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.

EncodingOption

typealias EncodingOption = Any?

FileChangeInfo

sealed external interface FileChangeInfo<T : Any>

FileHandle

sealed external interface FileHandle

FileHandleAppendFileAsyncOptions

sealed external interface FileHandleAppendFileAsyncOptions : ObjectEncodingOptions, FlagAndOpenMode

FileHandleReadFileAsyncOptions

sealed external interface FileHandleReadFileAsyncOptions : ObjectEncodingOptions

FileHandleReadFileBufferAsyncOptions

sealed external interface FileHandleReadFileBufferAsyncOptions

FileHandleReadFileStringAsyncOptions

sealed external interface FileHandleReadFileStringAsyncOptions

FileHandleStatBigIntOpts

sealed external interface FileHandleStatBigIntOpts : StatOptions

FileHandleStatOpts

sealed external interface FileHandleStatOpts : StatOptions

FileHandleWriteFileAsyncOptions

sealed external interface FileHandleWriteFileAsyncOptions : ObjectEncodingOptions, FlagAndOpenMode, Abortable

FileHandleWriteResultPayload

sealed external interface FileHandleWriteResultPayload<TBuffer : Uint8Array>

FileHandleWriteStringResultPayload

sealed external interface FileHandleWriteStringResultPayload

FileReadOptions

sealed external interface FileReadOptions<T : ArrayBufferView>

FileReadResult

sealed external interface FileReadResult<T : ArrayBufferView>

FlagAndOpenMode

sealed external interface FlagAndOpenMode

FSImplementation

sealed external interface FSImplementation

FstatBigIntOptions

sealed external interface FstatBigIntOptions : StatOptions

FstatOptions

sealed external interface FstatOptions : StatOptions

FstatSyncBigIntOptions

sealed external interface FstatSyncBigIntOptions : StatOptions

FstatSyncOptions

sealed external interface FstatSyncOptions : StatOptions

FSWatcher

sealed external interface FSWatcher : EventEmitter

FSWatcherEvent

sealed external interface FSWatcherEvent

GlobOptions

sealed external interface GlobOptions

GlobOptionsWithFileTypes

sealed external interface GlobOptionsWithFileTypes : GlobOptions

GlobOptionsWithoutFileTypes

sealed external interface GlobOptionsWithoutFileTypes : GlobOptions

LstatBigIntOptions

sealed external interface LstatBigIntOptions : StatOptions

LstatBigIntOpts

sealed external interface LstatBigIntOpts : StatOptions

LstatOptions

sealed external interface LstatOptions : StatOptions

LstatOpts

sealed external interface LstatOpts : StatOptions

MakeDirectoryOptions

sealed external interface MakeDirectoryOptions

MkdirAsyncOptions

sealed external interface MkdirAsyncOptions : MakeDirectoryOptions

MkdirOptions

sealed external interface MkdirOptions : MakeDirectoryOptions

MkdirRecursiveAsyncOptions

sealed external interface MkdirRecursiveAsyncOptions : MakeDirectoryOptions

MkdirRecursiveOptions

sealed external interface MkdirRecursiveOptions : MakeDirectoryOptions

MkdirSyncOptions

sealed external interface MkdirSyncOptions : MakeDirectoryOptions

MkdirSyncRecursiveOptions

sealed external interface MkdirSyncRecursiveOptions : MakeDirectoryOptions

MkdtempOptions

sealed external interface MkdtempOptions

Mode

typealias Mode = Any

NoParamCallback

typealias NoParamCallback = (err: ErrnoException?) -> Unit

ObjectEncodingOptions

external interface ObjectEncodingOptions

OpenAsBlobOptions

sealed external interface OpenAsBlobOptions

OpenDirOptions

sealed external interface OpenDirOptions

OpenMode

typealias OpenMode = Any

PathLike

typealias PathLike = Any

Valid types for path values in "fs".

PathOrFileDescriptor

typealias PathOrFileDescriptor = Any

ReadableWebStreamOptions

sealed external interface ReadableWebStreamOptions

ReadAsyncOptions

sealed external interface ReadAsyncOptions<TBuffer : ArrayBufferView> : ReadSyncOptions

ReaddirAsyncOptions

sealed external interface ReaddirAsyncOptions : ObjectEncodingOptions

ReaddirBufferAsyncOptions

sealed external interface ReaddirBufferAsyncOptions

ReaddirBufferOptions

sealed external interface ReaddirBufferOptions

ReaddirOptions

sealed external interface ReaddirOptions : ObjectEncodingOptions

ReaddirStringOptions

sealed external interface ReaddirStringOptions

ReaddirSyncBufferOptions

sealed external interface ReaddirSyncBufferOptions

ReaddirSyncOptions

sealed external interface ReaddirSyncOptions : ObjectEncodingOptions

ReaddirSyncStringOptions

sealed external interface ReaddirSyncStringOptions

ReaddirSyncWithFileTypesOptions

sealed external interface ReaddirSyncWithFileTypesOptions : ObjectEncodingOptions

ReaddirWithFileTypesAsyncOptions

sealed external interface ReaddirWithFileTypesAsyncOptions : ObjectEncodingOptions

ReaddirWithFileTypesOptions

sealed external interface ReaddirWithFileTypesOptions : ObjectEncodingOptions

ReadFileAsyncOptions

sealed external interface ReadFileAsyncOptions : ObjectEncodingOptions, Abortable

ReadFileBufferAsyncOptions

sealed external interface ReadFileBufferAsyncOptions : Abortable

ReadFileBufferOptions

sealed external interface ReadFileBufferOptions : Abortable

ReadFileOptions

sealed external interface ReadFileOptions : ObjectEncodingOptions, Abortable

ReadFileStringAsyncOptions

sealed external interface ReadFileStringAsyncOptions : Abortable

ReadFileStringOptions

sealed external interface ReadFileStringOptions : Abortable

ReadFileSyncBufferOptions

sealed external interface ReadFileSyncBufferOptions

ReadFileSyncOptions

sealed external interface ReadFileSyncOptions : ObjectEncodingOptions

ReadFileSyncStringOptions

sealed external interface ReadFileSyncStringOptions

ReadPosition

typealias ReadPosition = Any

ReadStream

external class ReadStream : Readable

Instances of fs.ReadStream are created and returned using the {@link createReadStream} function.

ReadStreamEvent

sealed external interface ReadStreamEvent

ReadStreamOptions

sealed external interface ReadStreamOptions : StreamOptions

ReadSyncOptions

sealed external interface ReadSyncOptions

ReadVResult

sealed external interface ReadVResult

RmDirOptions

sealed external interface RmDirOptions

RmOptions

sealed external interface RmOptions

StatBigIntOptions

sealed external interface StatBigIntOptions : StatOptions

StatBigIntOpts

sealed external interface StatBigIntOpts : StatOptions

StatfsBigIntOptions

sealed external interface StatfsBigIntOptions : StatFsOptions

StatfsBigIntOpts

sealed external interface StatfsBigIntOpts : StatFsOptions

StatFsOptions

sealed external interface StatFsOptions

StatfsOptions

sealed external interface StatfsOptions : StatFsOptions

StatfsOpts

sealed external interface StatfsOpts : StatFsOptions

StatfsSyncBigIntOptions

sealed external interface StatfsSyncBigIntOptions : StatFsOptions

StatfsSyncOptions

sealed external interface StatfsSyncOptions : StatFsOptions

StatOptions

sealed external interface StatOptions

Stats

external class Stats : StatsBase<Double>

A fs.Stats object provides information about a file.

StatsBase

sealed external interface StatsBase<T>

StatsFs

external class StatsFs : StatsFsBase<Double>

Provides information about a mounted file system.

