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rOACCT/node_modules/@types/node/child_process.d.ts
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child_process.d.ts
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declare module "child_process" {
import { BaseEncodingOptions } from 'fs';
import * as events from "events";
import * as net from "net";
import { Writable, Readable, Stream, Pipe } from "stream";
type Serializable = string | object | number | boolean;
type SendHandle = net.Socket | net.Server;
interface ChildProcess extends events.EventEmitter {
stdin: Writable | null;
stdout: Readable | null;
stderr: Readable | null;
readonly channel?: Pipe | null;
readonly stdio: [
Writable | null, // stdin
Readable | null, // stdout
Readable | null, // stderr
Readable | Writable | null | undefined, // extra
Readable | Writable | null | undefined // extra
];
readonly killed: boolean;
readonly pid: number;
readonly connected: boolean;
readonly exitCode: number | null;
readonly signalCode: NodeJS.Signals | null;
readonly spawnargs: string[];
readonly spawnfile: string;
kill(signal?: NodeJS.Signals | number): boolean;
send(message: Serializable, callback?: (error: Error | null) => void): boolean;
send(message: Serializable, sendHandle?: SendHandle, callback?: (error: Error | null) => void): boolean;
send(message: Serializable, sendHandle?: SendHandle, options?: MessageOptions, callback?: (error: Error | null) => void): boolean;
disconnect(): void;
unref(): void;
ref(): void;
/**
* events.EventEmitter
* 1. close
* 2. disconnect
* 3. error
* 4. exit
* 5. message
*/
addListener(event: string, listener: (...args: any[]) => void): this;
addListener(event: "close", listener: (code: number, signal: NodeJS.Signals) => void): this;
addListener(event: "disconnect", listener: () => void): this;
addListener(event: "error", listener: (err: Error) => void): this;
addListener(event: "exit", listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
addListener(event: "message", listener: (message: Serializable, sendHandle: SendHandle) => void): this;
emit(event: string | symbol, ...args: any[]): boolean;
emit(event: "close", code: number, signal: NodeJS.Signals): boolean;
emit(event: "disconnect"): boolean;
emit(event: "error", err: Error): boolean;
emit(event: "exit", code: number | null, signal: NodeJS.Signals | null): boolean;
emit(event: "message", message: Serializable, sendHandle: SendHandle): boolean;
on(event: string, listener: (...args: any[]) => void): this;
on(event: "close", listener: (code: number, signal: NodeJS.Signals) => void): this;
on(event: "disconnect", listener: () => void): this;
on(event: "error", listener: (err: Error) => void): this;
on(event: "exit", listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
on(event: "message", listener: (message: Serializable, sendHandle: SendHandle) => void): this;
once(event: string, listener: (...args: any[]) => void): this;
once(event: "close", listener: (code: number, signal: NodeJS.Signals) => void): this;
once(event: "disconnect", listener: () => void): this;
once(event: "error", listener: (err: Error) => void): this;
once(event: "exit", listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
once(event: "message", listener: (message: Serializable, sendHandle: SendHandle) => void): this;
prependListener(event: string, listener: (...args: any[]) => void): this;
prependListener(event: "close", listener: (code: number, signal: NodeJS.Signals) => void): this;
prependListener(event: "disconnect", listener: () => void): this;
prependListener(event: "error", listener: (err: Error) => void): this;
prependListener(event: "exit", listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
prependListener(event: "message", listener: (message: Serializable, sendHandle: SendHandle) => void): this;
prependOnceListener(event: string, listener: (...args: any[]) => void): this;
prependOnceListener(event: "close", listener: (code: number, signal: NodeJS.Signals) => void): this;
prependOnceListener(event: "disconnect", listener: () => void): this;
prependOnceListener(event: "error", listener: (err: Error) => void): this;
prependOnceListener(event: "exit", listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
prependOnceListener(event: "message", listener: (message: Serializable, sendHandle: SendHandle) => void): this;
}
// return this object when stdio option is undefined or not specified
interface ChildProcessWithoutNullStreams extends ChildProcess {
stdin: Writable;
stdout: Readable;
stderr: Readable;
readonly stdio: [
Writable, // stdin
Readable, // stdout
Readable, // stderr
Readable | Writable | null | undefined, // extra, no modification
Readable | Writable | null | undefined // extra, no modification
];
}
// return this object when stdio option is a tuple of 3
interface ChildProcessByStdio<
I extends null | Writable,
O extends null | Readable,
E extends null | Readable,
> extends ChildProcess {
stdin: I;
stdout: O;
stderr: E;
readonly stdio: [
I,
O,
E,
Readable | Writable | null | undefined, // extra, no modification
Readable | Writable | null | undefined // extra, no modification
];
}
interface MessageOptions {
keepOpen?: boolean;
}
type StdioOptions = "pipe" | "ignore" | "inherit" | Array<("pipe" | "ipc" | "ignore" | "inherit" | Stream | number | null | undefined)>;
type SerializationType = 'json' | 'advanced';
interface MessagingOptions {
/**
* Specify the kind of serialization used for sending messages between processes.
