicLink()) {
640 return doReadLink();
641 }
642 callback(null, stats);
643 }
644 );
645 }
646 return fs.stat(p, callback);
647 };
648 if ("lstat" in fs) return doStat();
649 doReadLink();
650};
651module.exports.lstatReadlinkAbsolute = lstatReadlinkAbsolute;
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