StatsFsBase

sealed external interface StatsFsBase<T>

StatSimpleOptions

sealed external interface StatSimpleOptions : StatOptions

StatSimpleOpts

sealed external interface StatSimpleOpts : StatOptions

StatsListener

typealias StatsListener = (curr: Stats, prev: Stats) -> Unit

StatSyncFn

sealed external interface StatSyncFn

StatSyncFnBigIntOptions

sealed external interface StatSyncFnBigIntOptions : StatSyncOptions

StatSyncFnBigIntThrowIfNoEntryOptions

sealed external interface StatSyncFnBigIntThrowIfNoEntryOptions : StatSyncOptions

StatSyncFnOptions

sealed external interface StatSyncFnOptions : StatSyncOptions

StatSyncFnSimpleOptions

sealed external interface StatSyncFnSimpleOptions : StatSyncOptions

StatSyncFnSimpleThrowIfNoEntryOptions

sealed external interface StatSyncFnSimpleThrowIfNoEntryOptions : StatSyncOptions

StatSyncOptions

sealed external interface StatSyncOptions : StatOptions

StatWatcher

sealed external interface StatWatcher : EventEmitter

Class: fs.StatWatcher

StreamOptions

sealed external interface StreamOptions

SymlinkType

sealed external interface SymlinkType

TimeLike

typealias TimeLike = Any

WatchBufferAsyncOptions

sealed external interface WatchBufferAsyncOptions : WatchOptions

WatchBufferOptions

sealed external interface WatchBufferOptions : WatchOptions

WatchEventType

sealed external interface WatchEventType

WatchFileBigIntOptions

sealed external interface WatchFileBigIntOptions : WatchFileOptions

WatchFileOptions

sealed external interface WatchFileOptions

Watch for changes on filename. The callback listener will be called each time the file is accessed.

WatchFileSimpleOptions

sealed external interface WatchFileSimpleOptions : WatchFileOptions

WatchListener

typealias WatchListener<T> = (event: WatchEventType, filename: T?) -> Unit

WatchOptions

sealed external interface WatchOptions : Abortable

WriteFileAsyncOptions

sealed external interface WriteFileAsyncOptions : ObjectEncodingOptions, Abortable

WriteFileOptions

typealias WriteFileOptions = Any?

WriteStream

external class WriteStream : Writable

Instances of fs.WriteStream are created and returned using the {@link createWriteStream} function.

WriteStreamEvent

sealed external interface WriteStreamEvent

WriteStreamOptions

sealed external interface WriteStreamOptions : StreamOptions

WriteVResult

sealed external interface WriteVResult

Properties

constants

external val constants: Any?

lstatSync

external val lstatSync: StatSyncFn

Synchronous lstat(2) - Get file status. Does not dereference symbolic links.

statSync

external val statSync: StatSyncFn

Synchronous stat(2) - Get file status.

Functions

access

external fun access(path: PathLike, callback: NoParamCallback)

Asynchronously tests a user's permissions for the file specified by path.

suspend fun access(path: PathLike, mode: Number = undefined.unsafeCast<Nothing>()): Void

external fun access(path: PathLike, mode: Double?, callback: NoParamCallback)

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.

accessAsync

external fun accessAsync(path: PathLike, mode: Number = definedExternally): Promise<Void>

accessSync

external fun accessSync(path: PathLike, mode: Number = definedExternally)

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.

appendFile

suspend fun appendFile(path: PathLike, data: Uint8Array): Void

suspend fun appendFile(path: FileHandle, data: Uint8Array): Void

suspend fun appendFile(path: FileHandle, data: String): Void

suspend fun appendFile(path: PathLike, data: Uint8Array, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: PathLike, data: Uint8Array, options: AppendFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: PathLike, data: String, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: PathLike, data: String, options: AppendFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: FileHandle, data: Uint8Array, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: FileHandle, data: Uint8Array, options: AppendFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: FileHandle, data: String, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun appendFile(path: FileHandle, data: String, options: AppendFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

external fun appendFile(path: PathOrFileDescriptor, data: Uint8Array, options: WriteFileOptions, callback: NoParamCallback)

external fun appendFile(path: PathOrFileDescriptor, data: String, options: WriteFileOptions, callback: NoParamCallback)

Asynchronously append data to a file, creating the file if it does not yet exist. data can be a string or a Buffer.

suspend fun appendFile(path: PathLike, data: String): Void

external fun appendFile(file: PathOrFileDescriptor, data: Uint8Array, callback: NoParamCallback)

external fun appendFile(file: PathOrFileDescriptor, data: String, callback: NoParamCallback)

Asynchronously append data to a file, creating the file if it does not exist.

appendFileAsync

external fun appendFileAsync(path: PathLike, data: Uint8Array): Promise<Void>

external fun appendFileAsync(path: PathLike, data: String): Promise<Void>

external fun appendFileAsync(path: FileHandle, data: Uint8Array): Promise<Void>

external fun appendFileAsync(path: FileHandle, data: String): Promise<Void>

external fun appendFileAsync(path: PathLike, data: Uint8Array, options: BufferEncoding? = definedExternally): Promise<Void>

external fun appendFileAsync(path: PathLike, data: Uint8Array, options: AppendFileAsyncOptions? = definedExternally): Promise<Void>

external fun appendFileAsync(path: PathLike, data: String, options: BufferEncoding? = definedExternally): Promise<Void>

external fun appendFileAsync(path: PathLike, data: String, options: AppendFileAsyncOptions? = definedExternally): Promise<Void>

external fun appendFileAsync(path: FileHandle, data: Uint8Array, options: BufferEncoding? = definedExternally): Promise<Void>

external fun appendFileAsync(path: FileHandle, data: Uint8Array, options: AppendFileAsyncOptions? = definedExternally): Promise<Void>

external fun appendFileAsync(path: FileHandle, data: String, options: BufferEncoding? = definedExternally): Promise<Void>

external fun appendFileAsync(path: FileHandle, data: String, options: AppendFileAsyncOptions? = definedExternally): Promise<Void>

Asynchronously append data to a file, creating the file if it does not yet exist. data can be a string or a Buffer.

appendFileSync

external fun appendFileSync(path: PathOrFileDescriptor, data: Uint8Array, options: WriteFileOptions = definedExternally)

external fun appendFileSync(path: PathOrFileDescriptor, data: String, options: WriteFileOptions = definedExternally)

Synchronously append data to a file, creating the file if it does not yet exist. data can be a string or a Buffer.

chmod

suspend fun chmod(path: PathLike, mode: Mode): Void

external fun chmod(path: PathLike, mode: Mode, callback: NoParamCallback)

Asynchronously changes the permissions of a file. No arguments other than a possible exception are given to the completion callback.

chmodAsync

external fun chmodAsync(path: PathLike, mode: Mode): Promise<Void>

Changes the permissions of a file.

chmodSync

external fun chmodSync(path: PathLike, mode: Mode)

For detailed information, see the documentation of the asynchronous version of this API: {@link chmod}.

chown

suspend fun chown(path: PathLike, uid: Number, gid: Number): Void

external fun chown(path: PathLike, uid: Number, gid: Number, callback: NoParamCallback)

Asynchronously changes owner and group of a file. No arguments other than a possible exception are given to the completion callback.

chownAsync

external fun chownAsync(path: PathLike, uid: Number, gid: Number): Promise<Void>

Changes the ownership of a file.

chownSync

external fun chownSync(path: PathLike, uid: Number, gid: Number)

Synchronously changes owner and group of a file. Returns undefined. This is the synchronous version of {@link chown}.

external fun close(fd: Number, callback: NoParamCallback = definedExternally)

Closes the file descriptor. No arguments other than a possible exception are given to the completion callback.

closeSync

external fun closeSync(fd: Number)

Closes the file descriptor. Returns undefined.

copyFile

external fun copyFile(src: PathLike, dest: PathLike, callback: NoParamCallback)

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.

suspend fun copyFile(src: PathLike, dest: PathLike, mode: Number = undefined.unsafeCast<Nothing>()): Void

external fun copyFile(src: PathLike, dest: PathLike, mode: Number, callback: NoParamCallback)

copyFileAsync

external fun copyFileAsync(src: PathLike, dest: PathLike, mode: Number = definedExternally): Promise<Void>

Asynchronously copies src to dest. By default, dest is overwritten if it already exists.

copyFileSync

external fun copyFileSync(src: PathLike, dest: PathLike, mode: Number = definedExternally)