* @default 'json'
*/
serialization?: SerializationType;
}
interface ProcessEnvOptions {
uid?: number;
gid?: number;
cwd?: string;
env?: NodeJS.ProcessEnv;
}
interface CommonOptions extends ProcessEnvOptions {
/**
* @default true
*/
windowsHide?: boolean;
/**
* @default 0
*/
timeout?: number;
}
interface CommonSpawnOptions extends CommonOptions, MessagingOptions {
argv0?: string;
stdio?: StdioOptions;
shell?: boolean | string;
windowsVerbatimArguments?: boolean;
}
interface SpawnOptions extends CommonSpawnOptions {
detached?: boolean;
}
interface SpawnOptionsWithoutStdio extends SpawnOptions {
stdio?: 'pipe' | Array<null | undefined | 'pipe'>;
}
type StdioNull = 'inherit' | 'ignore' | Stream;
type StdioPipe = undefined | null | 'pipe';
interface SpawnOptionsWithStdioTuple<
Stdin extends StdioNull | StdioPipe,
Stdout extends StdioNull | StdioPipe,
Stderr extends StdioNull | StdioPipe,
> extends SpawnOptions {
stdio: [Stdin, Stdout, Stderr];
}
// overloads of spawn without 'args'
function spawn(command: string, options?: SpawnOptionsWithoutStdio): ChildProcessWithoutNullStreams;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioPipe>,
): ChildProcessByStdio<Writable, Readable, Readable>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioNull>,
): ChildProcessByStdio<Writable, Readable, null>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioPipe>,
): ChildProcessByStdio<Writable, null, Readable>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>,
): ChildProcessByStdio<null, Readable, Readable>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioNull>,
): ChildProcessByStdio<Writable, null, null>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioNull>,
): ChildProcessByStdio<null, Readable, null>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioPipe>,
): ChildProcessByStdio<null, null, Readable>;
function spawn(
command: string,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioNull>,
): ChildProcessByStdio<null, null, null>;
function spawn(command: string, options: SpawnOptions): ChildProcess;
// overloads of spawn with 'args'
function spawn(command: string, args?: ReadonlyArray<string>, options?: SpawnOptionsWithoutStdio): ChildProcessWithoutNullStreams;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioPipe>,
): ChildProcessByStdio<Writable, Readable, Readable>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioNull>,
): ChildProcessByStdio<Writable, Readable, null>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioPipe>,
): ChildProcessByStdio<Writable, null, Readable>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>,
): ChildProcessByStdio<null, Readable, Readable>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioNull>,
): ChildProcessByStdio<Writable, null, null>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioNull>,
): ChildProcessByStdio<null, Readable, null>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioPipe>,
): ChildProcessByStdio<null, null, Readable>;
function spawn(
command: string,
args: ReadonlyArray<string>,
options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioNull>,
): ChildProcessByStdio<null, null, null>;
function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptions): ChildProcess;
interface ExecOptions extends CommonOptions {
shell?: string;
maxBuffer?: number;
killSignal?: NodeJS.Signals | number;
}
interface ExecOptionsWithStringEncoding extends ExecOptions {
encoding: BufferEncoding;
}
interface ExecOptionsWithBufferEncoding extends ExecOptions {
encoding: BufferEncoding | null; // specify `null`.
}
interface ExecException extends Error {
cmd?: string;
killed?: boolean;
code?: number;
signal?: NodeJS.Signals;
}
// no `options` definitely means stdout/stderr are `string`.
function exec(command: string, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
// `options` with `"buffer"` or `null` for `encoding` means stdout/stderr are definitely `Buffer`.
function exec(command: string, options: { encoding: "buffer" | null } & ExecOptions, callback?: (error: ExecException | null, stdout: Buffer, stderr: Buffer) => void): ChildProcess;
// `options` with well known `encoding` means stdout/stderr are definitely `string`.
function exec(command: string, options: { encoding: BufferEncoding } & ExecOptions, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
// `options` with an `encoding` whose type is `string` means stdout/stderr could either be `Buffer` or `string`.
