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Diffstat (limited to 'client/node_modules/@types/node/ts4.8/fs.d.ts')
| -rwxr-xr-x | client/node_modules/@types/node/ts4.8/fs.d.ts | 3872 |
1 files changed, 0 insertions, 3872 deletions
diff --git a/client/node_modules/@types/node/ts4.8/fs.d.ts b/client/node_modules/@types/node/ts4.8/fs.d.ts deleted file mode 100755 index 75c53fb..0000000 --- a/client/node_modules/@types/node/ts4.8/fs.d.ts +++ /dev/null @@ -1,3872 +0,0 @@ -/** - * The `fs` module enables interacting with the file system in a - * way modeled on standard POSIX functions. - * - * To use the promise-based APIs: - * - * ```js - * import * as fs from 'fs/promises'; - * ``` - * - * To use the callback and sync APIs: - * - * ```js - * import * as fs from 'fs'; - * ``` - * - * All file system operations have synchronous, callback, and promise-based - * forms, and are accessible using both CommonJS syntax and ES6 Modules (ESM). - * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/fs.js) - */ -declare module 'fs' { - import * as stream from 'node:stream'; - import { Abortable, EventEmitter } from 'node:events'; - import { URL } from 'node:url'; - import * as promises from 'node:fs/promises'; - export { promises }; - /** - * Valid types for path values in "fs". - */ - export type PathLike = string | Buffer | URL; - export type PathOrFileDescriptor = PathLike | number; - export type TimeLike = string | number | Date; - export type NoParamCallback = (err: NodeJS.ErrnoException | null) => void; - export type BufferEncodingOption = - | 'buffer' - | { - encoding: 'buffer'; - }; - export interface ObjectEncodingOptions { - encoding?: BufferEncoding | null | undefined; - } - export type EncodingOption = ObjectEncodingOptions | BufferEncoding | undefined | null; - export type OpenMode = number | string; - export type Mode = number | string; - export interface StatsBase<T> { - isFile(): boolean; - isDirectory(): boolean; - isBlockDevice(): boolean; - isCharacterDevice(): boolean; - isSymbolicLink(): boolean; - isFIFO(): boolean; - isSocket(): boolean; - dev: T; - ino: T; - mode: T; - nlink: T; - uid: T; - gid: T; - rdev: T; - size: T; - blksize: T; - blocks: T; - atimeMs: T; - mtimeMs: T; - ctimeMs: T; - birthtimeMs: T; - atime: Date; - mtime: Date; - ctime: Date; - birthtime: Date; - } - export interface Stats extends StatsBase<number> {} - /** - * A `fs.Stats` object provides information about a file. - * - * Objects returned from {@link stat}, {@link lstat} and {@link fstat} and - * their synchronous counterparts are of this type. - * If `bigint` in the `options` passed to those methods is true, the numeric values - * will be `bigint` instead of `number`, and the object will contain additional - * nanosecond-precision properties suffixed with `Ns`. - * - * ```console - * Stats { - * dev: 2114, - * ino: 48064969, - * mode: 33188, - * nlink: 1, - * uid: 85, - * gid: 100, - * rdev: 0, - * size: 527, - * blksize: 4096, - * blocks: 8, - * atimeMs: 1318289051000.1, - * mtimeMs: 1318289051000.1, - * ctimeMs: 1318289051000.1, - * birthtimeMs: 1318289051000.1, - * atime: Mon, 10 Oct 2011 23:24:11 GMT, - * mtime: Mon, 10 Oct 2011 23:24:11 GMT, - * ctime: Mon, 10 Oct 2011 23:24:11 GMT, - * birthtime: Mon, 10 Oct 2011 23:24:11 GMT } - * ``` - * - * `bigint` version: - * - * ```console - * BigIntStats { - * dev: 2114n, - * ino: 48064969n, - * mode: 33188n, - * nlink: 1n, - * uid: 85n, - * gid: 100n, - * rdev: 0n, - * size: 527n, - * blksize: 4096n, - * blocks: 8n, - * atimeMs: 1318289051000n, - * mtimeMs: 1318289051000n, - * ctimeMs: 1318289051000n, - * birthtimeMs: 1318289051000n, - * atimeNs: 1318289051000000000n, - * mtimeNs: 1318289051000000000n, - * ctimeNs: 1318289051000000000n, - * birthtimeNs: 1318289051000000000n, - * atime: Mon, 10 Oct 2011 23:24:11 GMT, - * mtime: Mon, 10 Oct 2011 23:24:11 GMT, - * ctime: Mon, 10 Oct 2011 23:24:11 GMT, - * birthtime: Mon, 10 Oct 2011 23:24:11 GMT } - * ``` - * @since v0.1.21 - */ - export class Stats {} - /** - * A representation of a directory entry, which can be a file or a subdirectory - * within the directory, as returned by reading from an `fs.Dir`. The - * directory entry is a combination of the file name and file type pairs. - * - * Additionally, when {@link readdir} or {@link readdirSync} is called with - * the `withFileTypes` option set to `true`, the resulting array is filled with `fs.Dirent` objects, rather than strings or `Buffer` s. - * @since v10.10.0 - */ - export class Dirent { - /** - * Returns `true` if the `fs.Dirent` object describes a regular file. - * @since v10.10.0 - */ - isFile(): boolean; - /** - * Returns `true` if the `fs.Dirent` object describes a file system - * directory. - * @since v10.10.0 - */ - isDirectory(): boolean; - /** - * Returns `true` if the `fs.Dirent` object describes a block device. - * @since v10.10.0 - */ - isBlockDevice(): boolean; - /** - * Returns `true` if the `fs.Dirent` object describes a character device. - * @since v10.10.0 - */ - isCharacterDevice(): boolean; - /** - * Returns `true` if the `fs.Dirent` object describes a symbolic link. - * @since v10.10.0 - */ - isSymbolicLink(): boolean; - /** - * Returns `true` if the `fs.Dirent` object describes a first-in-first-out - * (FIFO) pipe. - * @since v10.10.0 - */ - isFIFO(): boolean; - /** - * Returns `true` if the `fs.Dirent` object describes a socket. - * @since v10.10.0 - */ - isSocket(): boolean; - /** - * The file name that this `fs.Dirent` object refers to. The type of this - * value is determined by the `options.encoding` passed to {@link readdir} or {@link readdirSync}. - * @since v10.10.0 - */ - name: string; - } - /** - * A class representing a directory stream. - * - * Created by {@link opendir}, {@link opendirSync}, or `fsPromises.opendir()`. - * - * ```js - * import { opendir } from 'fs/promises'; - * - * try { - * const dir = await opendir('./'); - * for await (const dirent of dir) - * console.log(dirent.name); - * } catch (err) { - * console.error(err); - * } - * ``` - * - * When using the async iterator, the `fs.Dir` object will be automatically - * closed after the iterator exits. - * @since v12.12.0 - */ - export class Dir implements AsyncIterable<Dirent> { - /** - * The read-only path of this directory as was provided to {@link opendir},{@link opendirSync}, or `fsPromises.opendir()`. - * @since v12.12.0 - */ - readonly path: string; - /** - * Asynchronously iterates over the directory via `readdir(3)` until all entries have been read. - */ - [Symbol.asyncIterator](): AsyncIterableIterator<Dirent>; - /** - * Asynchronously close the directory's underlying resource handle. - * Subsequent reads will result in errors. - * - * A promise is returned that will be resolved after the resource has been - * closed. - * @since v12.12.0 - */ - close(): Promise<void>; - close(cb: NoParamCallback): void; - /** - * Synchronously close the directory's underlying resource handle. - * Subsequent reads will result in errors. - * @since v12.12.0 - */ - closeSync(): void; - /** - * Asynchronously read the next directory entry via [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) as an `fs.Dirent`. - * - * A promise is returned that will be resolved with an `fs.Dirent`, or `null`if there are no more directory entries to read. - * - * Directory entries returned by this function are in no particular order as - * provided by the operating system's underlying directory mechanisms. - * Entries added or removed while iterating over the directory might not be - * included in the iteration results. - * @since v12.12.0 - * @return containing {fs.Dirent|null} - */ - read(): Promise<Dirent | null>; - read(cb: (err: NodeJS.ErrnoException | null, dirEnt: Dirent | null) => void): void; - /** - * Synchronously read the next directory entry as an `fs.Dirent`. See the - * POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more detail. - * - * If there are no more directory entries to read, `null` will be returned. - * - * Directory entries returned by this function are in no particular order as - * provided by the operating system's underlying directory mechanisms. - * Entries added or removed while iterating over the directory might not be - * included in the iteration results. - * @since v12.12.0 - */ - readSync(): Dirent | null; - } - /** - * Class: fs.StatWatcher - * @since v14.3.0, v12.20.0 - * Extends `EventEmitter` - * A successful call to {@link watchFile} method will return a new fs.StatWatcher object. - */ - export interface StatWatcher extends EventEmitter { - /** - * When called, requests that the Node.js event loop _not_ exit so long as the `fs.StatWatcher` is active. Calling `watcher.ref()` multiple times will have - * no effect. - * - * By default, all `fs.StatWatcher` objects are "ref'ed", making it normally - * unnecessary to call `watcher.ref()` unless `watcher.unref()` had been - * called previously. - * @since v14.3.0, v12.20.0 - */ - ref(): this; - /** - * When called, the active `fs.StatWatcher` object will not require the Node.js - * event loop to remain active. If there is no other activity keeping the - * event loop running, the process may exit before the `fs.StatWatcher` object's - * callback is invoked. Calling `watcher.unref()` multiple times will have - * no effect. - * @since v14.3.0, v12.20.0 - */ - unref(): this; - } - export interface FSWatcher extends EventEmitter { - /** - * Stop watching for changes on the given `fs.FSWatcher`. Once stopped, the `fs.FSWatcher` object is no longer usable. - * @since v0.5.8 - */ - close(): void; - /** - * events.EventEmitter - * 1. change - * 2. error - */ - addListener(event: string, listener: (...args: any[]) => void): this; - addListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this; - addListener(event: 'error', listener: (error: Error) => void): this; - addListener(event: 'close', listener: () => void): this; - on(event: string, listener: (...args: any[]) => void): this; - on(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this; - on(event: 'error', listener: (error: Error) => void): this; - on(event: 'close', listener: () => void): this; - once(event: string, listener: (...args: any[]) => void): this; - once(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this; - once(event: 'error', listener: (error: Error) => void): this; - once(event: 'close', listener: () => void): this; - prependListener(event: string, listener: (...args: any[]) => void): this; - prependListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this; - prependListener(event: 'error', listener: (error: Error) => void): this; - prependListener(event: 'close', listener: () => void): this; - prependOnceListener(event: string, listener: (...args: any[]) => void): this; - prependOnceListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this; - prependOnceListener(event: 'error', listener: (error: Error) => void): this; - prependOnceListener(event: 'close', listener: () => void): this; - } - /** - * Instances of `fs.ReadStream` are created and returned using the {@link createReadStream} function. - * @since v0.1.93 - */ - export class ReadStream extends stream.Readable { - close(callback?: (err?: NodeJS.ErrnoException | null) => void): void; - /** - * The number of bytes that have been read so far. - * @since v6.4.0 - */ - bytesRead: number; - /** - * The path to the file the stream is reading from as specified in the first - * argument to `fs.createReadStream()`. If `path` is passed as a string, then`readStream.path` will be a string. If `path` is passed as a `Buffer`, then`readStream.path` will be a - * `Buffer`. If `fd` is specified, then`readStream.path` will be `undefined`. - * @since v0.1.93 - */ - path: string | Buffer; - /** - * This property is `true` if the underlying file has not been opened yet, - * i.e. before the `'ready'` event is emitted. - * @since v11.2.0, v10.16.0 - */ - pending: boolean; - /** - * events.EventEmitter - * 1. open - * 2. close - * 3. ready - */ - addListener(event: 'close', listener: () => void): this; - addListener(event: 'data', listener: (chunk: Buffer | string) => void): this; - addListener(event: 'end', listener: () => void): this; - addListener(event: 'error', listener: (err: Error) => void): this; - addListener(event: 'open', listener: (fd: number) => void): this; - addListener(event: 'pause', listener: () => void): this; - addListener(event: 'readable', listener: () => void): this; - addListener(event: 'ready', listener: () => void): this; - addListener(event: 'resume', listener: () => void): this; - addListener(event: string | symbol, listener: (...args: any[]) => void): this; - on(event: 'close', listener: () => void): this; - on(event: 'data', listener: (chunk: Buffer | string) => void): this; - on(event: 'end', listener: () => void): this; - on(event: 'error', listener: (err: Error) => void): this; - on(event: 'open', listener: (fd: number) => void): this; - on(event: 'pause', listener: () => void): this; - on(event: 'readable', listener: () => void): this; - on(event: 'ready', listener: () => void): this; - on(event: 'resume', listener: () => void): this; - on(event: string | symbol, listener: (...args: any[]) => void): this; - once(event: 'close', listener: () => void): this; - once(event: 'data', listener: (chunk: Buffer | string) => void): this; - once(event: 'end', listener: () => void): this; - once(event: 'error', listener: (err: Error) => void): this; - once(event: 'open', listener: (fd: number) => void): this; - once(event: 'pause', listener: () => void): this; - once(event: 'readable', listener: () => void): this; - once(event: 'ready', listener: () => void): this; - once(event: 'resume', listener: () => void): this; - once(event: string | symbol, listener: (...args: any[]) => void): this; - prependListener(event: 'close', listener: () => void): this; - prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this; - prependListener(event: 'end', listener: () => void): this; - prependListener(event: 'error', listener: (err: Error) => void): this; - prependListener(event: 'open', listener: (fd: number) => void): this; - prependListener(event: 'pause', listener: () => void): this; - prependListener(event: 'readable', listener: () => void): this; - prependListener(event: 'ready', listener: () => void): this; - prependListener(event: 'resume', listener: () => void): this; - prependListener(event: string | symbol, listener: (...args: any[]) => void): this; - prependOnceListener(event: 'close', listener: () => void): this; - prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this; - prependOnceListener(event: 'end', listener: () => void): this; - prependOnceListener(event: 'error', listener: (err: Error) => void): this; - prependOnceListener(event: 'open', listener: (fd: number) => void): this; - prependOnceListener(event: 'pause', listener: () => void): this; - prependOnceListener(event: 'readable', listener: () => void): this; - prependOnceListener(event: 'ready', listener: () => void): this; - prependOnceListener(event: 'resume', listener: () => void): this; - prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this; - } - /** - * * Extends `stream.Writable` - * - * Instances of `fs.WriteStream` are created and returned using the {@link createWriteStream} function. - * @since v0.1.93 - */ - export class WriteStream extends stream.Writable { - /** - * Closes `writeStream`. Optionally accepts a - * callback that will be executed once the `writeStream`is closed. - * @since v0.9.4 - */ - close(callback?: (err?: NodeJS.ErrnoException | null) => void): void; - /** - * The number of bytes written so far. Does not include data that is still queued - * for writing. - * @since v0.4.7 - */ - bytesWritten: number; - /** - * The path to the file the stream is writing to as specified in the first - * argument to {@link createWriteStream}. If `path` is passed as a string, then`writeStream.path` will be a string. If `path` is passed as a `Buffer`, then`writeStream.path` will be a - * `Buffer`. - * @since v0.1.93 - */ - path: string | Buffer; - /** - * This property is `true` if the underlying file has not been opened yet, - * i.e. before the `'ready'` event is emitted. - * @since v11.2.0 - */ - pending: boolean; - /** - * events.EventEmitter - * 1. open - * 2. close - * 3. ready - */ - addListener(event: 'close', listener: () => void): this; - addListener(event: 'drain', listener: () => void): this; - addListener(event: 'error', listener: (err: Error) => void): this; - addListener(event: 'finish', listener: () => void): this; - addListener(event: 'open', listener: (fd: number) => void): this; - addListener(event: 'pipe', listener: (src: stream.Readable) => void): this; - addListener(event: 'ready', listener: () => void): this; - addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this; - addListener(event: string | symbol, listener: (...args: any[]) => void): this; - on(event: 'close', listener: () => void): this; - on(event: 'drain', listener: () => void): this; - on(event: 'error', listener: (err: Error) => void): this; - on(event: 'finish', listener: () => void): this; - on(event: 'open', listener: (fd: number) => void): this; - on(event: 'pipe', listener: (src: stream.Readable) => void): this; - on(event: 'ready', listener: () => void): this; - on(event: 'unpipe', listener: (src: stream.Readable) => void): this; - on(event: string | symbol, listener: (...args: any[]) => void): this; - once(event: 'close', listener: () => void): this; - once(event: 'drain', listener: () => void): this; - once(event: 'error', listener: (err: Error) => void): this; - once(event: 'finish', listener: () => void): this; - once(event: 'open', listener: (fd: number) => void): this; - once(event: 'pipe', listener: (src: stream.Readable) => void): this; - once(event: 'ready', listener: () => void): this; - once(event: 'unpipe', listener: (src: stream.Readable) => void): this; - once(event: string | symbol, listener: (...args: any[]) => void): this; - prependListener(event: 'close', listener: () => void): this; - prependListener(event: 'drain', listener: () => void): this; - prependListener(event: 'error', listener: (err: Error) => void): this; - prependListener(event: 'finish', listener: () => void): this; - prependListener(event: 'open', listener: (fd: number) => void): this; - prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this; - prependListener(event: 'ready', listener: () => void): this; - prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this; - prependListener(event: string | symbol, listener: (...args: any[]) => void): this; - prependOnceListener(event: 'close', listener: () => void): this; - prependOnceListener(event: 'drain', listener: () => void): this; - prependOnceListener(event: 'error', listener: (err: Error) => void): this; - prependOnceListener(event: 'finish', listener: () => void): this; - prependOnceListener(event: 'open', listener: (fd: number) => void): this; - prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this; - prependOnceListener(event: 'ready', listener: () => void): this; - prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this; - prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this; - } - /** - * Asynchronously rename file at `oldPath` to the pathname provided - * as `newPath`. In the case that `newPath` already exists, it will - * be overwritten. If there is a directory at `newPath`, an error will - * be raised instead. No arguments other than a possible exception are - * given to the completion callback. - * - * See also: [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html). - * - * ```js - * import { rename } from 'fs'; - * - * rename('oldFile.txt', 'newFile.txt', (err) => { - * if (err) throw err; - * console.log('Rename complete!'); - * }); - * ``` - * @since v0.0.2 - */ - export function rename(oldPath: PathLike, newPath: PathLike, callback: NoParamCallback): void; - export namespace rename { - /** - * Asynchronous rename(2) - Change the name or location of a file or directory. - * @param oldPath A path to a file. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - */ - function __promisify__(oldPath: PathLike, newPath: PathLike): Promise<void>; - } - /** - * Renames the file from `oldPath` to `newPath`. Returns `undefined`. - * - * See the POSIX [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html) documentation for more details. - * @since v0.1.21 - */ - export function renameSync(oldPath: PathLike, newPath: PathLike): void; - /** - * Truncates the file. No arguments other than a possible exception are - * given to the completion callback. A file descriptor can also be passed as the - * first argument. In this case, `fs.ftruncate()` is called. - * - * ```js - * import { truncate } from 'fs'; - * // Assuming that 'path/file.txt' is a regular file. - * truncate('path/file.txt', (err) => { - * if (err) throw err; - * console.log('path/file.txt was truncated'); - * }); - * ``` - * - * Passing a file descriptor is deprecated and may result in an error being thrown - * in the future. - * - * See the POSIX [`truncate(2)`](http://man7.org/linux/man-pages/man2/truncate.2.html) documentation for more details. - * @since v0.8.6 - * @param [len=0] - */ - export function truncate(path: PathLike, len: number | undefined | null, callback: NoParamCallback): void; - /** - * Asynchronous truncate(2) - Truncate a file to a specified length. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export function truncate(path: PathLike, callback: NoParamCallback): void; - export namespace truncate { - /** - * Asynchronous truncate(2) - Truncate a file to a specified length. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param len If not specified, defaults to `0`. - */ - function __promisify__(path: PathLike, len?: number | null): Promise<void>; - } - /** - * Truncates the file. Returns `undefined`. A file descriptor can also be - * passed as the first argument. In this case, `fs.ftruncateSync()` is called. - * - * Passing a file descriptor is deprecated and may result in an error being thrown - * in the future. - * @since v0.8.6 - * @param [len=0] - */ - export function truncateSync(path: PathLike, len?: number | null): void; - /** - * Truncates the file descriptor. No arguments other than a possible exception are - * given to the completion callback. - * - * See the POSIX [`ftruncate(2)`](http://man7.org/linux/man-pages/man2/ftruncate.2.html) documentation for more detail. - * - * If the file referred to by the file descriptor was larger than `len` bytes, only - * the first `len` bytes will be retained in the file. - * - * For example, the following program retains only the first four bytes of the - * file: - * - * ```js - * import { open, close, ftruncate } from 'fs'; - * - * function closeFd(fd) { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * - * open('temp.txt', 'r+', (err, fd) => { - * if (err) throw err; - * - * try { - * ftruncate(fd, 4, (err) => { - * closeFd(fd); - * if (err) throw err; - * }); - * } catch (err) { - * closeFd(fd); - * if (err) throw err; - * } - * }); - * ``` - * - * If the file previously was shorter than `len` bytes, it is extended, and the - * extended part is filled with null bytes (`'\0'`): - * - * If `len` is negative then `0` will be used. - * @since v0.8.6 - * @param [len=0] - */ - export function ftruncate(fd: number, len: number | undefined | null, callback: NoParamCallback): void; - /** - * Asynchronous ftruncate(2) - Truncate a file to a specified length. - * @param fd A file descriptor. - */ - export function ftruncate(fd: number, callback: NoParamCallback): void; - export namespace ftruncate { - /** - * Asynchronous ftruncate(2) - Truncate a file to a specified length. - * @param fd A file descriptor. - * @param len If not specified, defaults to `0`. - */ - function __promisify__(fd: number, len?: number | null): Promise<void>; - } - /** - * Truncates the file descriptor. Returns `undefined`. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link ftruncate}. - * @since v0.8.6 - * @param [len=0] - */ - export function ftruncateSync(fd: number, len?: number | null): void; - /** - * Asynchronously changes owner and group of a file. No arguments other than a - * possible exception are given to the completion callback. - * - * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail. - * @since v0.1.97 - */ - export function chown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void; - export namespace chown { - /** - * Asynchronous chown(2) - Change ownership of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__(path: PathLike, uid: number, gid: number): Promise<void>; - } - /** - * Synchronously changes owner and group of a file. Returns `undefined`. - * This is the synchronous version of {@link chown}. - * - * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail. - * @since v0.1.97 - */ - export function chownSync(path: PathLike, uid: number, gid: number): void; - /** - * Sets the owner of the file. No arguments other than a possible exception are - * given to the completion callback. - * - * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail. - * @since v0.4.7 - */ - export function fchown(fd: number, uid: number, gid: number, callback: NoParamCallback): void; - export namespace fchown { - /** - * Asynchronous fchown(2) - Change ownership of a file. - * @param fd A file descriptor. - */ - function __promisify__(fd: number, uid: number, gid: number): Promise<void>; - } - /** - * Sets the owner of the file. Returns `undefined`. - * - * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail. - * @since v0.4.7 - * @param uid The file's new owner's user id. - * @param gid The file's new group's group id. - */ - export function fchownSync(fd: number, uid: number, gid: number): void; - /** - * Set the owner of the symbolic link. No arguments other than a possible - * exception are given to the completion callback. - * - * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more detail. - */ - export function lchown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void; - export namespace lchown { - /** - * Asynchronous lchown(2) - Change ownership of a file. Does not dereference symbolic links. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__(path: PathLike, uid: number, gid: number): Promise<void>; - } - /** - * Set the owner for the path. Returns `undefined`. - * - * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more details. - * @param uid The file's new owner's user id. - * @param gid The file's new group's group id. - */ - export function lchownSync(path: PathLike, uid: number, gid: number): void; - /** - * Changes the access and modification times of a file in the same way as {@link utimes}, with the difference that if the path refers to a symbolic - * link, then the link is not dereferenced: instead, the timestamps of the - * symbolic link itself are changed. - * - * No arguments other than a possible exception are given to the completion - * callback. - * @since v14.5.0, v12.19.0 - */ - export function lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void; - export namespace lutimes { - /** - * Changes the access and modification times of a file in the same way as `fsPromises.utimes()`, - * with the difference that if the path refers to a symbolic link, then the link is not - * dereferenced: instead, the timestamps of the symbolic link itself are changed. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param atime The last access time. If a string is provided, it will be coerced to number. - * @param mtime The last modified time. If a string is provided, it will be coerced to number. - */ - function __promisify__(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>; - } - /** - * Change the file system timestamps of the symbolic link referenced by `path`. - * Returns `undefined`, or throws an exception when parameters are incorrect or - * the operation fails. This is the synchronous version of {@link lutimes}. - * @since v14.5.0, v12.19.0 - */ - export function lutimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void; - /** - * Asynchronously changes the permissions of a file. No arguments other than a - * possible exception are given to the completion callback. - * - * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail. - * - * ```js - * import { chmod } from 'fs'; - * - * chmod('my_file.txt', 0o775, (err) => { - * if (err) throw err; - * console.log('The permissions for file "my_file.txt" have been changed!'); - * }); - * ``` - * @since v0.1.30 - */ - export function chmod(path: PathLike, mode: Mode, callback: NoParamCallback): void; - export namespace chmod { - /** - * Asynchronous chmod(2) - Change permissions of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param mode A file mode. If a string is passed, it is parsed as an octal integer. - */ - function __promisify__(path: PathLike, mode: Mode): Promise<void>; - } - /** - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link chmod}. - * - * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail. - * @since v0.6.7 - */ - export function chmodSync(path: PathLike, mode: Mode): void; - /** - * Sets the permissions on the file. No arguments other than a possible exception - * are given to the completion callback. - * - * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail. - * @since v0.4.7 - */ - export function fchmod(fd: number, mode: Mode, callback: NoParamCallback): void; - export namespace fchmod { - /** - * Asynchronous fchmod(2) - Change permissions of a file. - * @param fd A file descriptor. - * @param mode A file mode. If a string is passed, it is parsed as an octal integer. - */ - function __promisify__(fd: number, mode: Mode): Promise<void>; - } - /** - * Sets the permissions on the file. Returns `undefined`. - * - * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail. - * @since v0.4.7 - */ - export function fchmodSync(fd: number, mode: Mode): void; - /** - * Changes the permissions on a symbolic link. No arguments other than a possible - * exception are given to the completion callback. - * - * This method is only implemented on macOS. - * - * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail. - * @deprecated Since v0.4.7 - */ - export function lchmod(path: PathLike, mode: Mode, callback: NoParamCallback): void; - /** @deprecated */ - export namespace lchmod { - /** - * Asynchronous lchmod(2) - Change permissions of a file. Does not dereference symbolic links. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param mode A file mode. If a string is passed, it is parsed as an octal integer. - */ - function __promisify__(path: PathLike, mode: Mode): Promise<void>; - } - /** - * Changes the permissions on a symbolic link. Returns `undefined`. - * - * This method is only implemented on macOS. - * - * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail. - * @deprecated Since v0.4.7 - */ - export function lchmodSync(path: PathLike, mode: Mode): void; - /** - * Asynchronous [`stat(2)`](http://man7.org/linux/man-pages/man2/stat.2.html). The callback gets two arguments `(err, stats)` where`stats` is an `fs.Stats` object. - * - * In case of an error, the `err.code` will be one of `Common System Errors`. - * - * Using `fs.stat()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended. - * Instead, user code should open/read/write the file directly and handle the - * error raised if the file is not available. - * - * To check if a file exists without manipulating it afterwards, {@link access} is recommended. - * - * For example, given the following directory structure: - * - * ```text - * - txtDir - * -- file.txt - * - app.js - * ``` - * - * The next program will check for the stats of the given paths: - * - * ```js - * import { stat } from 'fs'; - * - * const pathsToCheck = ['./txtDir', './txtDir/file.txt']; - * - * for (let i = 0; i < pathsToCheck.length; i++) { - * stat(pathsToCheck[i], (err, stats) => { - * console.log(stats.isDirectory()); - * console.log(stats); - * }); - * } - * ``` - * - * The resulting output will resemble: - * - * ```console - * true - * Stats { - * dev: 16777220, - * mode: 16877, - * nlink: 3, - * uid: 501, - * gid: 20, - * rdev: 0, - * blksize: 4096, - * ino: 14214262, - * size: 96, - * blocks: 0, - * atimeMs: 1561174653071.963, - * mtimeMs: 1561174614583.3518, - * ctimeMs: 1561174626623.5366, - * birthtimeMs: 1561174126937.2893, - * atime: 2019-06-22T03:37:33.072Z, - * mtime: 2019-06-22T03:36:54.583Z, - * ctime: 2019-06-22T03:37:06.624Z, - * birthtime: 2019-06-22T03:28:46.937Z - * } - * false - * Stats { - * dev: 16777220, - * mode: 33188, - * nlink: 1, - * uid: 501, - * gid: 20, - * rdev: 0, - * blksize: 4096, - * ino: 14214074, - * size: 8, - * blocks: 8, - * atimeMs: 1561174616618.8555, - * mtimeMs: 1561174614584, - * ctimeMs: 1561174614583.8145, - * birthtimeMs: 1561174007710.7478, - * atime: 2019-06-22T03:36:56.619Z, - * mtime: 2019-06-22T03:36:54.584Z, - * ctime: 2019-06-22T03:36:54.584Z, - * birthtime: 2019-06-22T03:26:47.711Z - * } - * ``` - * @since v0.0.2 - */ - export function stat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void; - export function stat( - path: PathLike, - options: - | (StatOptions & { - bigint?: false | undefined; - }) - | undefined, - callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void - ): void; - export function stat( - path: PathLike, - options: StatOptions & { - bigint: true; - }, - callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void - ): void; - export function stat(path: PathLike, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void; - export namespace stat { - /** - * Asynchronous stat(2) - Get file status. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__( - path: PathLike, - options?: StatOptions & { - bigint?: false | undefined; - } - ): Promise<Stats>; - function __promisify__( - path: PathLike, - options: StatOptions & { - bigint: true; - } - ): Promise<BigIntStats>; - function __promisify__(path: PathLike, options?: StatOptions): Promise<Stats | BigIntStats>; - } - export interface StatSyncFn extends Function { - (path: PathLike, options?: undefined): Stats; - ( - path: PathLike, - options?: StatSyncOptions & { - bigint?: false | undefined; - throwIfNoEntry: false; - } - ): Stats | undefined; - ( - path: PathLike, - options: StatSyncOptions & { - bigint: true; - throwIfNoEntry: false; - } - ): BigIntStats | undefined; - ( - path: PathLike, - options?: StatSyncOptions & { - bigint?: false | undefined; - } - ): Stats; - ( - path: PathLike, - options: StatSyncOptions & { - bigint: true; - } - ): BigIntStats; - ( - path: PathLike, - options: StatSyncOptions & { - bigint: boolean; - throwIfNoEntry?: false | undefined; - } - ): Stats | BigIntStats; - (path: PathLike, options?: StatSyncOptions): Stats | BigIntStats | undefined; - } - /** - * Synchronous stat(2) - Get file status. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export const statSync: StatSyncFn; - /** - * Invokes the callback with the `fs.Stats` for the file descriptor. - * - * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail. - * @since v0.1.95 - */ - export function fstat(fd: number, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void; - export function fstat( - fd: number, - options: - | (StatOptions & { - bigint?: false | undefined; - }) - | undefined, - callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void - ): void; - export function fstat( - fd: number, - options: StatOptions & { - bigint: true; - }, - callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void - ): void; - export function fstat(fd: number, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void; - export namespace fstat { - /** - * Asynchronous fstat(2) - Get file status. - * @param fd A file descriptor. - */ - function __promisify__( - fd: number, - options?: StatOptions & { - bigint?: false | undefined; - } - ): Promise<Stats>; - function __promisify__( - fd: number, - options: StatOptions & { - bigint: true; - } - ): Promise<BigIntStats>; - function __promisify__(fd: number, options?: StatOptions): Promise<Stats | BigIntStats>; - } - /** - * Retrieves the `fs.Stats` for the file descriptor. - * - * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail. - * @since v0.1.95 - */ - export function fstatSync( - fd: number, - options?: StatOptions & { - bigint?: false | undefined; - } - ): Stats; - export function fstatSync( - fd: number, - options: StatOptions & { - bigint: true; - } - ): BigIntStats; - export function fstatSync(fd: number, options?: StatOptions): Stats | BigIntStats; - /** - * Retrieves the `fs.Stats` for the symbolic link referred to by the path. - * The callback gets two arguments `(err, stats)` where `stats` is a `fs.Stats` object. `lstat()` is identical to `stat()`, except that if `path` is a symbolic - * link, then the link itself is stat-ed, not the file that it refers to. - * - * See the POSIX [`lstat(2)`](http://man7.org/linux/man-pages/man2/lstat.2.html) documentation for more details. - * @since v0.1.30 - */ - export function lstat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void; - export function lstat( - path: PathLike, - options: - | (StatOptions & { - bigint?: false | undefined; - }) - | undefined, - callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void - ): void; - export function lstat( - path: PathLike, - options: StatOptions & { - bigint: true; - }, - callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void - ): void; - export function lstat(path: PathLike, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void; - export namespace lstat { - /** - * Asynchronous lstat(2) - Get file status. Does not dereference symbolic links. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__( - path: PathLike, - options?: StatOptions & { - bigint?: false | undefined; - } - ): Promise<Stats>; - function __promisify__( - path: PathLike, - options: StatOptions & { - bigint: true; - } - ): Promise<BigIntStats>; - function __promisify__(path: PathLike, options?: StatOptions): Promise<Stats | BigIntStats>; - } - /** - * Synchronous lstat(2) - Get file status. Does not dereference symbolic links. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export const lstatSync: StatSyncFn; - /** - * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. No arguments other than - * a possible - * exception are given to the completion callback. - * @since v0.1.31 - */ - export function link(existingPath: PathLike, newPath: PathLike, callback: NoParamCallback): void; - export namespace link { - /** - * Asynchronous link(2) - Create a new link (also known as a hard link) to an existing file. - * @param existingPath A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__(existingPath: PathLike, newPath: PathLike): Promise<void>; - } - /** - * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. Returns `undefined`. - * @since v0.1.31 - */ - export function linkSync(existingPath: PathLike, newPath: PathLike): void; - /** - * Creates the link called `path` pointing to `target`. No arguments other than a - * possible exception are given to the completion callback. - * - * See the POSIX [`symlink(2)`](http://man7.org/linux/man-pages/man2/symlink.2.html) documentation for more details. - * - * The `type` argument is only available on Windows and ignored on other platforms. - * It can be set to `'dir'`, `'file'`, or `'junction'`. If the `type` argument is - * not set, Node.js will autodetect `target` type and use `'file'` or `'dir'`. If - * the `target` does not exist, `'file'` will be used. Windows junction points - * require the destination path to be absolute. When using `'junction'`, the`target` argument will automatically be normalized to absolute path. - * - * Relative targets are relative to the link’s parent directory. - * - * ```js - * import { symlink } from 'fs'; - * - * symlink('./mew', './mewtwo', callback); - * ``` - * - * The above example creates a symbolic link `mewtwo` which points to `mew` in the - * same directory: - * - * ```bash - * $ tree . - * . - * ├── mew - * └── mewtwo -> ./mew - * ``` - * @since v0.1.31 - */ - export function symlink(target: PathLike, path: PathLike, type: symlink.Type | undefined | null, callback: NoParamCallback): void; - /** - * Asynchronous symlink(2) - Create a new symbolic link to an existing file. - * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol. - * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol. - */ - export function symlink(target: PathLike, path: PathLike, callback: NoParamCallback): void; - export namespace symlink { - /** - * Asynchronous symlink(2) - Create a new symbolic link to an existing file. - * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol. - * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol. - * @param type May be set to `'dir'`, `'file'`, or `'junction'` (default is `'file'`) and is only available on Windows (ignored on other platforms). - * When using `'junction'`, the `target` argument will automatically be normalized to an absolute path. - */ - function __promisify__(target: PathLike, path: PathLike, type?: string | null): Promise<void>; - type Type = 'dir' | 'file' | 'junction'; - } - /** - * Returns `undefined`. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link symlink}. - * @since v0.1.31 - */ - export function symlinkSync(target: PathLike, path: PathLike, type?: symlink.Type | null): void; - /** - * Reads the contents of the symbolic link referred to by `path`. The callback gets - * two arguments `(err, linkString)`. - * - * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use for - * the link path passed to the callback. If the `encoding` is set to `'buffer'`, - * the link path returned will be passed as a `Buffer` object. - * @since v0.1.31 - */ - export function readlink(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: string) => void): void; - /** - * Asynchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readlink(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: Buffer) => void): void; - /** - * Asynchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readlink(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: string | Buffer) => void): void; - /** - * Asynchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export function readlink(path: PathLike, callback: (err: NodeJS.ErrnoException | null, linkString: string) => void): void; - export namespace readlink { - /** - * Asynchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(path: PathLike, options?: EncodingOption): Promise<string>; - /** - * Asynchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(path: PathLike, options: BufferEncodingOption): Promise<Buffer>; - /** - * Asynchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(path: PathLike, options?: EncodingOption): Promise<string | Buffer>; - } - /** - * Returns the symbolic link's string value. - * - * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use for - * the link path returned. If the `encoding` is set to `'buffer'`, - * the link path returned will be passed as a `Buffer` object. - * @since v0.1.31 - */ - export function readlinkSync(path: PathLike, options?: EncodingOption): string; - /** - * Synchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readlinkSync(path: PathLike, options: BufferEncodingOption): Buffer; - /** - * Synchronous readlink(2) - read value of a symbolic link. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readlinkSync(path: PathLike, options?: EncodingOption): string | Buffer; - /** - * Asynchronously computes the canonical pathname by resolving `.`, `..` and - * symbolic links. - * - * A canonical pathname is not necessarily unique. Hard links and bind mounts can - * expose a file system entity through many pathnames. - * - * This function behaves like [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html), with some exceptions: - * - * 1. No case conversion is performed on case-insensitive file systems. - * 2. The maximum number of symbolic links is platform-independent and generally - * (much) higher than what the native [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html) implementation supports. - * - * The `callback` gets two arguments `(err, resolvedPath)`. May use `process.cwd`to resolve relative paths. - * - * Only paths that can be converted to UTF8 strings are supported. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use for - * the path passed to the callback. If the `encoding` is set to `'buffer'`, - * the path returned will be passed as a `Buffer` object. - * - * If `path` resolves to a socket or a pipe, the function will return a system - * dependent name for that object. - * @since v0.1.31 - */ - export function realpath(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void; - /** - * Asynchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function realpath(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: Buffer) => void): void; - /** - * Asynchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function realpath(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void; - /** - * Asynchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export function realpath(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void; - export namespace realpath { - /** - * Asynchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(path: PathLike, options?: EncodingOption): Promise<string>; - /** - * Asynchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(path: PathLike, options: BufferEncodingOption): Promise<Buffer>; - /** - * Asynchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(path: PathLike, options?: EncodingOption): Promise<string | Buffer>; - /** - * Asynchronous [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html). - * - * The `callback` gets two arguments `(err, resolvedPath)`. - * - * Only paths that can be converted to UTF8 strings are supported. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use for - * the path passed to the callback. If the `encoding` is set to `'buffer'`, - * the path returned will be passed as a `Buffer` object. - * - * On Linux, when Node.js is linked against musl libc, the procfs file system must - * be mounted on `/proc` in order for this function to work. Glibc does not have - * this restriction. - * @since v9.2.0 - */ - function native(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void; - function native(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: Buffer) => void): void; - function native(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void; - function native(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void; - } - /** - * Returns the resolved pathname. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link realpath}. - * @since v0.1.31 - */ - export function realpathSync(path: PathLike, options?: EncodingOption): string; - /** - * Synchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function realpathSync(path: PathLike, options: BufferEncodingOption): Buffer; - /** - * Synchronous realpath(3) - return the canonicalized absolute pathname. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function realpathSync(path: PathLike, options?: EncodingOption): string | Buffer; - export namespace realpathSync { - function native(path: PathLike, options?: EncodingOption): string; - function native(path: PathLike, options: BufferEncodingOption): Buffer; - function native(path: PathLike, options?: EncodingOption): string | Buffer; - } - /** - * Asynchronously removes a file or symbolic link. No arguments other than a - * possible exception are given to the completion callback. - * - * ```js - * import { unlink } from 'fs'; - * // Assuming that 'path/file.txt' is a regular file. - * unlink('path/file.txt', (err) => { - * if (err) throw err; - * console.log('path/file.txt was deleted'); - * }); - * ``` - * - * `fs.unlink()` will not work on a directory, empty or otherwise. To remove a - * directory, use {@link rmdir}. - * - * See the POSIX [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html) documentation for more details. - * @since v0.0.2 - */ - export function unlink(path: PathLike, callback: NoParamCallback): void; - export namespace unlink { - /** - * Asynchronous unlink(2) - delete a name and possibly the file it refers to. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__(path: PathLike): Promise<void>; - } - /** - * Synchronous [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html). Returns `undefined`. - * @since v0.1.21 - */ - export function unlinkSync(path: PathLike): void; - export interface RmDirOptions { - /** - * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or - * `EPERM` error is encountered, Node.js will retry the operation with a linear - * backoff wait of `retryDelay` ms longer on each try. This option represents the - * number of retries. This option is ignored if the `recursive` option is not - * `true`. - * @default 0 - */ - maxRetries?: number | undefined; - /** - * @deprecated since v14.14.0 In future versions of Node.js and will trigger a warning - * `fs.rmdir(path, { recursive: true })` will throw if `path` does not exist or is a file. - * Use `fs.rm(path, { recursive: true, force: true })` instead. - * - * If `true`, perform a recursive directory removal. In - * recursive mode, operations are retried on failure. - * @default false - */ - recursive?: boolean | undefined; - /** - * The amount of time in milliseconds to wait between retries. - * This option is ignored if the `recursive` option is not `true`. - * @default 100 - */ - retryDelay?: number | undefined; - } - /** - * Asynchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). No arguments other than a possible exception are given - * to the completion callback. - * - * Using `fs.rmdir()` on a file (not a directory) results in an `ENOENT` error on - * Windows and an `ENOTDIR` error on POSIX. - * - * To get a behavior similar to the `rm -rf` Unix command, use {@link rm} with options `{ recursive: true, force: true }`. - * @since v0.0.2 - */ - export function rmdir(path: PathLike, callback: NoParamCallback): void; - export function rmdir(path: PathLike, options: RmDirOptions, callback: NoParamCallback): void; - export namespace rmdir { - /** - * Asynchronous rmdir(2) - delete a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - function __promisify__(path: PathLike, options?: RmDirOptions): Promise<void>; - } - /** - * Synchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). Returns `undefined`. - * - * Using `fs.rmdirSync()` on a file (not a directory) results in an `ENOENT` error - * on Windows and an `ENOTDIR` error on POSIX. - * - * To get a behavior similar to the `rm -rf` Unix command, use {@link rmSync} with options `{ recursive: true, force: true }`. - * @since v0.1.21 - */ - export function rmdirSync(path: PathLike, options?: RmDirOptions): void; - export interface RmOptions { - /** - * When `true`, exceptions will be ignored if `path` does not exist. - * @default false - */ - force?: boolean | undefined; - /** - * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or - * `EPERM` error is encountered, Node.js will retry the operation with a linear - * backoff wait of `retryDelay` ms longer on each try. This option represents the - * number of retries. This option is ignored if the `recursive` option is not - * `true`. - * @default 0 - */ - maxRetries?: number | undefined; - /** - * If `true`, perform a recursive directory removal. In - * recursive mode, operations are retried on failure. - * @default false - */ - recursive?: boolean | undefined; - /** - * The amount of time in milliseconds to wait between retries. - * This option is ignored if the `recursive` option is not `true`. - * @default 100 - */ - retryDelay?: number | undefined; - } - /** - * Asynchronously removes files and directories (modeled on the standard POSIX `rm`utility). No arguments other than a possible exception are given to the - * completion callback. - * @since v14.14.0 - */ - export function rm(path: PathLike, callback: NoParamCallback): void; - export function rm(path: PathLike, options: RmOptions, callback: NoParamCallback): void; - export namespace rm { - /** - * Asynchronously removes files and directories (modeled on the standard POSIX `rm` utility). - */ - function __promisify__(path: PathLike, options?: RmOptions): Promise<void>; - } - /** - * Synchronously removes files and directories (modeled on the standard POSIX `rm`utility). Returns `undefined`. - * @since v14.14.0 - */ - export function rmSync(path: PathLike, options?: RmOptions): void; - export interface MakeDirectoryOptions { - /** - * Indicates whether parent folders should be created. - * If a folder was created, the path to the first created folder will be returned. - * @default false - */ - recursive?: boolean | undefined; - /** - * A file mode. If a string is passed, it is parsed as an octal integer. If not specified - * @default 0o777 - */ - mode?: Mode | undefined; - } - /** - * Asynchronously creates a directory. - * - * The callback is given a possible exception and, if `recursive` is `true`, the - * first directory path created, `(err[, path])`.`path` can still be `undefined` when `recursive` is `true`, if no directory was - * created. - * - * The optional `options` argument can be an integer specifying `mode` (permission - * and sticky bits), or an object with a `mode` property and a `recursive`property indicating whether parent directories should be created. Calling`fs.mkdir()` when `path` is a directory that - * exists results in an error only - * when `recursive` is false. - * - * ```js - * import { mkdir } from 'fs'; - * - * // Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist. - * mkdir('/tmp/a/apple', { recursive: true }, (err) => { - * if (err) throw err; - * }); - * ``` - * - * On Windows, using `fs.mkdir()` on the root directory even with recursion will - * result in an error: - * - * ```js - * import { mkdir } from 'fs'; - * - * mkdir('/', { recursive: true }, (err) => { - * // => [Error: EPERM: operation not permitted, mkdir 'C:\'] - * }); - * ``` - * - * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details. - * @since v0.1.8 - */ - export function mkdir( - path: PathLike, - options: MakeDirectoryOptions & { - recursive: true; - }, - callback: (err: NodeJS.ErrnoException | null, path?: string) => void - ): void; - /** - * Asynchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - export function mkdir( - path: PathLike, - options: - | Mode - | (MakeDirectoryOptions & { - recursive?: false | undefined; - }) - | null - | undefined, - callback: NoParamCallback - ): void; - /** - * Asynchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - export function mkdir(path: PathLike, options: Mode | MakeDirectoryOptions | null | undefined, callback: (err: NodeJS.ErrnoException | null, path?: string) => void): void; - /** - * Asynchronous mkdir(2) - create a directory with a mode of `0o777`. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export function mkdir(path: PathLike, callback: NoParamCallback): void; - export namespace mkdir { - /** - * Asynchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - function __promisify__( - path: PathLike, - options: MakeDirectoryOptions & { - recursive: true; - } - ): Promise<string | undefined>; - /** - * Asynchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - function __promisify__( - path: PathLike, - options?: - | Mode - | (MakeDirectoryOptions & { - recursive?: false | undefined; - }) - | null - ): Promise<void>; - /** - * Asynchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - function __promisify__(path: PathLike, options?: Mode | MakeDirectoryOptions | null): Promise<string | undefined>; - } - /** - * Synchronously creates a directory. Returns `undefined`, or if `recursive` is`true`, the first directory path created. - * This is the synchronous version of {@link mkdir}. - * - * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details. - * @since v0.1.21 - */ - export function mkdirSync( - path: PathLike, - options: MakeDirectoryOptions & { - recursive: true; - } - ): string | undefined; - /** - * Synchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - export function mkdirSync( - path: PathLike, - options?: - | Mode - | (MakeDirectoryOptions & { - recursive?: false | undefined; - }) - | null - ): void; - /** - * Synchronous mkdir(2) - create a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders - * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. - */ - export function mkdirSync(path: PathLike, options?: Mode | MakeDirectoryOptions | null): string | undefined; - /** - * Creates a unique temporary directory. - * - * Generates six random characters to be appended behind a required`prefix` to create a unique temporary directory. Due to platform - * inconsistencies, avoid trailing `X` characters in `prefix`. Some platforms, - * notably the BSDs, can return more than six random characters, and replace - * trailing `X` characters in `prefix` with random characters. - * - * The created directory path is passed as a string to the callback's second - * parameter. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use. - * - * ```js - * import { mkdtemp } from 'fs'; - * - * mkdtemp(path.join(os.tmpdir(), 'foo-'), (err, directory) => { - * if (err) throw err; - * console.log(directory); - * // Prints: /tmp/foo-itXde2 or C:\Users\...\AppData\Local\Temp\foo-itXde2 - * }); - * ``` - * - * The `fs.mkdtemp()` method will append the six randomly selected characters - * directly to the `prefix` string. For instance, given a directory `/tmp`, if the - * intention is to create a temporary directory _within_`/tmp`, the `prefix`must end with a trailing platform-specific path separator - * (`require('path').sep`). - * - * ```js - * import { tmpdir } from 'os'; - * import { mkdtemp } from 'fs'; - * - * // The parent directory for the new temporary directory - * const tmpDir = tmpdir(); - * - * // This method is *INCORRECT*: - * mkdtemp(tmpDir, (err, directory) => { - * if (err) throw err; - * console.log(directory); - * // Will print something similar to `/tmpabc123`. - * // A new temporary directory is created at the file system root - * // rather than *within* the /tmp directory. - * }); - * - * // This method is *CORRECT*: - * import { sep } from 'path'; - * mkdtemp(`${tmpDir}${sep}`, (err, directory) => { - * if (err) throw err; - * console.log(directory); - * // Will print something similar to `/tmp/abc123`. - * // A new temporary directory is created within - * // the /tmp directory. - * }); - * ``` - * @since v5.10.0 - */ - export function mkdtemp(prefix: string, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, folder: string) => void): void; - /** - * Asynchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function mkdtemp( - prefix: string, - options: - | 'buffer' - | { - encoding: 'buffer'; - }, - callback: (err: NodeJS.ErrnoException | null, folder: Buffer) => void - ): void; - /** - * Asynchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function mkdtemp(prefix: string, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, folder: string | Buffer) => void): void; - /** - * Asynchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - */ - export function mkdtemp(prefix: string, callback: (err: NodeJS.ErrnoException | null, folder: string) => void): void; - export namespace mkdtemp { - /** - * Asynchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(prefix: string, options?: EncodingOption): Promise<string>; - /** - * Asynchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(prefix: string, options: BufferEncodingOption): Promise<Buffer>; - /** - * Asynchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__(prefix: string, options?: EncodingOption): Promise<string | Buffer>; - } - /** - * Returns the created directory path. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link mkdtemp}. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use. - * @since v5.10.0 - */ - export function mkdtempSync(prefix: string, options?: EncodingOption): string; - /** - * Synchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function mkdtempSync(prefix: string, options: BufferEncodingOption): Buffer; - /** - * Synchronously creates a unique temporary directory. - * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function mkdtempSync(prefix: string, options?: EncodingOption): string | Buffer; - /** - * Reads the contents of a directory. The callback gets two arguments `(err, files)`where `files` is an array of the names of the files in the directory excluding`'.'` and `'..'`. - * - * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use for - * the filenames passed to the callback. If the `encoding` is set to `'buffer'`, - * the filenames returned will be passed as `Buffer` objects. - * - * If `options.withFileTypes` is set to `true`, the `files` array will contain `fs.Dirent` objects. - * @since v0.1.8 - */ - export function readdir( - path: PathLike, - options: - | { - encoding: BufferEncoding | null; - withFileTypes?: false | undefined; - } - | BufferEncoding - | undefined - | null, - callback: (err: NodeJS.ErrnoException | null, files: string[]) => void - ): void; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readdir( - path: PathLike, - options: - | { - encoding: 'buffer'; - withFileTypes?: false | undefined; - } - | 'buffer', - callback: (err: NodeJS.ErrnoException | null, files: Buffer[]) => void - ): void; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readdir( - path: PathLike, - options: - | (ObjectEncodingOptions & { - withFileTypes?: false | undefined; - }) - | BufferEncoding - | undefined - | null, - callback: (err: NodeJS.ErrnoException | null, files: string[] | Buffer[]) => void - ): void; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export function readdir(path: PathLike, callback: (err: NodeJS.ErrnoException | null, files: string[]) => void): void; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options If called with `withFileTypes: true` the result data will be an array of Dirent. - */ - export function readdir( - path: PathLike, - options: ObjectEncodingOptions & { - withFileTypes: true; - }, - callback: (err: NodeJS.ErrnoException | null, files: Dirent[]) => void - ): void; - export namespace readdir { - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__( - path: PathLike, - options?: - | { - encoding: BufferEncoding | null; - withFileTypes?: false | undefined; - } - | BufferEncoding - | null - ): Promise<string[]>; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__( - path: PathLike, - options: - | 'buffer' - | { - encoding: 'buffer'; - withFileTypes?: false | undefined; - } - ): Promise<Buffer[]>; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - function __promisify__( - path: PathLike, - options?: - | (ObjectEncodingOptions & { - withFileTypes?: false | undefined; - }) - | BufferEncoding - | null - ): Promise<string[] | Buffer[]>; - /** - * Asynchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options If called with `withFileTypes: true` the result data will be an array of Dirent - */ - function __promisify__( - path: PathLike, - options: ObjectEncodingOptions & { - withFileTypes: true; - } - ): Promise<Dirent[]>; - } - /** - * Reads the contents of the directory. - * - * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details. - * - * The optional `options` argument can be a string specifying an encoding, or an - * object with an `encoding` property specifying the character encoding to use for - * the filenames returned. If the `encoding` is set to `'buffer'`, - * the filenames returned will be passed as `Buffer` objects. - * - * If `options.withFileTypes` is set to `true`, the result will contain `fs.Dirent` objects. - * @since v0.1.21 - */ - export function readdirSync( - path: PathLike, - options?: - | { - encoding: BufferEncoding | null; - withFileTypes?: false | undefined; - } - | BufferEncoding - | null - ): string[]; - /** - * Synchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readdirSync( - path: PathLike, - options: - | { - encoding: 'buffer'; - withFileTypes?: false | undefined; - } - | 'buffer' - ): Buffer[]; - /** - * Synchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. - */ - export function readdirSync( - path: PathLike, - options?: - | (ObjectEncodingOptions & { - withFileTypes?: false | undefined; - }) - | BufferEncoding - | null - ): string[] | Buffer[]; - /** - * Synchronous readdir(3) - read a directory. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param options If called with `withFileTypes: true` the result data will be an array of Dirent. - */ - export function readdirSync( - path: PathLike, - options: ObjectEncodingOptions & { - withFileTypes: true; - } - ): Dirent[]; - /** - * Closes the file descriptor. No arguments other than a possible exception are - * given to the completion callback. - * - * Calling `fs.close()` on any file descriptor (`fd`) that is currently in use - * through any other `fs` operation may lead to undefined behavior. - * - * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail. - * @since v0.0.2 - */ - export function close(fd: number, callback?: NoParamCallback): void; - export namespace close { - /** - * Asynchronous close(2) - close a file descriptor. - * @param fd A file descriptor. - */ - function __promisify__(fd: number): Promise<void>; - } - /** - * Closes the file descriptor. Returns `undefined`. - * - * Calling `fs.closeSync()` on any file descriptor (`fd`) that is currently in use - * through any other `fs` operation may lead to undefined behavior. - * - * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail. - * @since v0.1.21 - */ - export function closeSync(fd: number): void; - /** - * Asynchronous file open. See the POSIX [`open(2)`](http://man7.org/linux/man-pages/man2/open.2.html) documentation for more details. - * - * `mode` sets the file mode (permission and sticky bits), but only if the file was - * created. On Windows, only the write permission can be manipulated; see {@link chmod}. - * - * The callback gets two arguments `(err, fd)`. - * - * Some characters (`< > : " / \ | ? *`) are reserved under Windows as documented - * by [Naming Files, Paths, and Namespaces](https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file). Under NTFS, if the filename contains - * a colon, Node.js will open a file system stream, as described by [this MSDN page](https://docs.microsoft.com/en-us/windows/desktop/FileIO/using-streams). - * - * Functions based on `fs.open()` exhibit this behavior as well:`fs.writeFile()`, `fs.readFile()`, etc. - * @since v0.0.2 - * @param [flags='r'] See `support of file system `flags``. - * @param [mode=0o666] - */ - export function open(path: PathLike, flags: OpenMode | undefined, mode: Mode | undefined | null, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void; - /** - * Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be `0o666`. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param [flags='r'] See `support of file system `flags``. - */ - export function open(path: PathLike, flags: OpenMode | undefined, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void; - /** - * Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be `0o666`. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - */ - export function open(path: PathLike, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void; - - export namespace open { - /** - * Asynchronous open(2) - open and possibly create a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param mode A file mode. If a string is passed, it is parsed as an octal integer. If not supplied, defaults to `0o666`. - */ - function __promisify__(path: PathLike, flags: OpenMode, mode?: Mode | null): Promise<number>; - } - /** - * Returns an integer representing the file descriptor. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link open}. - * @since v0.1.21 - * @param [flags='r'] - * @param [mode=0o666] - */ - export function openSync(path: PathLike, flags: OpenMode, mode?: Mode | null): number; - /** - * Change the file system timestamps of the object referenced by `path`. - * - * The `atime` and `mtime` arguments follow these rules: - * - * * Values can be either numbers representing Unix epoch time in seconds,`Date`s, or a numeric string like `'123456789.0'`. - * * If the value can not be converted to a number, or is `NaN`, `Infinity` or`-Infinity`, an `Error` will be thrown. - * @since v0.4.2 - */ - export function utimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void; - export namespace utimes { - /** - * Asynchronously change file timestamps of the file referenced by the supplied path. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * @param atime The last access time. If a string is provided, it will be coerced to number. - * @param mtime The last modified time. If a string is provided, it will be coerced to number. - */ - function __promisify__(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>; - } - /** - * Returns `undefined`. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link utimes}. - * @since v0.4.2 - */ - export function utimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void; - /** - * Change the file system timestamps of the object referenced by the supplied file - * descriptor. See {@link utimes}. - * @since v0.4.2 - */ - export function futimes(fd: number, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void; - export namespace futimes { - /** - * Asynchronously change file timestamps of the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param atime The last access time. If a string is provided, it will be coerced to number. - * @param mtime The last modified time. If a string is provided, it will be coerced to number. - */ - function __promisify__(fd: number, atime: TimeLike, mtime: TimeLike): Promise<void>; - } - /** - * Synchronous version of {@link futimes}. Returns `undefined`. - * @since v0.4.2 - */ - export function futimesSync(fd: number, atime: TimeLike, mtime: TimeLike): void; - /** - * Request that all data for the open file descriptor is flushed to the storage - * device. The specific implementation is operating system and device specific. - * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. No arguments other - * than a possible exception are given to the completion callback. - * @since v0.1.96 - */ - export function fsync(fd: number, callback: NoParamCallback): void; - export namespace fsync { - /** - * Asynchronous fsync(2) - synchronize a file's in-core state with the underlying storage device. - * @param fd A file descriptor. - */ - function __promisify__(fd: number): Promise<void>; - } - /** - * Request that all data for the open file descriptor is flushed to the storage - * device. The specific implementation is operating system and device specific. - * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. Returns `undefined`. - * @since v0.1.96 - */ - export function fsyncSync(fd: number): void; - /** - * Write `buffer` to the file specified by `fd`. - * - * `offset` determines the part of the buffer to be written, and `length` is - * an integer specifying the number of bytes to write. - * - * `position` refers to the offset from the beginning of the file where this data - * should be written. If `typeof position !== 'number'`, the data will be written - * at the current position. See [`pwrite(2)`](http://man7.org/linux/man-pages/man2/pwrite.2.html). - * - * The callback will be given three arguments `(err, bytesWritten, buffer)` where`bytesWritten` specifies how many _bytes_ were written from `buffer`. - * - * If this method is invoked as its `util.promisify()` ed version, it returns - * a promise for an `Object` with `bytesWritten` and `buffer` properties. - * - * It is unsafe to use `fs.write()` multiple times on the same file without waiting - * for the callback. For this scenario, {@link createWriteStream} is - * recommended. - * - * On Linux, positional writes don't work when the file is opened in append mode. - * The kernel ignores the position argument and always appends the data to - * the end of the file. - * @since v0.0.2 - */ - export function write<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - buffer: TBuffer, - offset: number | undefined | null, - length: number | undefined | null, - position: number | undefined | null, - callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void - ): void; - /** - * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param offset The part of the buffer to be written. If not supplied, defaults to `0`. - * @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`. - */ - export function write<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - buffer: TBuffer, - offset: number | undefined | null, - length: number | undefined | null, - callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void - ): void; - /** - * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param offset The part of the buffer to be written. If not supplied, defaults to `0`. - */ - export function write<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - buffer: TBuffer, - offset: number | undefined | null, - callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void - ): void; - /** - * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - */ - export function write<TBuffer extends NodeJS.ArrayBufferView>(fd: number, buffer: TBuffer, callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void): void; - /** - * Asynchronously writes `string` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param string A string to write. - * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position. - * @param encoding The expected string encoding. - */ - export function write( - fd: number, - string: string, - position: number | undefined | null, - encoding: BufferEncoding | undefined | null, - callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void - ): void; - /** - * Asynchronously writes `string` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param string A string to write. - * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position. - */ - export function write(fd: number, string: string, position: number | undefined | null, callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void): void; - /** - * Asynchronously writes `string` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param string A string to write. - */ - export function write(fd: number, string: string, callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void): void; - export namespace write { - /** - * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param offset The part of the buffer to be written. If not supplied, defaults to `0`. - * @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`. - * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position. - */ - function __promisify__<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - buffer?: TBuffer, - offset?: number, - length?: number, - position?: number | null - ): Promise<{ - bytesWritten: number; - buffer: TBuffer; - }>; - /** - * Asynchronously writes `string` to the file referenced by the supplied file descriptor. - * @param fd A file descriptor. - * @param string A string to write. - * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position. - * @param encoding The expected string encoding. - */ - function __promisify__( - fd: number, - string: string, - position?: number | null, - encoding?: BufferEncoding | null - ): Promise<{ - bytesWritten: number; - buffer: string; - }>; - } - /** - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link write}. - * @since v0.1.21 - * @return The number of bytes written. - */ - export function writeSync(fd: number, buffer: NodeJS.ArrayBufferView, offset?: number | null, length?: number | null, position?: number | null): number; - /** - * Synchronously writes `string` to the file referenced by the supplied file descriptor, returning the number of bytes written. - * @param fd A file descriptor. - * @param string A string to write. - * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position. - * @param encoding The expected string encoding. - */ - export function writeSync(fd: number, string: string, position?: number | null, encoding?: BufferEncoding | null): number; - export type ReadPosition = number | bigint; - export interface ReadSyncOptions { - /** - * @default 0 - */ - offset?: number | undefined; - /** - * @default `length of buffer` - */ - length?: number | undefined; - /** - * @default null - */ - position?: ReadPosition | null | undefined; - } - export interface ReadAsyncOptions<TBuffer extends NodeJS.ArrayBufferView> extends ReadSyncOptions { - buffer?: TBuffer; - } - /** - * Read data from the file specified by `fd`. - * - * The callback is given the three arguments, `(err, bytesRead, buffer)`. - * - * If the file is not modified concurrently, the end-of-file is reached when the - * number of bytes read is zero. - * - * If this method is invoked as its `util.promisify()` ed version, it returns - * a promise for an `Object` with `bytesRead` and `buffer` properties. - * @since v0.0.2 - * @param buffer The buffer that the data will be written to. - * @param offset The position in `buffer` to write the data to. - * @param length The number of bytes to read. - * @param position Specifies where to begin reading from in the file. If `position` is `null` or `-1 `, data will be read from the current file position, and the file position will be updated. If - * `position` is an integer, the file position will be unchanged. - */ - export function read<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - buffer: TBuffer, - offset: number, - length: number, - position: ReadPosition | null, - callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void - ): void; - /** - * Similar to the above `fs.read` function, this version takes an optional `options` object. - * If not otherwise specified in an `options` object, - * `buffer` defaults to `Buffer.alloc(16384)`, - * `offset` defaults to `0`, - * `length` defaults to `buffer.byteLength`, `- offset` as of Node 17.6.0 - * `position` defaults to `null` - * @since v12.17.0, 13.11.0 - */ - export function read<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - options: ReadAsyncOptions<TBuffer>, - callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void - ): void; - export function read(fd: number, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: NodeJS.ArrayBufferView) => void): void; - export namespace read { - /** - * @param fd A file descriptor. - * @param buffer The buffer that the data will be written to. - * @param offset The offset in the buffer at which to start writing. - * @param length The number of bytes to read. - * @param position The offset from the beginning of the file from which data should be read. If `null`, data will be read from the current position. - */ - function __promisify__<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - buffer: TBuffer, - offset: number, - length: number, - position: number | null - ): Promise<{ - bytesRead: number; - buffer: TBuffer; - }>; - function __promisify__<TBuffer extends NodeJS.ArrayBufferView>( - fd: number, - options: ReadAsyncOptions<TBuffer> - ): Promise<{ - bytesRead: number; - buffer: TBuffer; - }>; - function __promisify__(fd: number): Promise<{ - bytesRead: number; - buffer: NodeJS.ArrayBufferView; - }>; - } - /** - * Returns the number of `bytesRead`. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link read}. - * @since v0.1.21 - */ - export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, offset: number, length: number, position: ReadPosition | null): number; - /** - * Similar to the above `fs.readSync` function, this version takes an optional `options` object. - * If no `options` object is specified, it will default with the above values. - */ - export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, opts?: ReadSyncOptions): number; - /** - * Asynchronously reads the entire contents of a file. - * - * ```js - * import { readFile } from 'fs'; - * - * readFile('/etc/passwd', (err, data) => { - * if (err) throw err; - * console.log(data); - * }); - * ``` - * - * The callback is passed two arguments `(err, data)`, where `data` is the - * contents of the file. - * - * If no encoding is specified, then the raw buffer is returned. - * - * If `options` is a string, then it specifies the encoding: - * - * ```js - * import { readFile } from 'fs'; - * - * readFile('/etc/passwd', 'utf8', callback); - * ``` - * - * When the path is a directory, the behavior of `fs.readFile()` and {@link readFileSync} is platform-specific. On macOS, Linux, and Windows, an - * error will be returned. On FreeBSD, a representation of the directory's contents - * will be returned. - * - * ```js - * import { readFile } from 'fs'; - * - * // macOS, Linux, and Windows - * readFile('<directory>', (err, data) => { - * // => [Error: EISDIR: illegal operation on a directory, read <directory>] - * }); - * - * // FreeBSD - * readFile('<directory>', (err, data) => { - * // => null, <data> - * }); - * ``` - * - * It is possible to abort an ongoing request using an `AbortSignal`. If a - * request is aborted the callback is called with an `AbortError`: - * - * ```js - * import { readFile } from 'fs'; - * - * const controller = new AbortController(); - * const signal = controller.signal; - * readFile(fileInfo[0].name, { signal }, (err, buf) => { - * // ... - * }); - * // When you want to abort the request - * controller.abort(); - * ``` - * - * The `fs.readFile()` function buffers the entire file. To minimize memory costs, - * when possible prefer streaming via `fs.createReadStream()`. - * - * Aborting an ongoing request does not abort individual operating - * system requests but rather the internal buffering `fs.readFile` performs. - * @since v0.1.29 - * @param path filename or file descriptor - */ - export function readFile( - path: PathOrFileDescriptor, - options: - | ({ - encoding?: null | undefined; - flag?: string | undefined; - } & Abortable) - | undefined - | null, - callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void - ): void; - /** - * Asynchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - export function readFile( - path: PathOrFileDescriptor, - options: - | ({ - encoding: BufferEncoding; - flag?: string | undefined; - } & Abortable) - | BufferEncoding, - callback: (err: NodeJS.ErrnoException | null, data: string) => void - ): void; - /** - * Asynchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - export function readFile( - path: PathOrFileDescriptor, - options: - | (ObjectEncodingOptions & { - flag?: string | undefined; - } & Abortable) - | BufferEncoding - | undefined - | null, - callback: (err: NodeJS.ErrnoException | null, data: string | Buffer) => void - ): void; - /** - * Asynchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - */ - export function readFile(path: PathOrFileDescriptor, callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void): void; - export namespace readFile { - /** - * Asynchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options An object that may contain an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - function __promisify__( - path: PathOrFileDescriptor, - options?: { - encoding?: null | undefined; - flag?: string | undefined; - } | null - ): Promise<Buffer>; - /** - * Asynchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - function __promisify__( - path: PathOrFileDescriptor, - options: - | { - encoding: BufferEncoding; - flag?: string | undefined; - } - | BufferEncoding - ): Promise<string>; - /** - * Asynchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - function __promisify__( - path: PathOrFileDescriptor, - options?: - | (ObjectEncodingOptions & { - flag?: string | undefined; - }) - | BufferEncoding - | null - ): Promise<string | Buffer>; - } - /** - * Returns the contents of the `path`. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link readFile}. - * - * If the `encoding` option is specified then this function returns a - * string. Otherwise it returns a buffer. - * - * Similar to {@link readFile}, when the path is a directory, the behavior of`fs.readFileSync()` is platform-specific. - * - * ```js - * import { readFileSync } from 'fs'; - * - * // macOS, Linux, and Windows - * readFileSync('<directory>'); - * // => [Error: EISDIR: illegal operation on a directory, read <directory>] - * - * // FreeBSD - * readFileSync('<directory>'); // => <data> - * ``` - * @since v0.1.8 - * @param path filename or file descriptor - */ - export function readFileSync( - path: PathOrFileDescriptor, - options?: { - encoding?: null | undefined; - flag?: string | undefined; - } | null - ): Buffer; - /** - * Synchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - export function readFileSync( - path: PathOrFileDescriptor, - options: - | { - encoding: BufferEncoding; - flag?: string | undefined; - } - | BufferEncoding - ): string; - /** - * Synchronously reads the entire contents of a file. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. - * If a flag is not provided, it defaults to `'r'`. - */ - export function readFileSync( - path: PathOrFileDescriptor, - options?: - | (ObjectEncodingOptions & { - flag?: string | undefined; - }) - | BufferEncoding - | null - ): string | Buffer; - export type WriteFileOptions = - | (ObjectEncodingOptions & - Abortable & { - mode?: Mode | undefined; - flag?: string | undefined; - }) - | BufferEncoding - | null; - /** - * When `file` is a filename, asynchronously writes data to the file, replacing the - * file if it already exists. `data` can be a string or a buffer. - * - * When `file` is a file descriptor, the behavior is similar to calling`fs.write()` directly (which is recommended). See the notes below on using - * a file descriptor. - * - * The `encoding` option is ignored if `data` is a buffer. - * - * The `mode` option only affects the newly created file. See {@link open} for more details. - * - * ```js - * import { writeFile } from 'fs'; - * import { Buffer } from 'buffer'; - * - * const data = new Uint8Array(Buffer.from('Hello Node.js')); - * writeFile('message.txt', data, (err) => { - * if (err) throw err; - * console.log('The file has been saved!'); - * }); - * ``` - * - * If `options` is a string, then it specifies the encoding: - * - * ```js - * import { writeFile } from 'fs'; - * - * writeFile('message.txt', 'Hello Node.js', 'utf8', callback); - * ``` - * - * It is unsafe to use `fs.writeFile()` multiple times on the same file without - * waiting for the callback. For this scenario, {@link createWriteStream} is - * recommended. - * - * Similarly to `fs.readFile` \- `fs.writeFile` is a convenience method that - * performs multiple `write` calls internally to write the buffer passed to it. - * For performance sensitive code consider using {@link createWriteStream}. - * - * It is possible to use an `AbortSignal` to cancel an `fs.writeFile()`. - * Cancelation is "best effort", and some amount of data is likely still - * to be written. - * - * ```js - * import { writeFile } from 'fs'; - * import { Buffer } from 'buffer'; - * - * const controller = new AbortController(); - * const { signal } = controller; - * const data = new Uint8Array(Buffer.from('Hello Node.js')); - * writeFile('message.txt', data, { signal }, (err) => { - * // When a request is aborted - the callback is called with an AbortError - * }); - * // When the request should be aborted - * controller.abort(); - * ``` - * - * Aborting an ongoing request does not abort individual operating - * system requests but rather the internal buffering `fs.writeFile` performs. - * @since v0.1.29 - * @param file filename or file descriptor - */ - export function writeFile(file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options: WriteFileOptions, callback: NoParamCallback): void; - /** - * Asynchronously writes data to a file, replacing the file if it already exists. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. - */ - export function writeFile(path: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, callback: NoParamCallback): void; - export namespace writeFile { - /** - * Asynchronously writes data to a file, replacing the file if it already exists. - * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. - * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag. - * If `encoding` is not supplied, the default of `'utf8'` is used. - * If `mode` is not supplied, the default of `0o666` is used. - * If `mode` is a string, it is parsed as an octal integer. - * If `flag` is not supplied, the default of `'w'` is used. - */ - function __promisify__(path: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): Promise<void>; - } - /** - * Returns `undefined`. - * - * The `mode` option only affects the newly created file. See {@link open} for more details. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link writeFile}. - * @since v0.1.29 - * @param file filename or file descriptor - */ - export function writeFileSync(file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): void; - /** - * Asynchronously append data to a file, creating the file if it does not yet - * exist. `data` can be a string or a `Buffer`. - * - * The `mode` option only affects the newly created file. See {@link open} for more details. - * - * ```js - * import { appendFile } from 'fs'; - * - * appendFile('message.txt', 'data to append', (err) => { - * if (err) throw err; - * console.log('The "data to append" was appended to file!'); - * }); - * ``` - * - * If `options` is a string, then it specifies the encoding: - * - * ```js - * import { appendFile } from 'fs'; - * - * appendFile('message.txt', 'data to append', 'utf8', callback); - * ``` - * - * The `path` may be specified as a numeric file descriptor that has been opened - * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will - * not be closed automatically. - * - * ```js - * import { open, close, appendFile } from 'fs'; - * - * function closeFd(fd) { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * - * open('message.txt', 'a', (err, fd) => { - * if (err) throw err; - * - * try { - * appendFile(fd, 'data to append', 'utf8', (err) => { - * closeFd(fd); - * if (err) throw err; - * }); - * } catch (err) { - * closeFd(fd); - * throw err; - * } - * }); - * ``` - * @since v0.6.7 - * @param path filename or file descriptor - */ - export function appendFile(path: PathOrFileDescriptor, data: string | Uint8Array, options: WriteFileOptions, callback: NoParamCallback): void; - /** - * Asynchronously append data to a file, creating the file if it does not exist. - * @param file A path to a file. If a URL is provided, it must use the `file:` protocol. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. - */ - export function appendFile(file: PathOrFileDescriptor, data: string | Uint8Array, callback: NoParamCallback): void; - export namespace appendFile { - /** - * Asynchronously append data to a file, creating the file if it does not exist. - * @param file A path to a file. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - * If a file descriptor is provided, the underlying file will _not_ be closed automatically. - * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. - * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag. - * If `encoding` is not supplied, the default of `'utf8'` is used. - * If `mode` is not supplied, the default of `0o666` is used. - * If `mode` is a string, it is parsed as an octal integer. - * If `flag` is not supplied, the default of `'a'` is used. - */ - function __promisify__(file: PathOrFileDescriptor, data: string | Uint8Array, options?: WriteFileOptions): Promise<void>; - } - /** - * Synchronously append data to a file, creating the file if it does not yet - * exist. `data` can be a string or a `Buffer`. - * - * The `mode` option only affects the newly created file. See {@link open} for more details. - * - * ```js - * import { appendFileSync } from 'fs'; - * - * try { - * appendFileSync('message.txt', 'data to append'); - * console.log('The "data to append" was appended to file!'); - * } catch (err) { - * // Handle the error - * } - * ``` - * - * If `options` is a string, then it specifies the encoding: - * - * ```js - * import { appendFileSync } from 'fs'; - * - * appendFileSync('message.txt', 'data to append', 'utf8'); - * ``` - * - * The `path` may be specified as a numeric file descriptor that has been opened - * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will - * not be closed automatically. - * - * ```js - * import { openSync, closeSync, appendFileSync } from 'fs'; - * - * let fd; - * - * try { - * fd = openSync('message.txt', 'a'); - * appendFileSync(fd, 'data to append', 'utf8'); - * } catch (err) { - * // Handle the error - * } finally { - * if (fd !== undefined) - * closeSync(fd); - * } - * ``` - * @since v0.6.7 - * @param path filename or file descriptor - */ - export function appendFileSync(path: PathOrFileDescriptor, data: string | Uint8Array, options?: WriteFileOptions): void; - /** - * Watch for changes on `filename`. The callback `listener` will be called each - * time the file is accessed. - * - * The `options` argument may be omitted. If provided, it should be an object. The`options` object may contain a boolean named `persistent` that indicates - * whether the process should continue to run as long as files are being watched. - * The `options` object may specify an `interval` property indicating how often the - * target should be polled in milliseconds. - * - * The `listener` gets two arguments the current stat object and the previous - * stat object: - * - * ```js - * import { watchFile } from 'fs'; - * - * watchFile('message.text', (curr, prev) => { - * console.log(`the current mtime is: ${curr.mtime}`); - * console.log(`the previous mtime was: ${prev.mtime}`); - * }); - * ``` - * - * These stat objects are instances of `fs.Stat`. If the `bigint` option is `true`, - * the numeric values in these objects are specified as `BigInt`s. - * - * To be notified when the file was modified, not just accessed, it is necessary - * to compare `curr.mtimeMs` and `prev.mtimeMs`. - * - * When an `fs.watchFile` operation results in an `ENOENT` error, it - * will invoke the listener once, with all the fields zeroed (or, for dates, the - * Unix Epoch). If the file is created later on, the listener will be called - * again, with the latest stat objects. This is a change in functionality since - * v0.10. - * - * Using {@link watch} is more efficient than `fs.watchFile` and`fs.unwatchFile`. `fs.watch` should be used instead of `fs.watchFile` and`fs.unwatchFile` when possible. - * - * When a file being watched by `fs.watchFile()` disappears and reappears, - * then the contents of `previous` in the second callback event (the file's - * reappearance) will be the same as the contents of `previous` in the first - * callback event (its disappearance). - * - * This happens when: - * - * * the file is deleted, followed by a restore - * * the file is renamed and then renamed a second time back to its original name - * @since v0.1.31 - */ - export interface WatchFileOptions { - bigint?: boolean | undefined; - persistent?: boolean | undefined; - interval?: number | undefined; - } - /** - * Watch for changes on `filename`. The callback `listener` will be called each - * time the file is accessed. - * - * The `options` argument may be omitted. If provided, it should be an object. The`options` object may contain a boolean named `persistent` that indicates - * whether the process should continue to run as long as files are being watched. - * The `options` object may specify an `interval` property indicating how often the - * target should be polled in milliseconds. - * - * The `listener` gets two arguments the current stat object and the previous - * stat object: - * - * ```js - * import { watchFile } from 'fs'; - * - * watchFile('message.text', (curr, prev) => { - * console.log(`the current mtime is: ${curr.mtime}`); - * console.log(`the previous mtime was: ${prev.mtime}`); - * }); - * ``` - * - * These stat objects are instances of `fs.Stat`. If the `bigint` option is `true`, - * the numeric values in these objects are specified as `BigInt`s. - * - * To be notified when the file was modified, not just accessed, it is necessary - * to compare `curr.mtimeMs` and `prev.mtimeMs`. - * - * When an `fs.watchFile` operation results in an `ENOENT` error, it - * will invoke the listener once, with all the fields zeroed (or, for dates, the - * Unix Epoch). If the file is created later on, the listener will be called - * again, with the latest stat objects. This is a change in functionality since - * v0.10. - * - * Using {@link watch} is more efficient than `fs.watchFile` and`fs.unwatchFile`. `fs.watch` should be used instead of `fs.watchFile` and`fs.unwatchFile` when possible. - * - * When a file being watched by `fs.watchFile()` disappears and reappears, - * then the contents of `previous` in the second callback event (the file's - * reappearance) will be the same as the contents of `previous` in the first - * callback event (its disappearance). - * - * This happens when: - * - * * the file is deleted, followed by a restore - * * the file is renamed and then renamed a second time back to its original name - * @since v0.1.31 - */ - export function watchFile( - filename: PathLike, - options: - | (WatchFileOptions & { - bigint?: false | undefined; - }) - | undefined, - listener: (curr: Stats, prev: Stats) => void - ): StatWatcher; - export function watchFile( - filename: PathLike, - options: - | (WatchFileOptions & { - bigint: true; - }) - | undefined, - listener: (curr: BigIntStats, prev: BigIntStats) => void - ): StatWatcher; - /** - * Watch for changes on `filename`. The callback `listener` will be called each time the file is accessed. - * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - */ - export function watchFile(filename: PathLike, listener: (curr: Stats, prev: Stats) => void): StatWatcher; - /** - * Stop watching for changes on `filename`. If `listener` is specified, only that - * particular listener is removed. Otherwise, _all_ listeners are removed, - * effectively stopping watching of `filename`. - * - * Calling `fs.unwatchFile()` with a filename that is not being watched is a - * no-op, not an error. - * - * Using {@link watch} is more efficient than `fs.watchFile()` and`fs.unwatchFile()`. `fs.watch()` should be used instead of `fs.watchFile()`and `fs.unwatchFile()` when possible. - * @since v0.1.31 - * @param listener Optional, a listener previously attached using `fs.watchFile()` - */ - export function unwatchFile(filename: PathLike, listener?: (curr: Stats, prev: Stats) => void): void; - export interface WatchOptions extends Abortable { - encoding?: BufferEncoding | 'buffer' | undefined; - persistent?: boolean | undefined; - recursive?: boolean | undefined; - } - export type WatchEventType = 'rename' | 'change'; - export type WatchListener<T> = (event: WatchEventType, filename: T) => void; - /** - * Watch for changes on `filename`, where `filename` is either a file or a - * directory. - * - * The second argument is optional. If `options` is provided as a string, it - * specifies the `encoding`. Otherwise `options` should be passed as an object. - * - * The listener callback gets two arguments `(eventType, filename)`. `eventType`is either `'rename'` or `'change'`, and `filename` is the name of the file - * which triggered the event. - * - * On most platforms, `'rename'` is emitted whenever a filename appears or - * disappears in the directory. - * - * The listener callback is attached to the `'change'` event fired by `fs.FSWatcher`, but it is not the same thing as the `'change'` value of`eventType`. - * - * If a `signal` is passed, aborting the corresponding AbortController will close - * the returned `fs.FSWatcher`. - * @since v0.5.10 - * @param listener - */ - export function watch( - filename: PathLike, - options: - | (WatchOptions & { - encoding: 'buffer'; - }) - | 'buffer', - listener?: WatchListener<Buffer> - ): FSWatcher; - /** - * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`. - * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options. - * If `encoding` is not supplied, the default of `'utf8'` is used. - * If `persistent` is not supplied, the default of `true` is used. - * If `recursive` is not supplied, the default of `false` is used. - */ - export function watch(filename: PathLike, options?: WatchOptions | BufferEncoding | null, listener?: WatchListener<string>): FSWatcher; - /** - * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`. - * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options. - * If `encoding` is not supplied, the default of `'utf8'` is used. - * If `persistent` is not supplied, the default of `true` is used. - * If `recursive` is not supplied, the default of `false` is used. - */ - export function watch(filename: PathLike, options: WatchOptions | string, listener?: WatchListener<string | Buffer>): FSWatcher; - /** - * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`. - * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - */ - export function watch(filename: PathLike, listener?: WatchListener<string>): FSWatcher; - /** - * Test whether or not the given path exists by checking with the file system. - * Then call the `callback` argument with either true or false: - * - * ```js - * import { exists } from 'fs'; - * - * exists('/etc/passwd', (e) => { - * console.log(e ? 