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.

external fun cp(source: String, destination: String, callback: (err: ErrnoException?) -> Unit)

external fun cp(source: String, destination: URL, callback: (err: ErrnoException?) -> Unit)

suspend fun cp(source: String, destination: URL, opts: CopyOptions = undefined.unsafeCast<Nothing>()): Void

external fun cp(source: URL, destination: String, callback: (err: ErrnoException?) -> Unit)

suspend fun cp(source: URL, destination: String, opts: CopyOptions = undefined.unsafeCast<Nothing>()): Void

external fun cp(source: URL, destination: URL, callback: (err: ErrnoException?) -> Unit)

suspend fun cp(source: URL, destination: URL, opts: CopyOptions = undefined.unsafeCast<Nothing>()): Void

Asynchronously copies the entire directory structure from src to dest, including subdirectories and files.

suspend fun cp(source: String, destination: String, opts: CopyOptions = undefined.unsafeCast<Nothing>()): Void

external fun cp(source: String, destination: String, opts: CopyOptions, callback: (err: ErrnoException?) -> Unit)

external fun cp(source: String, destination: URL, opts: CopyOptions, callback: (err: ErrnoException?) -> Unit)

external fun cp(source: URL, destination: String, opts: CopyOptions, callback: (err: ErrnoException?) -> Unit)

external fun cp(source: URL, destination: URL, opts: CopyOptions, callback: (err: ErrnoException?) -> Unit)

cpAsync

external fun cpAsync(source: String, destination: String, opts: CopyOptions = definedExternally): Promise<Void>

external fun cpAsync(source: String, destination: URL, opts: CopyOptions = definedExternally): Promise<Void>

external fun cpAsync(source: URL, destination: String, opts: CopyOptions = definedExternally): Promise<Void>

external fun cpAsync(source: URL, destination: URL, opts: CopyOptions = definedExternally): Promise<Void>

Asynchronously copies the entire directory structure from src to dest, including subdirectories and files.

cpSync

external fun cpSync(source: String, destination: String, opts: CopySyncOptions = definedExternally)

external fun cpSync(source: String, destination: URL, opts: CopySyncOptions = definedExternally)

external fun cpSync(source: URL, destination: String, opts: CopySyncOptions = definedExternally)

external fun cpSync(source: URL, destination: URL, opts: CopySyncOptions = definedExternally)

Synchronously copies the entire directory structure from src to dest, including subdirectories and files.

createReadStream

external fun createReadStream(path: PathLike): ReadStream

external fun createReadStream(path: PathLike, options: BufferEncoding = definedExternally): ReadStream

external fun createReadStream(path: PathLike, options: ReadStreamOptions = definedExternally): ReadStream

Unlike the 16 KiB default highWaterMark for a stream.Readable, the stream returned by this method has a default highWaterMark of 64 KiB.

createWriteStream

external fun createWriteStream(path: PathLike): WriteStream

external fun createWriteStream(path: PathLike, options: BufferEncoding = definedExternally): WriteStream

external fun createWriteStream(path: PathLike, options: WriteStreamOptions = definedExternally): WriteStream

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 \[0, Number.MAX_SAFE_INTEGER\] 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.

exists

suspend fun exists(path: PathLike): Boolean

Returns true if the path exists, false otherwise.

external fun exists(path: PathLike, callback: (exists: Boolean) -> Unit)

Test whether or not the given path exists by checking with the file system. Then call the callback argument with either true or false:

existsAsync

fun existsAsync(path: PathLike): Promise<Boolean>

Returns true if the path exists, false otherwise.

existsSync

external fun existsSync(path: PathLike): Boolean

Returns true if the path exists, false otherwise.

fchmod

external fun fchmod(fd: Number, mode: Mode, callback: NoParamCallback)

Sets the permissions on the file. No arguments other than a possible exception are given to the completion callback.

fchmodSync

external fun fchmodSync(fd: Number, mode: Mode)

Sets the permissions on the file. Returns undefined.

fchown

external fun fchown(fd: Number, uid: Number, gid: Number, callback: NoParamCallback)

Sets the owner of the file. No arguments other than a possible exception are given to the completion callback.

fchownSync

external fun fchownSync(fd: Number, uid: Number, gid: Number)

Sets the owner of the file. Returns undefined.

fdatasync

external fun fdatasync(fd: Number, callback: NoParamCallback)

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) documentation for details. No arguments other than a possible exception are given to the completion callback.

fdatasyncSync

external fun fdatasyncSync(fd: Number)

fstat

external fun fstat(fd: Number, callback: (err: ErrnoException?, stats: Stats) -> Unit)

Invokes the callback with the fs.Stats for the file descriptor.

external fun fstat(fd: Number, options: FstatBigIntOptions, callback: (err: ErrnoException?, stats: BigIntStats) -> Unit)

external fun fstat(fd: Number, options: FstatOptions?, callback: (err: ErrnoException?, stats: Stats) -> Unit)

external fun fstat(fd: Number, options: StatOptions?, callback: (err: ErrnoException?, stats: Any) -> Unit)

fstatSync

external fun fstatSync(fd: Number): Stats

external fun fstatSync(fd: Number, options: FstatSyncBigIntOptions): BigIntStats

external fun fstatSync(fd: Number, options: StatOptions = definedExternally): Any

external fun fstatSync(fd: Number, options: FstatSyncOptions = definedExternally): Stats

Retrieves the fs.Stats for the file descriptor.

fsync

external fun fsync(fd: Number, callback: NoParamCallback)

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) documentation for more detail. No arguments other than a possible exception are given to the completion callback.

fsyncSync

external fun fsyncSync(fd: Number)

ftruncate

external fun ftruncate(fd: Number, callback: NoParamCallback)

Asynchronous ftruncate(2) - Truncate a file to a specified length.

external fun ftruncate(fd: Number, len: Double?, callback: NoParamCallback)

Truncates the file descriptor. No arguments other than a possible exception are given to the completion callback.

ftruncateSync

external fun ftruncateSync(fd: Number, len: Double? = definedExternally)

Truncates the file descriptor. Returns undefined.

futimes

external fun futimes(fd: Number, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback)

Change the file system timestamps of the object referenced by the supplied file descriptor. See {@link utimes}.

futimesSync

external fun futimesSync(fd: Number, atime: TimeLike, mtime: TimeLike)

Synchronous version of {@link futimes}. Returns undefined.

glob

external fun glob(pattern: ReadonlyArray<String>): AsyncIterator<String>

external fun glob(pattern: String): AsyncIterator<String>

external fun glob(pattern: ReadonlyArray<String>, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

external fun glob(pattern: String, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

Retrieves the files matching the specified pattern.

external fun glob(pattern: ReadonlyArray<String>, opt: GlobOptions): Any

external fun glob(pattern: ReadonlyArray<String>, opt: GlobOptionsWithFileTypes): AsyncIterator<Dirent>

external fun glob(pattern: ReadonlyArray<String>, opt: GlobOptionsWithoutFileTypes): AsyncIterator<String>

external fun glob(pattern: String, opt: GlobOptions): Any

external fun glob(pattern: String, opt: GlobOptionsWithFileTypes): AsyncIterator<Dirent>

external fun glob(pattern: String, opt: GlobOptionsWithoutFileTypes): AsyncIterator<String>

external fun glob(pattern: ReadonlyArray<String>, options: GlobOptions, callback: (err: ErrnoException?, matches: Any) -> Unit)

external fun glob(pattern: ReadonlyArray<String>, options: GlobOptionsWithFileTypes, callback: (err: ErrnoException?, ReadonlyArray<Dirent>) -> Unit)

external fun glob(pattern: ReadonlyArray<String>, options: GlobOptionsWithoutFileTypes, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

external fun glob(pattern: String, options: GlobOptions, callback: (err: ErrnoException?, matches: Any) -> Unit)

external fun glob(pattern: String, options: GlobOptionsWithFileTypes, callback: (err: ErrnoException?, ReadonlyArray<Dirent>) -> Unit)

external fun glob(pattern: String, options: GlobOptionsWithoutFileTypes, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

globSync

external fun globSync(pattern: ReadonlyArray<String>): ReadonlyArray<String>

external fun globSync(pattern: String): ReadonlyArray<String>

Retrieves the files matching the specified pattern.

