blob: c97102165b6bef189892cdebf44f4f2f4b43ee50 [file] [log] [blame]
declare module "fs" {
import * as stream from "stream";
import * as events from "events";
import { URL } from "url";
import * as promises from 'fs/promises';
export { promises };
/**
* Valid types for path values in "fs".
*/
export type PathLike = string | Buffer | URL;
export type NoParamCallback = (err: NodeJS.ErrnoException | null) => void;
export type BufferEncodingOption = 'buffer' | { encoding: 'buffer' };
export interface BaseEncodingOptions {
encoding?: BufferEncoding | 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> {
}
export class Stats {
}
export class Dirent {
isFile(): boolean;
isDirectory(): boolean;
isBlockDevice(): boolean;
isCharacterDevice(): boolean;
isSymbolicLink(): boolean;
isFIFO(): boolean;
isSocket(): boolean;
name: string;
}
/**
* A class representing a directory stream.
*/
export class Dir {
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.
*/
close(): Promise<void>;
close(cb: NoParamCallback): void;
/**
* Synchronously close the directory's underlying resource handle.
* Subsequent reads will result in errors.
*/
closeSync(): void;
/**
* Asynchronously read the next directory entry via `readdir(3)` as an `Dirent`.
* After the read is completed, a value is returned that will be resolved with an `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.
*/
read(): Promise<Dirent | null>;
read(cb: (err: NodeJS.ErrnoException | null, dirEnt: Dirent | null) => void): void;
/**
* Synchronously read the next directory entry via `readdir(3)` as a `Dirent`.
* 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.
*/
readSync(): Dirent;
}
export interface FSWatcher extends events.EventEmitter {
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;
}
export class ReadStream extends stream.Readable {
close(): void;
bytesRead: number;
path: string | Buffer;
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;
}
export class WriteStream extends stream.Writable {
close(): void;
bytesWritten: number;
path: string | Buffer;
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;
}
/**
* 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_.
*/
export function rename(oldPath: PathLike, newPath: PathLike, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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_.
*/
export function renameSync(oldPath: PathLike, newPath: PathLike): 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.
* @param len If not specified, defaults to `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.
* URL support is _experimental_.
*/
export function truncate(path: PathLike, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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`.
*/
export function truncateSync(path: PathLike, len?: number | null): void;
/**
* Asynchronous ftruncate(2) - Truncate a file to a specified length.
* @param fd A file descriptor.
* @param len If not specified, defaults to `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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous ftruncate(2) - Truncate a file to a specified length.
* @param fd A file descriptor.
* @param len If not specified, defaults to `0`.
*/
export function ftruncateSync(fd: number, len?: number | null): void;
/**
* 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.
*/
export function chown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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.
*/
export function chownSync(path: PathLike, uid: number, gid: number): void;
/**
* Asynchronous fchown(2) - Change ownership of a file.
* @param fd A file descriptor.
*/
export function fchown(fd: number, uid: number, gid: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous fchown(2) - Change ownership of a file.
* @param fd A file descriptor.
*/
export function fchownSync(fd: number, uid: number, gid: number): void;
/**
* 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.
*/
export function lchown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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.
*/
export function lchownSync(path: PathLike, uid: number, gid: number): void;
/**
* Changes the access and modification times of a file in the same way as `fs.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.
*/
export function lutimes(path: PathLike, atime: string | number | Date, mtime: string | number | Date, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: string | number | Date, mtime: string | number | Date): 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 `fs.lutimes()`.
* @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.
*/
export function lutimesSync(path: PathLike, atime: string | number | Date, mtime: string | number | Date): void;
/**
* 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.
*/
export function chmod(path: PathLike, mode: Mode, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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.
*/
export function chmodSync(path: PathLike, mode: Mode): void;
/**
* 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.
*/
export function fchmod(fd: number, mode: Mode, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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.
*/
export function fchmodSync(fd: number, mode: Mode): void;
/**
* 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.
