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diff --git a/packages/bun-types/types.d.ts b/packages/bun-types/types.d.ts new file mode 100644 index 000000000..555b501ec --- /dev/null +++ b/packages/bun-types/types.d.ts @@ -0,0 +1,6128 @@ +// Type definitions for bun 0.0 +// Project: https://github.com/Jarred-Sumner/bun +// Definitions by: Jarred Sumner <https://github.com/Jarred-Sumner> +// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped +/// <reference no-default-lib="true" /> +/// <reference lib="esnext" /> + +// This file is bundled so that your TypeScript editor integration loads it faster. +// ./bun.d.ts + +declare module "bun" { + export interface SystemError extends Error { + errno?: number | undefined; + code?: string | undefined; + path?: string | undefined; + syscall?: string | undefined; + } + + interface VoidFunction { + (): void; + } + + /** + * [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) powered by the fastest system calls available for operating on files. + * + * This Blob is lazy. That means it won't do any work until you read from it. + * + * - `size` will not be valid until the contents of the file are read at least once. + * - `type` is auto-set based on the file extension when possible + * + * @example + * ```js + * const file = Bun.file("./hello.json"); + * console.log(file.type); // "application/json" + * console.log(await file.text()); // '{"hello":"world"}' + * ``` + * + * @example + * ```js + * await Bun.write( + * Bun.file("./hello.txt"), + * "Hello, world!" + * ); + * ``` + * + */ + export interface FileBlob extends Blob { + /** + * Offset any operation on the file starting at `begin` and ending at `end`. `end` is relative to 0 + * + * Similar to [`TypedArray.subarray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/subarray). Does not copy the file, open the file, or modify the file. + * + * If `begin` > 0, {@link Bun.write()} will be slower on macOS + * + * @param begin - start offset in bytes + * @param end - absolute offset in bytes (relative to 0) + */ + slice(begin?: number, end?: number): FileBlob; + } + + /** + * This lets you use macros as regular imports + * @example + * ``` + * { + * "react-relay": { + * "graphql": "bun-macro-relay/bun-macro-relay.tsx" + * } + * } + * ``` + */ + export type MacroMap = Record<string, Record<string, string>>; + + /** + * Hash a string or array buffer using Wyhash + * + * This is not a cryptographic hash function. + * @param data The data to hash. + * @param seed The seed to use. + */ + export const hash: (( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint) & + Hash; + + interface Hash { + wyhash: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + crc32: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + adler32: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + cityHash32: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + cityHash64: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + murmur32v3: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + murmur64v2: ( + data: string | ArrayBufferView | ArrayBuffer, + seed?: number + ) => number | bigint; + } + + export type Platform = + /** + * When building for bun.js + */ + | "bun" + /** + * When building for the web + */ + | "browser" + /** + * When building for node.js + */ + | "node" + | "neutral"; + + export type JavaScriptLoader = "jsx" | "js" | "ts" | "tsx"; + + export interface TranspilerOptions { + /** + * Replace key with value. Value must be a JSON string. + * @example + * ``` + * { "process.env.NODE_ENV": "\"production\"" } + * ``` + */ + define?: Record<string, string>; + + /** What is the default loader used for this transpiler? */ + loader?: JavaScriptLoader; + + /** What platform are we targeting? This may affect how import and/or require is used */ + /** @example "browser" */ + platform?: Platform; + + /** + * TSConfig.json file as stringified JSON or an object + * Use this to set a custom JSX factory, fragment, or import source + * For example, if you want to use Preact instead of React. Or if you want to use Emotion. + */ + tsconfig?: string; + + /** + * Replace an import statement with a macro. + * + * This will remove the import statement from the final output + * and replace any function calls or template strings with the result returned by the macro + * + * @example + * ```json + * { + * "react-relay": { + * "graphql": "bun-macro-relay" + * } + * } + * ``` + * + * Code that calls `graphql` will be replaced with the result of the macro. + * + * ```js + * import {graphql} from "react-relay"; + * + * // Input: + * const query = graphql` + * query { + * ... on User { + * id + * } + * } + * }`; + * ``` + * + * Will be replaced with: + * + * ```js + * import UserQuery from "./UserQuery.graphql"; + * const query = UserQuery; + * ``` + */ + macros: MacroMap; + } + + /** + * Quickly transpile TypeScript, JSX, or JS to modern JavaScript. + * + * @example + * ```js + * const transpiler = new Bun.Transpiler(); + * transpiler.transformSync(` + * const App = () => <div>Hello World</div>; + *export default App; + * `); + * // This outputs: + * const output = ` + * const App = () => jsx("div", { + * children: "Hello World" + * }, undefined, false, undefined, this); + *export default App; + * ` + * ``` + * + */ + export class Transpiler { + constructor(options: TranspilerOptions); + + /** + * Transpile code from TypeScript or JSX into valid JavaScript. + * This function does not resolve imports. + * @param code The code to transpile + */ + transform(code: StringOrBuffer, loader?: JavaScriptLoader): Promise<string>; + /** + * Transpile code from TypeScript or JSX into valid JavaScript. + * This function does not resolve imports. + * @param code The code to transpile + * + */ + transformSync(code: StringOrBuffer, loader?: JavaScriptLoader): string; + + /** + * Get a list of import paths and paths from a TypeScript, JSX, TSX, or JavaScript file. + * @param code The code to scan + * @example + * ```js + * const {imports, exports} = transpiler.scan(` + * import {foo} from "baz"; + * const hello = "hi!"; + * `); + * + * console.log(imports); // ["baz"] + * console.log(exports); // ["hello"] + * ``` + */ + scan(code: StringOrBuffer): { exports: string[]; imports: Import[] }; + + /** + * Get a list of import paths from a TypeScript, JSX, TSX, or JavaScript file. + * @param code The code to scan + * @example + * ```js + * const imports = transpiler.scanImports(` + * import {foo} from "baz"; + * import type {FooType} from "bar"; + * import type {DogeType} from "wolf"; + * `); + * + * console.log(imports); // ["baz"] + * ``` + * This is a fast path which performs less work than `scan`. + */ + scanImports(code: StringOrBuffer): Import[]; + } + + export interface Import { + path: string; + + kind: + | "import-statement" + | "require-call" + | "require-resolve" + | "dynamic-import" + | "import-rule" + | "url-token" + | "internal" + | "entry-point"; + } + + export interface ServeOptions { + /** + * What port should the server listen on? + * @default process.env.PORT || "3000" + */ + port?: string | number; + + /** + * What hostname should the server listen on? + * + * @default + * ```js + * "0.0.0.0" // listen on all interfaces + * ``` + * @example + * ```js + * "127.0.0.1" // Only listen locally + * ``` + * @example + * ```js + * "remix.run" // Only listen on remix.run + * ```` + * + * note: hostname should not include a {@link port} + */ + hostname?: string; + + /** + * What URI should be used to make {@link Request.url} absolute? + * + * By default, looks at {@link hostname}, {@link port}, and whether or not SSL is enabled to generate one + * + * @example + *```js + * "http://my-app.com" + * ``` + * + * @example + *```js + * "https://wongmjane.com/" + * ``` + * + * This should be the public, absolute URL – include the protocol and {@link hostname}. If the port isn't 80 or 443, then include the {@link port} too. + * + * @example + * "http://localhost:3000" + * + */ + baseURI?: string; + + /** + * What is the maximum size of a request body? (in bytes) + * @default 1024 * 1024 * 128 // 128MB + */ + maxRequestBodySize?: number; + + /** + * Render contextual errors? This enables bun's error page + * @default process.env.NODE_ENV !== 'production' + */ + development?: boolean; + + /** + * Handle HTTP requests + * + * Respond to {@link Request} objects with a {@link Response} object. + * + */ + fetch(request: Request): Response | Promise<Response>; + + error?: ( + request: Errorlike + ) => Response | Promise<Response> | undefined | Promise<undefined>; + } + + export interface Errorlike extends Error { + code?: string; + errno?: number; + syscall?: string; + } + + export interface SSLAdvancedOptions { + passphrase?: string; + caFile?: string; + dhParamsFile?: string; + + /** + * This sets `OPENSSL_RELEASE_BUFFERS` to 1. + * It reduces overall performance but saves some memory. + * @default false + */ + lowMemoryMode?: boolean; + } + interface SSLOptions { + /** + * File path to a TLS key + * + * To enable TLS, this option is required. + */ + keyFile: string; + /** + * File path to a TLS certificate + * + * To enable TLS, this option is required. + */ + certFile: string; + } + + export type SSLServeOptions = ServeOptions & + SSLOptions & + SSLAdvancedOptions & { + /** + * The keys are [SNI](https://en.wikipedia.org/wiki/Server_Name_Indication) hostnames. + * The values are SSL options objects. + */ + serverNames: Record<string, SSLOptions & SSLAdvancedOptions>; + }; + + export type Serve = SSLServeOptions | ServeOptions; + /** + * Start a fast HTTP server. + * + * @param options Server options (port defaults to $PORT || 8080) + * + * ----- + * + * @example + * + * ```ts + * Bun.serve({ + * fetch(req: Request): Response | Promise<Response> { + * return new Response("Hello World!"); + * }, + * + * // Optional port number - the default value is 3000 + * port: process.env.PORT || 3000, + * }); + * ``` + * ----- + * + * @example + * + * Send a file + * + * ```ts + * Bun.serve({ + * fetch(req: Request): Response | Promise<Response> { + * return new Response(Bun.file("./package.json")); + * }, + * + * // Optional port number - the default value is 3000 + * port: process.env.PORT || 3000, + * }); + * ``` + */ + export function serve(options: Serve): void; + + /** + * + * Use the fastest syscalls available to copy from `input` into `destination`. + * + * If `destination` exists, it must be a regular file or symlink to a file. + * + * @param destination The file or file path to write to + * @param input The data to copy into `destination`. + * @returns A promise that resolves with the number of bytes written. + */ + // tslint:disable-next-line:unified-signatures + export function write( + destination: FileBlob | PathLike, + input: Blob | TypedArray | string | BlobPart[] + ): Promise<number>; + + /** + * + * Persist a {@link Response} body to disk. + * + * @param destination The file to write to. If the file doesn't exist, + * it will be created and if the file does exist, it will be + * overwritten. If `input`'s size is less than `destination`'s size, + * `destination` will be truncated. + * @param input - `Response` object + * @returns A promise that resolves with the number of bytes written. + */ + export function write( + destination: FileBlob, + input: Response + ): Promise<number>; + + /** + * + * Persist a {@link Response} body to disk. + * + * @param destinationPath The file path to write to. If the file doesn't + * exist, it will be created and if the file does exist, it will be + * overwritten. If `input`'s size is less than `destination`'s size, + * `destination` will be truncated. + * @param input - `Response` object + * @returns A promise that resolves with the number of bytes written. + */ + // tslint:disable-next-line:unified-signatures + export function write( + destinationPath: PathLike, + input: Response + ): Promise<number>; + + /** + * + * Use the fastest syscalls available to copy from `input` into `destination`. + * + * If `destination` exists, it must be a regular file or symlink to a file. + * + * On Linux, this uses `copy_file_range`. + * + * On macOS, when the destination doesn't already exist, this uses + * [`clonefile()`](https://www.manpagez.com/man/2/clonefile/) and falls + * back to [`fcopyfile()`](https://www.manpagez.com/man/2/fcopyfile/) + * + * @param destination The file to write to. If the file doesn't exist, + * it will be created and if the file does exist, it will be + * overwritten. If `input`'s size is less than `destination`'s size, + * `destination` will be truncated. + * @param input The file to copy from. + * @returns A promise that resolves with the number of bytes written. + */ + // tslint:disable-next-line:unified-signatures + export function write( + destination: FileBlob, + input: FileBlob + ): Promise<number>; + + /** + * + * Use the fastest syscalls available to copy from `input` into `destination`. + * + * If `destination` exists, it must be a regular file or symlink to a file. + * + * On Linux, this uses `copy_file_range`. + * + * On macOS, when the destination doesn't already exist, this uses + * [`clonefile()`](https://www.manpagez.com/man/2/clonefile/) and falls + * back to [`fcopyfile()`](https://www.manpagez.com/man/2/fcopyfile/) + * + * @param destinationPath The file path to write to. If the file doesn't + * exist, it will be created and if the file does exist, it will be + * overwritten. If `input`'s size is less than `destination`'s size, + * `destination` will be truncated. + * @param input The file to copy from. + * @returns A promise that resolves with the number of bytes written. + */ + // tslint:disable-next-line:unified-signatures + export function write( + destinationPath: PathLike, + input: FileBlob + ): Promise<number>; + + /** + * Resolve a `moduleId` as though it were imported from `parent` + * + * On failure, throws a `ResolveError` + * + * For now, use the sync version. There is zero performance benefit to using this async version. It exists for future-proofing. + */ + // tslint:disable-next-line:unified-signatures + export function resolve(moduleId: string, parent: string): Promise<string>; + + /** + * Synchronously resolve a `moduleId` as though it were imported from `parent` + * + * On failure, throws a `ResolveError` + */ + // tslint:disable-next-line:unified-signatures + export function resolveSync(moduleId: string, parent: string): string; + + /** + * [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) powered by the fastest system calls available for operating on files. + * + * This Blob is lazy. That means it won't do any work until you read from it. + * + * - `size` will not be valid until the contents of the file are read at least once. + * - `type` is auto-set based on the file extension when possible + * + * @example + * ```js + * const file = Bun.file("./hello.json"); + * console.log(file.type); // "application/json" + * console.log(await file.json()); // { hello: "world" } + * ``` + * + * @example + * ```js + * await Bun.write( + * Bun.file("./hello.txt"), + * "Hello, world!" + * ); + * ``` + * @param path The path to the file (lazily loaded) + * + */ + // tslint:disable-next-line:unified-signatures + export function file(path: string, options?: BlobPropertyBag): FileBlob; + + /** + * `Blob` that leverages the fastest system calls available to operate on files. + * + * This Blob is lazy. It won't do any work until you read from it. Errors propagate as promise rejections. + * + * `Blob.size` will not be valid until the contents of the file are read at least once. + * `Blob.type` will have a default set based on the file extension + * + * @example + * ```js + * const file = Bun.file(new TextEncoder.encode("./hello.json")); + * console.log(file.type); // "application/json" + * ``` + * + * @param path The path to the file as a byte buffer (the buffer is copied) + */ + // tslint:disable-next-line:unified-signatures + export function file( + path: ArrayBufferLike | Uint8Array, + options?: BlobPropertyBag + ): FileBlob; + + /** + * [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) powered by the fastest system calls available for operating on files. + * + * This Blob is lazy. That means it won't do any work until you read from it. + * + * - `size` will not be valid until the contents of the file are read at least once. + * + * @example + * ```js + * const file = Bun.file(fd); + * ``` + * + * @param fileDescriptor The file descriptor of the file + */ + // tslint:disable-next-line:unified-signatures + export function file( + fileDescriptor: number, + options?: BlobPropertyBag + ): FileBlob; + + /** + * Allocate a new [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) without zeroing the bytes. + * + * This can be 3.5x faster than `new Uint8Array(size)`, but if you send uninitialized memory to your users (even unintentionally), it can potentially leak anything recently in memory. + */ + export function allocUnsafe(size: number): Uint8Array; + + /** + * Pretty-print an object the same as {@link console.log} to a `string` + * + * Supports JSX + * + * @param args + */ + export function inspect(...args: any): string; + + interface MMapOptions { + /** + * Sets MAP_SYNC flag on Linux. Ignored on macOS due to lack of support. + */ + sync?: boolean; + /** + * Allow other processes to see results instantly? + * This enables MAP_SHARED. If false, it enables MAP_PRIVATE. + * @default true + */ + shared?: boolean; + } + /** + * Open a file as a live-updating `Uint8Array` without copying memory + * - Writing to the array writes to the file. + * - Reading from the array reads from the file. + * + * This uses the [`mmap()`](https://man7.org/linux/man-pages/man2/mmap.2.html) syscall under the hood. + * + * --- + * + * This API inherently has some rough edges: + * - It does not support empty files. It will throw a `SystemError` with `EINVAL` + * - Usage on shared/networked filesystems is discouraged. It will be very slow. + * - If you delete or truncate the file, that will crash bun. This is called a segmentation fault. + * + * --- + * + * To close the file, set the array to `null` and it will be garbage collected eventually. + * + */ + export function mmap(path: PathLike, opts?: MMapOptions): Uint8Array; + + /** Write to stdout */ + const stdout: FileBlob; + /** Write to stderr */ + const stderr: FileBlob; + /** + * Read from stdin + * + * This is read-only + */ + const stdin: FileBlob; + + interface unsafe { + /** + * Cast bytes to a `String` without copying. This is the fastest way to get a `String` from a `Uint8Array` or `ArrayBuffer`. + * + * **Only use this for ASCII strings**. If there are non-ascii characters, your application may crash and/or very confusing bugs will happen such as `"foo" !