external fun globSync(pattern: ReadonlyArray<String>, options: GlobOptions): Any

external fun globSync(pattern: ReadonlyArray<String>, options: GlobOptionsWithFileTypes): ReadonlyArray<Dirent>

external fun globSync(pattern: ReadonlyArray<String>, options: GlobOptionsWithoutFileTypes): ReadonlyArray<String>

external fun globSync(pattern: String, options: GlobOptions): Any

external fun globSync(pattern: String, options: GlobOptionsWithFileTypes): ReadonlyArray<Dirent>

external fun globSync(pattern: String, options: GlobOptionsWithoutFileTypes): ReadonlyArray<String>

lchmod

suspend fun lchmod(path: PathLike, mode: Mode): Void

external fun lchmod(path: PathLike, mode: Mode, callback: NoParamCallback)

Changes the permissions on a symbolic link. No arguments other than a possible exception are given to the completion callback.

lchmodAsync

external fun lchmodAsync(path: PathLike, mode: Mode): Promise<Void>

Changes the permissions on a symbolic link.

lchmodSync

external fun lchmodSync(path: PathLike, mode: Mode)

Changes the permissions on a symbolic link. Returns undefined.

lchown

suspend fun lchown(path: PathLike, uid: Number, gid: Number): Void

external fun lchown(path: PathLike, uid: Number, gid: Number, callback: NoParamCallback)

Set the owner of the symbolic link. No arguments other than a possible exception are given to the completion callback.

lchownAsync

external fun lchownAsync(path: PathLike, uid: Number, gid: Number): Promise<Void>

Changes the ownership on a symbolic link.

lchownSync

external fun lchownSync(path: PathLike, uid: Number, gid: Number)

Set the owner for the path. Returns undefined.

link

suspend fun link(existingPath: PathLike, newPath: PathLike): Void

external fun link(existingPath: PathLike, newPath: PathLike, callback: NoParamCallback)

Creates a new link from the existingPath to the newPath. See the POSIX link(2) documentation for more detail. No arguments other than a possible exception are given to the completion callback.

linkAsync

external fun linkAsync(existingPath: PathLike, newPath: PathLike): Promise<Void>

Creates a new link from the existingPath to the newPath. See the POSIX link(2) documentation for more detail.

linkSync

external fun linkSync(existingPath: PathLike, newPath: PathLike)

Creates a new link from the existingPath to the newPath. See the POSIX link(2) documentation for more detail. Returns undefined.

lstat

suspend fun lstat(path: PathLike): Stats

suspend fun lstat(path: PathLike, opts: LstatBigIntOpts): BigIntStats

suspend fun lstat(path: PathLike, opts: LstatOpts = undefined.unsafeCast<Nothing>()): Stats

suspend fun lstat(path: PathLike, opts: StatOptions = undefined.unsafeCast<Nothing>()): Any

external fun lstat(path: PathLike, options: LstatBigIntOptions, callback: (err: ErrnoException?, stats: BigIntStats) -> Unit)

external fun lstat(path: PathLike, options: LstatOptions?, callback: (err: ErrnoException?, stats: Stats) -> Unit)

external fun lstat(path: PathLike, options: StatOptions?, callback: (err: ErrnoException?, stats: Any) -> Unit)

external fun lstat(path: PathLike, callback: (err: ErrnoException?, stats: Stats) -> Unit)

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.

lstatAsync

external fun lstatAsync(path: PathLike): Promise<Stats>

external fun lstatAsync(path: PathLike, opts: LstatBigIntOpts): Promise<BigIntStats>

external fun lstatAsync(path: PathLike, opts: StatOptions = definedExternally): Promise<Any>

external fun lstatAsync(path: PathLike, opts: LstatOpts = definedExternally): Promise<Stats>

Equivalent to fsPromises.stat() unless path refers to a symbolic link, in which case the link itself is stat-ed, not the file that it refers to. Refer to the POSIX lstat(2) document for more detail.

lutimes

suspend fun lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike): Void

external fun lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback)

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.

lutimesAsync

external fun lutimesAsync(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<Void>

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.

lutimesSync

external fun lutimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike)

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}.

mkdir

suspend fun mkdir(path: PathLike): Void

suspend fun mkdir(path: PathLike, options: MkdirRecursiveAsyncOptions): String?

suspend fun mkdir(path: PathLike, options: Mode? = undefined.unsafeCast<Nothing>()): Void

suspend fun mkdir(path: PathLike, options: MakeDirectoryOptions? = undefined.unsafeCast<Nothing>()): String?

suspend fun mkdir(path: PathLike, options: MkdirAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

external fun mkdir(path: PathLike, options: Mode?, callback: NoParamCallback)

external fun mkdir(path: PathLike, options: Mode?, callback: (err: ErrnoException?, path: String?) -> Unit)

external fun mkdir(path: PathLike, options: MakeDirectoryOptions?, callback: (err: ErrnoException?, path: String?) -> Unit)

external fun mkdir(path: PathLike, options: MkdirOptions?, callback: NoParamCallback)

Asynchronous mkdir(2) - create a directory.

external fun mkdir(path: PathLike, callback: NoParamCallback)

Asynchronous mkdir(2) - create a directory with a mode of 0o777.

external fun mkdir(path: PathLike, options: MkdirRecursiveOptions, callback: (err: ErrnoException?, path: String?) -> Unit)

Asynchronously creates a directory.

mkdirAsync

external fun mkdirAsync(path: PathLike): Promise<Void>

external fun mkdirAsync(path: PathLike, options: Mode? = definedExternally): Promise<Void>

external fun mkdirAsync(path: PathLike, options: MakeDirectoryOptions? = definedExternally): Promise<String?>

external fun mkdirAsync(path: PathLike, options: MkdirAsyncOptions? = definedExternally): Promise<Void>

Asynchronous mkdir(2) - create a directory.

external fun mkdirAsync(path: PathLike, options: MkdirRecursiveAsyncOptions): Promise<String?>

Asynchronously creates a directory.

mkdirSync

external fun mkdirSync(path: PathLike)

external fun mkdirSync(path: PathLike, options: Mode? = definedExternally)

external fun mkdirSync(path: PathLike, options: MakeDirectoryOptions? = definedExternally): String?

external fun mkdirSync(path: PathLike, options: MkdirSyncOptions? = definedExternally)

Synchronous mkdir(2) - create a directory.

external fun mkdirSync(path: PathLike, options: MkdirSyncRecursiveOptions): String?

Synchronously creates a directory. Returns undefined, or if recursive is true, the first directory path created. This is the synchronous version of {@link mkdir}.

mkdtemp

suspend fun mkdtemp(prefix: String): String

suspend fun mkdtemp(prefix: String, options: BufferEncodingOption): Buffer

external fun mkdtemp(prefix: String, callback: (err: ErrnoException?, folder: String) -> Unit)

external fun mkdtemp(prefix: String, options: EncodingOption, callback: (err: ErrnoException?, folder: Any) -> Unit)

external fun mkdtemp(prefix: String, options: String, callback: (err: ErrnoException?, folder: Buffer) -> Unit)

external fun mkdtemp(prefix: String, options: MkdtempOptions, callback: (err: ErrnoException?, folder: Buffer) -> Unit)

Asynchronously creates a unique temporary directory. Generates six random characters to be appended behind a required prefix to create a unique temporary directory.

suspend fun mkdtemp(prefix: String, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): String

suspend fun mkdtemp(prefix: String, options: ObjectEncodingOptions? = undefined.unsafeCast<Nothing>()): String

Creates a unique temporary directory. A unique directory name is generated by appending six random characters to the end of the provided prefix. 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.

external fun mkdtemp(prefix: String, options: EncodingOption, callback: (err: ErrnoException?, folder: String) -> Unit)

Creates a unique temporary directory.

