123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549 |
- /// <reference types="node"/>
- import {ChildProcess} from 'child_process';
- import {Stream, Readable as ReadableStream} from 'stream';
-
- declare namespace execa {
- type StdioOption =
- | 'pipe'
- | 'ipc'
- | 'ignore'
- | 'inherit'
- | Stream
- | number
- | undefined;
-
- interface CommonOptions<EncodingType> {
- /**
- Kill the spawned process when the parent process exits unless either:
- - the spawned process is [`detached`](https://nodejs.org/api/child_process.html#child_process_options_detached)
- - the parent process is terminated abruptly, for example, with `SIGKILL` as opposed to `SIGTERM` or a normal exit
-
- @default true
- */
- readonly cleanup?: boolean;
-
- /**
- Prefer locally installed binaries when looking for a binary to execute.
-
- If you `$ npm install foo`, you can then `execa('foo')`.
-
- @default false
- */
- readonly preferLocal?: boolean;
-
- /**
- Preferred path to find locally installed binaries in (use with `preferLocal`).
-
- @default process.cwd()
- */
- readonly localDir?: string;
-
- /**
- Path to the Node.js executable to use in child processes.
-
- This can be either an absolute path or a path relative to the `cwd` option.
-
- Requires `preferLocal` to be `true`.
-
- For example, this can be used together with [`get-node`](https://github.com/ehmicky/get-node) to run a specific Node.js version in a child process.
-
- @default process.execPath
- */
- readonly execPath?: string;
-
- /**
- Buffer the output from the spawned process. When set to `false`, you must read the output of `stdout` and `stderr` (or `all` if the `all` option is `true`). Otherwise the returned promise will not be resolved/rejected.
-
- If the spawned process fails, `error.stdout`, `error.stderr`, and `error.all` will contain the buffered data.
-
- @default true
- */
- readonly buffer?: boolean;
-
- /**
- Same options as [`stdio`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio).
-
- @default 'pipe'
- */
- readonly stdin?: StdioOption;
-
- /**
- Same options as [`stdio`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio).
-
- @default 'pipe'
- */
- readonly stdout?: StdioOption;
-
- /**
- Same options as [`stdio`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio).
-
- @default 'pipe'
- */
- readonly stderr?: StdioOption;
-
- /**
- Setting this to `false` resolves the promise with the error instead of rejecting it.
-
- @default true
- */
- readonly reject?: boolean;
-
- /**
- Add an `.all` property on the promise and the resolved value. The property contains the output of the process with `stdout` and `stderr` interleaved.
-
- @default false
- */
- readonly all?: boolean;
-
- /**
- Strip the final [newline character](https://en.wikipedia.org/wiki/Newline) from the output.
-
- @default true
- */
- readonly stripFinalNewline?: boolean;
-
- /**
- Set to `false` if you don't want to extend the environment variables when providing the `env` property.
-
- @default true
- */
- readonly extendEnv?: boolean;
-
- /**
- Current working directory of the child process.
-
- @default process.cwd()
- */
- readonly cwd?: string;
-
- /**
- Environment key-value pairs. Extends automatically from `process.env`. Set `extendEnv` to `false` if you don't want this.
-
- @default process.env
- */
- readonly env?: NodeJS.ProcessEnv;
-
- /**
- Explicitly set the value of `argv[0]` sent to the child process. This will be set to `command` or `file` if not specified.
- */
- readonly argv0?: string;
-
- /**
- Child's [stdio](https://nodejs.org/api/child_process.html#child_process_options_stdio) configuration.
-
- @default 'pipe'
- */
- readonly stdio?: 'pipe' | 'ignore' | 'inherit' | readonly StdioOption[];
-
- /**
- Specify the kind of serialization used for sending messages between processes when using the `stdio: 'ipc'` option or `execa.node()`:
- - `json`: Uses `JSON.stringify()` and `JSON.parse()`.
- - `advanced`: Uses [`v8.serialize()`](https://nodejs.org/api/v8.html#v8_v8_serialize_value)
-
- Requires Node.js `13.2.0` or later.