*/
export function lchmod(path: PathLike, mode: Mode, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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.
*/
export function lchmodSync(path: PathLike, mode: Mode): void;
/**
* Asynchronous stat(2) - Get file status.
* @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
*/
export function stat(path: PathLike, options: BigIntOptions, callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void): void;
export function stat(path: PathLike, options: StatOptions, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
export function stat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: BigIntOptions): Promise<BigIntStats>;
function __promisify__(path: PathLike, options: StatOptions): Promise<Stats | BigIntStats>;
function __promisify__(path: PathLike): Promise<Stats>;
}
/**
* 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 function statSync(path: PathLike, options: BigIntOptions): BigIntStats;
export function statSync(path: PathLike, options: StatOptions): Stats | BigIntStats;
export function statSync(path: PathLike): Stats;
/**
* Asynchronous fstat(2) - Get file status.
* @param fd A file descriptor.
*/
export function fstat(fd: number, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
export namespace fstat {
/**
* Asynchronous fstat(2) - Get file status.
* @param fd A file descriptor.
*/
function __promisify__(fd: number): Promise<Stats>;
}
/**
* Synchronous fstat(2) - Get file status.
* @param fd A file descriptor.
*/
export function fstatSync(fd: number): Stats;
/**
* 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.
*/
export function lstat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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): Promise<Stats>;
}
/**
* 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 function lstatSync(path: PathLike): Stats;
/**
* 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.
*/
export function link(existingPath: PathLike, newPath: PathLike, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous 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.
*/
export function linkSync(existingPath: PathLike, newPath: PathLike): 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.
* @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.
*/
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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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";
}
/**
* Synchronous 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.
*/
export function symlinkSync(target: PathLike, path: PathLike, type?: symlink.Type | null): 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: BaseEncodingOptions | BufferEncoding | undefined | null,
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: BaseEncodingOptions | string | undefined | null, 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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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?: BaseEncodingOptions | BufferEncoding | null): 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?: BaseEncodingOptions | string | null): Promise<string | 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?: BaseEncodingOptions | BufferEncoding | null): 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?: BaseEncodingOptions | string | null): string | 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.
*/
export function realpath(
path: PathLike,
options: BaseEncodingOptions | BufferEncoding | undefined | null,
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: BaseEncodingOptions | string | undefined | null, 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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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?: BaseEncodingOptions | BufferEncoding | null): 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?: BaseEncodingOptions | string | null): Promise<string | Buffer>;
function native(
path: PathLike,
options: BaseEncodingOptions | BufferEncoding | undefined | null,
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: BaseEncodingOptions | string | undefined | null, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void;
function native(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
}
/**
* 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?: BaseEncodingOptions | BufferEncoding | null): 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?: BaseEncodingOptions | string | null): string | Buffer;
export namespace realpathSync {
function native(path: PathLike, options?: BaseEncodingOptions | BufferEncoding | null): string;
function native(path: PathLike, options: BufferEncodingOption): Buffer;
function native(path: PathLike, options?: BaseEncodingOptions | string | null): string | Buffer;
}
/**
* 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.
*/
export function unlink(path: PathLike, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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) - 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.
*/
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;
/**
* @deprecated since v14.14.0 In future versions of Node.js,
* `fs.rmdir(path, { recursive: true })` will throw on nonexistent
* paths, or when given a file as a target.
* Use `fs.rm(path, { recursive: true, force: true })` instead.
*
* If `true`, perform a recursive directory removal. In
* recursive mode, errors are not reported if `path` does not exist, and
* operations are retried on failure.
* @default false
*/
recursive?: boolean;
/**
* 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;
}
/**
* Asynchronous rmdir(2) - delete a directory.
* @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
*/
export function rmdir(path: PathLike, callback: NoParamCallback): void;
export function rmdir(path: PathLike, options: RmDirOptions, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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) - delete a directory.
* @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
*/
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;
/**
* 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;
/**
* If `true`, perform a recursive directory removal. In
* recursive mode, errors are not reported if `path` does not exist, and
* operations are retried on failure.