mkdtempAsync

external fun mkdtempAsync(prefix: String): Promise<String>

external fun mkdtempAsync(prefix: String, options: BufferEncoding? = definedExternally): Promise<String>

external fun mkdtempAsync(prefix: String, options: ObjectEncodingOptions? = definedExternally): Promise<String>

external fun mkdtempAsync(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.

mkdtempSync

external fun mkdtempSync(prefix: String): String

external fun 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.

external fun mkdtempSync(prefix: String, options: EncodingOption = definedExternally): String

Returns the created directory path.

open

suspend fun open(path: PathLike): FileHandle

external fun open(path: PathLike, callback: (err: ErrnoException?, fd: Double) -> Unit)

external fun open(path: PathLike, flags: OpenMode?, callback: (err: ErrnoException?, fd: Double) -> Unit)

Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be 0o666.

suspend fun open(path: PathLike, flags: Double = undefined.unsafeCast<Nothing>(), mode: Mode = undefined.unsafeCast<Nothing>()): FileHandle

suspend fun open(path: PathLike, flags: String = undefined.unsafeCast<Nothing>(), mode: Mode = undefined.unsafeCast<Nothing>()): FileHandle

Opens a FileHandle.

external fun open(path: PathLike, flags: OpenMode?, mode: Mode?, callback: (err: ErrnoException?, fd: Double) -> Unit)

Asynchronous file open. See the POSIX open(2) documentation for more details.

openAsBlob

suspend fun openAsBlob(path: PathLike, options: OpenAsBlobOptions = undefined.unsafeCast<Nothing>()): Blob

openAsBlobAsync

external fun openAsBlobAsync(path: PathLike, options: OpenAsBlobOptions = definedExternally): Promise<Blob>

Returns a Blob whose data is backed by the given file.

openAsync

external fun openAsync(path: PathLike): Promise<FileHandle>

external fun openAsync(path: PathLike, flags: Double = definedExternally, mode: Mode = definedExternally): Promise<FileHandle>

external fun openAsync(path: PathLike, flags: String = definedExternally, mode: Mode = definedExternally): Promise<FileHandle>

Opens a FileHandle.

opendir

external fun opendir(path: PathLike, cb: (err: ErrnoException?, dir: Dir) -> Unit)

Asynchronously open a directory. See the POSIX opendir(3) documentation for more details.

suspend fun opendir(path: PathLike, options: OpenDirOptions = undefined.unsafeCast<Nothing>()): Dir

external fun opendir(path: PathLike, options: OpenDirOptions, cb: (err: ErrnoException?, dir: Dir) -> Unit)

opendirAsync

external fun opendirAsync(path: PathLike, options: OpenDirOptions = definedExternally): Promise<Dir>

Asynchronously open a directory for iterative scanning. See the POSIX opendir(3) documentation for more detail.

opendirSync

external fun opendirSync(path: PathLike, options: OpenDirOptions = definedExternally): Dir

Synchronously open a directory. See opendir(3).

openSync

external fun openSync(path: PathLike, flags: OpenMode, mode: Mode? = definedExternally): Double

Returns an integer representing the file descriptor.

read

external fun read(fd: Number, callback: (err: ErrnoException?, bytesRead: Double, buffer: ArrayBufferView) -> Unit)

external fun <TBuffer : ArrayBufferView> read(fd: Number, options: ReadAsyncOptions<TBuffer>, callback: (err: ErrnoException?, bytesRead: Double, buffer: TBuffer) -> Unit)

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

external fun <TBuffer : ArrayBufferView> read(fd: Number, buffer: TBuffer, offset: Number, length: Number, position: ReadPosition?, callback: (err: ErrnoException?, bytesRead: Double, buffer: TBuffer) -> Unit)

Read data from the file specified by fd.

readdir

suspend fun readdir(path: PathLike): ReadonlyArray<String>

suspend fun readdir(path: PathLike, options: ReaddirBufferAsyncOptions): ReadonlyArray<Buffer>

external fun readdir(path: PathLike, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

suspend fun readdir(path: PathLike, options: String): ReadonlyArray<Buffer>

suspend fun readdir(path: PathLike, options: ReaddirWithFileTypesAsyncOptions): ReadonlyArray<Dirent>

external fun readdir(path: PathLike, options: String, callback: (err: ErrnoException?, ReadonlyArray<Buffer>) -> Unit)

external fun readdir(path: PathLike, options: BufferEncoding?, callback: (err: ErrnoException?, files: Any) -> Unit)

external fun readdir(path: PathLike, options: ReaddirBufferOptions, callback: (err: ErrnoException?, ReadonlyArray<Buffer>) -> Unit)

external fun readdir(path: PathLike, options: ReaddirOptions?, callback: (err: ErrnoException?, files: Any) -> Unit)

external fun readdir(path: PathLike, options: ReaddirWithFileTypesOptions, callback: (err: ErrnoException?, ReadonlyArray<Dirent>) -> Unit)

Asynchronous readdir(3) - read a directory.

suspend fun readdir(path: PathLike, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): ReadonlyArray<String>

suspend fun readdir(path: PathLike, options: ReaddirAsyncOptions? = undefined.unsafeCast<Nothing>()): ReadonlyArray<String>

Reads the contents of a directory.

external fun readdir(path: PathLike, options: BufferEncoding?, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

external fun readdir(path: PathLike, options: ReaddirStringOptions?, callback: (err: ErrnoException?, ReadonlyArray<String>) -> Unit)

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 '..'.

readdirAsync

external fun readdirAsync(path: PathLike): Promise<ReadonlyArray<String>>

external fun readdirAsync(path: PathLike, options: BufferEncoding? = definedExternally): Promise<ReadonlyArray<String>>

external fun readdirAsync(path: PathLike, options: ReaddirAsyncOptions? = definedExternally): Promise<ReadonlyArray<String>>

Reads the contents of a directory.

external fun readdirAsync(path: PathLike, options: String): Promise<ReadonlyArray<Buffer>>

external fun readdirAsync(path: PathLike, options: ReaddirBufferAsyncOptions): Promise<ReadonlyArray<Buffer>>

external fun readdirAsync(path: PathLike, options: ReaddirWithFileTypesAsyncOptions): Promise<ReadonlyArray<Dirent>>

Asynchronous readdir(3) - read a directory.

readdirSync

external fun readdirSync(path: PathLike): ReadonlyArray<String>

external fun readdirSync(path: PathLike, options: BufferEncoding? = definedExternally): ReadonlyArray<String>

external fun readdirSync(path: PathLike, options: ReaddirSyncStringOptions? = definedExternally): ReadonlyArray<String>

Reads the contents of the directory.

external fun readdirSync(path: PathLike, options: String): ReadonlyArray<Buffer>

external fun readdirSync(path: PathLike, options: ReaddirSyncBufferOptions): ReadonlyArray<Buffer>

external fun readdirSync(path: PathLike, options: ReaddirSyncOptions? = definedExternally): Any

external fun readdirSync(path: PathLike, options: ReaddirSyncWithFileTypesOptions): ReadonlyArray<Dirent>

Synchronous readdir(3) - read a directory.

readFile

suspend fun readFile(path: PathLike): Any

suspend fun readFile(path: PathLike, options: ReadFileBufferAsyncOptions? = undefined.unsafeCast<Nothing>()): Buffer

suspend fun readFile(path: PathLike, options: ReadFileStringAsyncOptions): String

suspend fun readFile(path: FileHandle): Any

external fun readFile(path: PathOrFileDescriptor, callback: (err: ErrnoException?, data: Buffer) -> Unit)

suspend fun readFile(path: PathLike, options: BufferEncoding): String

suspend fun readFile(path: PathLike, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Any

suspend fun readFile(path: PathLike, options: ReadFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Any

suspend fun readFile(path: FileHandle, options: BufferEncoding): String

suspend fun readFile(path: FileHandle, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Any

suspend fun readFile(path: FileHandle, options: ReadFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Any

suspend fun readFile(path: FileHandle, options: ReadFileBufferAsyncOptions? = undefined.unsafeCast<Nothing>()): Buffer

suspend fun readFile(path: FileHandle, options: ReadFileStringAsyncOptions): String

external fun readFile(path: PathOrFileDescriptor, options: BufferEncoding, callback: (err: ErrnoException?, data: String) -> Unit)

external fun readFile(path: PathOrFileDescriptor, options: BufferEncoding?, callback: (err: ErrnoException?, data: Any) -> Unit)

external fun readFile(path: PathOrFileDescriptor, options: ReadFileBufferOptions?, callback: (err: ErrnoException?, data: Buffer) -> Unit)

external fun readFile(path: PathOrFileDescriptor, options: ReadFileOptions?, callback: (err: ErrnoException?, data: Any) -> Unit)

external fun readFile(path: PathOrFileDescriptor, options: ReadFileStringOptions, callback: (err: ErrnoException?, data: String) -> Unit)