-
- [More info.](https://nodejs.org/api/child_process.html#child_process_advanced_serialization)
-
- @default 'json'
- */
- readonly serialization?: 'json' | 'advanced';
-
- /**
- Prepare child to run independently of its parent process. Specific behavior [depends on the platform](https://nodejs.org/api/child_process.html#child_process_options_detached).
-
- @default false
- */
- readonly detached?: boolean;
-
- /**
- Sets the user identity of the process.
- */
- readonly uid?: number;
-
- /**
- Sets the group identity of the process.
- */
- readonly gid?: number;
-
- /**
- If `true`, runs `command` inside of a shell. Uses `/bin/sh` on UNIX and `cmd.exe` on Windows. A different shell can be specified as a string. The shell should understand the `-c` switch on UNIX or `/d /s /c` on Windows.
-
- We recommend against using this option since it is:
- - not cross-platform, encouraging shell-specific syntax.
- - slower, because of the additional shell interpretation.
- - unsafe, potentially allowing command injection.
-
- @default false
- */
- readonly shell?: boolean | string;
-
- /**
- Specify the character encoding used to decode the `stdout` and `stderr` output. If set to `null`, then `stdout` and `stderr` will be a `Buffer` instead of a string.
-
- @default 'utf8'
- */
- readonly encoding?: EncodingType;
-
- /**
- If `timeout` is greater than `0`, the parent will send the signal identified by the `killSignal` property (the default is `SIGTERM`) if the child runs longer than `timeout` milliseconds.
-
- @default 0
- */
- readonly timeout?: number;
-
- /**
- Largest amount of data in bytes allowed on `stdout` or `stderr`. Default: 100 MB.
-
- @default 100_000_000
- */
- readonly maxBuffer?: number;
-
- /**
- Signal value to be used when the spawned process will be killed.
-
- @default 'SIGTERM'
- */
- readonly killSignal?: string | number;
-
- /**
- If `true`, no quoting or escaping of arguments is done on Windows. Ignored on other platforms. This is set to `true` automatically when the `shell` option is `true`.
-
- @default false
- */
- readonly windowsVerbatimArguments?: boolean;
-
- /**
- On Windows, do not create a new console window. Please note this also prevents `CTRL-C` [from working](https://github.com/nodejs/node/issues/29837) on Windows.
-
- @default true
- */
- readonly windowsHide?: boolean;
- }
-
- interface Options<EncodingType = string> extends CommonOptions<EncodingType> {
- /**
- Write some input to the `stdin` of your binary.
- */
- readonly input?: string | Buffer | ReadableStream;
- }
-
- interface SyncOptions<EncodingType = string> extends CommonOptions<EncodingType> {
- /**
- Write some input to the `stdin` of your binary.
- */
- readonly input?: string | Buffer;
- }
-
- interface NodeOptions<EncodingType = string> extends Options<EncodingType> {
- /**
- The Node.js executable to use.
-
- @default process.execPath
- */
- readonly nodePath?: string;
-
- /**
- List of [CLI options](https://nodejs.org/api/cli.html#cli_options) passed to the Node.js executable.
-
- @default process.execArgv
- */
- readonly nodeOptions?: string[];
- }
-
- interface ExecaReturnBase<StdoutStderrType> {
- /**
- The file and arguments that were run.
- */
- command: string;
-
- /**
- The numeric exit code of the process that was run.
- */
- exitCode: number;
-
- /**
- The output of the process on stdout.
- */
- stdout: StdoutStderrType;
-
- /**
- The output of the process on stderr.
- */
- stderr: StdoutStderrType;
-
- /**
- Whether the process failed to run.
- */
- failed: boolean;
-
- /**
- Whether the process timed out.
- */
- timedOut: boolean;
-
- /**
- Whether the process was killed.
- */
- killed: boolean;
-
- /**
- The name of the signal that was used to terminate the process. For example, `SIGFPE`.
-
- If a signal terminated the process, this property is defined and included in the error message. Otherwise it is `undefined`.
- */
- signal?: string;
-
- /**
- A human-friendly description of the signal that was used to terminate the process. For example, `Floating point arithmetic error`.