* @default false
*/
recursive?: boolean;
/**
* 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;
}
/**
* Asynchronously removes files and directories (modeled on the standard POSIX `rm` utility).
*/
export function rm(path: PathLike, callback: NoParamCallback): void;
export function rm(path: PathLike, options: RmOptions, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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).
*/
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;
/**
* A file mode. If a string is passed, it is parsed as an octal integer. If not specified
* @default 0o777
*/
mode?: Mode;
}
/**
* 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: 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; }) | 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 | undefined) => 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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
/**
* 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; }) | 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>;
}
/**
* 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: MakeDirectoryOptions & { recursive: true; }): string;
/**
* 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; }) | 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;
/**
* 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: BaseEncodingOptions | BufferEncoding | undefined | null, 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: BaseEncodingOptions | string | undefined | null, 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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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?: BaseEncodingOptions | BufferEncoding | null): 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?: BaseEncodingOptions | string | null): Promise<string | 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?: BaseEncodingOptions | BufferEncoding | null): 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?: BaseEncodingOptions | string | null): 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 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: BufferEncoding | null; withFileTypes?: false } | 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 } | "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: BaseEncodingOptions & { withFileTypes?: false } | 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: BaseEncodingOptions & { withFileTypes: true }, callback: (err: NodeJS.ErrnoException | null, files: Dirent[]) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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 } | 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 }): 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?: BaseEncodingOptions & { withFileTypes?: false } | 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: BaseEncodingOptions & { withFileTypes: true }): Promise<Dirent[]>;
}
/**
* 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: BufferEncoding | null; withFileTypes?: false } | 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 } | "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?: BaseEncodingOptions & { withFileTypes?: false } | 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: BaseEncodingOptions & { withFileTypes: true }): Dirent[];
/**
* Asynchronous close(2) - close a file descriptor.
* @param fd A file descriptor.
*/
export function close(fd: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
export namespace close {
/**
* Asynchronous close(2) - close a file descriptor.
* @param fd A file descriptor.
*/
function __promisify__(fd: number): Promise<void>;
}
/**
* Synchronous close(2) - close a file descriptor.
* @param fd A file descriptor.
*/
export function closeSync(fd: number): void;
/**
* 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`.
*/
export function open(path: PathLike, flags: OpenMode, 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.
*/
export function open(path: PathLike, flags: OpenMode, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous open(2) - open and possibly create a file, returning a file descriptor..
* @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`.
*/
export function openSync(path: PathLike, flags: OpenMode, mode?: Mode | null): number;
/**
* 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.
*/
export function utimes(path: PathLike, atime: string | number | Date, mtime: string | number | Date, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: string | number | Date, mtime: string | number | Date): Promise<void>;
}
/**
* Synchronously 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.
*/
export function utimesSync(path: PathLike, atime: string | number | Date, mtime: string | number | Date): void;
/**
* 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.
*/
export function futimes(fd: number, atime: string | number | Date, mtime: string | number | Date, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: string | number | Date, mtime: string | number | Date): Promise<void>;
}
/**
* Synchronously 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.
*/
export function futimesSync(fd: number, atime: string | number | Date, mtime: string | number | Date): void;
/**
* Asynchronous fsync(2) - synchronize a file's in-core state with the underlying storage device.
* @param fd A file descriptor.
*/
export function fsync(fd: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous fsync(2) - synchronize a file's in-core state with the underlying storage device.
* @param fd A file descriptor.
*/
export function fsyncSync(fd: number): 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`.
* @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<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;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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 }>;
}
/**
* Synchronously writes `buffer` to the file referenced by the supplied file descriptor, returning the number of bytes written.
* @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.
*/
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;
/**
* Asynchronously reads data from the file referenced by the supplied file descriptor.
* @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.