// There is no guarantee the `encoding` is unknown as `string` is a superset of `BufferEncoding`.
function exec(
command: string,
options: { encoding: BufferEncoding } & ExecOptions,
callback?: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void,
): ChildProcess;
// `options` without an `encoding` means stdout/stderr are definitely `string`.
function exec(command: string, options: ExecOptions, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
// fallback if nothing else matches. Worst case is always `string | Buffer`.
function exec(
command: string,
options: (BaseEncodingOptions & ExecOptions) | undefined | null,
callback?: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void,
): ChildProcess;
interface PromiseWithChild<T> extends Promise<T> {
child: ChildProcess;
}
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
namespace exec {
function __promisify__(command: string): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(command: string, options: { encoding: "buffer" | null } & ExecOptions): PromiseWithChild<{ stdout: Buffer, stderr: Buffer }>;
function __promisify__(command: string, options: { encoding: BufferEncoding } & ExecOptions): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(command: string, options: ExecOptions): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(command: string, options?: (BaseEncodingOptions & ExecOptions) | null): PromiseWithChild<{ stdout: string | Buffer, stderr: string | Buffer }>;
}
interface ExecFileOptions extends CommonOptions {
maxBuffer?: number;
killSignal?: NodeJS.Signals | number;
windowsVerbatimArguments?: boolean;
shell?: boolean | string;
}
interface ExecFileOptionsWithStringEncoding extends ExecFileOptions {
encoding: BufferEncoding;
}
interface ExecFileOptionsWithBufferEncoding extends ExecFileOptions {
encoding: 'buffer' | null;
}
interface ExecFileOptionsWithOtherEncoding extends ExecFileOptions {
encoding: BufferEncoding;
}
function execFile(file: string): ChildProcess;
function execFile(file: string, options: (BaseEncodingOptions & ExecFileOptions) | undefined | null): ChildProcess;
function execFile(file: string, args?: ReadonlyArray<string> | null): ChildProcess;
function execFile(file: string, args: ReadonlyArray<string> | undefined | null, options: (BaseEncodingOptions & ExecFileOptions) | undefined | null): ChildProcess;
// no `options` definitely means stdout/stderr are `string`.
function execFile(file: string, callback: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
function execFile(file: string, args: ReadonlyArray<string> | undefined | null, callback: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
// `options` with `"buffer"` or `null` for `encoding` means stdout/stderr are definitely `Buffer`.
function execFile(file: string, options: ExecFileOptionsWithBufferEncoding, callback: (error: ExecException | null, stdout: Buffer, stderr: Buffer) => void): ChildProcess;
function execFile(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: ExecFileOptionsWithBufferEncoding,
callback: (error: ExecException | null, stdout: Buffer, stderr: Buffer) => void,
): ChildProcess;
// `options` with well known `encoding` means stdout/stderr are definitely `string`.
function execFile(file: string, options: ExecFileOptionsWithStringEncoding, callback: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
function execFile(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: ExecFileOptionsWithStringEncoding,
callback: (error: ExecException | null, stdout: string, stderr: string) => void,
): ChildProcess;
// `options` with an `encoding` whose type is `string` means stdout/stderr could either be `Buffer` or `string`.
// There is no guarantee the `encoding` is unknown as `string` is a superset of `BufferEncoding`.
function execFile(
file: string,
options: ExecFileOptionsWithOtherEncoding,
callback: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void,
): ChildProcess;
function execFile(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: ExecFileOptionsWithOtherEncoding,
callback: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void,
): ChildProcess;
// `options` without an `encoding` means stdout/stderr are definitely `string`.
function execFile(file: string, options: ExecFileOptions, callback: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
function execFile(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: ExecFileOptions,
callback: (error: ExecException | null, stdout: string, stderr: string) => void
): ChildProcess;
// fallback if nothing else matches. Worst case is always `string | Buffer`.
function execFile(
file: string,
options: (BaseEncodingOptions & ExecFileOptions) | undefined | null,
callback: ((error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void) | undefined | null,
): ChildProcess;
function execFile(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: (BaseEncodingOptions & ExecFileOptions) | undefined | null,
callback: ((error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void) | undefined | null,
): ChildProcess;
// NOTE: This namespace provides design-time support for util.promisify. Exported members do not exist at runtime.