== "foo"`. + * + * **The input buffer must not be garbage collected**. That means you will need to hold on to it for the duration of the string's lifetime. + * + */ + arrayBufferToString(buffer: Uint8Array | ArrayBufferLike): string; + + /** + * Cast bytes to a `String` without copying. This is the fastest way to get a `String` from a `Uint16Array` + * + * **The input must be a UTF-16 encoded string**. This API does no validation whatsoever. + * + * **The input buffer must not be garbage collected**. That means you will need to hold on to it for the duration of the string's lifetime. + * + */ + // tslint:disable-next-line:unified-signatures + arrayBufferToString(buffer: Uint16Array): string; + + /** Mock bun's segfault handler. You probably don't want to use this */ + segfault(): void; + } + export const unsafe: unsafe; + + /** + * Are ANSI colors enabled for stdin and stdout? + * + * Used for {@link console.log} + */ + export const enableANSIColors: boolean; + + /** + * What script launched bun? + * + * Absolute file path + * + * @example "/never-gonna-give-you-up.js" + */ + export const main: string; + + /** + * Manually trigger the garbage collector + * + * This does two things: + * 1. It tells JavaScriptCore to run the garbage collector + * 2. It tells [mimalloc](https://github.com/microsoft/mimalloc) to clean up fragmented memory. Mimalloc manages the heap not used in JavaScriptCore. + * + * @param force Synchronously run the garbage collector + */ + export function gc(force: boolean): void; + + /** + * JavaScriptCore engine's internal heap snapshot + * + * I don't know how to make this something Chrome or Safari can read. + * + * If you have any ideas, please file an issue https://github.com/Jarred-Sumner/bun + */ + interface HeapSnapshot { + /** "2" */ + version: string; + + /** "Inspector" */ + type: string; + + nodes: number[]; + + nodeClassNames: string[]; + edges: number[]; + edgeTypes: string[]; + edgeNames: string[]; + } + + /** + * Generate a heap snapshot for seeing where the heap is being used + */ + export function generateHeapSnapshot(): HeapSnapshot; + + /** + * The next time JavaScriptCore is idle, clear unused memory and attempt to reduce the heap size. + */ + export function shrink(): void; + + /** + * Open a file in your local editor. Auto-detects via `$VISUAL` || `$EDITOR` + * + * @param path path to open + */ + export function openInEditor(path: string, options?: EditorOptions): void; + + interface EditorOptions { + editor?: "vscode" | "subl"; + line?: number; + column?: number; + } +} + +type TypedArray = + | Uint8Array + | Int8Array + | Uint8ClampedArray + | Int16Array + | Uint16Array + | Int32Array + | Uint32Array + | Float32Array + | Float64Array; +type TimeLike = string | number | Date; +type StringOrBuffer = string | TypedArray | ArrayBufferLike; +type PathLike = string | TypedArray | ArrayBufferLike; +type PathOrFileDescriptor = PathLike | number; +type NoParamCallback = VoidFunction; +type BufferEncoding = + | "buffer" + | "utf8" + | "utf-8" + | "ascii" + | "utf16le" + | "ucs2" + | "ucs-2" + | "latin1" + | "binary"; + +interface BufferEncodingOption { + encoding?: BufferEncoding; +} + +declare var Bun: typeof import("bun"); + + +// ./fs.d.ts + +/** + * The `fs` module enables interacting with the file system in a + * way modeled on standard POSIX functions. + * + * ```js + * import * as fs from 'fs'; + * ``` + * + * All file system operations have synchronous and callback + * forms, and are accessible using both CommonJS syntax and ES6 Modules (ESM). + */ +declare module "fs" { + import type { + Buffer, + BufferEncoding, + BufferEncodingOption, + NoParamCallback, + PathLike, + PathOrFileDescriptor, + SystemError, + TimeLike, + } from "bun"; + + interface ObjectEncodingOptions { + encoding?: BufferEncoding | null | undefined; + } + type EncodingOption = + | ObjectEncodingOptions + | BufferEncoding + | undefined + | null; + type OpenMode = number | string; + type Mode = number | string; + 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; + } + interface Stats extends StatsBase<number> {} + /** + * A `fs.Stats` object provides information about a file. + * + * Objects returned from {@link stat}, {@link lstat} and {@link fstat} and + * their synchronous counterparts are of this type. + * If `bigint` in the `options` passed to those methods is true, the numeric values + * will be `bigint` instead of `number`, and the object will contain additional + * nanosecond-precision properties suffixed with `Ns`. + * + * ```console + * Stats { + * dev: 2114, + * ino: 48064969, + * mode: 33188, + * nlink: 1, + * uid: 85, + * gid: 100, + * rdev: 0, + * size: 527, + * blksize: 4096, + * blocks: 8, + * atimeMs: 1318289051000.1, + * mtimeMs: 1318289051000.1, + * ctimeMs: 1318289051000.1, + * birthtimeMs: 1318289051000.1, + * atime: Mon, 10 Oct 2011 23:24:11 GMT, + * mtime: Mon, 10 Oct 2011 23:24:11 GMT, + * ctime: Mon, 10 Oct 2011 23:24:11 GMT, + * birthtime: Mon, 10 Oct 2011 23:24:11 GMT } + * ``` + * + * `bigint` version: + * + * ```console + * BigIntStats { + * dev: 2114n, + * ino: 48064969n, + * mode: 33188n, + * nlink: 1n, + * uid: 85n, + * gid: 100n, + * rdev: 0n, + * size: 527n, + * blksize: 4096n, + * blocks: 8n, + * atimeMs: 1318289051000n, + * mtimeMs: 1318289051000n, + * ctimeMs: 1318289051000n, + * birthtimeMs: 1318289051000n, + * atimeNs: 1318289051000000000n, + * mtimeNs: 1318289051000000000n, + * ctimeNs: 1318289051000000000n, + * birthtimeNs: 1318289051000000000n, + * atime: Mon, 10 Oct 2011 23:24:11 GMT, + * mtime: Mon, 10 Oct 2011 23:24:11 GMT, + * ctime: Mon, 10 Oct 2011 23:24:11 GMT, + * birthtime: Mon, 10 Oct 2011 23:24:11 GMT } + * ``` + * @since v0.0.67 + */ + class Stats {} + /** + * A representation of a directory entry, which can be a file or a subdirectory + * within the directory, as returned by reading from an `fs.Dir`. The + * directory entry is a combination of the file name and file type pairs. + * + * Additionally, when {@link readdir} or {@link readdirSync} is called with + * the `withFileTypes` option set to `true`, the resulting array is filled with `fs.Dirent` objects, rather than strings or `Buffer` s. + * @since v0.0.67 + */ + class Dirent { + /** + * Returns `true` if the `fs.Dirent` object describes a regular file. + * @since v0.0.67 + */ + isFile(): boolean; + /** + * Returns `true` if the `fs.Dirent` object describes a file system + * directory. + * @since v0.0.67 + */ + isDirectory(): boolean; + /** + * Returns `true` if the `fs.Dirent` object describes a block device. + * @since v0.0.67 + */ + isBlockDevice(): boolean; + /** + * Returns `true` if the `fs.Dirent` object describes a character device. + * @since v0.0.67 + */ + isCharacterDevice(): boolean; + /** + * Returns `true` if the `fs.Dirent` object describes a symbolic link. + * @since v0.0.67 + */ + isSymbolicLink(): boolean; + /** + * Returns `true` if the `fs.Dirent` object describes a first-in-first-out + * (FIFO) pipe. + * @since v0.0.67 + */ + isFIFO(): boolean; + /** + * Returns `true` if the `fs.Dirent` object describes a socket. + * @since v0.0.67 + */ + isSocket(): boolean; + /** + * The file name that this `fs.Dirent` object refers to. The type of this + * value is determined by the `options.encoding` passed to {@link readdir} or {@link readdirSync}. + * @since v0.0.67 + */ + name: string; + } + + /** + * Asynchronously rename file at `oldPath` to the pathname provided + * as `newPath`. In the case that `newPath` already exists, it will + * be overwritten. If there is a directory at `newPath`, an error will + * be raised instead. No arguments other than a possible exception are + * given to the completion callback. + * + * See also: [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html). + * + * ```js + * import { rename } from 'fs'; + * + * rename('oldFile.txt', 'newFile.txt', (err) => { + * if (err) throw err; + * console.log('Rename complete!'); + * }); + * ``` + * @since v0.0.67 + */ + function rename( + oldPath: PathLike, + newPath: PathLike, + callback: NoParamCallback + ): void; + // namespace rename { + // /** + // * Asynchronous rename(2) - Change the name or location of a file or directory. + // * @param oldPath A path to a file. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // */ + // function __promisify__(oldPath: PathLike, newPath: PathLike): Promise<void>; + // } + /** + * Renames the file from `oldPath` to `newPath`. Returns `undefined`. + * + * See the POSIX [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html) documentation for more details. + * @since v0.0.67 + */ + function renameSync(oldPath: PathLike, newPath: PathLike): void; + /** + * Truncates the file. No arguments other than a possible exception are + * given to the completion callback. A file descriptor can also be passed as the + * first argument. In this case, `fs.ftruncate()` is called. + * + * ```js + * import { truncate } from 'fs'; + * // Assuming that 'path/file.txt' is a regular file. + * truncate('path/file.txt', (err) => { + * if (err) throw err; + * console.log('path/file.txt was truncated'); + * }); + * ``` + * + * Passing a file descriptor is deprecated and may result in an error being thrown + * in the future. + * + * See the POSIX [`truncate(2)`](http://man7.org/linux/man-pages/man2/truncate.2.html) documentation for more details. + * @since v0.0.67 + * @param [len=0] + */ + 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. + */ + function truncate(path: PathLike, callback: NoParamCallback): void; + // namespace truncate { + // /** + // * Asynchronous truncate(2) - Truncate a file to a specified length. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param len If not specified, defaults to `0`. + // */ + // function __promisify__(path: PathLike, len?: number | null): Promise<void>; + // } + /** + * Truncates the file. Returns `undefined`. A file descriptor can also be + * passed as the first argument. In this case, `fs.ftruncateSync()` is called. + * + * Passing a file descriptor is deprecated and may result in an error being thrown + * in the future. + * @since v0.0.67 + * @param [len=0] + */ + function truncateSync(path: PathLike, len?: number | null): void; + /** + * Truncates the file descriptor. No arguments other than a possible exception are + * given to the completion callback. + * + * See the POSIX [`ftruncate(2)`](http://man7.org/linux/man-pages/man2/ftruncate.2.html) documentation for more detail. + * + * If the file referred to by the file descriptor was larger than `len` bytes, only + * the first `len` bytes will be retained in the file. + * + * For example, the following program retains only the first four bytes of the + * file: + * + * ```js + * import { open, close, ftruncate } from 'fs'; + * + * function closeFd(fd) { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * + * open('temp.txt', 'r+', (err, fd) => { + * if (err) throw err; + * + * try { + * ftruncate(fd, 4, (err) => { + * closeFd(fd); + * if (err) throw err; + * }); + * } catch (err) { + * closeFd(fd); + * if (err) throw err; + * } + * }); + * ``` + * + * If the file previously was shorter than `len` bytes, it is extended, and the + * extended part is filled with null bytes (`'\0'`): + * + * If `len` is negative then `0` will be used. + * @since v0.0.67 + * @param [len=0] + */ + 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. + */ + function ftruncate(fd: number, callback: NoParamCallback): void; + // namespace ftruncate { + // /** + // * Asynchronous ftruncate(2) - Truncate a file to a specified length. + // * @param fd A file descriptor. + // * @param len If not specified, defaults to `0`. + // */ + // function __promisify__(fd: number, len?: number | null): Promise<void>; + // } + /** + * Truncates the file descriptor. Returns `undefined`. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link ftruncate}. + * @since v0.0.67 + * @param [len=0] + */ + function ftruncateSync(fd: number, len?: number | null): void; + /** + * Asynchronously changes owner and group of a file. No arguments other than a + * possible exception are given to the completion callback. + * + * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail. + * @since v0.0.67 + */ + function chown( + path: PathLike, + uid: number, + gid: number, + callback: NoParamCallback + ): void; + // namespace chown { + // /** + // * Asynchronous chown(2) - Change ownership of a file. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__( + // path: PathLike, + // uid: number, + // gid: number + // ): Promise<void>; + // } + /** + * Synchronously changes owner and group of a file. Returns `undefined`. + * This is the synchronous version of {@link chown}. + * + * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail. + * @since v0.0.67 + */ + function chownSync(path: PathLike, uid: number, gid: number): void; + /** + * Sets the owner of the file. No arguments other than a possible exception are + * given to the completion callback. + * + * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail. + * @since v0.0.67 + */ + function fchown( + fd: number, + uid: number, + gid: number, + callback: NoParamCallback + ): void; + // namespace fchown { + // /** + // * Asynchronous fchown(2) - Change ownership of a file. + // * @param fd A file descriptor. + // */ + // function __promisify__(fd: number, uid: number, gid: number): Promise<void>; + // } + /** + * Sets the owner of the file. Returns `undefined`. + * + * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail. + * @since v0.0.67 + * @param uid The file's new owner's user id. + * @param gid The file's new group's group id. + */ + function fchownSync(fd: number, uid: number, gid: number): void; + /** + * Set the owner of the symbolic link. No arguments other than a possible + * exception are given to the completion callback. + * + * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more detail. + */ + function lchown( + path: PathLike, + uid: number, + gid: number, + callback: NoParamCallback + ): void; + // namespace lchown { + // /** + // * Asynchronous lchown(2) - Change ownership of a file. Does not dereference symbolic links. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__( + // path: PathLike, + // uid: number, + // gid: number + // ): Promise<void>; + // } + /** + * Set the owner for the path. Returns `undefined`. + * + * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more details. + * @param uid The file's new owner's user id. + * @param gid The file's new group's group id. + */ + function lchownSync(path: PathLike, uid: number, gid: number): void; + /** + * Changes the access and modification times of a file in the same way as {@link utimes}, with the difference that if the path refers to a symbolic + * link, then the link is not dereferenced: instead, the timestamps of the + * symbolic link itself are changed. + * + * No arguments other than a possible exception are given to the completion + * callback. + * @since v0.0.67 + */ + function lutimes( + path: PathLike, + atime: TimeLike, + mtime: TimeLike, + callback: NoParamCallback + ): void; + // namespace lutimes { + // /** + // * Changes the access and modification times of a file in the same way as `fsPromises.utimes()`, + // * with the difference that if the path refers to a symbolic link, then the link is not + // * dereferenced: instead, the timestamps of the symbolic link itself are changed. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param atime The last access time. If a string is provided, it will be coerced to number. + // * @param mtime The last modified time. If a string is provided, it will be coerced to number. + // */ + // function __promisify__( + // path: PathLike, + // atime: TimeLike, + // mtime: TimeLike + // ): Promise<void>; + // } + /** + * Change the file system timestamps of the symbolic link referenced by `path`. + * Returns `undefined`, or throws an exception when parameters are incorrect or + * the operation fails. This is the synchronous version of {@link lutimes}. + * @since v0.0.67 + */ + function lutimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void; + /** + * Asynchronously changes the permissions of a file. No arguments other than a + * possible exception are given to the completion callback. + * + * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail. + * + * ```js + * import { chmod } from 'fs'; + * + * chmod('my_file.txt', 0o775, (err) => { + * if (err) throw err; + * console.log('The permissions for file "my_file.txt" have been changed!'); + * }); + * ``` + * @since v0.0.67 + */ + function chmod(path: PathLike, mode: Mode, callback: NoParamCallback): void; + // namespace chmod { + // /** + // * Asynchronous chmod(2) - Change permissions of a file. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param mode A file mode. If a string is passed, it is parsed as an octal integer. + // */ + // function __promisify__(path: PathLike, mode: Mode): Promise<void>; + // } + /** + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link chmod}. + * + * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail. + * @since v0.0.67 + */ + function chmodSync(path: PathLike, mode: Mode): void; + /** + * Sets the permissions on the file. No arguments other than a possible exception + * are given to the completion callback. + * + * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail. + * @since v0.0.67 + */ + function fchmod(fd: number, mode: Mode, callback: NoParamCallback): void; + // namespace fchmod { + // /** + // * Asynchronous fchmod(2) - Change permissions of a file. + // * @param fd A file descriptor. + // * @param mode A file mode. If a string is passed, it is parsed as an octal integer. + // */ + // function __promisify__(fd: number, mode: Mode): Promise<void>; + // } + /** + * Sets the permissions on the file. Returns `undefined`. + * + * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail. + * @since v0.0.67 + */ + function fchmodSync(fd: number, mode: Mode): void; + /** + * Changes the permissions on a symbolic link. No arguments other than a possible + * exception are given to the completion callback. + * + * This method is only implemented on macOS. + * + * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail. + * @deprecated Since v0.4.7 + */ + function lchmod(path: PathLike, mode: Mode, callback: NoParamCallback): void; + // /** @deprecated */ + // namespace lchmod { + // /** + // * Asynchronous lchmod(2) - Change permissions of a file. Does not dereference symbolic links. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param mode A file mode. If a string is passed, it is parsed as an octal integer. + // */ + // function __promisify__(path: PathLike, mode: Mode): Promise<void>; + // } + /** + * Changes the permissions on a symbolic link. Returns `undefined`. + * + * This method is only implemented on macOS. + * + * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail. + * @deprecated Since v0.4.7 + */ + function lchmodSync(path: PathLike, mode: Mode): void; + /** + * Asynchronous [`stat(2)`](http://man7.org/linux/man-pages/man2/stat.2.html). The callback gets two arguments `(err, stats)` where`stats` is an `fs.Stats` object. + * + * In case of an error, the `err.code` will be one of `Common System Errors`. + * + * Using `fs.stat()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended. + * Instead, user code should open/read/write the file directly and handle the + * error raised if the file is not available. + * + * To check if a file exists without manipulating it afterwards, {@link access} is recommended. + * + * For example, given the following directory structure: + * + * ```text + * - txtDir + * -- file.txt + * - app.js + * ``` + * + * The next program will check for the stats of the given paths: + * + * ```js + * import { stat } from 'fs'; + * + * const pathsToCheck = ['./txtDir', './txtDir/file.txt']; + * + * for (let i = 0; i < pathsToCheck.length; i++) { + * stat(pathsToCheck[i], (err, stats) => { + * console.log(stats.isDirectory()); + * console.log(stats); + * }); + * } + * ``` + * + * The resulting output will resemble: + * + * ```console + * true + * Stats { + * dev: 16777220, + * mode: 16877, + * nlink: 3, + * uid: 501, + * gid: 20, + * rdev: 0, + * blksize: 4096, + * ino: 14214262, + * size: 96, + * blocks: 0, + * atimeMs: 1561174653071.963, + * mtimeMs: 1561174614583.3518, + * ctimeMs: 1561174626623.5366, + * birthtimeMs: 1561174126937.2893, + * atime: 2019-06-22T03:37:33.072Z, + * mtime: 2019-06-22T03:36:54.583Z, + * ctime: 2019-06-22T03:37:06.624Z, + * birthtime: 2019-06-22T03:28:46.937Z + * } + * false + * Stats { + * dev: 16777220, + * mode: 33188, + * nlink: 1, + * uid: 501, + * gid: 20, + * rdev: 0, + * blksize: 4096, + * ino: 14214074, + * size: 8, + * blocks: 8, + * atimeMs: 1561174616618.8555, + * mtimeMs: 1561174614584, + * ctimeMs: 1561174614583.8145, + * birthtimeMs: 1561174007710.7478, + * atime: 2019-06-22T03:36:56.619Z, + * mtime: 2019-06-22T03:36:54.584Z, + * ctime: 2019-06-22T03:36:54.584Z, + * birthtime: 2019-06-22T03:26:47.711Z + * } + * ``` + * @since v0.0.67 + */ + function stat( + path: PathLike, + callback: (err: SystemError | null, stats: Stats) => void + ): void; + function stat( + path: PathLike, + options: + | (StatOptions & { + bigint?: false | undefined; + }) + | undefined, + callback: (err: SystemError | null, stats: Stats) => void + ): void; + function stat( + path: PathLike, + options: StatOptions & { + bigint: true; + }, + callback: (err: SystemError | null, stats: BigIntStats) => void + ): void; + function stat( + path: PathLike, + options: StatOptions | undefined, + callback: (err: SystemError | null, stats: Stats | BigIntStats) => void + ): void; + // namespace stat { + // /** + // * Asynchronous stat(2) - Get file status. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__( + // path: PathLike, + // options?: StatOptions & { + // bigint?: false | undefined; + // } + // ): Promise<Stats>; + // function __promisify__( + // path: PathLike, + // options: StatOptions & { + // bigint: true; + // } + // ): Promise<BigIntStats>; + // function __promisify__( + // path: PathLike, + // options?: StatOptions + // ): Promise<Stats | BigIntStats>; + // } + // tslint:disable-next-line:unified-signatures + interface StatSyncFn extends Function { + // tslint:disable-next-line:unified-signatures + (path: PathLike, options?: undefined): Stats; + ( + path: PathLike, + options?: StatSyncOptions & { + bigint?: false | undefined; + throwIfNoEntry: false; + } + ): Stats | undefined; + ( + path: PathLike, + options: StatSyncOptions & { + bigint: true; + throwIfNoEntry: false; + } + ): BigIntStats | undefined; + // tslint:disable-next-line:unified-signatures + ( + path: PathLike, + // tslint:disable-next-line:unified-signatures + options?: StatSyncOptions & { + bigint?: false | undefined; + } + ): Stats; + ( + path: PathLike, + options: StatSyncOptions & { + bigint: true; + } + ): BigIntStats; + ( + path: PathLike, + options: StatSyncOptions & { + bigint: boolean; + throwIfNoEntry?: false | undefined; + } + ): Stats | BigIntStats; + (path: PathLike, options?: StatSyncOptions): + | Stats + | BigIntStats + | undefined; + } + /** + * Synchronous stat(2) - Get file status. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + */ + var statSync: StatSyncFn; + /** + * Invokes the callback with the `fs.Stats` for the file descriptor. + * + * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail. + * @since v0.0.67 + */ + function fstat( + fd: number, + callback: (err: SystemError | null, stats: Stats) => void + ): void; + function fstat( + fd: number, + options: + | (StatOptions & { + bigint?: false | undefined; + }) + | undefined, + callback: (err: SystemError | null, stats: Stats) => void + ): void; + function fstat( + fd: number, + options: StatOptions & { + bigint: true; + }, + callback: (err: SystemError | null, stats: BigIntStats) => void + ): void; + function fstat( + fd: number, + options: StatOptions | undefined, + callback: (err: SystemError | null, stats: Stats | BigIntStats) => void + ): void; + // namespace fstat { + // /** + // * Asynchronous fstat(2) - Get file status. + // * @param fd A file descriptor. + // */ + // function __promisify__( + // fd: number, + // options?: StatOptions & { + // bigint?: false | undefined; + // } + // ): Promise<Stats>; + // function __promisify__( + // fd: number, + // options: StatOptions & { + // bigint: true; + // } + // ): Promise<BigIntStats>; + // function __promisify__( + // fd: number, + // options?: StatOptions + // ): Promise<Stats | BigIntStats>; + // } + /** + * Retrieves the `fs.Stats` for the file descriptor. + * + * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail. + * @since v0.0.67 + */ + function fstatSync( + fd: number, + options?: StatOptions & { + bigint?: false | undefined; + } + ): Stats; + function fstatSync( + fd: number, + options: StatOptions & { + bigint: true; + } + ): BigIntStats; + function fstatSync(fd: number, options?: StatOptions): Stats | BigIntStats; + /** + * Retrieves the `fs.Stats` for the symbolic link referred to by the path. + * The callback gets two arguments `(err, stats)` where `stats` is a `fs.Stats` object. `lstat()` is identical to `stat()`, except that if `path` is a symbolic + * link, then the link itself is stat-ed, not the file that it refers to. + * + * See the POSIX [`lstat(2)`](http://man7.org/linux/man-pages/man2/lstat.2.html) documentation for more details. + * @since v0.0.67 + */ + function lstat( + path: PathLike, + callback: (err: SystemError | null, stats: Stats) => void + ): void; + function lstat( + path: PathLike, + options: + | (StatOptions & { + bigint?: false | undefined; + }) + | undefined, + callback: (err: SystemError | null, stats: Stats) => void + ): void; + function lstat( + path: PathLike, + options: StatOptions & { + bigint: true; + }, + callback: (err: SystemError | null, stats: BigIntStats) => void + ): void; + function lstat( + path: PathLike, + options: StatOptions | undefined, + callback: (err: SystemError | null, stats: Stats | BigIntStats) => void + ): void; + // namespace lstat { + // /** + // * Asynchronous lstat(2) - Get file status. Does not dereference symbolic links. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__( + // path: PathLike, + // options?: StatOptions & { + // bigint?: false | undefined; + // } + // ): Promise<Stats>; + // function __promisify__( + // path: PathLike, + // options: StatOptions & { + // bigint: true; + // } + // ): Promise<BigIntStats>; + // function __promisify__( + // path: PathLike, + // options?: StatOptions + // ): Promise<Stats | BigIntStats>; + // } + /** + * Synchronous lstat(2) - Get file status. Does not dereference symbolic links. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + */ + var lstatSync: StatSyncFn; + /** + * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. No arguments other than + * a possible + * exception are given to the completion callback. + * @since v0.0.67 + */ + function link( + existingPath: PathLike, + newPath: PathLike, + callback: NoParamCallback + ): void; + // namespace link { + // /** + // * Asynchronous link(2) - Create a new link (also known as a hard link) to an existing file. + // * @param existingPath A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__( + // existingPath: PathLike, + // newPath: PathLike + // ): Promise<void>; + // } + /** + * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. Returns `undefined`. + * @since v0.0.67 + */ + function linkSync(existingPath: PathLike, newPath: PathLike): void; + /** + * Creates the link called `path` pointing to `target`. No arguments other than a + * possible exception are given to the completion callback. + * + * See the POSIX [`symlink(2)`](http://man7.org/linux/man-pages/man2/symlink.2.html) documentation for more details. + * + * The `type` argument is only available on Windows and ignored on other platforms. + * It can be set to `'dir'`, `'file'`, or `'junction'`. If the `type` argument is + * not set, Node.js will autodetect `target` type and use `'file'` or `'dir'`. If + * the `target` does not exist, `'file'` will be used. Windows junction points + * require the destination path to be absolute. When using `'junction'`, the`target` argument will automatically be normalized to absolute path. + * + * Relative targets are relative to the link’s parent directory. + * + * ```js + * import { symlink } from 'fs'; + * + * symlink('./mew', './example/mewtwo', callback); + * ``` + * + * The above example creates a symbolic link `mewtwo` in the `example` which points + * to `mew` in the same directory: + * + * ```bash + * $ tree example/ + * example/ + * ├── mew + * └── mewtwo -> ./mew + * ``` + * @since v0.0.67 + */ + 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. + */ + function symlink( + target: PathLike, + path: PathLike, + callback: NoParamCallback + ): void; + // namespace symlink { + // /** + // * Asynchronous symlink(2) - Create a new symbolic link to an existing file. + // * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol. + // * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol. + // * @param type May be set to `'dir'`, `'file'`, or `'junction'` (default is `'file'`) and is only available on Windows (ignored on other platforms). + // * When using `'junction'`, the `target` argument will automatically be normalized to an absolute path. + // */ + // function __promisify__( + // target: PathLike, + // path: PathLike, + // type?: string | null + // ): Promise<void>; + // type Type = "dir" | "file" | "junction"; + // } + /** + * Returns `undefined`. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link symlink}. + * @since v0.0.67 + */ + function symlinkSync( + target: PathLike, + path: PathLike, + type?: symlink.Type | null + ): void; + /** + * Reads the contents of the symbolic link referred to by `path`. The callback gets + * two arguments `(err, linkString)`. + * + * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use for + * the link path passed to the callback. If the `encoding` is set to `'buffer'`, + * the link path returned will be passed as a `Buffer` object. + * @since v0.0.67 + */ + function readlink( + path: PathLike, + options: EncodingOption, + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function readlink( + path: PathLike, + options: BufferEncodingOption, + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function readlink( + path: PathLike, + options: EncodingOption, + // tslint:disable-next-line:unified-signatures + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function readlink( + path: PathLike, + callback: (err: SystemError | null, linkString: string) => void + ): void; + // namespace readlink { + // /** + // * Asynchronous readlink(2) - read value of a symbolic link. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options?: EncodingOption + // ): Promise<string>; + // /** + // * Asynchronous readlink(2) - read value of a symbolic link. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options: BufferEncodingOption + // ): Promise<Buffer>; + // /** + // * Asynchronous readlink(2) - read value of a symbolic link. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options?: EncodingOption + // ): Promise<string | Buffer>; + // } + /** + * Returns the symbolic link's string value. + * + * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use for + * the link path returned. If the `encoding` is set to `'buffer'`, + * the link path returned will be passed as a `Buffer` object. + * @since v0.0.67 + */ + function readlinkSync(path: PathLike, options?: EncodingOption): string; + /** + * Synchronous readlink(2) - read value of a symbolic link. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + */ + 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. + */ + function readlinkSync( + path: PathLike, + options?: EncodingOption + ): string | Buffer; + /** + * Asynchronously computes the canonical pathname by resolving `.`, `..` and + * symbolic links. + * + * A canonical pathname is not necessarily unique. Hard links and bind mounts can + * expose a file system entity through many pathnames. + * + * This function behaves like [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html), with some exceptions: + * + * 1. No case conversion is performed on case-insensitive file systems. + * 2. The maximum number of symbolic links is platform-independent and generally + * (much) higher than what the native [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html) implementation supports. + * + * The `callback` gets two arguments `(err, resolvedPath)`. May use `process.cwd`to resolve relative paths. + * + * Only paths that can be converted to UTF8 strings are supported. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use for + * the path passed to the callback. If the `encoding` is set to `'buffer'`, + * the path returned will be passed as a `Buffer` object. + * + * If `path` resolves to a socket or a pipe, the function will return a system + * dependent name for that object. + * @since v0.0.67 + */ + function realpath( + path: PathLike, + options: EncodingOption, + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function realpath( + path: PathLike, + options: BufferEncodingOption, + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function realpath( + path: PathLike, + options: EncodingOption, + // tslint:disable-next-line:unified-signatures + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function realpath( + path: PathLike, + callback: (err: SystemError | null, resolvedPath: string) => void + ): void; + // namespace realpath { + // /** + // * Asynchronous realpath(3) - return the canonicalized absolute pathname. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options?: EncodingOption + // ): Promise<string>; + // /** + // * Asynchronous realpath(3) - return the canonicalized absolute pathname. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options: BufferEncodingOption + // ): Promise<Buffer>; + // /** + // * Asynchronous realpath(3) - return the canonicalized absolute pathname. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options?: EncodingOption + // ): Promise<string | Buffer>; + // /** + // * Asynchronous [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html). + // * + // * The `callback` gets two arguments `(err, resolvedPath)`. + // * + // * Only paths that can be converted to UTF8 strings are supported. + // * + // * The optional `options` argument can be a string specifying an encoding, or an + // * object with an `encoding` property specifying the character encoding to use for + // * the path passed to the callback. If the `encoding` is set to `'buffer'`, + // * the path returned will be passed as a `Buffer` object. + // * + // * On Linux, when Node.js is linked against musl libc, the procfs file system must + // * be mounted on `/proc` in order for this function to work. Glibc does not have + // * this restriction. + // * @since v0.0.67 + // */ + // function native( + // path: PathLike, + // options: EncodingOption, + // // tslint:disable-next-line:unified-signatures + // callback: (err: SystemError | null, resolvedPath: string) => void + // ): void; + // function native( + // path: PathLike, + // options: BufferEncodingOption, + // // tslint:disable-next-line:unified-signatures + // callback: (err: SystemError | null, resolvedPath: Buffer) => void + // ): void; + // function native( + // path: PathLike, + // options: EncodingOption, + // // tslint:disable-next-line:unified-signatures + // callback: (err: SystemError | null, resolvedPath: string | Buffer) => void + // ): void; + // function native( + // path: PathLike, + // callback: (err: SystemError | null, resolvedPath: string) => void + // ): void; + // } + /** + * Returns the resolved pathname. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link realpath}. + * @since v0.0.67 + */ + function realpathSync(path: PathLike, options?: EncodingOption): string; + /** + * Synchronous realpath(3) - return the canonicalized absolute pathname. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + */ + 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. + */ + function realpathSync( + path: PathLike, + options?: EncodingOption + ): string | Buffer; + namespace realpathSync { + function native(path: PathLike, options?: EncodingOption): string; + function native(path: PathLike, options: BufferEncodingOption): Buffer; + function native(path: PathLike, options?: EncodingOption): string | Buffer; + } + /** + * Asynchronously removes a file or symbolic link. No arguments other than a + * possible exception are given to the completion callback. + * + * ```js + * import { unlink } from 'fs'; + * // Assuming that 'path/file.txt' is a regular file. + * unlink('path/file.txt', (err) => { + * if (err) throw err; + * console.log('path/file.txt was deleted'); + * }); + * ``` + * + * `fs.unlink()` will not work on a directory, empty or otherwise. To remove a + * directory, use {@link rmdir}. + * + * See the POSIX [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html) documentation for more details. + * @since v0.0.67 + */ + function unlink(path: PathLike, callback: NoParamCallback): void; + // namespace unlink { + // /** + // * Asynchronous unlink(2) - delete a name and possibly the file it refers to. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__(path: PathLike): Promise<void>; + // } + /** + * Synchronous [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html). Returns `undefined`. + * @since v0.0.67 + */ + function unlinkSync(path: PathLike): void; + interface RmDirOptions { + /** + * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or + * `EPERM` error is encountered, Node.js will retry the operation with a linear + * backoff wait of `retryDelay` ms longer on each try. This option represents the + * number of retries. This option is ignored if the `recursive` option is not + * `true`. + * @default 0 + */ + maxRetries?: number | undefined; + /** + * @deprecated since v14.14.0 In future versions of Node.js and will trigger a warning + * `fs.rmdir(path, { recursive: true })` will throw if `path` does not exist or is a file. + * Use `fs.rm(path, { recursive: true, force: true })` instead. + * + * If `true`, perform a recursive directory removal. In + * recursive mode soperations are retried on failure. + * @default false + */ + recursive?: boolean | undefined; + /** + * The amount of time in milliseconds to wait between retries. + * This option is ignored if the `recursive` option is not `true`. + * @default 100 + */ + retryDelay?: number | undefined; + } + /** + * Asynchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). No arguments other than a possible exception are given + * to the completion callback. + * + * Using `fs.rmdir()` on a file (not a directory) results in an `ENOENT` error on + * Windows and an `ENOTDIR` error on POSIX. + * + * To get a behavior similar to the `rm -rf` Unix command, use {@link rm} with options `{ recursive: true, force: true }`. + * @since v0.0.67 + */ + function rmdir(path: PathLike, callback: NoParamCallback): void; + function rmdir( + path: PathLike, + options: RmDirOptions, + callback: NoParamCallback + ): void; + // namespace rmdir { + // /** + // * Asynchronous rmdir(2) - delete a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // */ + // function __promisify__( + // path: PathLike, + // options?: RmDirOptions + // ): Promise<void>; + // } + /** + * Synchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). Returns `undefined`. + * + * Using `fs.rmdirSync()` on a file (not a directory) results in an `ENOENT` error + * on Windows and an `ENOTDIR` error on POSIX. + * + * To get a behavior similar to the `rm -rf` Unix command, use {@link rmSync} with options `{ recursive: true, force: true }`. + * @since v0.0.67 + */ + function rmdirSync(path: PathLike, options?: RmDirOptions): void; + interface RmOptions { + /** + * When `true`, exceptions will be ignored if `path` does not exist. + * @default false + */ + force?: boolean | undefined; + /** + * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or + * `EPERM` error is encountered, Node.js will retry the operation with a linear + * backoff wait of `retryDelay` ms longer on each try. This option represents the + * number of retries. This option is ignored if the `recursive` option is not + * `true`. + * @default 0 + */ + maxRetries?: number | undefined; + /** + * If `true`, perform a recursive directory removal. In + * recursive mode, operations are retried on failure. + * @default false + */ + recursive?: boolean | undefined; + /** + * The amount of time in milliseconds to wait between retries. + * This option is ignored if the `recursive` option is not `true`. + * @default 100 + */ + retryDelay?: number | undefined; + } + interface MakeDirectoryOptions { + /** + * Indicates whether parent folders should be created. + * If a folder was created, the path to the first created folder will be returned. + * @default false + */ + recursive?: boolean | undefined; + /** + * A file mode. If a string is passed, it is parsed as an octal integer. If not specified + * @default 0o777 + */ + mode?: Mode | undefined; + } + /** + * Asynchronously creates a directory. + * + * The callback is given a possible exception and, if `recursive` is `true`, the + * first directory path created, `(err[, path])`.`path` can still be `undefined` when `recursive` is `true`, if no directory was + * created. + * + * The optional `options` argument can be an integer specifying `mode` (permission + * and sticky bits), or an object with a `mode` property and a `recursive`property indicating whether parent directories should be created. Calling`fs.mkdir()` when `path` is a directory that + * exists results in an error only + * when `recursive` is false. + * + * ```js + * import { mkdir } from 'fs'; + * + * // Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist. + * mkdir('/tmp/a/apple', { recursive: true }, (err) => { + * if (err) throw err; + * }); + * ``` + * + * On Windows, using `fs.mkdir()` on the root directory even with recursion will + * result in an error: + * + * ```js + * import { mkdir } from 'fs'; + * + * mkdir('/', { recursive: true }, (err) => { + * // => [Error: EPERM: operation not permitted, mkdir 'C:\'] + * }); + * ``` + * + * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details. + * @since v0.0.67 + */ + function mkdir( + path: PathLike, + options: MakeDirectoryOptions & { + recursive: true; + }, + callback: (err: SystemError | 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`. + */ + function mkdir( + path: PathLike, + options: + | Mode + | (MakeDirectoryOptions & { + recursive?: false | undefined; + }) + | null + | undefined, + callback: NoParamCallback + ): void; + /** + * Asynchronous mkdir(2) - create a directory. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders + * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. + */ + function mkdir( + path: PathLike, + // tslint:disable-next-line:unified-signatures + options: Mode | MakeDirectoryOptions | null | undefined, + callback: (err: SystemError | null, path?: string) => void + ): void; + /** + * Asynchronous mkdir(2) - create a directory with a mode of `0o777`. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + */ + function mkdir(path: PathLike, callback: NoParamCallback): void; + // namespace mkdir { + // /** + // * Asynchronous mkdir(2) - create a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders + // * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. + // */ + // function __promisify__( + // path: PathLike, + // options: MakeDirectoryOptions & { + // recursive: true; + // } + // ): Promise<string | undefined>; + // /** + // * Asynchronous mkdir(2) - create a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders + // * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. + // */ + // function __promisify__( + // path: PathLike, + // options?: + // | Mode + // | (MakeDirectoryOptions & { + // recursive?: false | undefined; + // }) + // | null + // ): Promise<void>; + // /** + // * Asynchronous mkdir(2) - create a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders + // * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. + // */ + // function __promisify__( + // path: PathLike, + // options?: Mode | MakeDirectoryOptions | null + // ): Promise<string | undefined>; + // } + /** + * Synchronously creates a directory. Returns `undefined`, or if `recursive` is`true`, the first directory path created. + * This is the synchronous version of {@link mkdir}. + * + * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details. + * @since v0.0.67 + */ + function mkdirSync( + path: PathLike, + options: MakeDirectoryOptions & { + recursive: true; + } + ): string | undefined; + /** + * Synchronous mkdir(2) - create a directory. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders + * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. + */ + function mkdirSync( + path: PathLike, + options?: + | Mode + | (MakeDirectoryOptions & { + recursive?: false | undefined; + }) + | null + ): void; + /** + * Synchronous mkdir(2) - create a directory. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders + * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`. + */ + function mkdirSync( + path: PathLike, + options?: Mode | MakeDirectoryOptions | null + ): string | undefined; + /** + * Creates a unique temporary directory. + * + * Generates six random characters to be appended behind a required`prefix` to create a unique temporary directory. Due to platform + * inconsistencies, avoid trailing `X` characters in `prefix`. Some platforms, + * notably the BSDs, can return more than six random characters, and replace + * trailing `X` characters in `prefix` with random characters. + * + * The created directory path is passed as a string to the callback's second + * parameter. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use. + * + * ```js + * import { mkdtemp } from 'fs'; + * + * mkdtemp(path.join(os.tmpdir(), 'foo-'), (err, directory) => { + * if (err) throw err; + * console.log(directory); + * // Prints: /tmp/foo-itXde2 or C:\Users\...\AppData\Local\Temp\foo-itXde2 + * }); + * ``` + * + * The `fs.mkdtemp()` method will append the six randomly selected characters + * directly to the `prefix` string. For instance, given a directory `/tmp`, if the + * intention is to create a temporary directory _within_`/tmp`, the `prefix`must end with a trailing platform-specific path separator + * (`require('path').sep`). + * + * ```js + * import { tmpdir } from 'os'; + * import { mkdtemp } from 'fs'; + * + * // The parent directory for the new temporary directory + * const tmpDir = tmpdir(); + * + * // This method is *INCORRECT*: + * mkdtemp(tmpDir, (err, directory) => { + * if (err) throw err; + * console.log(directory); + * // Will print something similar to `/tmpabc123`. + * // A new temporary directory is created at the file system root + * // rather than *within* the /tmp directory. + * }); + * + * // This method is *CORRECT*: + * import { sep } from 'path'; + * mkdtemp(`${tmpDir}${sep}`, (err, directory) => { + * if (err) throw err; + * console.log(directory); + * // Will print something similar to `/tmp/abc123`. + * // A new temporary directory is created within + * // the /tmp directory. + * }); + * ``` + * @since v0.0.67 + */ + function mkdtemp( + prefix: string, + options: EncodingOption, + callback: (err: SystemError | 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. + */ + function mkdtemp( + prefix: string, + options: + | "buffer" + | { + encoding: "buffer"; + }, + callback: (err: SystemError | 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. + */ + function mkdtemp( + prefix: string, + options: EncodingOption, + // tslint:disable-next-line:unified-signatures + callback: (err: SystemError | 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. + */ + // tslint:disable-next-line:unified-signatures + function mkdtemp( + prefix: string, + callback: (err: SystemError | null, folder: string) => void + ): void; + // namespace mkdtemp { + // /** + // * Asynchronously creates a unique temporary directory. + // * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // prefix: string, + // options?: EncodingOption + // ): Promise<string>; + // /** + // * Asynchronously creates a unique temporary directory. + // * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // prefix: string, + // options: BufferEncodingOption + // ): Promise<Buffer>; + // /** + // * Asynchronously creates a unique temporary directory. + // * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // prefix: string, + // options?: EncodingOption + // ): Promise<string | Buffer>; + // } + /** + * Returns the created directory path. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link mkdtemp}. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use. + * @since v0.0.67 + */ + function mkdtempSync(prefix: string, options?: EncodingOption): string; + /** + * Synchronously creates a unique temporary directory. + * Generates six random characters to be appended behind a required prefix to create a unique temporary directory. + * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + */ + 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. + */ + function mkdtempSync( + prefix: string, + options?: EncodingOption + ): string | Buffer; + /** + * Reads the contents of a directory. The callback gets two arguments `(err, files)`where `files` is an array of the names of the files in the directory excluding`'.'` and `'..'`. + * + * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use for + * the filenames passed to the callback. If the `encoding` is set to `'buffer'`, + * the filenames returned will be passed as `Buffer` objects. + * + * If `options.withFileTypes` is set to `true`, the `files` array will contain `fs.Dirent` objects. + * @since v0.0.67 + */ + function readdir( + path: PathLike, + options: + | { + encoding: BufferEncoding | null; + withFileTypes?: false | undefined; + } + | BufferEncoding + | undefined + | null, + callback: (err: SystemError | 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. + */ + function readdir( + path: PathLike, + options: + | { + encoding: "buffer"; + withFileTypes?: false | undefined; + } + | "buffer", + callback: (err: SystemError | 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. + */ + function readdir( + path: PathLike, + options: + | (ObjectEncodingOptions & { + withFileTypes?: false | undefined; + }) + | BufferEncoding + | undefined + | null, + callback: (err: SystemError | 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. + */ + function readdir( + path: PathLike, + callback: (err: SystemError | 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. + */ + function readdir( + path: PathLike, + options: ObjectEncodingOptions & { + withFileTypes: true; + }, + callback: (err: SystemError | null, files: Dirent[]) => void + ): void; + // namespace readdir { + // /** + // * Asynchronous readdir(3) - read a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options?: + // | { + // encoding: BufferEncoding | null; + // withFileTypes?: false | undefined; + // } + // | BufferEncoding + // | null + // ): Promise<string[]>; + // /** + // * Asynchronous readdir(3) - read a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options: + // | "buffer" + // | { + // encoding: "buffer"; + // withFileTypes?: false | undefined; + // } + // ): Promise<Buffer[]>; + // /** + // * Asynchronous readdir(3) - read a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + // */ + // function __promisify__( + // path: PathLike, + // options?: + // | (ObjectEncodingOptions & { + // withFileTypes?: false | undefined; + // }) + // | BufferEncoding + // | null + // ): Promise<string[] | Buffer[]>; + // /** + // * Asynchronous readdir(3) - read a directory. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param options If called with `withFileTypes: true` the result data will be an array of Dirent + // */ + // function __promisify__( + // path: PathLike, + // options: ObjectEncodingOptions & { + // withFileTypes: true; + // } + // ): Promise<Dirent[]>; + // } + /** + * Reads the contents of the directory. + * + * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details. + * + * The optional `options` argument can be a string specifying an encoding, or an + * object with an `encoding` property specifying the character encoding to use for + * the filenames returned. If the `encoding` is set to `'buffer'`, + * the filenames returned will be passed as `Buffer` objects. + * + * If `options.withFileTypes` is set to `true`, the result will contain `fs.Dirent` objects. + * @since v0.0.67 + */ + function readdirSync( + path: PathLike, + options?: + | { + encoding: BufferEncoding | null; + withFileTypes?: false | undefined; + } + | BufferEncoding + | null + ): string[]; + /** + * Synchronous readdir(3) - read a directory. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + */ + function readdirSync( + path: PathLike, + options: + | { + encoding: "buffer"; + withFileTypes?: false | undefined; + } + | "buffer" + ): Buffer[]; + /** + * Synchronous readdir(3) - read a directory. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used. + */ + function readdirSync( + path: PathLike, + options?: + | (ObjectEncodingOptions & { + withFileTypes?: false | undefined; + }) + | BufferEncoding + | null + ): string[] | Buffer[]; + /** + * Synchronous readdir(3) - read a directory. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * @param options If called with `withFileTypes: true` the result data will be an array of Dirent. + */ + function readdirSync( + path: PathLike, + options: ObjectEncodingOptions & { + withFileTypes: true; + } + ): Dirent[]; + /** + * Closes the file descriptor. No arguments other than a possible exception are + * given to the completion callback. + * + * Calling `fs.close()` on any file descriptor (`fd`) that is currently in use + * through any other `fs` operation may lead to undefined behavior. + * + * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail. + * @since v0.0.67 + */ + function close(fd: number, callback?: NoParamCallback): void; + // namespace close { + // /** + // * Asynchronous close(2) - close a file descriptor. + // * @param fd A file descriptor. + // */ + // function __promisify__(fd: number): Promise<void>; + // } + /** + * Closes the file descriptor. Returns `undefined`. + * + * Calling `fs.closeSync()` on any file descriptor (`fd`) that is currently in use + * through any other `fs` operation may lead to undefined behavior. + * + * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail. + * @since v0.0.67 + */ + function closeSync(fd: number): void; + /** + * Asynchronous file open. See the POSIX [`open(2)`](http://man7.org/linux/man-pages/man2/open.2.html) documentation for more details. + * + * `mode` sets the file mode (permission and sticky bits), but only if the file was + * created. On Windows, only the write permission can be manipulated; see {@link chmod}. + * + * The callback gets two arguments `(err, fd)`. + * + * Some characters (`< > : " / \ | ? *`) are reserved under Windows as documented + * by [Naming Files, Paths, and Namespaces](https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file). Under NTFS, if the filename contains + * a colon, Node.js will open a file system stream, as described by [this MSDN page](https://docs.microsoft.com/en-us/windows/desktop/FileIO/using-streams). + * + * Functions based on `fs.open()` exhibit this behavior as well:`fs.writeFile()`, `fs.readFile()`, etc. + * @since v0.0.67 + * @param [flags='r'] See `support of file system `flags``. + * @param [mode=0o666] + */ + function open( + path: PathLike, + flags: OpenMode, + mode: Mode | undefined | null, + callback: (err: SystemError | 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. + */ + function open( + path: PathLike, + flags: OpenMode, + callback: (err: SystemError | null, fd: number) => void + ): void; + // namespace open { + // /** + // * Asynchronous open(2) - open and possibly create a file. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param mode A file mode. If a string is passed, it is parsed as an octal integer. If not supplied, defaults to `0o666`. + // */ + // function __promisify__( + // path: PathLike, + // flags: OpenMode, + // mode?: Mode | null + // ): Promise<number>; + // } + /** + * Returns an integer representing the file descriptor. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link open}. + * @since v0.0.67 + * @param [flags='r'] + * @param [mode=0o666] + */ + function openSync( + path: PathLike, + flags: OpenMode, + mode?: Mode | null + ): number; + /** + * Change the file system timestamps of the object referenced by `path`. + * + * The `atime` and `mtime` arguments follow these rules: + * + * * Values can be either numbers representing Unix epoch time in seconds,`Date`s, or a numeric string like `'123456789.0'`. + * * If the value can not be converted to a number, or is `NaN`, `Infinity` or`-Infinity`, an `Error` will be thrown. + * @since v0.0.67 + */ + function utimes( + path: PathLike, + atime: TimeLike, + mtime: TimeLike, + callback: NoParamCallback + ): void; + // namespace utimes { + // /** + // * Asynchronously change file timestamps of the file referenced by the supplied path. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * @param atime The last access time. If a string is provided, it will be coerced to number. + // * @param mtime The last modified time. If a string is provided, it will be coerced to number. + // */ + // function __promisify__( + // path: PathLike, + // atime: TimeLike, + // mtime: TimeLike + // ): Promise<void>; + // } + /** + * Returns `undefined`. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link utimes}. + * @since v0.0.67 + */ + function utimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void; + /** + * Change the file system timestamps of the object referenced by the supplied file + * descriptor. See {@link utimes}. + * @since v0.0.67 + */ + function futimes( + fd: number, + atime: TimeLike, + mtime: TimeLike, + callback: NoParamCallback + ): void; + // namespace futimes { + // /** + // * Asynchronously change file timestamps of the file referenced by the supplied file descriptor. + // * @param fd A file descriptor. + // * @param atime The last access time. If a string is provided, it will be coerced to number. + // * @param mtime The last modified time. If a string is provided, it will be coerced to number. + // */ + // function __promisify__( + // fd: number, + // atime: TimeLike, + // mtime: TimeLike + // ): Promise<void>; + // } + /** + * Synchronous version of {@link futimes}. Returns `undefined`. + * @since v0.0.67 + */ + function futimesSync(fd: number, atime: TimeLike, mtime: TimeLike): void; + /** + * Request that all data for the open file descriptor is flushed to the storage + * device. The specific implementation is operating system and device specific. + * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. No arguments other + * than a possible exception are given to the completion callback. + * @since v0.0.67 + */ + function fsync(fd: number, callback: NoParamCallback): void; + // namespace fsync { + // /** + // * Asynchronous fsync(2) - synchronize a file's in-core state with the underlying storage device. + // * @param fd A file descriptor. + // */ + // function __promisify__(fd: number): Promise<void>; + // } + /** + * Request that all data for the open file descriptor is flushed to the storage + * device. The specific implementation is operating system and device specific. + * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. Returns `undefined`. + * @since v0.0.67 + */ + function fsyncSync(fd: number): void; + /** + * Write `buffer` to the file specified by `fd`. If `buffer` is a normal object, it + * must have an own `toString` function property. + * + * `offset` determines the part of the buffer to be written, and `length` is + * an integer specifying the number of bytes to write. + * + * `position` refers to the offset from the beginning of the file where this data + * should be written. If `typeof position !== 'number'`, the data will be written + * at the current position. See [`pwrite(2)`](http://man7.org/linux/man-pages/man2/pwrite.2.html). + * + * The callback will be given three arguments `(err, bytesWritten, buffer)` where`bytesWritten` specifies how many _bytes_ were written from `buffer`. + * + * If this method is invoked as its `util.promisify()` ed version, it returns + * a promise for an `Object` with `bytesWritten` and `buffer` properties. + * + * It is unsafe to use `fs.write()` multiple times on the same file without waiting + * for the callback. + * + * On Linux, positional writes don't work when the file is opened in append mode. + * The kernel ignores the position argument and always appends the data to + * the end of the file. + * @since v0.0.67 + */ + function write<TBuffer extends ArrayBufferView>( + fd: number, + buffer: TBuffer, + offset: number | undefined | null, + length: number | undefined | null, + position: number | undefined | null, + callback: ( + err: SystemError | 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`. + */ + function write<TBuffer extends ArrayBufferView>( + fd: number, + buffer: TBuffer, + offset: number | undefined | null, + length: number | undefined | null, + callback: ( + err: SystemError | 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`. + */ + function write<TBuffer extends ArrayBufferView>( + fd: number, + buffer: TBuffer, + offset: number | undefined | null, + callback: ( + err: SystemError | null, + written: number, + buffer: TBuffer + ) => void + ): void; + /** + * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor. + * @param fd A file descriptor. + */ + function write<TBuffer extends ArrayBufferView>( + fd: number, + buffer: TBuffer, + callback: ( + err: SystemError | 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. + */ + function write( + fd: number, + string: string, + position: number | undefined | null, + encoding: BufferEncoding | undefined | null, + callback: (err: SystemError | 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. + */ + function write( + fd: number, + string: string, + position: number | undefined | null, + callback: (err: SystemError | 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. + */ + function write( + fd: number, + string: string, + callback: (err: SystemError | null, written: number, str: string) => void + ): void; + // 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 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; + // }>; + // } + /** + * If `buffer` is a plain object, it must have an own (not inherited) `toString`function property. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link write}. + * @since v0.0.67 + * @return The number of bytes written. + */ + function writeSync( + fd: number, + buffer: 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. + */ + function writeSync( + fd: number, + string: string, + position?: number | null, + encoding?: BufferEncoding | null + ): number; + type ReadPosition = number | bigint; + interface ReadSyncOptions { + /** + * @default 0 + */ + offset?: number | undefined; + /** + * @default `length of buffer` + */ + length?: number | undefined; + /** + * @default null + */ + position?: ReadPosition | null | undefined; + } + interface ReadAsyncOptions<TBuffer extends ArrayBufferView> + extends ReadSyncOptions { + buffer?: TBuffer; + } + /** + * Read data from the file specified by `fd`. + * + * The callback is given the three arguments, `(err, bytesRead, buffer)`. + * + * If the file is not modified concurrently, the end-of-file is reached when the + * number of bytes read is zero. + * + * If this method is invoked as its `util.promisify()` ed version, it returns + * a promise for an `Object` with `bytesRead` and `buffer` properties. + * @since v0.0.67 + * @param buffer The buffer that the data will be written to. + * @param offset The position in `buffer` to write the data to. + * @param length The number of bytes to read. + * @param position Specifies where to begin reading from in the file. If `position` is `null` or `-1 `, data will be read from the current file position, and the file position will be updated. If + * `position` is an integer, the file position will be unchanged. + */ + function read<TBuffer extends ArrayBufferView>( + fd: number, + buffer: TBuffer, + offset: number, + length: number, + position: ReadPosition | null, + callback: ( + err: SystemError | null, + bytesRead: number, + buffer: TBuffer + ) => void + ): void; + /** + * Similar to the above `fs.read` function, this version takes an optional `options` object. + * If not otherwise specified in an `options` object, + * `buffer` defaults to `Buffer.alloc(16384)`, + * `offset` defaults to `0`, + * `length` defaults to `buffer.byteLength`, `- offset` as of Node 17.6.0 + * `position` defaults to `null` + * @since v0.0.67 + */ + function read<TBuffer extends ArrayBufferView>( + fd: number, + options: ReadAsyncOptions<TBuffer>, + callback: ( + err: SystemError | null, + bytesRead: number, + buffer: TBuffer + ) => void + ): void; + function read( + fd: number, + callback: ( + err: SystemError | null, + bytesRead: number, + buffer: ArrayBufferView + ) => void + ): void; + // 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 ArrayBufferView>( + // fd: number, + // buffer: TBuffer, + // offset: number, + // length: number, + // position: number | null + // ): Promise<{ + // bytesRead: number; + // buffer: TBuffer; + // }>; + // function __promisify__<TBuffer extends ArrayBufferView>( + // fd: number, + // options: ReadAsyncOptions<TBuffer> + // ): Promise<{ + // bytesRead: number; + // buffer: TBuffer; + // }>; + // function __promisify__(fd: number): Promise<{ + // bytesRead: number; + // buffer: ArrayBufferView; + // }>; + // } + + // TODO: Add AbortSignal support + // tslint:disable-next-line:no-empty-interface + interface Abortable {} + + /** + * Returns the number of `bytesRead`. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link read}. + * @since v0.0.67 + */ + function readSync( + fd: number, + buffer: ArrayBufferView, + offset: number, + length: number, + position: ReadPosition | null + ): number; + /** + * Similar to the above `fs.readSync` function, this version takes an optional `options` object. + * If no `options` object is specified, it will default with the above values. + */ + function readSync( + fd: number, + buffer: ArrayBufferView, + opts?: ReadSyncOptions + ): number; + /** + * Asynchronously reads the entire contents of a file. + * + * ```js + * import { readFile } from 'fs'; + * + * readFile('/etc/passwd', (err, data) => { + * if (err) throw err; + * console.log(data); + * }); + * ``` + * + * The callback is passed two arguments `(err, data)`, where `data` is the + * contents of the file. + * + * If no encoding is specified, then the raw buffer is returned. + * + * If `options` is a string, then it specifies the encoding: + * + * ```js + * import { readFile } from 'fs'; + * + * readFile('/etc/passwd', 'utf8', callback); + * ``` + * + * When the path is a directory, the behavior of `fs.readFile()` and {@link readFileSync} is platform-specific. On macOS, Linux, and Windows, an + * error will be returned. On FreeBSD, a representation of the directory's contents + * will be returned. + * + * ```js + * import { readFile } from 'fs'; + * + * // macOS, Linux, and Windows + * readFile('<directory>', (err, data) => { + * // => [Error: EISDIR: illegal operation on a directory, read <directory>] + * }); + * + * // FreeBSD + * readFile('<directory>', (err, data) => { + * // => null, <data> + * }); + * ``` + * + * It is possible to abort an ongoing request using an `AbortSignal`. If a + * request is aborted the callback is called with an `AbortError`: + * + * ```js + * import { readFile } from 'fs'; + * + * const controller = new AbortController(); + * const signal = controller.signal; + * readFile(fileInfo[0].name, { signal }, (err, buf) => { + * // ... + * }); + * // When you want to abort the request + * controller.abort(); + * ``` + * + * The `fs.readFile()` function buffers the entire file. To minimize memory costs, + * when possible prefer streaming via `fs.createReadStream()`. + * + * Aborting an ongoing request does not abort individual operating + * system requests but rather the internal buffering `fs.readFile` performs. + * @since v0.0.67 + * @param path filename or file descriptor + */ + function readFile( + path: PathOrFileDescriptor, + options: + | ({ + encoding?: null | undefined; + flag?: string | undefined; + } & Abortable) + | undefined + | null, + callback: (err: SystemError | null, data: Buffer) => void + ): void; + /** + * Asynchronously reads the entire contents of a file. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. + * If a flag is not provided, it defaults to `'r'`. + */ + function readFile( + path: PathOrFileDescriptor, + options: + | ({ + encoding: BufferEncoding; + flag?: string | undefined; + } & Abortable) + | BufferEncoding, + callback: (err: SystemError | null, data: string) => void + ): void; + /** + * Asynchronously reads the entire contents of a file. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. + * If a flag is not provided, it defaults to `'r'`. + */ + function readFile( + path: PathOrFileDescriptor, + options: + | (ObjectEncodingOptions & { + flag?: string | undefined; + } & Abortable) + | BufferEncoding + | undefined + | null, + callback: (err: SystemError | 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. + */ + function readFile( + path: PathOrFileDescriptor, + callback: (err: SystemError | null, data: Buffer) => void + ): void; + // namespace readFile { + // /** + // * Asynchronously reads the entire contents of a file. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + // * @param options An object that may contain an optional flag. + // * If a flag is not provided, it defaults to `'r'`. + // */ + // function __promisify__( + // path: PathOrFileDescriptor, + // options?: { + // encoding?: null | undefined; + // flag?: string | undefined; + // } | null + // ): Promise<Buffer>; + // /** + // * Asynchronously reads the entire contents of a file. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + // * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. + // * If a flag is not provided, it defaults to `'r'`. + // */ + // function __promisify__( + // path: PathOrFileDescriptor, + // options: + // | { + // encoding: BufferEncoding; + // flag?: string | undefined; + // } + // | BufferEncoding + // ): Promise<string>; + // /** + // * Asynchronously reads the entire contents of a file. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + // * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. + // * If a flag is not provided, it defaults to `'r'`. + // */ + // function __promisify__( + // path: PathOrFileDescriptor, + // options?: + // | (ObjectEncodingOptions & { + // flag?: string | undefined; + // }) + // | BufferEncoding + // | null + // ): Promise<string | Buffer>; + // } + /** + * Returns the contents of the `path`. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link readFile}. + * + * If the `encoding` option is specified then this function returns a + * string. Otherwise it returns a buffer. + * + * Similar to {@link readFile}, when the path is a directory, the behavior of`fs.readFileSync()` is platform-specific. + * + * ```js + * import { readFileSync } from 'fs'; + * + * // macOS, Linux, and Windows + * readFileSync('<directory>'); + * // => [Error: EISDIR: illegal operation on a directory, read <directory>] + * + * // FreeBSD + * readFileSync('<directory>'); // => <data> + * ``` + * @since v0.0.67 + * @param path filename or file descriptor + */ + function readFileSync( + path: PathOrFileDescriptor, + options?: { + encoding?: null | undefined; + flag?: string | undefined; + } | null + ): Buffer; + /** + * Synchronously reads the entire contents of a file. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. + * If a flag is not provided, it defaults to `'r'`. + */ + function readFileSync( + path: PathOrFileDescriptor, + options: + | { + encoding: BufferEncoding; + flag?: string | undefined; + } + | BufferEncoding + ): string; + /** + * Synchronously reads the entire contents of a file. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag. + * If a flag is not provided, it defaults to `'r'`. + */ + function readFileSync( + path: PathOrFileDescriptor, + options?: + | (ObjectEncodingOptions & { + flag?: string | undefined; + }) + | BufferEncoding + | null + ): string | Buffer; + type WriteFileOptions = + | (ObjectEncodingOptions & + Abortable & { + mode?: Mode | undefined; + flag?: string | undefined; + }) + | BufferEncoding + | null; + /** + * When `file` is a filename, asynchronously writes data to the file, replacing the + * file if it already exists. `data` can be a string or a buffer. + * + * When `file` is a file descriptor, the behavior is similar to calling`fs.write()` directly (which is recommended). See the notes below on using + * a file descriptor. + * + * The `encoding` option is ignored if `data` is a buffer. + * + * The `mode` option only affects the newly created file. See {@link open} for more details. + * + * If `data` is a plain object, it must have an own (not inherited) `toString`function property. + * + * ```js + * import { writeFile } from 'fs'; + * import { Buffer } from 'buffer'; + * + * const data = new Uint8Array(Buffer.from('Hello Node.js')); + * writeFile('message.txt', data, (err) => { + * if (err) throw err; + * console.log('The file has been saved!'); + * }); + * ``` + * + * If `options` is a string, then it specifies the encoding: + * + * ```js + * import { writeFile } from 'fs'; + * + * writeFile('message.txt', 'Hello Node.js', 'utf8', callback); + * ``` + * + * It is unsafe to use `fs.writeFile()` multiple times on the same file without + * waiting for the callback. + * + * Similarly to `fs.readFile` \- `fs.writeFile` is a convenience method that + * performs multiple `write` calls internally to write the buffer passed to it. + * + * It is possible to use an `AbortSignal` to cancel an `fs.writeFile()`. + * Cancelation is "best effort", and some amount of data is likely still + * to be written. + * + * ```js + * import { writeFile } from 'fs'; + * import { Buffer } from 'buffer'; + * + * const controller = new AbortController(); + * const { signal } = controller; + * const data = new Uint8Array(Buffer.from('Hello Node.js')); + * writeFile('message.txt', data, { signal }, (err) => { + * // When a request is aborted - the callback is called with an AbortError + * }); + * // When the request should be aborted + * controller.abort(); + * ``` + * + * Aborting an ongoing request does not abort individual operating + * system requests but rather the internal buffering `fs.writeFile` performs. + * @since v0.0.67 + * @param file filename or file descriptor + */ + function writeFile( + file: PathOrFileDescriptor, + data: string | ArrayBufferView, + options: WriteFileOptions, + callback: NoParamCallback + ): void; + /** + * Asynchronously writes data to a file, replacing the file if it already exists. + * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. + */ + function writeFile( + path: PathOrFileDescriptor, + data: string | ArrayBufferView, + callback: NoParamCallback + ): void; + // namespace writeFile { + // /** + // * Asynchronously writes data to a file, replacing the file if it already exists. + // * @param path A path to a file. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + // * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. + // * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag. + // * If `encoding` is not supplied, the default of `'utf8'` is used. + // * If `mode` is not supplied, the default of `0o666` is used. + // * If `mode` is a string, it is parsed as an octal integer. + // * If `flag` is not supplied, the default of `'w'` is used. + // */ + // function __promisify__( + // path: PathOrFileDescriptor, + // data: string | ArrayBufferView, + // options?: WriteFileOptions + // ): Promise<void>; + // } + /** + * Returns `undefined`. + * + * If `data` is a plain object, it must have an own (not inherited) `toString`function property. + * + * The `mode` option only affects the newly created file. See {@link open} for more details. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link writeFile}. + * @since v0.0.67 + * @param file filename or file descriptor + */ + function writeFileSync( + file: PathOrFileDescriptor, + data: string | ArrayBufferView, + options?: WriteFileOptions + ): void; + /** + * Asynchronously append data to a file, creating the file if it does not yet + * exist. `data` can be a string or a `Buffer`. + * + * The `mode` option only affects the newly created file. See {@link open} for more details. + * + * ```js + * import { appendFile } from 'fs'; + * + * appendFile('message.txt', 'data to append', (err) => { + * if (err) throw err; + * console.log('The "data to append" was appended to file!'); + * }); + * ``` + * + * If `options` is a string, then it specifies the encoding: + * + * ```js + * import { appendFile } from 'fs'; + * + * appendFile('message.txt', 'data to append', 'utf8', callback); + * ``` + * + * The `path` may be specified as a numeric file descriptor that has been opened + * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will + * not be closed automatically. + * + * ```js + * import { open, close, appendFile } from 'fs'; + * + * function closeFd(fd) { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * + * open('message.txt', 'a', (err, fd) => { + * if (err) throw err; + * + * try { + * appendFile(fd, 'data to append', 'utf8', (err) => { + * closeFd(fd); + * if (err) throw err; + * }); + * } catch (err) { + * closeFd(fd); + * throw err; + * } + * }); + * ``` + * @since v0.0.67 + * @param path filename or file descriptor + */ + function appendFile( + path: PathOrFileDescriptor, + data: string | Uint8Array, + options: WriteFileOptions, + callback: NoParamCallback + ): void; + /** + * Asynchronously append data to a file, creating the file if it does not exist. + * @param file A path to a file. If a URL is provided, it must use the `file:` protocol. + * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. + */ + function appendFile( + file: PathOrFileDescriptor, + data: string | Uint8Array, + callback: NoParamCallback + ): void; + // namespace appendFile { + // /** + // * Asynchronously append data to a file, creating the file if it does not exist. + // * @param file A path to a file. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // * If a file descriptor is provided, the underlying file will _not_ be closed automatically. + // * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string. + // * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag. + // * If `encoding` is not supplied, the default of `'utf8'` is used. + // * If `mode` is not supplied, the default of `0o666` is used. + // * If `mode` is a string, it is parsed as an octal integer. + // * If `flag` is not supplied, the default of `'a'` is used. + // */ + // function __promisify__( + // file: PathOrFileDescriptor, + // data: string | Uint8Array, + // options?: WriteFileOptions + // ): Promise<void>; + // } + /** + * Synchronously append data to a file, creating the file if it does not yet + * exist. `data` can be a string or a `Buffer`. + * + * The `mode` option only affects the newly created file. See {@link open} for more details. + * + * ```js + * import { appendFileSync } from 'fs'; + * + * try { + * appendFileSync('message.txt', 'data to append'); + * console.log('The "data to append" was appended to file!'); + * } catch (err) { + * // Handle the error + * } + * ``` + * + * If `options` is a string, then it specifies the encoding: + * + * ```js + * import { appendFileSync } from 'fs'; + * + * appendFileSync('message.txt', 'data to append', 'utf8'); + * ``` + * + * The `path` may be specified as a numeric file descriptor that has been opened + * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will + * not be closed automatically. + * + * ```js + * import { openSync, closeSync, appendFileSync } from 'fs'; + * + * let fd; + * + * try { + * fd = openSync('message.txt', 'a'); + * appendFileSync(fd, 'data to append', 'utf8'); + * } catch (err) { + * // Handle the error + * } finally { + * if (fd !== undefined) + * closeSync(fd); + * } + * ``` + * @since v0.0.67 + * @param path filename or file descriptor + */ + function appendFileSync( + path: PathOrFileDescriptor, + data: string | Uint8Array, + options?: WriteFileOptions + ): void; + + /** + * Test whether or not the given path exists by checking with the file system. + * Then call the `callback` argument with either true or false: + * + * ```js + * import { exists } from 'fs'; + * + * exists('/etc/passwd', (e) => { + * console.log(e ? 'it exists' : 'no passwd!'); + * }); + * ``` + * + * **The parameters for this callback are not consistent with other Node.js** + * **callbacks.** Normally, the first parameter to a Node.js callback is an `err`parameter, optionally followed by other parameters. The `fs.exists()` callback + * has only one boolean parameter. This is one reason `fs.access()` is recommended + * instead of `fs.exists()`. + * + * Using `fs.exists()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended. Doing + * so introduces a race condition, since other processes may change the file's + * state between the two calls. Instead, user code should open/read/write the + * file directly and handle the error raised if the file does not exist. + * + * **write (NOT RECOMMENDED)** + * + * ```js + * import { exists, open, close } from 'fs'; + * + * exists('myfile', (e) => { + * if (e) { + * console.error('myfile already exists'); + * } else { + * open('myfile', 'wx', (err, fd) => { + * if (err) throw err; + * + * try { + * writeMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * } + * }); + * ``` + * + * **write (RECOMMENDED)** + * + * ```js + * import { open, close } from 'fs'; + * open('myfile', 'wx', (err, fd) => { + * if (err) { + * if (err.code === 'EEXIST') { + * console.error('myfile already exists'); + * return; + * } + * + * throw err; + * } + * + * try { + * writeMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * ``` + * + * **read (NOT RECOMMENDED)** + * + * ```js + * import { open, close, exists } from 'fs'; + * + * exists('myfile', (e) => { + * if (e) { + * open('myfile', 'r', (err, fd) => { + * if (err) throw err; + * + * try { + * readMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * } else { + * console.error('myfile does not exist'); + * } + * }); + * ``` + * + * **read (RECOMMENDED)** + * + * ```js + * import { open, close } from 'fs'; + * + * open('myfile', 'r', (err, fd) => { + * if (err) { + * if (err.code === 'ENOENT') { + * console.error('myfile does not exist'); + * return; + * } + * + * throw err; + * } + * + * try { + * readMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * ``` + * + * The "not recommended" examples above check for existence and then use the + * file; the "recommended" examples are better because they use the file directly + * and handle the error, if any. + * + * In general, check for the existence of a file only if the file won’t be + * used directly, for example when its existence is a signal from another + * process. + * @since v0.0.67 + */ + function exists(path: PathLike, callback: (exists: boolean) => void): void; + /** + * Returns `true` if the path exists, `false` otherwise. + * + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link exists}. + * + * `fs.exists()` is deprecated, but `fs.existsSync()` is not. The `callback`parameter to `fs.exists()` accepts parameters that are inconsistent with other + * Node.js callbacks. `fs.existsSync()` does not use a callback. + * + * ```js + * import { existsSync } from 'fs'; + * + * if (existsSync('/etc/passwd')) + * console.log('The path exists.'); + * ``` + * @since v0.0.67 + */ + function existsSync(path: PathLike): boolean; + namespace constants { + // File Access Constants + /** Constant for fs.access(). File is visible to the calling process. */ + var F_OK: number; + /** Constant for fs.access(). File can be read by the calling process. */ + var R_OK: number; + /** Constant for fs.access(). File can be written by the calling process. */ + var W_OK: number; + /** Constant for fs.access(). File can be executed by the calling process. */ + var X_OK: number; + // File Copy Constants + /** Constant for fs.copyFile. Flag indicating the destination file should not be overwritten if it already exists. */ + var 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. + */ + var 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. + */ + var COPYFILE_FICLONE_FORCE: number; + // File Open Constants + /** Constant for fs.open(). Flag indicating to open a file for read-only access. */ + var O_RDONLY: number; + /** Constant for fs.open(). Flag indicating to open a file for write-only access. */ + var O_WRONLY: number; + /** Constant for fs.open(). Flag indicating to open a file for read-write access. */ + var O_RDWR: number; + /** Constant for fs.open(). Flag indicating to create the file if it does not already exist. */ + var 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. */ + var 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). + */ + var 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. */ + var O_TRUNC: number; + /** Constant for fs.open(). Flag indicating that data will be appended to the end of the file. */ + var O_APPEND: number; + /** Constant for fs.open(). Flag indicating that the open should fail if the path is not a directory. */ + var 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. + */ + var O_NOATIME: number; + /** Constant for fs.open(). Flag indicating that the open should fail if the path is a symbolic link. */ + var O_NOFOLLOW: number; + /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O. */ + var 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. */ + var O_DSYNC: number; + /** Constant for fs.open(). Flag indicating to open the symbolic link itself rather than the resource it is pointing to. */ + var O_SYMLINK: number; + /** Constant for fs.open(). When set, an attempt will be made to minimize caching effects of file I/O. */ + var O_DIRECT: number; + /** Constant for fs.open(). Flag indicating to open the file in nonblocking mode when possible. */ + var 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. */ + var S_IFMT: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a regular file. */ + var S_IFREG: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a directory. */ + var S_IFDIR: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a character-oriented device file. */ + var S_IFCHR: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a block-oriented device file. */ + var S_IFBLK: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a FIFO/pipe. */ + var S_IFIFO: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a symbolic link. */ + var S_IFLNK: number; + /** Constant for fs.Stats mode property for determining a file's type. File type constant for a socket. */ + var 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. */ + var S_IRWXU: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by owner. */ + var S_IRUSR: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by owner. */ + var S_IWUSR: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by owner. */ + var 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. */ + var S_IRWXG: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by group. */ + var S_IRGRP: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by group. */ + var S_IWGRP: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by group. */ + var 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. */ + var S_IRWXO: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by others. */ + var S_IROTH: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by others. */ + var S_IWOTH: number; + /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by others. */ + var 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. + */ + var UV_FS_O_FILEMAP: number; + } + /** + * Tests a user's permissions for the file or directory specified by `path`. + * The `mode` argument is an optional integer that specifies the accessibility + * checks to be performed. Check `File access constants` for possible values + * of `mode`. It is possible to create a mask consisting of the bitwise OR of + * two or more values (e.g. `fs.constants.W_OK | fs.constants.R_OK`). + * + * The final argument, `callback`, is a callback function that is invoked with + * a possible error argument. If any of the accessibility checks fail, the error + * argument will be an `Error` object. The following examples check if`package.json` exists, and if it is readable or writable. + * + * ```js + * import { access, constants } from 'fs'; + * + * const file = 'package.json'; + * + * // Check if the file exists in the current directory. + * access(file, constants.F_OK, (err) => { + * console.log(`${file} ${err ? 