*/
export function read<TBuffer extends NodeJS.ArrayBufferView>(
fd: number,
buffer: TBuffer,
offset: number,
length: number,
position: number | null,
callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void,
): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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 }>;
}
export interface ReadSyncOptions {
/**
* @default 0
*/
offset?: number;
/**
* @default `length of buffer`
*/
length?: number;
/**
* @default null
*/
position?: number | null;
}
/**
* Synchronously reads data from the file referenced by the supplied file descriptor, returning the number of bytes 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.
*/
export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, offset: number, length: number, position: number | 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.
* @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'`.
*/
export function readFile(path: PathLike | number, options: { encoding?: null; flag?: string; } | 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.
* 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'`.
*/
export function readFile(path: PathLike | number, options: { encoding: BufferEncoding; flag?: string; } | string, 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.
* 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'`.
*/
export function readFile(
path: PathLike | number,
options: BaseEncodingOptions & { flag?: string; } | string | 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: PathLike | number, callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: PathLike | number, options?: { encoding?: null; flag?: string; } | 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: PathLike | number, options: { encoding: BufferEncoding; flag?: string; } | string): 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: PathLike | number, options?: BaseEncodingOptions & { flag?: string; } | string | null): Promise<string | 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.
* URL support is _experimental_.
* 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'`.
*/
export function readFileSync(path: PathLike | number, options?: { encoding?: null; flag?: string; } | 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.
* 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'`.
*/
export function readFileSync(path: PathLike | number, options: { encoding: BufferEncoding; flag?: string; } | 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.
* 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'`.
*/
export function readFileSync(path: PathLike | number, options?: BaseEncodingOptions & { flag?: string; } | BufferEncoding | null): string | Buffer;
export type WriteFileOptions = BaseEncodingOptions & { mode?: Mode; flag?: string; } | string | null;
/**
* 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.
*/
export function writeFile(path: PathLike | number, 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.
* 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.
*/
export function writeFile(path: PathLike | number, data: string | NodeJS.ArrayBufferView, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: PathLike | number, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): Promise<void>;
}
/**
* Synchronously 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.
*/
export function writeFileSync(path: PathLike | number, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): 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.
* 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.
*/
export function appendFile(file: PathLike | number, 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.
* 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.
*/
export function appendFile(file: PathLike | number, data: string | Uint8Array, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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: PathLike | number, data: string | Uint8Array, options?: WriteFileOptions): Promise<void>;
}
/**
* Synchronously 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.
*/
export function appendFileSync(file: PathLike | number, data: string | Uint8Array, options?: WriteFileOptions): void;
/**
* Watch for changes on `filename`. The callback `listener` will be called each time the file is accessed.
*/
export function watchFile(filename: PathLike, options: { persistent?: boolean; interval?: number; } | undefined, listener: (curr: Stats, prev: Stats) => void): void;
/**
* 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.
* URL support is _experimental_.
*/
export function watchFile(filename: PathLike, listener: (curr: Stats, prev: Stats) => void): void;
/**
* Stop watching for changes on `filename`.
* @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
* URL support is _experimental_.
*/
export function unwatchFile(filename: PathLike, listener?: (curr: Stats, prev: Stats) => void): void;
/**
* 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.
* URL support is _experimental_.
* @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: { encoding?: BufferEncoding | null, persistent?: boolean, recursive?: boolean } | BufferEncoding | undefined | null,
listener?: (event: string, filename: string) => void,
): 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.
* URL support is _experimental_.
* @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: { encoding: "buffer", persistent?: boolean, recursive?: boolean } | "buffer", listener?: (event: string, filename: Buffer) => void): 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.
* URL support is _experimental_.
* @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: { encoding?: BufferEncoding | null, persistent?: boolean, recursive?: boolean } | string | null,
listener?: (event: string, filename: string | Buffer) => void,
): 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.
* URL support is _experimental_.
*/
export function watch(filename: PathLike, listener?: (event: string, filename: string) => any): FSWatcher;
/**
* Asynchronously tests whether or not the given path exists by checking with the file system.
* @deprecated since v1.0.0 Use `fs.stat()` or `fs.access()` instead
* @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
* URL support is _experimental_.