'it exists' : 'no passwd!'); - * }); - * ``` - * - * **The parameters for this callback are not consistent with other Node.js** - * **callbacks.** Normally, the first parameter to a Node.js callback is an `err`parameter, optionally followed by other parameters. The `fs.exists()` callback - * has only one boolean parameter. This is one reason `fs.access()` is recommended - * instead of `fs.exists()`. - * - * Using `fs.exists()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended. Doing - * so introduces a race condition, since other processes may change the file's - * state between the two calls. Instead, user code should open/read/write the - * file directly and handle the error raised if the file does not exist. - * - * **write (NOT RECOMMENDED)** - * - * ```js - * import { exists, open, close } from 'fs'; - * - * exists('myfile', (e) => { - * if (e) { - * console.error('myfile already exists'); - * } else { - * open('myfile', 'wx', (err, fd) => { - * if (err) throw err; - * - * try { - * writeMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * } - * }); - * ``` - * - * **write (RECOMMENDED)** - * - * ```js - * import { open, close } from 'fs'; - * open('myfile', 'wx', (err, fd) => { - * if (err) { - * if (err.code === 'EEXIST') { - * console.error('myfile already exists'); - * return; - * } - * - * throw err; - * } - * - * try { - * writeMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * ``` - * - * **read (NOT RECOMMENDED)** - * - * ```js - * import { open, close, exists } from 'fs'; - * - * exists('myfile', (e) => { - * if (e) { - * open('myfile', 'r', (err, fd) => { - * if (err) throw err; - * - * try { - * readMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * } else { - * console.error('myfile does not exist'); - * } - * }); - * ``` - * - * **read (RECOMMENDED)** - * - * ```js - * import { open, close } from 'fs'; - * - * open('myfile', 'r', (err, fd) => { - * if (err) { - * if (err.code === 'ENOENT') { - * console.error('myfile does not exist'); - * return; - * } - * - * throw err; - * } - * - * try { - * readMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * ``` - * - * The "not recommended" examples above check for existence and then use the - * file; the "recommended" examples are better because they use the file directly - * and handle the error, if any. - * - * In general, check for the existence of a file only if the file won’t be - * used directly, for example when its existence is a signal from another - * process. - * @since v0.0.2 - * @deprecated Since v1.0.0 - Use {@link stat} or {@link access} instead. - */ - export function exists(path: PathLike, callback: (exists: boolean) => void): void; - /** @deprecated */ - export namespace exists { - /** - * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - */ - function __promisify__(path: PathLike): Promise<boolean>; - } - /** - * Returns `true` if the path exists, `false` otherwise. - * - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link exists}. - * - * `fs.exists()` is deprecated, but `fs.existsSync()` is not. The `callback`parameter to `fs.exists()` accepts parameters that are inconsistent with other - * Node.js callbacks. `fs.existsSync()` does not use a callback. - * - * ```js - * import { existsSync } from 'fs'; - * - * if (existsSync('/etc/passwd')) - * console.log('The path exists.'); - * ``` - * @since v0.1.21 - */ - export function existsSync(path: PathLike): boolean; - export namespace constants { - // File Access Constants - /** Constant for fs.access(). File is visible to the calling process. */ - const F_OK: number; - /** Constant for fs.access(). File can be read by the calling process. */ - const R_OK: number; - /** Constant for fs.access(). File can be written by the calling process. */ - const W_OK: number; - /** Constant for fs.access(). File can be executed by the calling process. */ - const X_OK: number; - // File Copy Constants - /** Constant for fs.copyFile. Flag indicating the destination file should not be overwritten if it already exists. */ - const COPYFILE_EXCL: number; - /** - * Constant for fs.copyFile. copy operation will attempt to create a copy-on-write reflink. - * If the underlying platform does not support copy-on-write, then a fallback copy mechanism is used. - */ - const COPYFILE_FICLONE: number; - /** - * Constant for fs.copyFile. Copy operation will attempt to create a copy-on-write reflink. - * If the underlying platform does not support copy-on-write, then the operation will fail with an error. - */ - const COPYFILE_FICLONE_FORCE: number; - // File Open Constants - /** Constant for fs.open(). Flag indicating to open a file for read-only access. */ - const O_RDONLY: number; - /** Constant for fs.open(). Flag indicating to open a file for write-only access. */ - const O_WRONLY: number; - /** Constant for fs.open(). Flag indicating to open a file for read-write access. */ - const O_RDWR: number; - /** Constant for fs.open(). Flag indicating to create the file if it does not already exist. */ - const O_CREAT: number; - /** Constant for fs.open(). Flag indicating that opening a file should fail if the O_CREAT flag is set and the file already exists. */ - const O_EXCL: number; - /** - * Constant for fs.open(). Flag indicating that if path identifies a terminal device, - * opening the path shall not cause that terminal to become the controlling terminal for the process - * (if the process does not already have one). - */ - const O_NOCTTY: number; - /** Constant for fs.open(). Flag indicating that if the file exists and is a regular file, and the file is opened successfully for write access, its length shall be truncated to zero. */ - const O_TRUNC: number; - /** Constant for fs.open(). Flag indicating that data will be appended to the end of the file. */ - const O_APPEND: number; - /** Constant for fs.open(). Flag indicating that the open should fail if the path is not a directory. */ - const O_DIRECTORY: number; - /** - * constant for fs.open(). - * Flag indicating reading accesses to the file system will no longer result in - * an update to the atime information associated with the file. - * This flag is available on Linux operating systems only. - */ - const O_NOATIME: number; - /** Constant for fs.open(). Flag indicating that the open should fail if the path is a symbolic link. */ - const O_NOFOLLOW: number; - /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O. */ - const O_SYNC: number; - /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O with write operations waiting for data integrity. */ - const O_DSYNC: number; - /** Constant for fs.open(). Flag indicating to open the symbolic link itself rather than the resource it is pointing to. */ - const O_SYMLINK: number; - /** Constant for fs.open(). When set, an attempt will be made to minimize caching effects of file I/O. */ - const O_DIRECT: number; - /** Constant for fs.open(). Flag indicating to open the file in nonblocking mode when possible. */ - const O_NONBLOCK: number; - // File Type Constants - /** Constant for fs.Stats mode property for determining a file's type. Bit mask used to extract the file type code. */ - const S_IFMT: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a regular file. */ - const S_IFREG: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a directory. */ - const S_IFDIR: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a character-oriented device file. */ - const S_IFCHR: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a block-oriented device file. */ - const S_IFBLK: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a FIFO/pipe. */ - const S_IFIFO: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a symbolic link. */ - const S_IFLNK: number; - /** Constant for fs.Stats mode property for determining a file's type. File type constant for a socket. */ - const S_IFSOCK: number; - // File Mode Constants - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by owner. */ - const S_IRWXU: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by owner. */ - const S_IRUSR: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by owner. */ - const S_IWUSR: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by owner. */ - const S_IXUSR: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by group. */ - const S_IRWXG: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by group. */ - const S_IRGRP: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by group. */ - const S_IWGRP: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by group. */ - const S_IXGRP: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by others. */ - const S_IRWXO: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by others. */ - const S_IROTH: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by others. */ - const S_IWOTH: number; - /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by others. */ - const S_IXOTH: number; - /** - * When set, a memory file mapping is used to access the file. This flag - * is available on Windows operating systems only. On other operating systems, - * this flag is ignored. - */ - const UV_FS_O_FILEMAP: number; - } - /** - * Tests a user's permissions for the file or directory specified by `path`. - * The `mode` argument is an optional integer that specifies the accessibility - * checks to be performed. `mode` should be either the value `fs.constants.F_OK`or a mask consisting of the bitwise OR of any of `fs.constants.R_OK`,`fs.constants.W_OK`, and `fs.constants.X_OK` - * (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for - * possible values of `mode`. - * - * The final argument, `callback`, is a callback function that is invoked with - * a possible error argument. If any of the accessibility checks fail, the error - * argument will be an `Error` object. The following examples check if`package.json` exists, and if it is readable or writable. - * - * ```js - * import { access, constants } from 'fs'; - * - * const file = 'package.json'; - * - * // Check if the file exists in the current directory. - * access(file, constants.F_OK, (err) => { - * console.log(`${file} ${err ? 'does not exist' : 'exists'}`); - * }); - * - * // Check if the file is readable. - * access(file, constants.R_OK, (err) => { - * console.log(`${file} ${err ? 'is not readable' : 'is readable'}`); - * }); - * - * // Check if the file is writable. - * access(file, constants.W_OK, (err) => { - * console.log(`${file} ${err ? 'is not writable' : 'is writable'}`); - * }); - * - * // Check if the file is readable and writable. - * access(file, constants.R_OK | constants.W_OK, (err) => { - * console.log(`${file} ${err ? 'is not' : 'is'} readable and writable`); - * }); - * ``` - * - * Do not use `fs.access()` to check for the accessibility of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()`. Doing - * so introduces a race condition, since other processes may change the file's - * state between the two calls. Instead, user code should open/read/write the - * file directly and handle the error raised if the file is not accessible. - * - * **write (NOT RECOMMENDED)** - * - * ```js - * import { access, open, close } from 'fs'; - * - * access('myfile', (err) => { - * if (!err) { - * console.error('myfile already exists'); - * return; - * } - * - * open('myfile', 'wx', (err, fd) => { - * if (err) throw err; - * - * try { - * writeMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * }); - * ``` - * - * **write (RECOMMENDED)** - * - * ```js - * import { open, close } from 'fs'; - * - * open('myfile', 'wx', (err, fd) => { - * if (err) { - * if (err.code === 'EEXIST') { - * console.error('myfile already exists'); - * return; - * } - * - * throw err; - * } - * - * try { - * writeMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * ``` - * - * **read (NOT RECOMMENDED)** - * - * ```js - * import { access, open, close } from 'fs'; - * access('myfile', (err) => { - * if (err) { - * if (err.code === 'ENOENT') { - * console.error('myfile does not exist'); - * return; - * } - * - * throw err; - * } - * - * open('myfile', 'r', (err, fd) => { - * if (err) throw err; - * - * try { - * readMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * }); - * ``` - * - * **read (RECOMMENDED)** - * - * ```js - * import { open, close } from 'fs'; - * - * open('myfile', 'r', (err, fd) => { - * if (err) { - * if (err.code === 'ENOENT') { - * console.error('myfile does not exist'); - * return; - * } - * - * throw err; - * } - * - * try { - * readMyData(fd); - * } finally { - * close(fd, (err) => { - * if (err) throw err; - * }); - * } - * }); - * ``` - * - * The "not recommended" examples above check for accessibility and then use the - * file; the "recommended" examples are better because they use the file directly - * and handle the error, if any. - * - * In general, check for the accessibility of a file only if the file will not be - * used directly, for example when its accessibility is a signal from another - * process. - * - * On Windows, access-control policies (ACLs) on a directory may limit access to - * a file or directory. The `fs.access()` function, however, does not check the - * ACL and therefore may report that a path is accessible even if the ACL restricts - * the user from reading or writing to it. - * @since v0.11.15 - * @param [mode=fs.constants.F_OK] - */ - export function access(path: PathLike, mode: number | undefined, callback: NoParamCallback): void; - /** - * Asynchronously tests a user's permissions for the file specified by path. - * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - */ - export function access(path: PathLike, callback: NoParamCallback): void; - export namespace access { - /** - * Asynchronously tests a user's permissions for the file specified by path. - * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol. - * URL support is _experimental_. - */ - function __promisify__(path: PathLike, mode?: number): Promise<void>; - } - /** - * Synchronously tests a user's permissions for the file or directory specified - * by `path`. The `mode` argument is an optional integer that specifies the - * accessibility checks to be performed. `mode` should be either the value`fs.constants.F_OK` or a mask consisting of the bitwise OR of any of`fs.constants.R_OK`, `fs.constants.W_OK`, and - * `fs.constants.X_OK` (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for - * possible values of `mode`. - * - * If any of the accessibility checks fail, an `Error` will be thrown. Otherwise, - * the method will return `undefined`. - * - * ```js - * import { accessSync, constants } from 'fs'; - * - * try { - * accessSync('etc/passwd', constants.R_OK | constants.W_OK); - * console.log('can read/write'); - * } catch (err) { - * console.error('no access!'); - * } - * ``` - * @since v0.11.15 - * @param [mode=fs.constants.F_OK] - */ - export function accessSync(path: PathLike, mode?: number): void; - interface StreamOptions { - flags?: string | undefined; - encoding?: BufferEncoding | undefined; - fd?: number | promises.FileHandle | undefined; - mode?: number | undefined; - autoClose?: boolean | undefined; - /** - * @default false - */ - emitClose?: boolean | undefined; - start?: number | undefined; - highWaterMark?: number | undefined; - } - interface ReadStreamOptions extends StreamOptions { - end?: number | undefined; - } - /** - * Unlike the 16 kb default `highWaterMark` for a `stream.Readable`, the stream - * returned by this method has a default `highWaterMark` of 64 kb. - * - * `options` can include `start` and `end` values to read a range of bytes from - * the file instead of the entire file. Both `start` and `end` are inclusive and - * start counting at 0, allowed values are in the - * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. If `fd` is specified and `start` is - * omitted or `undefined`, `fs.createReadStream()` reads sequentially from the - * current file position. The `encoding` can be any one of those accepted by `Buffer`. - * - * If `fd` is specified, `ReadStream` will ignore the `path` argument and will use - * the specified file descriptor. This means that no `'open'` event will be - * emitted. `fd` should be blocking; non-blocking `fd`s should be passed to `net.Socket`. - * - * If `fd` points to a character device that only supports blocking reads - * (such as keyboard or sound card), read operations do not finish until data is - * available. This can prevent the process from exiting and the stream from - * closing naturally. - * - * By default, the stream will emit a `'close'` event after it has been - * destroyed. Set the `emitClose` option to `false` to change this behavior. - * - * By providing the `fs` option, it is possible to override the corresponding `fs`implementations for `open`, `read`, and `close`. When providing the `fs` option, - * an override for `read` is required. If no `fd` is provided, an override for`open` is also required. If `autoClose` is `true`, an override for `close` is - * also required. - * - * ```js - * import { createReadStream } from 'fs'; - * - * // Create a stream from some character device. - * const stream = createReadStream('/dev/input/event0'); - * setTimeout(() => { - * stream.close(); // This may not close the stream. - * // Artificially marking end-of-stream, as if the underlying resource had - * // indicated end-of-file by itself, allows the stream to close. - * // This does not cancel pending read operations, and if there is such an - * // operation, the process may still not be able to exit successfully - * // until it finishes. - * stream.push(null); - * stream.read(0); - * }, 100); - * ``` - * - * If `autoClose` is false, then the file descriptor won't be closed, even if - * there's an error. It is the application's responsibility to close it and make - * sure there's no file descriptor leak. If `autoClose` is set to true (default - * behavior), on `'error'` or `'end'` the file descriptor will be closed - * automatically. - * - * `mode` sets the file mode (permission and sticky bits), but only if the - * file was created. - * - * An example to read the last 10 bytes of a file which is 100 bytes long: - * - * ```js - * import { createReadStream } from 'fs'; - * - * createReadStream('sample.txt', { start: 90, end: 99 }); - * ``` - * - * If `options` is a string, then it specifies the encoding. - * @since v0.1.31 - */ - export function createReadStream(path: PathLike, options?: BufferEncoding | ReadStreamOptions): ReadStream; - /** - * `options` may also include a `start` option to allow writing data at some - * position past the beginning of the file, allowed values are in the - * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. Modifying a file rather than - * replacing it may require the `flags` option to be set to `r+` rather than the - * default `w`. The `encoding` can be any one of those accepted by `Buffer`. - * - * If `autoClose` is set to true (default behavior) on `'error'` or `'finish'`the file descriptor will be closed automatically. If `autoClose` is false, - * then the file descriptor won't be closed, even if there's an error. - * It is the application's responsibility to close it and make sure there's no - * file descriptor leak. - * - * By default, the stream will emit a `'close'` event after it has been - * destroyed. Set the `emitClose` option to `false` to change this behavior. - * - * By providing the `fs` option it is possible to override the corresponding `fs`implementations for `open`, `write`, `writev` and `close`. Overriding `write()`without `writev()` can reduce - * performance as some optimizations (`_writev()`) - * will be disabled. When providing the `fs` option, overrides for at least one of`write` and `writev` are required. If no `fd` option is supplied, an override - * for `open` is also required. If `autoClose` is `true`, an override for `close`is also required. - * - * Like `fs.ReadStream`, if `fd` is specified, `fs.WriteStream` will ignore the`path` argument and will use the specified file descriptor. This means that no`'open'` event will be - * emitted. `fd` should be blocking; non-blocking `fd`s - * should be passed to `net.Socket`. - * - * If `options` is a string, then it specifies the encoding. - * @since v0.1.31 - */ - export function createWriteStream(path: PathLike, options?: BufferEncoding | StreamOptions): WriteStream; - /** - * Forces all currently queued I/O operations associated with the file to the - * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. No arguments other - * than a possible - * exception are given to the completion callback. - * @since v0.1.96 - */ - export function fdatasync(fd: number, callback: NoParamCallback): void; - export namespace fdatasync { - /** - * Asynchronous fdatasync(2) - synchronize a file's in-core state with storage device. - * @param fd A file descriptor. - */ - function __promisify__(fd: number): Promise<void>; - } - /** - * Forces all currently queued I/O operations associated with the file to the - * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. Returns `undefined`. - * @since v0.1.96 - */ - export function fdatasyncSync(fd: number): void; - /** - * Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it - * already exists. No arguments other than a possible exception are given to the - * callback function. Node.js makes no guarantees about the atomicity of the copy - * operation. If an error occurs after the destination file has been opened for - * writing, Node.js will attempt to remove the destination. - * - * `mode` is an optional integer that specifies the behavior - * of the copy operation. It is possible to create a mask consisting of the bitwise - * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`). - * - * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already - * exists. - * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a - * copy-on-write reflink. If the platform does not support copy-on-write, then a - * fallback copy mechanism is used. - * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to - * create a copy-on-write reflink. If the platform does not support - * copy-on-write, then the operation will fail. - * - * ```js - * import { copyFile, constants } from 'fs'; - * - * function callback(err) { - * if (err) throw err; - * console.log('source.txt was copied to destination.txt'); - * } - * - * // destination.txt will be created or overwritten by default. - * copyFile('source.txt', 'destination.txt', callback); - * - * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists. - * copyFile('source.txt', 'destination.txt', constants.COPYFILE_EXCL, callback); - * ``` - * @since v8.5.0 - * @param src source filename to copy - * @param dest destination filename of the copy operation - * @param [mode=0] modifiers for copy operation. - */ - export function copyFile(src: PathLike, dest: PathLike, callback: NoParamCallback): void; - export function copyFile(src: PathLike, dest: PathLike, mode: number, callback: NoParamCallback): void; - export namespace copyFile { - function __promisify__(src: PathLike, dst: PathLike, mode?: number): Promise<void>; - } - /** - * Synchronously copies `src` to `dest`. By default, `dest` is overwritten if it - * already exists. Returns `undefined`. Node.js makes no guarantees about the - * atomicity of the copy operation. If an error occurs after the destination file - * has been opened for writing, Node.js will attempt to remove the destination. - * - * `mode` is an optional integer that specifies the behavior - * of the copy operation. It is possible to create a mask consisting of the bitwise - * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`). - * - * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already - * exists. - * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a - * copy-on-write reflink. If the platform does not support copy-on-write, then a - * fallback copy mechanism is used. - * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to - * create a copy-on-write reflink. If the platform does not support - * copy-on-write, then the operation will fail. - * - * ```js - * import { copyFileSync, constants } from 'fs'; - * - * // destination.txt will be created or overwritten by default. - * copyFileSync('source.txt', 'destination.txt'); - * console.log('source.txt was copied to destination.txt'); - * - * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists. - * copyFileSync('source.txt', 'destination.txt', constants.COPYFILE_EXCL); - * ``` - * @since v8.5.0 - * @param src source filename to copy - * @param dest destination filename of the copy operation - * @param [mode=0] modifiers for copy operation. - */ - export function copyFileSync(src: PathLike, dest: PathLike, mode?: number): void; - /** - * Write an array of `ArrayBufferView`s to the file specified by `fd` using`writev()`. - * - * `position` is the offset from the beginning of the file where this data - * should be written. If `typeof position !== 'number'`, the data will be written - * at the current position. - * - * The callback will be given three arguments: `err`, `bytesWritten`, and`buffers`. `bytesWritten` is how many bytes were written from `buffers`. - * - * If this method is `util.promisify()` ed, it returns a promise for an`Object` with `bytesWritten` and `buffers` properties. - * - * It is unsafe to use `fs.writev()` multiple times on the same file without - * waiting for the callback. For this scenario, use {@link createWriteStream}. - * - * On Linux, positional writes don't work when the file is opened in append mode. - * The kernel ignores the position argument and always appends the data to - * the end of the file. - * @since v12.9.0 - */ - export function writev(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, cb: (err: NodeJS.ErrnoException | null, bytesWritten: number, buffers: NodeJS.ArrayBufferView[]) => void): void; - export function writev( - fd: number, - buffers: ReadonlyArray<NodeJS.ArrayBufferView>, - position: number, - cb: (err: NodeJS.ErrnoException | null, bytesWritten: number, buffers: NodeJS.ArrayBufferView[]) => void - ): void; - export interface WriteVResult { - bytesWritten: number; - buffers: NodeJS.ArrayBufferView[]; - } - export namespace writev { - function __promisify__(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<WriteVResult>; - } - /** - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link writev}. - * @since v12.9.0 - * @return The number of bytes written. - */ - export function writevSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number; - /** - * Read from a file specified by `fd` and write to an array of `ArrayBufferView`s - * using `readv()`. - * - * `position` is the offset from the beginning of the file from where data - * should be read. If `typeof position !== 'number'`, the data will be read - * from the current position. - * - * The callback will be given three arguments: `err`, `bytesRead`, and`buffers`. `bytesRead` is how many bytes were read from the file. - * - * If this method is invoked as its `util.promisify()` ed version, it returns - * a promise for an `Object` with `bytesRead` and `buffers` properties. - * @since v13.13.0, v12.17.0 - */ - export function readv(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, cb: (err: NodeJS.ErrnoException | null, bytesRead: number, buffers: NodeJS.ArrayBufferView[]) => void): void; - export function readv( - fd: number, - buffers: ReadonlyArray<NodeJS.ArrayBufferView>, - position: number, - cb: (err: NodeJS.ErrnoException | null, bytesRead: number, buffers: NodeJS.ArrayBufferView[]) => void - ): void; - export interface ReadVResult { - bytesRead: number; - buffers: NodeJS.ArrayBufferView[]; - } - export namespace readv { - function __promisify__(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<ReadVResult>; - } - /** - * For detailed information, see the documentation of the asynchronous version of - * this API: {@link readv}. - * @since v13.13.0, v12.17.0 - * @return The number of bytes read. - */ - export function readvSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number; - export interface OpenDirOptions { - encoding?: BufferEncoding | undefined; - /** - * Number of directory entries that are buffered - * internally when reading from the directory. Higher values lead to better - * performance but higher memory usage. - * @default 32 - */ - bufferSize?: number | undefined; - } - /** - * Synchronously open a directory. See [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html). - * - * Creates an `fs.Dir`, which contains all further functions for reading from - * and cleaning up the directory. - * - * The `encoding` option sets the encoding for the `path` while opening the - * directory and subsequent read operations. - * @since v12.12.0 - */ - export function opendirSync(path: PathLike, options?: OpenDirOptions): Dir; - /** - * Asynchronously open a directory. See the POSIX [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html) documentation for - * more details. - * - * Creates an `fs.Dir`, which contains all further functions for reading from - * and cleaning up the directory. - * - * The `encoding` option sets the encoding for the `path` while opening the - * directory and subsequent read operations. - * @since v12.12.0 - */ - export function opendir(path: PathLike, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void; - export function opendir(path: PathLike, options: OpenDirOptions, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void; - export namespace opendir { - function __promisify__(path: PathLike, options?: OpenDirOptions): Promise<Dir>; - } - export interface BigIntStats extends StatsBase<bigint> { - atimeNs: bigint; - mtimeNs: bigint; - ctimeNs: bigint; - birthtimeNs: bigint; - } - export interface BigIntOptions { - bigint: true; - } - export interface StatOptions { - bigint?: boolean | undefined; - } - export interface StatSyncOptions extends StatOptions { - throwIfNoEntry?: boolean | undefined; - } - interface CopyOptionsBase { - /** - * Dereference symlinks - * @default false - */ - dereference?: boolean; - /** - * When `force` is `false`, and the destination - * exists, throw an error. - * @default false - */ - errorOnExist?: boolean; - /** - * Overwrite existing file or directory. _The copy - * operation will ignore errors if you set this to false and the destination - * exists. Use the `errorOnExist` option to change this behavior. - * @default true - */ - force?: boolean; - /** - * When `true` timestamps from `src` will - * be preserved. - * @default false - */ - preserveTimestamps?: boolean; - /** - * Copy directories recursively. - * @default false - */ - recursive?: boolean; - /** - * When true, path resolution for symlinks will be skipped - * @default false - */ - verbatimSymlinks?: boolean; - } - export interface CopyOptions extends CopyOptionsBase { - /** - * Function to filter copied files/directories. Return - * `true` to copy the item, `false` to ignore it. - */ - filter?(source: string, destination: string): boolean | Promise<boolean>; - } - export interface CopySyncOptions extends CopyOptionsBase { - /** - * Function to filter copied files/directories. Return - * `true` to copy the item, `false` to ignore it. - */ - filter?(source: string, destination: string): boolean; - } - /** - * Asynchronously copies the entire directory structure from `src` to `dest`, - * including subdirectories and files. - * - * When copying a directory to another directory, globs are not supported and - * behavior is similar to `cp dir1/ dir2/`. - * @since v16.7.0 - * @experimental - * @param src source path to copy. - * @param dest destination path to copy to. - */ - export function cp(source: string | URL, destination: string | URL, callback: (err: NodeJS.ErrnoException | null) => void): void; - export function cp(source: string | URL, destination: string | URL, opts: CopyOptions, callback: (err: NodeJS.ErrnoException | null) => void): void; - /** - * Synchronously copies the entire directory structure from `src` to `dest`, - * including subdirectories and files. - * - * When copying a directory to another directory, globs are not supported and - * behavior is similar to `cp dir1/ dir2/`. - * @since v16.7.0 - * @experimental - * @param src source path to copy. - * @param dest destination path to copy to. - */ - export function cpSync(source: string | URL, destination: string | URL, opts?: CopySyncOptions): void; -} -declare module 'node:fs' { - export * from 'fs'; -} |