namespace execFile {
function __promisify__(file: string): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(file: string, args: ReadonlyArray<string> | undefined | null): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(file: string, options: ExecFileOptionsWithBufferEncoding): PromiseWithChild<{ stdout: Buffer, stderr: Buffer }>;
function __promisify__(file: string, args: ReadonlyArray<string> | undefined | null, options: ExecFileOptionsWithBufferEncoding): PromiseWithChild<{ stdout: Buffer, stderr: Buffer }>;
function __promisify__(file: string, options: ExecFileOptionsWithStringEncoding): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(file: string, args: ReadonlyArray<string> | undefined | null, options: ExecFileOptionsWithStringEncoding): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(file: string, options: ExecFileOptionsWithOtherEncoding): PromiseWithChild<{ stdout: string | Buffer, stderr: string | Buffer }>;
function __promisify__(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: ExecFileOptionsWithOtherEncoding,
): PromiseWithChild<{ stdout: string | Buffer, stderr: string | Buffer }>;
function __promisify__(file: string, options: ExecFileOptions): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(file: string, args: ReadonlyArray<string> | undefined | null, options: ExecFileOptions): PromiseWithChild<{ stdout: string, stderr: string }>;
function __promisify__(file: string, options: (BaseEncodingOptions & ExecFileOptions) | undefined | null): PromiseWithChild<{ stdout: string | Buffer, stderr: string | Buffer }>;
function __promisify__(
file: string,
args: ReadonlyArray<string> | undefined | null,
options: (BaseEncodingOptions & ExecFileOptions) | undefined | null,
): PromiseWithChild<{ stdout: string | Buffer, stderr: string | Buffer }>;
}
interface ForkOptions extends ProcessEnvOptions, MessagingOptions {
execPath?: string;
execArgv?: string[];
silent?: boolean;
stdio?: StdioOptions;
detached?: boolean;
windowsVerbatimArguments?: boolean;
}
function fork(modulePath: string, options?: ForkOptions): ChildProcess;
function fork(modulePath: string, args?: ReadonlyArray<string>, options?: ForkOptions): ChildProcess;
interface SpawnSyncOptions extends CommonSpawnOptions {
input?: string | NodeJS.ArrayBufferView;
killSignal?: NodeJS.Signals | number;
maxBuffer?: number;
encoding?: BufferEncoding | 'buffer' | null;
}
interface SpawnSyncOptionsWithStringEncoding extends SpawnSyncOptions {
encoding: BufferEncoding;
}
interface SpawnSyncOptionsWithBufferEncoding extends SpawnSyncOptions {
encoding?: 'buffer' | null;
}
interface SpawnSyncReturns<T> {
pid: number;
output: string[];
stdout: T;
stderr: T;
status: number | null;
signal: NodeJS.Signals | null;
error?: Error;
}
function spawnSync(command: string): SpawnSyncReturns<Buffer>;
function spawnSync(command: string, options?: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
function spawnSync(command: string, options?: SpawnSyncOptionsWithBufferEncoding): SpawnSyncReturns<Buffer>;
function spawnSync(command: string, options?: SpawnSyncOptions): SpawnSyncReturns<Buffer>;
function spawnSync(command: string, args?: ReadonlyArray<string>, options?: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
function spawnSync(command: string, args?: ReadonlyArray<string>, options?: SpawnSyncOptionsWithBufferEncoding): SpawnSyncReturns<Buffer>;
function spawnSync(command: string, args?: ReadonlyArray<string>, options?: SpawnSyncOptions): SpawnSyncReturns<Buffer>;
interface ExecSyncOptions extends CommonOptions {
input?: string | Uint8Array;
stdio?: StdioOptions;
shell?: string;
killSignal?: NodeJS.Signals | number;
maxBuffer?: number;
encoding?: BufferEncoding | 'buffer' | null;
}
interface ExecSyncOptionsWithStringEncoding extends ExecSyncOptions {
encoding: BufferEncoding;
}
interface ExecSyncOptionsWithBufferEncoding extends ExecSyncOptions {
encoding?: 'buffer' | null;
}
function execSync(command: string): Buffer;
function execSync(command: string, options?: ExecSyncOptionsWithStringEncoding): string;
function execSync(command: string, options?: ExecSyncOptionsWithBufferEncoding): Buffer;
function execSync(command: string, options?: ExecSyncOptions): Buffer;
interface ExecFileSyncOptions extends CommonOptions {
input?: string | NodeJS.ArrayBufferView;
stdio?: StdioOptions;
killSignal?: NodeJS.Signals | number;
maxBuffer?: number;
encoding?: BufferEncoding;
shell?: boolean | string;
}
interface ExecFileSyncOptionsWithStringEncoding extends ExecFileSyncOptions {
encoding: BufferEncoding;
}
interface ExecFileSyncOptionsWithBufferEncoding extends ExecFileSyncOptions {
encoding: BufferEncoding; // specify `null`.
}
function execFileSync(command: string): Buffer;
function execFileSync(command: string, options?: ExecFileSyncOptionsWithStringEncoding): string;
function execFileSync(command: string, options?: ExecFileSyncOptionsWithBufferEncoding): Buffer;
function execFileSync(command: string, options?: ExecFileSyncOptions): Buffer;
function execFileSync(command: string, args?: ReadonlyArray<string>, options?: ExecFileSyncOptionsWithStringEncoding): string;
function execFileSync(command: string, args?: ReadonlyArray<string>, options?: ExecFileSyncOptionsWithBufferEncoding): Buffer;
function execFileSync(command: string, args?: ReadonlyArray<string>, options?: ExecFileSyncOptions): Buffer;
}
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