Asynchronously reads the entire contents of a file.

readFileAsync

external fun readFileAsync(path: PathLike): Promise<Any>

external fun readFileAsync(path: FileHandle): Promise<Any>

external fun readFileAsync(path: PathLike, options: BufferEncoding): Promise<String>

external fun readFileAsync(path: PathLike, options: BufferEncoding? = definedExternally): Promise<Any>

external fun readFileAsync(path: PathLike, options: ReadFileAsyncOptions? = definedExternally): Promise<Any>

external fun readFileAsync(path: PathLike, options: ReadFileBufferAsyncOptions? = definedExternally): Promise<Buffer>

external fun readFileAsync(path: PathLike, options: ReadFileStringAsyncOptions): Promise<String>

external fun readFileAsync(path: FileHandle, options: BufferEncoding): Promise<String>

external fun readFileAsync(path: FileHandle, options: BufferEncoding? = definedExternally): Promise<Any>

external fun readFileAsync(path: FileHandle, options: ReadFileAsyncOptions? = definedExternally): Promise<Any>

external fun readFileAsync(path: FileHandle, options: ReadFileBufferAsyncOptions? = definedExternally): Promise<Buffer>

external fun readFileAsync(path: FileHandle, options: ReadFileStringAsyncOptions): Promise<String>

Asynchronously reads the entire contents of a file.

readFileSync

external fun readFileSync(path: PathOrFileDescriptor): Any

external fun readFileSync(path: PathOrFileDescriptor, options: BufferEncoding): String

external fun readFileSync(path: PathOrFileDescriptor, options: BufferEncoding? = definedExternally): Any

external fun readFileSync(path: PathOrFileDescriptor, options: ReadFileSyncOptions? = definedExternally): Any

external fun readFileSync(path: PathOrFileDescriptor, options: ReadFileSyncStringOptions): String

Synchronously reads the entire contents of a file.

external fun readFileSync(path: PathOrFileDescriptor, options: ReadFileSyncBufferOptions? = definedExternally): Buffer

Returns the contents of the path.

readlink

suspend fun readlink(path: PathLike): String

suspend fun readlink(path: PathLike, options: BufferEncodingOption): Buffer

external fun readlink(path: PathLike, callback: (err: ErrnoException?, linkString: String) -> Unit)

suspend fun readlink(path: PathLike, options: String? = undefined.unsafeCast<Nothing>()): Any

external fun readlink(path: PathLike, options: BufferEncodingOption, callback: (err: ErrnoException?, linkString: Buffer) -> Unit)

external fun readlink(path: PathLike, options: EncodingOption, callback: (err: ErrnoException?, linkString: Any) -> Unit)

Asynchronous readlink(2) - read value of a symbolic link.

suspend fun readlink(path: PathLike, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): String

suspend fun readlink(path: PathLike, options: ObjectEncodingOptions? = undefined.unsafeCast<Nothing>()): String

Reads the contents of the symbolic link referred to by path. See the POSIX readlink(2) documentation for more detail. The promise is fulfilled with thelinkString upon success.

external fun readlink(path: PathLike, options: EncodingOption, callback: (err: ErrnoException?, linkString: String) -> Unit)

Reads the contents of the symbolic link referred to by path. The callback gets two arguments (err, linkString).

readlinkAsync

external fun readlinkAsync(path: PathLike): Promise<String>

external fun readlinkAsync(path: PathLike, options: BufferEncoding? = definedExternally): Promise<String>

external fun readlinkAsync(path: PathLike, options: ObjectEncodingOptions? = definedExternally): Promise<String>

Reads the contents of the symbolic link referred to by path. See the POSIX readlink(2) documentation for more detail. The promise is fulfilled with thelinkString upon success.

external fun readlinkAsync(path: PathLike, options: BufferEncodingOption): Promise<Buffer>

external fun readlinkAsync(path: PathLike, options: String? = definedExternally): Promise<Any>

Asynchronous readlink(2) - read value of a symbolic link.

readlinkSync

external fun readlinkSync(path: PathLike): String

external fun readlinkSync(path: PathLike, options: BufferEncodingOption): Buffer

Synchronous readlink(2) - read value of a symbolic link.

external fun readlinkSync(path: PathLike, options: EncodingOption = definedExternally): String

Returns the symbolic link's string value.

readSync

external fun readSync(fd: Number, buffer: ArrayBufferView, opts: ReadSyncOptions = definedExternally): Double

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.

external fun readSync(fd: Number, buffer: ArrayBufferView, offset: Number, length: Number, position: ReadPosition?): Double

Returns the number of bytesRead.

readv

external fun readv(fd: Number, buffers: ReadonlyArray<ArrayBufferView>, cb: (err: ErrnoException?, bytesRead: Double, ReadonlyArray<ArrayBufferView>) -> Unit)

Read from a file specified by fd and write to an array of ArrayBufferViews using readv().

external fun readv(fd: Number, buffers: ReadonlyArray<ArrayBufferView>, position: Number, cb: (err: ErrnoException?, bytesRead: Double, ReadonlyArray<ArrayBufferView>) -> Unit)

readvSync

external fun readvSync(fd: Number, buffers: ReadonlyArray<ArrayBufferView>, position: Number = definedExternally): Double

For detailed information, see the documentation of the asynchronous version of this API: {@link readv}.

realpath

suspend fun realpath(path: PathLike): String

suspend fun realpath(path: PathLike, options: BufferEncodingOption): Buffer

external fun realpath(path: PathLike, callback: (err: ErrnoException?, resolvedPath: String) -> Unit)

external fun realpath(path: PathLike, options: BufferEncodingOption, callback: (err: ErrnoException?, resolvedPath: Buffer) -> Unit)

external fun realpath(path: PathLike, options: EncodingOption, callback: (err: ErrnoException?, resolvedPath: Any) -> Unit)

Asynchronous realpath(3) - return the canonicalized absolute pathname.

suspend fun realpath(path: PathLike, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): String

suspend fun realpath(path: PathLike, options: ObjectEncodingOptions? = undefined.unsafeCast<Nothing>()): String

Determines the actual location of path using the same semantics as the fs.realpath.native() function.

external fun realpath(path: PathLike, options: EncodingOption, callback: (err: ErrnoException?, resolvedPath: String) -> Unit)

Asynchronously computes the canonical pathname by resolving ., .., and symbolic links.

realpathAsync

external fun realpathAsync(path: PathLike): Promise<String>

external fun realpathAsync(path: PathLike, options: BufferEncoding? = definedExternally): Promise<String>

external fun realpathAsync(path: PathLike, options: ObjectEncodingOptions? = definedExternally): Promise<String>

Determines the actual location of path using the same semantics as the fs.realpath.native() function.

external fun realpathAsync(path: PathLike, options: BufferEncodingOption): Promise<Buffer>

Asynchronous realpath(3) - return the canonicalized absolute pathname.

realpathSync

external fun realpathSync(path: PathLike): String

external fun realpathSync(path: PathLike, options: BufferEncodingOption): Buffer

Synchronous realpath(3) - return the canonicalized absolute pathname.

external fun realpathSync(path: PathLike, options: EncodingOption = definedExternally): String

Returns the resolved pathname.

rename

suspend fun rename(oldPath: PathLike, newPath: PathLike): Void

external fun rename(oldPath: PathLike, newPath: PathLike, callback: NoParamCallback)