*/
export function exists(path: PathLike, callback: (exists: boolean) => void): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronously tests whether or not the given path exists by checking with the file system.
* @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
* URL support is _experimental_.
*/
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;
}
/**
* 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_.
*/
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.
* URL support is _experimental_.
*/
export function access(path: PathLike, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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 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_.
*/
export function accessSync(path: PathLike, mode?: number): void;
/**
* Returns a new `ReadStream` object.
* @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
* URL support is _experimental_.
*/
export function createReadStream(path: PathLike, options?: string | {
flags?: string;
encoding?: BufferEncoding;
fd?: number;
mode?: number;
autoClose?: boolean;
/**
* @default false
*/
emitClose?: boolean;
start?: number;
end?: number;
highWaterMark?: number;
}): ReadStream;
/**
* Returns a new `WriteStream` object.
* @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
* URL support is _experimental_.
*/
export function createWriteStream(path: PathLike, options?: string | {
flags?: string;
encoding?: BufferEncoding;
fd?: number;
mode?: number;
autoClose?: boolean;
emitClose?: boolean;
start?: number;
highWaterMark?: number;
}): WriteStream;
/**
* Asynchronous fdatasync(2) - synchronize a file's in-core state with storage device.
* @param fd A file descriptor.
*/
export function fdatasync(fd: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
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>;
}
/**
* Synchronous fdatasync(2) - synchronize a file's in-core state with storage device.
* @param fd A file descriptor.
*/
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.
* @param src A path to the source file.
* @param dest A path to the destination file.
*/
export function copyFile(src: PathLike, dest: PathLike, callback: NoParamCallback): 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.
* @param src A path to the source file.
* @param dest A path to the destination file.
* @param flags An integer that specifies the behavior of the copy operation. The only supported flag is fs.constants.COPYFILE_EXCL, which causes the copy operation to fail if dest already exists.
*/
export function copyFile(src: PathLike, dest: PathLike, flags: number, callback: NoParamCallback): void;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
export namespace copyFile {
/**
* 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.
* @param src A path to the source file.
* @param dest A path to the destination file.
* @param flags An optional integer that specifies the behavior of the copy operation.
* The only supported flag is fs.constants.COPYFILE_EXCL,
* which causes the copy operation to fail if dest already exists.
*/
function __promisify__(src: PathLike, dst: PathLike, flags?: number): Promise<void>;
}
/**
* Synchronously copies src to dest. By default, dest is overwritten if it already exists.
* 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.
* @param src A path to the source file.
* @param dest A path to the destination file.
* @param flags An optional integer that specifies the behavior of the copy operation.
* The only supported flag is fs.constants.COPYFILE_EXCL, which causes the copy operation to fail if dest already exists.
*/
export function copyFileSync(src: PathLike, dest: PathLike, flags?: number): void;
/**
* Write an array of ArrayBufferViews to the file specified by fd using writev().
* position is the offset from the beginning of the file where this data should be written.
* It is unsafe to use fs.writev() multiple times on the same file without waiting for the callback. For this scenario, use fs.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.
*/
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>;
}
/**
* See `writev`.
*/
export function writevSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number;
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>;
}
/**
* See `readv`.
*/
export function readvSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number;
export interface OpenDirOptions {
encoding?: BufferEncoding;
/**
* 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;
}
export function opendirSync(path: string, options?: OpenDirOptions): Dir;
export function opendir(path: string, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void;
export function opendir(path: string, options: OpenDirOptions, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void;
export namespace opendir {
function __promisify__(path: string, options?: OpenDirOptions): Promise<Dir>;
}
export interface BigIntStats extends StatsBase<bigint> {
}
export class BigIntStats {
atimeNs: bigint;
mtimeNs: bigint;
ctimeNs: bigint;
birthtimeNs: bigint;
}
export interface BigIntOptions {
bigint: true;
}
export interface StatOptions {
bigint: boolean;
}
}