'does not exist' : 'exists'}`); + * }); + * + * // Check if the file is readable. + * access(file, constants.R_OK, (err) => { + * console.log(`${file} ${err ? 'is not readable' : 'is readable'}`); + * }); + * + * // Check if the file is writable. + * access(file, constants.W_OK, (err) => { + * console.log(`${file} ${err ? 'is not writable' : 'is writable'}`); + * }); + * + * // Check if the file exists in the current directory, and if it is writable. + * access(file, constants.F_OK | constants.W_OK, (err) => { + * if (err) { + * console.error( + * `${file} ${err.code === 'ENOENT' ? 'does not exist' : 'is read-only'}`); + * } else { + * console.log(`${file} exists, and it is writable`); + * } + * }); + * ``` + * + * Do not use `fs.access()` to check for the accessibility of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()`. Doing + * so introduces a race condition, since other processes may change the file's + * state between the two calls. Instead, user code should open/read/write the + * file directly and handle the error raised if the file is not accessible. + * + * **write (NOT RECOMMENDED)** + * + * ```js + * import { access, open, close } from 'fs'; + * + * access('myfile', (err) => { + * if (!err) { + * console.error('myfile already exists'); + * return; + * } + * + * open('myfile', 'wx', (err, fd) => { + * if (err) throw err; + * + * try { + * writeMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * }); + * ``` + * + * **write (RECOMMENDED)** + * + * ```js + * import { open, close } from 'fs'; + * + * open('myfile', 'wx', (err, fd) => { + * if (err) { + * if (err.code === 'EEXIST') { + * console.error('myfile already exists'); + * return; + * } + * + * throw err; + * } + * + * try { + * writeMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * ``` + * + * **read (NOT RECOMMENDED)** + * + * ```js + * import { access, open, close } from 'fs'; + * access('myfile', (err) => { + * if (err) { + * if (err.code === 'ENOENT') { + * console.error('myfile does not exist'); + * return; + * } + * + * throw err; + * } + * + * open('myfile', 'r', (err, fd) => { + * if (err) throw err; + * + * try { + * readMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * }); + * ``` + * + * **read (RECOMMENDED)** + * + * ```js + * import { open, close } from 'fs'; + * + * open('myfile', 'r', (err, fd) => { + * if (err) { + * if (err.code === 'ENOENT') { + * console.error('myfile does not exist'); + * return; + * } + * + * throw err; + * } + * + * try { + * readMyData(fd); + * } finally { + * close(fd, (err) => { + * if (err) throw err; + * }); + * } + * }); + * ``` + * + * The "not recommended" examples above check for accessibility and then use the + * file; the "recommended" examples are better because they use the file directly + * and handle the error, if any. + * + * In general, check for the accessibility of a file only if the file will not be + * used directly, for example when its accessibility is a signal from another + * process. + * + * On Windows, access-control policies (ACLs) on a directory may limit access to + * a file or directory. The `fs.access()` function, however, does not check the + * ACL and therefore may report that a path is accessible even if the ACL restricts + * the user from reading or writing to it. + * @since v0.0.67 + * @param [mode=fs.constants.F_OK] + */ + 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. + */ + function access(path: PathLike, callback: NoParamCallback): void; + // namespace access { + // /** + // * Asynchronously tests a user's permissions for the file specified by path. + // * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol. + // * URL support is _experimental_. + // */ + // function __promisify__(path: PathLike, mode?: number): Promise<void>; + // } + /** + * Synchronously tests a user's permissions for the file or directory specified + * by `path`. The `mode` argument is an optional integer that specifies the + * accessibility checks to be performed. Check `File access constants` for + * possible values of `mode`. It is possible to create a mask consisting of + * the bitwise OR of two or more values + * (e.g. `fs.constants.W_OK | fs.constants.R_OK`). + * + * If any of the accessibility checks fail, an `Error` will be thrown. Otherwise, + * the method will return `undefined`. + * + * ```js + * import { accessSync, constants } from 'fs'; + * + * try { + * accessSync('etc/passwd', constants.R_OK | constants.W_OK); + * console.log('can read/write'); + * } catch (err) { + * console.error('no access!'); + * } + * ``` + * @since v0.0.67 + * @param [mode=fs.constants.F_OK] + */ + function accessSync(path: PathLike, mode?: number): void; + + /** + * Forces all currently queued I/O operations associated with the file to the + * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. No arguments other + * than a possible + * exception are given to the completion callback. + * @since v0.0.67 + */ + function fdatasync(fd: number, callback: NoParamCallback): void; + // namespace fdatasync { + // /** + // * Asynchronous fdatasync(2) - synchronize a file's in-core state with storage device. + // * @param fd A file descriptor. + // */ + // function __promisify__(fd: number): Promise<void>; + // } + /** + * Forces all currently queued I/O operations associated with the file to the + * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. Returns `undefined`. + * @since v0.0.67 + */ + function fdatasyncSync(fd: number): void; + /** + * Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it + * already exists. No arguments other than a possible exception are given to the + * callback function. Node.js makes no guarantees about the atomicity of the copy + * operation. If an error occurs after the destination file has been opened for + * writing, Node.js will attempt to remove the destination. + * + * `mode` is an optional integer that specifies the behavior + * of the copy operation. It is possible to create a mask consisting of the bitwise + * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`). + * + * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already + * exists. + * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a + * copy-on-write reflink. If the platform does not support copy-on-write, then a + * fallback copy mechanism is used. + * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to + * create a copy-on-write reflink. If the platform does not support + * copy-on-write, then the operation will fail. + * + * ```js + * import { copyFile, constants } from 'fs'; + * + * function callback(err) { + * if (err) throw err; + * console.log('source.txt was copied to destination.txt'); + * } + * + * // destination.txt will be created or overwritten by default. + * copyFile('source.txt', 'destination.txt', callback); + * + * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists. + * copyFile('source.txt', 'destination.txt', constants.COPYFILE_EXCL, callback); + * ``` + * @since v0.0.67 + * @param src source filename to copy + * @param dest destination filename of the copy operation + * @param [mode=0] modifiers for copy operation. + */ + function copyFile( + src: PathLike, + dest: PathLike, + callback: NoParamCallback + ): void; + function copyFile( + src: PathLike, + dest: PathLike, + mode: number, + callback: NoParamCallback + ): void; + // namespace copyFile { + // function __promisify__( + // src: PathLike, + // dst: PathLike, + // mode?: number + // ): Promise<void>; + // } + /** + * Synchronously copies `src` to `dest`. By default, `dest` is overwritten if it + * already exists. Returns `undefined`. Node.js makes no guarantees about the + * atomicity of the copy operation. If an error occurs after the destination file + * has been opened for writing, Node.js will attempt to remove the destination. + * + * `mode` is an optional integer that specifies the behavior + * of the copy operation. It is possible to create a mask consisting of the bitwise + * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`). + * + * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already + * exists. + * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a + * copy-on-write reflink. If the platform does not support copy-on-write, then a + * fallback copy mechanism is used. + * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to + * create a copy-on-write reflink. If the platform does not support + * copy-on-write, then the operation will fail. + * + * ```js + * import { copyFileSync, constants } from 'fs'; + * + * // destination.txt will be created or overwritten by default. + * copyFileSync('source.txt', 'destination.txt'); + * console.log('source.txt was copied to destination.txt'); + * + * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists. + * copyFileSync('source.txt', 'destination.txt', constants.COPYFILE_EXCL); + * ``` + * @since v0.0.67 + * @param src source filename to copy + * @param dest destination filename of the copy operation + * @param [mode=0] modifiers for copy operation. + */ + function copyFileSync(src: PathLike, dest: PathLike, mode?: number): void; + /** + * Write an array of `ArrayBufferView`s to the file specified by `fd` using`writev()`. + * + * `position` is the offset from the beginning of the file where this data + * should be written. If `typeof position !== 'number'`, the data will be written + * at the current position. + * + * The callback will be given three arguments: `err`, `bytesWritten`, and`buffers`. `bytesWritten` is how many bytes were written from `buffers`. + * + * If this method is `util.promisify()` ed, it returns a promise for an`Object` with `bytesWritten` and `buffers` properties. + * + * + * On Linux, positional writes don't work when the file is opened in append mode. + * The kernel ignores the position argument and always appends the data to + * the end of the file. + * @since v0.0.67 + */ + function writev( + fd: number, + buffers: ReadonlyArray<ArrayBufferView>, + cb: ( + err: SystemError | null, + bytesWritten: number, + buffers: ArrayBufferView[] + ) => void + ): void; + function writev( + fd: number, + buffers: ReadonlyArray<ArrayBufferView>, + position: number, + cb: ( + err: SystemError | null, + bytesWritten: number, + buffers: ArrayBufferView[] + ) => void + ): void; + interface WriteVResult { + bytesWritten: number; + buffers: ArrayBufferView[]; + } + // namespace writev { + // function __promisify__( + // fd: number, + // buffers: ReadonlyArray<ArrayBufferView>, + // position?: number + // ): Promise<WriteVResult>; + // } + /** + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link writev}. + * @since v0.0.67 + * @return The number of bytes written. + */ + function writevSync( + fd: number, + buffers: ReadonlyArray<ArrayBufferView>, + position?: number + ): number; + /** + * Read from a file specified by `fd` and write to an array of `ArrayBufferView`s + * using `readv()`. + * + * `position` is the offset from the beginning of the file from where data + * should be read. If `typeof position !== 'number'`, the data will be read + * from the current position. + * + * The callback will be given three arguments: `err`, `bytesRead`, and`buffers`. `bytesRead` is how many bytes were read from the file. + * + * If this method is invoked as its `util.promisify()` ed version, it returns + * a promise for an `Object` with `bytesRead` and `buffers` properties. + * @since v0.0.67 + */ + function readv( + fd: number, + buffers: ReadonlyArray<ArrayBufferView>, + cb: ( + err: SystemError | null, + bytesRead: number, + buffers: ArrayBufferView[] + ) => void + ): void; + function readv( + fd: number, + buffers: ReadonlyArray<ArrayBufferView>, + position: number, + cb: ( + err: SystemError | null, + bytesRead: number, + buffers: ArrayBufferView[] + ) => void + ): void; + interface ReadVResult { + bytesRead: number; + buffers: ArrayBufferView[]; + } + // namespace readv { + // function __promisify__( + // fd: number, + // buffers: ReadonlyArray<ArrayBufferView>, + // position?: number + // ): Promise<ReadVResult>; + // } + /** + * For detailed information, see the documentation of the asynchronous version of + * this API: {@link readv}. + * @since v0.0.67 + * @return The number of bytes read. + */ + function readvSync( + fd: number, + buffers: ReadonlyArray<ArrayBufferView>, + position?: number + ): number; + interface OpenDirOptions { + encoding?: BufferEncoding | undefined; + /** + * Number of directory entries that are buffered + * internally when reading from the directory. Higher values lead to better + * performance but higher memory usage. + * @default 32 + */ + bufferSize?: number | undefined; + } + + interface BigIntStats extends StatsBase<bigint> { + atimeNs: bigint; + mtimeNs: bigint; + ctimeNs: bigint; + birthtimeNs: bigint; + } + interface BigIntOptions { + bigint: true; + } + interface StatOptions { + bigint?: boolean | undefined; + } + interface StatSyncOptions extends StatOptions { + throwIfNoEntry?: boolean | undefined; + } + interface CopyOptions { + /** + * Dereference symlinks + * @default false + */ + dereference?: boolean; + /** + * When `force` is `false`, and the destination + * exists, throw an error. + * @default false + */ + errorOnExist?: boolean; + /** + * function to filter copied files/directories. Return + * `true` to copy the item, `false` to ignore it. + */ + filter?(source: string, destination: string): boolean; + /** + * Overwrite existing file or directory. _The copy + * operation will ignore errors if you set this to false and the destination + * exists. Use the `errorOnExist` option to change this behavior. + * @default true + */ + force?: boolean; + /** + * When `true` timestamps from `src` will + * be preserved. + * @default false + */ + preserveTimestamps?: boolean; + /** + * Copy directories recursively. + * @default false + */ + recursive?: boolean; + } +} + +declare module "node:fs" { + import * as fs from "fs"; + export = fs; +} + + +// ./html-rewriter.d.ts + +declare namespace HTMLRewriterTypes { + interface HTMLRewriterElementContentHandlers { + element?(element: Element): void | Promise<void>; + comments?(comment: Comment): void | Promise<void>; + text?(text: Text): void | Promise<void>; + } + + interface HTMLRewriterDocumentContentHandlers { + doctype?(doctype: Doctype): void | Promise<void>; + comments?(comment: Comment): void | Promise<void>; + text?(text: Text): void | Promise<void>; + end?(end: DocumentEnd): void | Promise<void>; + } + + interface Text { + readonly text: string; + readonly lastInTextNode: boolean; + readonly removed: boolean; + before(content: Content, options?: ContentOptions): Text; + after(content: Content, options?: ContentOptions): Text; + replace(content: Content, options?: ContentOptions): Text; + remove(): Text; + } + + interface Doctype { + readonly name: string | null; + readonly publicId: string | null; + readonly systemId: string | null; + } + + interface DocumentEnd { + append(content: Content, options?: ContentOptions): DocumentEnd; + } + + interface ContentOptions { + html?: boolean; + } + type Content = string; + + interface Comment { + text: string; + readonly removed: boolean; + before(content: Content, options?: ContentOptions): Comment; + after(content: Content, options?: ContentOptions): Comment; + replace(content: Content, options?: ContentOptions): Comment; + remove(): Comment; + } + + interface Element { + tagName: string; + readonly attributes: IterableIterator<string[]>; + readonly removed: boolean; + readonly namespaceURI: string; + getAttribute(name: string): string | null; + hasAttribute(name: string): boolean; + setAttribute(name: string, value: string): Element; + removeAttribute(name: string): Element; + before(content: Content, options?: ContentOptions): Element; + after(content: Content, options?: ContentOptions): Element; + prepend(content: Content, options?: ContentOptions): Element; + append(content: Content, options?: ContentOptions): Element; + replace(content: Content, options?: ContentOptions): Element; + remove(): Element; + removeAndKeepContent(): Element; + setInnerContent(content: Content, options?: ContentOptions): Element; + onEndTag(handler: (tag: EndTag) => void | Promise<void>): void; + } + + interface EndTag { + name: string; + before(content: Content, options?: ContentOptions): EndTag; + after(content: Content, options?: ContentOptions): EndTag; + remove(): EndTag; + } +} + +/** + * [HTMLRewriter](https://developers.cloudflare.com/workers/runtime-apis/html-rewriter?bun) is a fast API for transforming HTML. + * + * Bun leverages a native implementation powered by [lol-html](https://github.com/cloudflare/lol-html). + * + * HTMLRewriter can be used to transform HTML in a variety of ways, including: + * * Rewriting URLs + * * Adding meta tags + * * Removing elements + * * Adding elements to the head + * + * @example + * ```ts + * const rewriter = new HTMLRewriter().on('a[href]', { + * element(element: Element) { + * // Rewrite all the URLs to this youtube video + * element.setAttribute('href', 'https://www.youtube.com/watch?v=dQw4w9WgXcQ'); + * } + * }); + * rewriter.transform(await fetch("https://remix.run")); + * ``` + */ +declare class HTMLRewriter { + constructor(); + on( + selector: string, + handlers: HTMLRewriterTypes.HTMLRewriterElementContentHandlers + ): HTMLRewriter; + onDocument( + handlers: HTMLRewriterTypes.HTMLRewriterDocumentContentHandlers + ): HTMLRewriter; + /** + * @param input - The HTML to transform + * @returns A new {@link Response} with the transformed HTML + */ + transform(input: Response): Response; +} + + +// ./globals.d.ts + +type Encoding = "utf-8" | "windows-1252" | "utf-16"; + +interface console { + assert(condition?: boolean, ...data: any[]): void; + clear(): void; + /** + * Increment a [count](https://www.youtube.com/watch?v=2AoxCkySv34&t=22s) + * @param label label counter + */ + count(label?: string): void; + countReset(label?: string): void; + debug(...data: any[]): void; + dir(item?: any, options?: any): void; + dirxml(...data: any[]): void; + /** + * Log to stderr in your terminal + * + * Appears in red + * + * @param data something to display + */ + error(...data: any[]): void; + /** Does nothing currently */ + group(...data: any[]): void; + /** Does nothing currently */ + groupCollapsed(...data: any[]): void; + /** Does nothing currently */ + groupEnd(): void; + info(...data: any[]): void; + log(...data: any[]): void; + /** Does nothing currently */ + table(tabularData?: any, properties?: string[]): void; + /** + * Begin a timer to log with {@link console.timeEnd} + * + * @param label - The label to use for the timer + * + * ```ts + * console.time("how long????"); + * for (let i = 0; i < 999999; i++) { + * // do stuff + * let x = i * i; + * } + * console.timeEnd("how long????"); + * ``` + */ + time(label?: string): void; + /** + * End a timer to log with {@link console.time} + * + * @param label - The label to use for the timer + * + * ```ts + * console.time("how long????"); + * for (let i = 0; i < 999999; i++) { + * // do stuff + * let x = i * i; + * } + * console.timeEnd("how long????"); + * ``` + */ + timeEnd(label?: string): void; + timeLog(label?: string, ...data: any[]): void; + timeStamp(label?: string): void; + trace(...data: any[]): void; + warn(...data: any[]): void; +} + +declare var console: console; + +interface ImportMeta { + /** + * `file://` url string for the current module. + * + * @example + * ```ts + * console.log(import.meta.url); + * "file:///Users/me/projects/my-app/src/my-app.ts" + * ``` + */ + url: string; + /** + * Absolute path to the source file + */ + path: string; + /** + * Absolute path to the directory containing the source file. + * + * Does not have a trailing slash + */ + dir: string; + /** + * Filename of the source file + */ + file: string; + /** + * Resolve a module ID the same as if you imported it + * + * On failure, throws a `ResolveError` + */ + resolve(moduleId: string): Promise<string>; + /** + * Resolve a `moduleId` as though it were imported from `parent` + * + * On failure, throws a `ResolveError` + */ + // tslint:disable-next-line:unified-signatures + resolve(moduleId: string, parent: string): Promise<string>; +} + +interface EncodeIntoResult { + /** + * The read Unicode code units of input. + */ + read: number; + /** + * The written UTF-8 bytes of output. + */ + written: number; +} + +interface Process { + /** + * The current version of Bun + */ + version: string; + /** + * Run a function on the next tick of the event loop + * + * This is the same as {@link queueMicrotask} + * + * @param callback - The function to run + */ + nextTick(callback: (...args: any) => any, ...args: any): void; + versions: Record<string, string>; + ppid: number; + pid: number; + arch: + | "arm64" + | "arm" + | "ia32" + | "mips" + | "mipsel" + | "ppc" + | "ppc64" + | "s390" + | "s390x" + | "x32" + | "x64" + | "x86"; + platform: "darwin" | "freebsd" | "linux" | "openbsd" | "sunos" | "win32"; + argv: string[]; + // execArgv: string[]; + env: Record<string, string> & { + NODE_ENV: string; + }; + // execPath: string; + // abort(): void; + chdir(directory: string): void; + cwd(): string; + exit(code?: number): void; + getgid(): number; + setgid(id: number | string): void; + getuid(): number; + setuid(id: number | string): void; +} + +declare let process: Process; + +interface BlobInterface { + text(): Promise<string>; + arrayBuffer(): Promise<ArrayBuffer>; + json(): Promise<JSON>; +} + +type BlobPart = string | Blob | ArrayBufferView | ArrayBuffer; +interface BlobPropertyBag { + /** Set a default "type" */ + type?: string; + + /** Not implemented in Bun yet. */ + endings?: "transparent" | "native"; +} + +/** + * This Fetch API interface allows you to perform various actions on HTTP + * request and response headers. These actions include retrieving, setting, + * adding to, and removing. A Headers object has an associated header list, + * which is initially empty and consists of zero or more name and value + * pairs. + * + * You can add to this using methods like append() + * + * In all methods of this interface, header names are matched by + * case-insensitive byte sequence. + */ +interface Headers { + append(name: string, value: string): void; + delete(name: string): void; + get(name: string): string | null; + has(name: string): boolean; + set(name: string, value: string): void; + forEach( + callbackfn: (value: string, key: string, parent: Headers) => void, + thisArg?: any + ): void; +} + +declare let Headers: { + prototype: Headers; + new (init?: HeadersInit): Headers; +}; + +type HeadersInit = Array<[string, string]> | Record<string, string> | Headers; +type ResponseType = + | "basic" + | "cors" + | "default" + | "error" + | "opaque" + | "opaqueredirect"; + +declare class Blob implements BlobInterface { + /** + * Create a new [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob) + * + * @param `parts` - An array of strings, numbers, TypedArray, or [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob) objects + * @param `options` - An object containing properties to be added to the [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob) + */ + constructor(parts?: BlobPart[] | Blob, options?: BlobPropertyBag); + /** + * Create a new view **without 🚫 copying** the underlying data. + * + * Similar to [`TypedArray.subarray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/subarray) + * + * @param begin The index that sets the beginning of the view. + * @param end The index that sets the end of the view. + * + */ + slice(begin?: number, end?: number): Blob; + + /** + * Read the data from the blob as a string. It will be decoded from UTF-8. + */ + text(): Promise<string>; + + /** + * Read the data from the blob as an ArrayBuffer. + * + * This copies the data into a new ArrayBuffer. + */ + arrayBuffer(): Promise<ArrayBuffer>; + + /** + * Read the data from the blob as a JSON object. + * + * This first decodes the data from UTF-8, then parses it as JSON. + * + */ + json(): Promise<JSON>; + + type: string; + size: number; +} + +interface ResponseInit { + headers?: HeadersInit; + /** @default 200 */ + status?: number; + + /** @default "OK" */ + statusText?: string; +} + +/** + * Represents an HTTP [Response](https://developer.mozilla.org/en-US/docs/Web/API/Response) + * + * Use it to get the body of the response, the status code, and other information. + * + * @example + * ```ts + * const response: Response = await fetch("https://remix.run"); + * await response.text(); + * ``` + * @example + * ```ts + * const response: Response = await fetch("https://remix.run"); + * await Bun.write("remix.html", response); + * ``` + */ +declare class Response implements BlobInterface { + constructor(body: BlobPart | BlobPart[], options?: ResponseInit); + + /** + * Create a new {@link Response} with a JSON body + * + * @param body - The body of the response + * @param options - options to pass to the response + * + * @example + * + * ```ts + * const response = Response.json({hi: "there"}); + * console.assert( + * await response.text(), + * `{"hi":"there"}` + * ); + * ``` + * ------- + * + * This is syntactic sugar for: + * ```js + * new Response(JSON.stringify(body), {headers: { "Content-Type": "application/json" }}) + * ``` + * @link https://github.com/whatwg/fetch/issues/1389 + */ + static json(body?: any, options?: ResponseInit | number): Response; + /** + * Create a new {@link Response} that redirects to url + * + * @param url - the URL to redirect to + * @param status - the HTTP status code to use for the redirect + */ + // tslint:disable-next-line:unified-signatures + static redirect(url: string, status?: number): Response; + + /** + * Create a new {@link Response} that redirects to url + * + * @param url - the URL to redirect to + * @param options - options to pass to the response + */ + // tslint:disable-next-line:unified-signatures + static redirect(url: string, options?: ResponseInit): Response; + + /** + * Create a new {@link Response} that has a network error + */ + static error(): Response; + + /** + * HTTP [Headers](https://developer.mozilla.org/en-US/docs/Web/API/Headers) sent with the response. + * + * @example + * ```ts + * const {headers} = await fetch("https://remix.run"); + * headers.get("Content-Type"); + * headers.get("Content-Length"); + * headers.get("Set-Cookie"); + * ``` + */ + readonly headers: Headers; + + /** + * Has the body of the response already been consumed? + */ + readonly bodyUsed: boolean; + + /** + * Read the data from the Response as a string. It will be decoded from UTF-8. + * + * When the body is valid latin1, this operation is zero copy. + */ + text(): Promise<string>; + + /** + * Read the data from the Response as a string. It will be decoded from UTF-8. + * + * When the body is valid latin1, this operation is zero copy. + */ + arrayBuffer(): Promise<ArrayBuffer>; + + /** + * Read the data from the Response as a JSON object. + * + * This first decodes the data from UTF-8, then parses it as JSON. + * + */ + json(): Promise<JSON>; + + /** + * Read the data from the Response as a Blob. + * + * This allows you to reuse the underlying data. + * + * @returns Promise<Blob> - The body of the response as a {@link Blob}. + */ + blob(): Promise<Blob>; + + readonly ok: boolean; + readonly redirected: boolean; + /** + * HTTP status code + * + * @example + * 200 + * + * 0 for network errors + */ + readonly status: number; + readonly statusText: string; + readonly type: ResponseType; + /** HTTP url as a string */ + readonly url: string; + + /** Copy the Response object into a new Response, including the body */ + clone(): Response; +} + +type RequestCache = + | "default" + | "force-cache" + | "no-cache" + | "no-store" + | "only-if-cached" + | "reload"; +type RequestCredentials = "include" | "omit" | "same-origin"; +type RequestDestination = + | "" + | "audio" + | "audioworklet" + | "document" + | "embed" + | "font" + | "frame" + | "iframe" + | "image" + | "manifest" + | "object" + | "paintworklet" + | "report" + | "script" + | "sharedworker" + | "style" + | "track" + | "video" + | "worker" + | "xslt"; +type RequestMode = "cors" | "navigate" | "no-cors" | "same-origin"; +type RequestRedirect = "error" | "follow" | "manual"; +type ReferrerPolicy = + | "" + | "no-referrer" + | "no-referrer-when-downgrade" + | "origin" + | "origin-when-cross-origin" + | "same-origin" + | "strict-origin" + | "strict-origin-when-cross-origin" + | "unsafe-url"; +type RequestInfo = Request | string; + +type BodyInit = XMLHttpRequestBodyInit; +type XMLHttpRequestBodyInit = Blob | BufferSource | string; + +interface RequestInit { + /** + * A BodyInit object or null to set request's body. + */ + body?: BodyInit | null; + /** + * A string indicating how the request will interact with the browser's cache to set request's cache. + * + * Note: as of Bun v0.0.74, this is not implemented yet. + */ + cache?: RequestCache; + /** + * A string indicating whether credentials will be sent with the request always, never, or only when sent to a same-origin URL. Sets request's credentials. + */ + credentials?: RequestCredentials; + /** + * A Headers object, an object literal, or an array of two-item arrays to set request's headers. + */ + headers?: HeadersInit; + /** + * A cryptographic hash of the resource to be fetched by request. Sets request's integrity. + * + * Note: as of Bun v0.0.74, this is not implemented yet. + */ + integrity?: string; + /** + * A boolean to set request's keepalive. + * + * Note: as of Bun v0.0.74, this is not implemented yet. + */ + keepalive?: boolean; + /** + * A string to set request's method. + */ + method?: string; + /** + * A string to indicate whether the request will use CORS, or will be restricted to same-origin URLs. Sets request's mode. + */ + mode?: RequestMode; + /** + * A string indicating whether request follows redirects, results in an error upon encountering a redirect, or returns the redirect (in an opaque fashion). Sets request's redirect. + */ + redirect?: RequestRedirect; + /** + * A string whose value is a same-origin URL, "about:client", or the empty string, to set request's referrer. + */ + referrer?: string; + /** + * A referrer policy to set request's referrerPolicy. + */ + referrerPolicy?: ReferrerPolicy; + /** + * An AbortSignal to set request's signal. + * + * Note: as of Bun v0.0.74, this is not implemented yet. + */ + signal?: AbortSignal | null; + /** + * Can only be null. Used to disassociate request from any Window. + * + * This does nothing in Bun + */ + window?: any; +} + +/** + * [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request) represents an HTTP request. + * + * @example + * ```ts + * const request = new Request("https://remix.run/"); + * await fetch(request); + * ``` + * + * @example + * ```ts + * const request = new Request("https://remix.run/"); + * await fetch(request); + * ``` + */ +declare class Request implements BlobInterface { + constructor(requestInfo: RequestInfo, requestInit?: RequestInit); + + /** + * Read or write the HTTP headers for this request. + * + * @example + * ```ts + * const request = new Request("https://remix.run/"); + * request.headers.set("Content-Type", "application/json"); + * request.headers.set("Accept", "application/json"); + * await fetch(request); + * ``` + */ + headers: Headers; + + /** + * The URL (as a string) corresponding to the HTTP request + * @example + * ```ts + * const request = new Request("https://remix.run/"); + * request.url; // "https://remix.run/" + * ``` + */ + readonly url: string; + + /** + * Consume the [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request) body as a string. It will be decoded from UTF-8. + * + * When the body is valid latin1, this operation is zero copy. + */ + text(): Promise<string>; + + /** + * Consume the [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request) body as an ArrayBuffer. + * + */ + arrayBuffer(): Promise<ArrayBuffer>; + + /** + * Consume the [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request) body as a JSON object. + * + * This first decodes the data from UTF-8, then parses it as JSON. + * + */ + json(): Promise<JSON>; + + /** + * Consume the [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request) body as a `Blob`. + * + * This allows you to reuse the underlying data. + * + */ + blob(): Promise<Blob>; + + /** + * Returns the cache mode associated with request, which is a string indicating how the request will interact with the browser's cache when fetching. + */ + readonly cache: RequestCache; + /** + * Returns the credentials mode associated with request, which is a string indicating whether credentials will be sent with the request always, never, or only when sent to a same-origin URL. + */ + readonly credentials: RequestCredentials; + /** + * Returns the kind of resource requested by request, e.g., "document" or "script". + * + * In Bun, this always returns "navigate". + */ + readonly destination: RequestDestination; + /** + * Returns request's subresource integrity metadata, which is a cryptographic hash of the resource being fetched. Its value consists of multiple hashes separated by whitespace. [SRI] + * + * This does nothing in Bun right now. + */ + readonly integrity: string; + /** + * Returns a boolean indicating whether or not request can outlive the global in which it was created. + * + * In Bun, this always returns false. + */ + readonly keepalive: boolean; + /** + * Returns request's HTTP method, which is "GET" by default. + */ + readonly method: string; + /** + * Returns the mode associated with request, which is a string indicating whether the request will use CORS, or will be restricted to same-origin URLs. + */ + readonly mode: RequestMode; + /** + * Returns the redirect mode associated with request, which is a string indicating how redirects for the request will be handled during fetching. A request will follow redirects by default. + */ + readonly redirect: RequestRedirect; + /** + * Returns the referrer of request. Its value can be a same-origin URL + * if explicitly set in init, the empty string to indicate no referrer, + * and "about:client" when defaulting to the global's default. This is + * used during fetching to determine the value of the `Referer` header + * of the request being made. + */ + readonly referrer: string; + /** + * Returns the referrer policy associated with request. This is used during fetching to compute the value of the request's referrer. + */ + readonly referrerPolicy: ReferrerPolicy; + /** + * Returns the signal associated with request, which is an AbortSignal object indicating whether or not request has been aborted, and its abort event handler. + * + * Note: this is **not implemented yet**. The cake is a lie. + */ + readonly signal: AbortSignal; + + /** Copy the Request object into a new Request, including the body */ + clone(): Request; +} + +interface Crypto { + getRandomValues(array: TypedArray): void; + /** + * Generate a cryptographically secure random UUID. + * + * @example + * + * ```js + * crypto.randomUUID() + * '5e6adf82-f516-4468-b1e1-33d6f664d7dc' + * ``` + */ + randomUUID(): string; +} + +declare let crypto: Crypto; + +/** + * [`atob`](https://developer.mozilla.org/en-US/docs/Web/API/atob) converts ascii text into base64. + * + * @param asciiText The ascii text to convert. + */ +declare function atob(asciiText: string): string; + +/** + * [`btoa`](https://developer.mozilla.org/en-US/docs/Web/API/btoa) decodes base64 into ascii text. + * + * @param base64Text The base64 text to convert. + */ +declare function btoa(base64Text: string): string; + +/** + * An implementation of the [WHATWG Encoding Standard](https://encoding.spec.whatwg.org/) `TextEncoder` API. All + * instances of `TextEncoder` only support UTF-8 encoding. + * + * ```js + * const encoder = new TextEncoder(); + * const uint8array = encoder.encode('this is some data'); + * ``` + * + */ +declare class TextEncoder { + constructor(encoding?: "utf-8"); + readonly encoding: "utf-8"; + + /** + * UTF-8 encodes the `input` string and returns a `Uint8Array` containing the + * encoded bytes. + * @param [input='an empty string'] The text to encode. + */ + encode(input?: string): Uint8Array; + /** + * UTF-8 encodes the `src` string to the `dest` Uint8Array and returns an object + * containing the read Unicode code units and written UTF-8 bytes. + * + * ```js + * const encoder = new TextEncoder(); + * const src = 'this is some data'; + * const dest = new Uint8Array(10); + * const { read, written } = encoder.encodeInto(src, dest); + * ``` + * @param src The text to encode. + * @param dest The array to hold the encode result. + */ + encodeInto(src?: string, dest?: TypedArray): EncodeIntoResult; +} + +declare class TextDecoder { + constructor( + encoding?: Encoding, + options?: { fatal?: boolean; ignoreBOM?: boolean } + ); + + encoding: Encoding; + ignoreBOM: boolean; + fatal: boolean; + + /** + * Decodes the `input` and returns a string. If `options.stream` is `true`, any + * incomplete byte sequences occurring at the end of the `input` are buffered + * internally and emitted after the next call to `textDecoder.decode()`. + * + * If `textDecoder.fatal` is `true`, decoding errors that occur will result in a`TypeError` being thrown. + * @param input An `ArrayBuffer`, `DataView` or `TypedArray` instance containing the encoded data. + */ + decode(input?: TypedArray | ArrayBuffer): string; +} + +/** + * ShadowRealms are a distinct global environment, with its own global object + * containing its own intrinsics and built-ins (standard objects that are not + * bound to global variables, like the initial value of Object.prototype). + * + * + * @example + * + * ```js + * const red = new ShadowRealm(); + * + * // realms can import modules that will execute within it's own environment. + * // When the module is resolved, it captured the binding value, or creates a new + * // wrapped function that is connected to the callable binding. + * const redAdd = await red.importValue('./inside-code.js', 'add'); + * + * // redAdd is a wrapped function exotic object that chains it's call to the + * // respective imported binding. + * let result = redAdd(2, 3); + * + * console.assert(result === 5); // yields true + * + * // The evaluate method can provide quick code evaluation within the constructed + * // shadowRealm without requiring any module loading, while it still requires CSP + * // relaxing. + * globalThis.someValue = 1; + * red.evaluate('globalThis.someValue = 2'); // Affects only the ShadowRealm's global + * console.assert(globalThis.someValue === 1); + * + * // The wrapped functions can also wrap other functions the other way around. + * const setUniqueValue = + * await red.importValue('./inside-code.js', 'setUniqueValue'); + * + * // setUniqueValue = (cb) => (cb(globalThis.someValue) * 2); + * + * result = setUniqueValue((x) => x ** 3); + * + * console.assert(result === 16); // yields true + * ``` + */ +declare class ShadowRealm { + /** + * Creates a new [ShadowRealm](https://github.com/tc39/proposal-shadowrealm/blob/main/explainer.md#introduction) + * + * @example + * + * ```js + * const red = new ShadowRealm(); + * + * // realms can import modules that will execute within it's own environment. + * // When the module is resolved, it captured the binding value, or creates a new + * // wrapped function that is connected to the callable binding. + * const redAdd = await red.importValue('./inside-code.js', 'add'); + * + * // redAdd is a wrapped function exotic object that chains it's call to the + * // respective imported binding. + * let result = redAdd(2, 3); + * + * console.assert(result === 5); // yields true + * + * // The evaluate method can provide quick code evaluation within the constructed + * // shadowRealm without requiring any module loading, while it still requires CSP + * // relaxing. + * globalThis.someValue = 1; + * red.evaluate('globalThis.someValue = 2'); // Affects only the ShadowRealm's global + * console.assert(globalThis.someValue === 1); + * + * // The wrapped functions can also wrap other functions the other way around. + * const setUniqueValue = + * await red.importValue('./inside-code.js', 'setUniqueValue'); + * + * // setUniqueValue = (cb) => (cb(globalThis.someValue) * 2); + * + * result = setUniqueValue((x) => x ** 3); + * + * console.assert(result === 16); // yields true + * ``` + */ + constructor(); + importValue(specifier: string, bindingName: string): Promise<any>; + evaluate(sourceText: string): any; +} + +type TypedArray = + | Uint8Array + | Int8Array + | Uint8ClampedArray + | Int16Array + | Uint16Array + | Int32Array + | Uint32Array + | Float32Array + | Float64Array; + +interface Blob { + /** + * Read the contents of the [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) as a JSON object + * @warn in browsers, this function is only available for `Response` and `Request` + */ + json(): Promise<any>; + /** + * Read the [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) as a UTF-8 string + * @link https://developer.mozilla.org/en-US/docs/Web/API/Blob/text + */ + text(): Promise<string>; + /** + * Read the [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) as an ArrayBuffer object + * @link https://developer.mozilla.org/en-US/docs/Web/API/Blob/arrayBuffer + */ + arrayBuffer(): Promise<ArrayBuffer>; +} + +declare var performance: { + /** + * Seconds since Bun.js started + * + * Uses a high-precision system timer to measure