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.

renameAsync

external fun renameAsync(oldPath: PathLike, newPath: PathLike): Promise<Void>

Renames oldPath to newPath.

renameSync

external fun renameSync(oldPath: PathLike, newPath: PathLike)

Renames the file from oldPath to newPath. Returns undefined.

external fun rm(path: PathLike, callback: NoParamCallback)

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.

suspend fun rm(path: PathLike, options: RmOptions = undefined.unsafeCast<Nothing>()): Void

external fun rm(path: PathLike, options: RmOptions, callback: NoParamCallback)

rmAsync

external fun rmAsync(path: PathLike, options: RmOptions = definedExternally): Promise<Void>

Removes files and directories (modeled on the standard POSIX rm utility).

rmdir

external fun rmdir(path: PathLike, callback: NoParamCallback)

Asynchronous rmdir(2). No arguments other than a possible exception are given to the completion callback.

suspend fun rmdir(path: PathLike, options: RmDirOptions = undefined.unsafeCast<Nothing>()): Void

external fun rmdir(path: PathLike, options: RmDirOptions, callback: NoParamCallback)

rmdirAsync

external fun rmdirAsync(path: PathLike, options: RmDirOptions = definedExternally): Promise<Void>

Removes the directory identified by path.

rmdirSync

external fun rmdirSync(path: PathLike, options: RmDirOptions = definedExternally)

Synchronous rmdir(2). Returns undefined.

rmSync

external fun rmSync(path: PathLike, options: RmOptions = definedExternally)

Synchronously removes files and directories (modeled on the standard POSIX rm utility). Returns undefined.

stat

suspend fun stat(path: PathLike): Stats

suspend fun stat(path: PathLike, opts: StatBigIntOpts): BigIntStats

suspend fun stat(path: PathLike, opts: StatOptions = undefined.unsafeCast<Nothing>()): Any

suspend fun stat(path: PathLike, opts: StatSimpleOpts = undefined.unsafeCast<Nothing>()): Stats

external fun stat(path: PathLike, options: StatBigIntOptions, callback: (err: ErrnoException?, stats: BigIntStats) -> Unit)

external fun stat(path: PathLike, options: StatOptions?, callback: (err: ErrnoException?, stats: Any) -> Unit)

external fun stat(path: PathLike, options: StatSimpleOptions?, callback: (err: ErrnoException?, stats: Stats) -> Unit)

external fun stat(path: PathLike, callback: (err: ErrnoException?, stats: Stats) -> Unit)

Asynchronous stat(2). The callback gets two arguments (err, stats) wherestats is an fs.Stats object.

statAsync

external fun statAsync(path: PathLike): Promise<Stats>

external fun statAsync(path: PathLike, opts: StatBigIntOpts): Promise<BigIntStats>

external fun statAsync(path: PathLike, opts: StatOptions = definedExternally): Promise<Any>

external fun statAsync(path: PathLike, opts: StatSimpleOpts = definedExternally): Promise<Stats>

statfs

suspend fun statfs(path: PathLike): StatsFs

suspend fun statfs(path: PathLike, opts: StatFsOptions = undefined.unsafeCast<Nothing>()): Any

suspend fun statfs(path: PathLike, opts: StatfsBigIntOpts): BigIntStatsFs

suspend fun statfs(path: PathLike, opts: StatfsOpts = undefined.unsafeCast<Nothing>()): StatsFs

external fun statfs(path: PathLike, options: StatFsOptions?, callback: (err: ErrnoException?, stats: Any) -> Unit)

external fun statfs(path: PathLike, options: StatfsBigIntOptions, callback: (err: ErrnoException?, stats: BigIntStatsFs) -> Unit)

external fun statfs(path: PathLike, options: StatfsOptions?, callback: (err: ErrnoException?, stats: StatsFs) -> Unit)

external fun statfs(path: PathLike, callback: (err: ErrnoException?, stats: StatsFs) -> Unit)

Asynchronous statfs(2). Returns information about the mounted file system which contains path. The callback gets two arguments (err, stats) where statsis an fs.StatFs object.

statfsAsync

external fun statfsAsync(path: PathLike): Promise<StatsFs>

external fun statfsAsync(path: PathLike, opts: StatFsOptions = definedExternally): Promise<Any>

external fun statfsAsync(path: PathLike, opts: StatfsBigIntOpts): Promise<BigIntStatsFs>

external fun statfsAsync(path: PathLike, opts: StatfsOpts = definedExternally): Promise<StatsFs>

statfsSync

external fun statfsSync(path: PathLike): StatsFs

external fun statfsSync(path: PathLike, options: StatFsOptions = definedExternally): Any

external fun statfsSync(path: PathLike, options: StatfsSyncBigIntOptions): BigIntStatsFs

external fun statfsSync(path: PathLike, options: StatfsSyncOptions = definedExternally): StatsFs

Synchronous statfs(2). Returns information about the mounted file system which contains path.

symlink

external fun symlink(target: PathLike, path: PathLike, callback: NoParamCallback)

Asynchronous symlink(2) - Create a new symbolic link to an existing file.

suspend fun symlink(target: PathLike, path: PathLike, type: String? = undefined.unsafeCast<Nothing>()): Void

external fun symlink(target: PathLike, path: PathLike, type: SymlinkType?, callback: NoParamCallback)

Creates the link called path pointing to target. No arguments other than a possible exception are given to the completion callback.

symlinkAsync

external fun symlinkAsync(target: PathLike, path: PathLike, type: String? = definedExternally): Promise<Void>

Creates a symbolic link.

symlinkSync

external fun symlinkSync(target: PathLike, path: PathLike, type: SymlinkType? = definedExternally)

Returns undefined.

truncate

external fun truncate(path: PathLike, callback: NoParamCallback)

Asynchronous truncate(2) - Truncate a file to a specified length.

suspend fun truncate(path: PathLike, len: Number = undefined.unsafeCast<Nothing>()): Void

external fun truncate(path: PathLike, len: Double?, callback: NoParamCallback)

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.

truncateAsync

external fun truncateAsync(path: PathLike, len: Number = definedExternally): Promise<Void>

Truncates (shortens or extends the length) of the content at path to len bytes.

truncateSync

external fun truncateSync(path: PathLike, len: Double? = definedExternally)

Truncates the file. Returns undefined. A file descriptor can also be passed as the first argument. In this case, fs.ftruncateSync() is called.

unlink

suspend fun unlink(path: PathLike): Void

external fun unlink(path: PathLike, callback: NoParamCallback)

Asynchronously removes a file or symbolic link. No arguments other than a possible exception are given to the completion callback.

unlinkAsync

external fun unlinkAsync(path: PathLike): Promise<Void>

If path refers to a symbolic link, then the link is removed without affecting the file or directory to which that link refers. If the path refers to a file path that is not a symbolic link, the file is deleted. See the POSIX unlink(2) documentation for more detail.

unlinkSync

external fun unlinkSync(path: PathLike)

Synchronous unlink(2). Returns undefined.

unwatchFile

external fun unwatchFile(filename: PathLike)

external fun unwatchFile(filename: PathLike, listener: BigIntStatsListener = definedExternally)

external fun unwatchFile(filename: PathLike, listener: StatsListener = definedExternally)

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.

utimes

suspend fun utimes(path: PathLike, atime: TimeLike, mtime: TimeLike): Void

external fun utimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback)

Change the file system timestamps of the object referenced by path.

utimesAsync

external fun utimesAsync(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<Void>

Change the file system timestamps of the object referenced by path.

utimesSync

external fun utimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike)

Returns undefined.

watch

external fun watch(filename: PathLike): AsyncIterable<FileChangeInfo<String>>

external fun watch(filename: PathLike, listener: WatchListener<String> = definedExternally): FSWatcher

external fun watch(filename: PathLike, options: String): Any

external fun watch(filename: PathLike, options: BufferEncoding = definedExternally): AsyncIterable<FileChangeInfo<String>>

external fun watch(filename: PathLike, options: WatchOptions = definedExternally): AsyncIterable<FileChangeInfo<String>>

external fun watch(filename: PathLike, options: String, listener: WatchListener<Any> = definedExternally): FSWatcher

external fun watch(filename: PathLike, options: BufferEncoding? = definedExternally, listener: WatchListener<String> = definedExternally): FSWatcher

external fun watch(filename: PathLike, options: WatchOptions, listener: WatchListener<Any> = definedExternally): FSWatcher

external fun watch(filename: PathLike, options: WatchOptions? = definedExternally, listener: WatchListener<String> = definedExternally): FSWatcher

Watch for changes on filename, where filename is either a file or a directory, returning an FSWatcher.

external fun watch(filename: PathLike, options: WatchBufferAsyncOptions): AsyncIterable<FileChangeInfo<Buffer>>

Returns an async iterator that watches for changes on filename, where filenameis either a file or a directory.

external fun watch(filename: PathLike, options: String, listener: WatchListener<Buffer> = definedExternally): FSWatcher

external fun watch(filename: PathLike, options: WatchBufferOptions, listener: WatchListener<Buffer> = definedExternally): FSWatcher

Watch for changes on filename, where filename is either a file or a directory.

watchFile

external fun watchFile(filename: PathLike, listener: StatsListener): StatWatcher

external fun watchFile(filename: PathLike, options: WatchFileSimpleOptions?, listener: StatsListener): StatWatcher

Watch for changes on filename. The callback listener will be called each time the file is accessed.

external fun watchFile(filename: PathLike, options: WatchFileBigIntOptions?, listener: BigIntStatsListener): StatWatcher

write

external fun <TBuffer : ArrayBufferView> write(fd: Number, buffer: TBuffer, callback: (err: ErrnoException?, written: Double, buffer: TBuffer) -> Unit)

external fun <TBuffer : ArrayBufferView> write(fd: Number, buffer: TBuffer, offset: Double?, callback: (err: ErrnoException?, written: Double, buffer: TBuffer) -> Unit)

external fun <TBuffer : ArrayBufferView> write(fd: Number, buffer: TBuffer, offset: Double?, length: Double?, callback: (err: ErrnoException?, written: Double, buffer: TBuffer) -> Unit)

Asynchronously writes buffer to the file referenced by the supplied file descriptor.

external fun write(fd: Number, string: String, callback: (err: ErrnoException?, written: Double, str: String) -> Unit)

external fun write(fd: Number, string: String, position: Double?, callback: (err: ErrnoException?, written: Double, str: String) -> Unit)

external fun write(fd: Number, string: String, position: Double?, encoding: BufferEncoding?, callback: (err: ErrnoException?, written: Double, str: String) -> Unit)

Asynchronously writes string to the file referenced by the supplied file descriptor.

external fun <TBuffer : ArrayBufferView> write(fd: Number, buffer: TBuffer, offset: Double?, length: Double?, position: Double?, callback: (err: ErrnoException?, written: Double, buffer: TBuffer) -> Unit)

Write buffer to the file specified by fd.

writeFile

suspend fun writeFile(file: PathLike, data: ArrayBufferView): Void

suspend fun writeFile(file: PathLike, data: AsyncIterable<Any>): Void

suspend fun writeFile(file: PathLike, data: JsIterable<Any>): Void

suspend fun writeFile(file: PathLike, data: Stream): Void

suspend fun writeFile(file: FileHandle, data: ArrayBufferView): Void

suspend fun writeFile(file: FileHandle, data: AsyncIterable<Any>): Void

suspend fun writeFile(file: FileHandle, data: JsIterable<Any>): Void

suspend fun writeFile(file: FileHandle, data: String): Void

suspend fun writeFile(file: FileHandle, data: Stream): Void

suspend fun writeFile(file: PathLike, data: ArrayBufferView, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: ArrayBufferView, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: AsyncIterable<Any>, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: AsyncIterable<Any>, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: JsIterable<Any>, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: JsIterable<Any>, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: String, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: String, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: Stream, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: PathLike, data: Stream, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: ArrayBufferView, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: ArrayBufferView, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: AsyncIterable<Any>, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: AsyncIterable<Any>, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: JsIterable<Any>, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: JsIterable<Any>, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: String, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: String, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: Stream, options: BufferEncoding? = undefined.unsafeCast<Nothing>()): Void

suspend fun writeFile(file: FileHandle, data: Stream, options: WriteFileAsyncOptions? = undefined.unsafeCast<Nothing>()): Void

Asynchronously writes data to a file, replacing the file if it already exists. data can be a string, a buffer, an AsyncIterable, or an Iterable object.

suspend fun writeFile(file: PathLike, data: String): Void

external fun writeFile(path: PathOrFileDescriptor, data: ArrayBufferView, callback: NoParamCallback)

external fun writeFile(path: PathOrFileDescriptor, data: String, callback: NoParamCallback)

Asynchronously writes data to a file, replacing the file if it already exists.

external fun writeFile(file: PathOrFileDescriptor, data: ArrayBufferView, options: WriteFileOptions, callback: NoParamCallback)

external fun writeFile(file: PathOrFileDescriptor, data: String, options: WriteFileOptions, callback: NoParamCallback)

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.

writeFileAsync

external fun writeFileAsync(file: PathLike, data: ArrayBufferView): Promise<Void>

external fun writeFileAsync(file: PathLike, data: AsyncIterable<Any>): Promise<Void>

external fun writeFileAsync(file: PathLike, data: JsIterable<Any>): Promise<Void>

external fun writeFileAsync(file: PathLike, data: String): Promise<Void>

external fun writeFileAsync(file: PathLike, data: Stream): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: ArrayBufferView): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: AsyncIterable<Any>): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: JsIterable<Any>): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: String): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: Stream): Promise<Void>

external fun writeFileAsync(file: PathLike, data: ArrayBufferView, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: ArrayBufferView, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: AsyncIterable<Any>, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: AsyncIterable<Any>, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: JsIterable<Any>, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: JsIterable<Any>, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: String, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: String, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: Stream, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: PathLike, data: Stream, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: ArrayBufferView, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: ArrayBufferView, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: AsyncIterable<Any>, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: AsyncIterable<Any>, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: JsIterable<Any>, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: JsIterable<Any>, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: String, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: String, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: Stream, options: BufferEncoding? = definedExternally): Promise<Void>

external fun writeFileAsync(file: FileHandle, data: Stream, options: WriteFileAsyncOptions? = definedExternally): Promise<Void>

Asynchronously writes data to a file, replacing the file if it already exists. data can be a string, a buffer, an AsyncIterable, or an Iterable object.

writeFileSync

external fun writeFileSync(file: PathOrFileDescriptor, data: ArrayBufferView, options: WriteFileOptions = definedExternally)

external fun writeFileSync(file: PathOrFileDescriptor, data: String, options: WriteFileOptions = definedExternally)

Returns undefined.

writeSync

external fun writeSync(fd: Number, string: String, position: Double? = definedExternally, encoding: BufferEncoding? = definedExternally): Double

Synchronously writes string to the file referenced by the supplied file descriptor, returning the number of bytes written.

external fun writeSync(fd: Number, buffer: ArrayBufferView, offset: Double? = definedExternally, length: Double? = definedExternally, position: Double? = definedExternally): Double

For detailed information, see the documentation of the asynchronous version of this API: {@link write}.

writev

external fun writev(fd: Number, buffers: ReadonlyArray<ArrayBufferView>, cb: (err: ErrnoException?, bytesWritten: Double, ReadonlyArray<ArrayBufferView>) -> Unit)

Write an array of ArrayBufferViews to the file specified by fd using writev().

external fun writev(fd: Number, buffers: ReadonlyArray<ArrayBufferView>, position: Number, cb: (err: ErrnoException?, bytesWritten: Double, ReadonlyArray<ArrayBufferView>) -> Unit)

writevSync

external fun writevSync(fd: Number, buffers: ReadonlyArray<ArrayBufferView>, position: Number = definedExternally): Double

For detailed information, see the documentation of the asynchronous version of this API: {@link writev}.