the time elapsed since the + * Bun.js runtime was initialized. The value is represented as a double + * precision floating point number. The value is monotonically increasing + * during the lifetime of the runtime. + * + */ + now: () => number; +}; + +/** + * Cancel a repeating timer by its timer ID. + * @param id timer id + */ +declare function clearInterval(id?: number): void; +/** + * Cancel a delayed function call by its timer ID. + * @param id timer id + */ +declare function clearTimeout(id?: number): void; +// declare function createImageBitmap(image: ImageBitmapSource, options?: ImageBitmapOptions): Promise<ImageBitmap>; +// declare function createImageBitmap(image: ImageBitmapSource, sx: number, sy: number, sw: number, sh: number, options?: ImageBitmapOptions): Promise<ImageBitmap>; +/** + * Send a HTTP(s) request + * + * @param url URL string + * @param init A structured value that contains settings for the fetch() request. + * + * @returns A promise that resolves to {@link Response} object. + * + * + */ +declare function fetch(url: string, init?: RequestInit): Promise<Response>; + +/** + * Send a HTTP(s) request + * + * @param request Request object + * @param init A structured value that contains settings for the fetch() request. + * + * @returns A promise that resolves to {@link Response} object. + * + * + */ +// tslint:disable-next-line:unified-signatures +declare function fetch(request: Request, init?: RequestInit): Promise<Response>; + +declare function queueMicrotask(callback: () => void): void; +/** + * Log an error using the default exception handler + * @param error Error or string + */ +declare function reportError(error: any): void; +/** + * Run a function every `interval` milliseconds + * @param handler function to call + * @param interval milliseconds to wait between calls + */ +declare function setInterval( + handler: TimerHandler, + interval?: number, + ...arguments: any[] +): number; +/** + * Run a function after `timeout` (milliseconds) + * @param handler function to call + * @param timeout milliseconds to wait between calls + */ +declare function setTimeout( + handler: TimerHandler, + timeout?: number, + ...arguments: any[] +): number; +declare function addEventListener<K extends keyof EventMap>( + type: K, + listener: (this: object, ev: EventMap[K]) => any, + options?: boolean | AddEventListenerOptions +): void; +declare function addEventListener( + type: string, + listener: EventListenerOrEventListenerObject, + options?: boolean | AddEventListenerOptions +): void; +declare function removeEventListener<K extends keyof EventMap>( + type: K, + listener: (this: object, ev: EventMap[K]) => any, + options?: boolean | EventListenerOptions +): void; +declare function removeEventListener( + type: string, + listener: EventListenerOrEventListenerObject, + options?: boolean | EventListenerOptions +): void; + +// ----------------------- +// ----------------------- +// --- libdom.d.ts + +interface ErrorEventInit extends EventInit { + colno?: number; + error?: any; + filename?: string; + lineno?: number; + message?: string; +} + +interface EventInit { + bubbles?: boolean; + cancelable?: boolean; + composed?: boolean; +} + +interface EventListenerOptions { + capture?: boolean; +} + +interface UIEventInit extends EventInit { + detail?: number; + view?: null; + /** @deprecated */ + which?: number; +} + +interface EventModifierInit extends UIEventInit { + altKey?: boolean; + ctrlKey?: boolean; + metaKey?: boolean; + modifierAltGraph?: boolean; + modifierCapsLock?: boolean; + modifierFn?: boolean; + modifierFnLock?: boolean; + modifierHyper?: boolean; + modifierNumLock?: boolean; + modifierScrollLock?: boolean; + modifierSuper?: boolean; + modifierSymbol?: boolean; + modifierSymbolLock?: boolean; + shiftKey?: boolean; +} + +interface EventSourceInit { + withCredentials?: boolean; +} + +/** A controller object that allows you to abort one or more DOM requests as and when desired. */ +interface AbortController { + /** + * Returns the AbortSignal object associated with this object. + */ + readonly signal: AbortSignal; + /** + * Invoking this method will set this object's AbortSignal's aborted flag and signal to any observers that the associated activity is to be aborted. + */ + abort(): void; +} + +/** EventTarget is a DOM interface implemented by objects that can receive events and may have listeners for them. */ +interface EventTarget { + /** + * Appends an event listener for events whose type attribute value is + * type. The callback argument sets the callback that will be invoked + * when the event is dispatched. + * + * The options argument sets listener-specific options. For + * compatibility this can be a boolean, in which case the method behaves + * exactly as if the value was specified as options's capture. + * + * When set to true, options's capture prevents callback from being + * invoked when the event's eventPhase attribute value is + * BUBBLING_PHASE. When false (or not present), callback will not be + * invoked when event's eventPhase attribute value is CAPTURING_PHASE. + * Either way,callback will be invoked if event's eventPhase attribute + * value is AT_TARGET. + * + * When set to true, options's passive indicates that the callback will + * not cancel the event by invoking preventDefault(). This is used to + * enable performance optimizations described in § 2.8 Observing event + * listeners. + * + * When set to true, options's once indicates that the callback will + * only be invoked once after which the event listener will be removed. + * + * If an AbortSignal is passed for options's signal, then the event + * listener will be removed when signal is aborted. + * + * The event listener is appended to target's event listener list and is + * not appended if it has the same type, callback, and capture. + */ + addEventListener( + type: string, + callback: EventListenerOrEventListenerObject | null, + options?: AddEventListenerOptions | boolean + ): void; + /** Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise. */ + dispatchEvent(event: Event): boolean; + /** Removes the event listener in target's event listener list with the same type, callback, and options. */ + removeEventListener( + type: string, + callback: EventListenerOrEventListenerObject | null, + options?: EventListenerOptions | boolean + ): void; +} + +declare let EventTarget: { + prototype: EventTarget; + new (): EventTarget; +}; + +/** An event which takes place in the DOM. */ +interface Event { + /** + * Returns true or false depending on how event was initialized. True + * if event goes through its target's ancestors in reverse tree order, + * and false otherwise. + */ + readonly bubbles: boolean; + cancelBubble: boolean; + /** + * Returns true or false depending on how event was initialized. Its + * return value does not always carry meaning, but true can indicate + * that part of the operation during which event was dispatched, can be + * canceled by invoking the preventDefault() method. + */ + readonly cancelable: boolean; + /** + * Returns true or false depending on how event was initialized. True + * if event invokes listeners past a ShadowRoot node that is the root of + * its target, and false otherwise. + */ + readonly composed: boolean; + /** + * Returns the object whose event listener's callback is currently + * being invoked. + */ + readonly currentTarget: EventTarget | null; + /** + * Returns true if preventDefault() was invoked successfully to + * indicate cancelation, and false otherwise. + */ + readonly defaultPrevented: boolean; + /** + * Returns the event's phase, which is one of NONE, CAPTURING_PHASE, + * AT_TARGET, and BUBBLING_PHASE. + */ + readonly eventPhase: number; + /** + * Returns true if event was dispatched by the user agent, and false + * otherwise. + */ + readonly isTrusted: boolean; + /** + * @deprecated + */ + returnValue: boolean; + /** + * @deprecated + */ + readonly srcElement: EventTarget | null; + /** + * Returns the object to which event is dispatched (its target). + */ + readonly target: EventTarget | null; + /** + * Returns the event's timestamp as the number of milliseconds measured + * relative to the time origin. + */ + readonly timeStamp: DOMHighResTimeStamp; + /** + * Returns the type of event, e.g. "click", "hashchange", or "submit". + */ + readonly type: string; + /** + * Returns the invocation target objects of event's path (objects on + * which listeners will be invoked), except for any nodes in shadow + * trees of which the shadow root's mode is "closed" that are not + * reachable from event's currentTarget. + */ + composedPath(): EventTarget[]; + /** + * @deprecated + */ + initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void; + /** + * If invoked when the cancelable attribute value is true, and while + * executing a listener for the event with passive set to false, signals + * to the operation that caused event to be dispatched that it needs to + * be canceled. + */ + preventDefault(): void; + /** + * Invoking this method prevents event from reaching any registered + * event listeners after the current one finishes running and, when + * dispatched in a tree, also prevents event from reaching any other + * objects. + */ + stopImmediatePropagation(): void; + /** + * When dispatched in a tree, invoking this method prevents event from + * reaching any objects other than the current object. + */ + stopPropagation(): void; + readonly AT_TARGET: number; + readonly BUBBLING_PHASE: number; + readonly CAPTURING_PHASE: number; + readonly NONE: number; +} + +declare let Event: { + prototype: Event; + new (type: string, eventInitDict?: EventInit): Event; + readonly AT_TARGET: number; + readonly BUBBLING_PHASE: number; + readonly CAPTURING_PHASE: number; + readonly NONE: number; +}; + +/** + * Events providing information related to errors in scripts or in files. + */ +interface ErrorEvent extends Event { + readonly colno: number; + readonly error: any; + readonly filename: string; + readonly lineno: number; + readonly message: string; +} + +declare let ErrorEvent: { + prototype: ErrorEvent; + new (type: string, eventInitDict?: ErrorEventInit): ErrorEvent; +}; + +/** + * The URL interface represents an object providing static methods used for + * creating object URLs. + */ +interface URL { + hash: string; + host: string; + hostname: string; + href: string; + toString(): string; + readonly origin: string; + password: string; + pathname: string; + port: string; + protocol: string; + search: string; + readonly searchParams: URLSearchParams; + username: string; + toJSON(): string; +} + +interface URLSearchParams { + /** Appends a specified key/value pair as a new search parameter. */ + append(name: string, value: string): void; + /** Deletes the given search parameter, and its associated value, from the list of all search parameters. */ + delete(name: string): void; + /** Returns the first value associated to the given search parameter. */ + get(name: string): string | null; + /** Returns all the values association with a given search parameter. */ + getAll(name: string): string[]; + /** Returns a Boolean indicating if such a search parameter exists. */ + has(name: string): boolean; + /** Sets the value associated to a given search parameter to the given value. If there were several values, delete the others. */ + set(name: string, value: string): void; + sort(): void; + /** Returns a string containing a query string suitable for use in a URL. Does not include the question mark. */ + toString(): string; + forEach( + callbackfn: (value: string, key: string, parent: URLSearchParams) => void, + thisArg?: any + ): void; +} + +declare let URLSearchParams: { + prototype: URLSearchParams; + new ( + init?: string[][] | Record<string, string> | string | URLSearchParams + ): URLSearchParams; + toString(): string; +}; + +declare let URL: { + prototype: URL; + new (url: string | URL, base?: string | URL): URL; + /** Not implemented yet */ + createObjectURL(obj: Blob): string; + /** Not implemented yet */ + revokeObjectURL(url: string): void; +}; + +type TimerHandler = (...args: any[]) => void; + +interface EventListener { + (evt: Event): void; +} + +interface EventListenerObject { + handleEvent(object: Event): void; +} + +declare let AbortController: { + prototype: AbortController; + new (): AbortController; +}; + +interface FetchEvent extends Event { + readonly request: Request; + readonly url: string; + + waitUntil(promise: Promise<any>): void; + respondWith(response: Response | Promise<Response>): void; +} + +interface EventMap { + fetch: FetchEvent; + // exit: Event; +} + +interface AbortSignalEventMap { + abort: Event; +} + +interface AddEventListenerOptions extends EventListenerOptions { + once?: boolean; + passive?: boolean; + signal?: AbortSignal; +} + +/** A signal object that allows you to communicate with a DOM request (such as a Fetch) and abort it if required via an AbortController object. */ +interface AbortSignal extends EventTarget { + /** + * Returns true if this AbortSignal's AbortController has signaled to abort, and false otherwise. + */ + readonly aborted: boolean; + onabort: ((this: AbortSignal, ev: Event) => any) | null; + addEventListener<K extends keyof AbortSignalEventMap>( + type: K, + listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any, + options?: boolean | AddEventListenerOptions + ): void; + addEventListener( + type: string, + listener: EventListenerOrEventListenerObject, + options?: boolean | AddEventListenerOptions + ): void; + removeEventListener<K extends keyof AbortSignalEventMap>( + type: K, + listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any, + options?: boolean | EventListenerOptions + ): void; + removeEventListener( + type: string, + listener: EventListenerOrEventListenerObject, + options?: boolean | EventListenerOptions + ): void; +} + +declare let AbortSignal: { + prototype: AbortSignal; + new (): AbortSignal; +}; + +// type AlgorithmIdentifier = Algorithm | string; +// type BodyInit = ReadableStream | XMLHttpRequestBodyInit; +type BufferSource = ArrayBufferView | ArrayBuffer; +// type COSEAlgorithmIdentifier = number; +// type CSSNumberish = number; +// type CanvasImageSource = +// | HTMLOrSVGImageElement +// | HTMLVideoElement +// | HTMLCanvasElement +// | ImageBitmap; +type DOMHighResTimeStamp = number; +// type EpochTimeStamp = number; +type EventListenerOrEventListenerObject = EventListener | EventListenerObject; + + +// ./path.d.ts + +/** + * The `path` module provides utilities for working with file and directory paths. + * It can be accessed using: + * + * ```js + * import path from 'path'; + * ``` + */ +declare module "path/posix" { + /** + * A parsed path object generated by path.parse() or consumed by path.format(). + */ + interface ParsedPath { + /** + * The root of the path such as '/' or 'c:\' + */ + root: string; + /** + * The full directory path such as '/home/user/dir' or 'c:\path\dir' + */ + dir: string; + /** + * The file name including extension (if any) such as 'index.html' + */ + base: string; + /** + * The file extension (if any) such as '.html' + */ + ext: string; + /** + * The file name without extension (if any) such as 'index' + */ + name: string; + } + interface FormatInputPathObject { + /** + * The root of the path such as '/' or 'c:\' + */ + root?: string | undefined; + /** + * The full directory path such as '/home/user/dir' or 'c:\path\dir' + */ + dir?: string | undefined; + /** + * The file name including extension (if any) such as 'index.html' + */ + base?: string | undefined; + /** + * The file extension (if any) such as '.html' + */ + ext?: string | undefined; + /** + * The file name without extension (if any) such as 'index' + */ + name?: string | undefined; + } + + /** + * Normalize a string path, reducing '..' and '.' parts. + * When multiple slashes are found, they're replaced by a single one; when the path contains a trailing slash, it is preserved. On Windows backslashes are used. + * + * @param p string path to normalize. + */ + export function normalize(p: string): string; + /** + * Join all arguments together and normalize the resulting path. + * Arguments must be strings. In v0.8, non-string arguments were silently ignored. In v0.10 and up, an exception is thrown. + * + * @param paths paths to join. + */ + export function join(...paths: string[]): string; + /** + * The right-most parameter is considered {to}. Other parameters are considered an array of {from}. + * + * Starting from leftmost {from} parameter, resolves {to} to an absolute path. + * + * If {to} isn't already absolute, {from} arguments are prepended in right to left order, + * until an absolute path is found. If after using all {from} paths still no absolute path is found, + * the current working directory is used as well. The resulting path is normalized, + * and trailing slashes are removed unless the path gets resolved to the root directory. + * + * @param pathSegments string paths to join. Non-string arguments are ignored. + */ + export function resolve(...pathSegments: string[]): string; + /** + * Determines whether {path} is an absolute path. An absolute path will always resolve to the same location, regardless of the working directory. + * + * @param path path to test. + */ + export function isAbsolute(p: string): boolean; + /** + * Solve the relative path from {from} to {to}. + * At times we have two absolute paths, and we need to derive the relative path from one to the other. This is actually the reverse transform of path.resolve. + */ + export function relative(from: string, to: string): string; + /** + * Return the directory name of a path. Similar to the Unix dirname command. + * + * @param p the path to evaluate. + */ + export function dirname(p: string): string; + /** + * Return the last portion of a path. Similar to the Unix basename command. + * Often used to extract the file name from a fully qualified path. + * + * @param p the path to evaluate. + * @param ext optionally, an extension to remove from the result. + */ + export function basename(p: string, ext?: string): string; + /** + * Return the extension of the path, from the last '.' to end of string in the last portion of the path. + * If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string + * + * @param p the path to evaluate. + */ + export function extname(p: string): string; + /** + * The platform-specific file separator. '\\' or '/'. + */ + export var sep: string; + /** + * The platform-specific file delimiter. ';' or ':'. + */ + export var delimiter: string; + /** + * Returns an object from a path string - the opposite of format(). + * + * @param pathString path to evaluate. + */ + export function parse(p: string): ParsedPath; + /** + * Returns a path string from an object - the opposite of parse(). + * + * @param pathString path to evaluate. + */ + export function format(pP: FormatInputPathObject): string; + /** + * On Windows systems only, returns an equivalent namespace-prefixed path for the given path. + * If path is not a string, path will be returned without modifications. + * This method is meaningful only on Windows system. + * On POSIX systems, the method is non-operational and always returns path without modifications. + */ + export function toNamespacedPath(path: string): string; +} + +/** + * The `path` module provides utilities for working with file and directory paths. + * It can be accessed using: + * + * ```js + * import path from 'path'; + * ``` + */ +declare module "path/win32" { + export * from "path/posix"; +} + +/** + * The `path` module provides utilities for working with file and directory paths. + * It can be accessed using: + * + * ```js + * import path from 'path'; + * ``` + */ +declare module "path" { + export * from "path/posix"; + export * as posix from "path/posix"; + export * as win32 from "path/win32"; +} + +/** + * The `path` module provides utilities for working with file and directory paths. + * It can be accessed using: + * + * ```js + * import path from 'path'; + * ``` + */ +declare module "node:path" { + export * from "path"; +} +/** + * The `path` module provides utilities for working with file and directory paths. + * It can be accessed using: + * + * ```js + * import path from 'path'; + * ``` + */ +declare module "node:path/posix" { + export * from "path/posix"; +} +/** + * The `path` module provides utilities for working with file and directory paths. + * It can be accessed using: + * + * ```js + * import path from 'path'; + * ``` + */ +declare module "node:path/win32" { + export * from "path/win32"; +} + + +// ./bun-test.d.ts + +/** + * + * This isn't really designed for third-party usage yet + * You can try it if you want though! + * + * To run the tests, run `bun wiptest` + * + * @example + * + * ```bash + * $ bun wiptest + * ``` + * + * @example + * ```bash + * $ bun wiptest file-name + * ``` + */ +declare module "bun:test" { + export function describe(label: string, body: () => {}): any; + export function it(label: string, test: () => void | Promise<any>): any; + export function test(label: string, test: () => void | Promise<any>): any; + + export function expect(value: any): Expect; + + interface Expect { + toBe(value: any): void; + toContain(value: any): void; + } +} + +declare module "test" { + import BunTestModule = require("bun:test"); + export = BunTestModule; +} + |