-
- If a signal terminated the process, this property is defined and included in the error message. Otherwise it is `undefined`. It is also `undefined` when the signal is very uncommon which should seldomly happen.
- */
- signalDescription?: string;
- }
-
- interface ExecaSyncReturnValue<StdoutErrorType = string>
- extends ExecaReturnBase<StdoutErrorType> {
- }
-
- /**
- Result of a child process execution. On success this is a plain object. On failure this is also an `Error` instance.
-
- The child process fails when:
- - its exit code is not `0`
- - it was killed with a signal
- - timing out
- - being canceled
- - there's not enough memory or there are already too many child processes
- */
- interface ExecaReturnValue<StdoutErrorType = string>
- extends ExecaSyncReturnValue<StdoutErrorType> {
- /**
- The output of the process with `stdout` and `stderr` interleaved.
-
- This is `undefined` if either:
- - the `all` option is `false` (default value)
- - `execa.sync()` was used
- */
- all?: StdoutErrorType;
-
- /**
- Whether the process was canceled.
- */
- isCanceled: boolean;
- }
-
- interface ExecaSyncError<StdoutErrorType = string>
- extends Error,
- ExecaReturnBase<StdoutErrorType> {
- /**
- Error message when the child process failed to run. In addition to the underlying error message, it also contains some information related to why the child process errored.
-
- The child process stderr then stdout are appended to the end, separated with newlines and not interleaved.
- */
- message: string;
-
- /**
- This is the same as the `message` property except it does not include the child process stdout/stderr.
- */
- shortMessage: string;
-
- /**
- Original error message. This is the same as the `message` property except it includes neither the child process stdout/stderr nor some additional information added by Execa.
-
- This is `undefined` unless the child process exited due to an `error` event or a timeout.
- */
- originalMessage?: string;
- }
-
- interface ExecaError<StdoutErrorType = string>
- extends ExecaSyncError<StdoutErrorType> {
- /**
- The output of the process with `stdout` and `stderr` interleaved.
-
- This is `undefined` if either:
- - the `all` option is `false` (default value)
- - `execa.sync()` was used
- */
- all?: StdoutErrorType;
-
- /**
- Whether the process was canceled.
- */
- isCanceled: boolean;
- }
-
- interface KillOptions {
- /**
- Milliseconds to wait for the child process to terminate before sending `SIGKILL`.
-
- Can be disabled with `false`.
-
- @default 5000
- */
- forceKillAfterTimeout?: number | false;
- }
-
- interface ExecaChildPromise<StdoutErrorType> {
- catch<ResultType = never>(
- onRejected?: (reason: ExecaError<StdoutErrorType>) => ResultType | PromiseLike<ResultType>
- ): Promise<ExecaReturnValue<StdoutErrorType> | ResultType>;
-
- /**
- Same as the original [`child_process#kill()`](https://nodejs.org/api/child_process.html#child_process_subprocess_kill_signal), except if `signal` is `SIGTERM` (the default value) and the child process is not terminated after 5 seconds, force it by sending `SIGKILL`.
- */
- kill(signal?: string, options?: execa.KillOptions): void;
-
- /**
- Similar to [`childProcess.kill()`](https://nodejs.org/api/child_process.html#child_process_subprocess_kill_signal). This is preferred when cancelling the child process execution as the error is more descriptive and [`childProcessResult.isCanceled`](#iscanceled) is set to `true`.
- */
- cancel(): void;
-
- /**
- Stream combining/interleaving [`stdout`](https://nodejs.org/api/child_process.html#child_process_subprocess_stdout) and [`stderr`](https://nodejs.org/api/child_process.html#child_process_subprocess_stderr).
-
- This is `undefined` if either:
- - the `all` option is `false` (the default value)
- - both `stdout` and `stderr` options are set to [`'inherit'`, `'ipc'`, `Stream` or `integer`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio)
- */
- all?: ReadableStream;
- }
-
- type ExecaChildProcess<StdoutErrorType = string> = ChildProcess &
- ExecaChildPromise<StdoutErrorType> &
- Promise<ExecaReturnValue<StdoutErrorType>>;
- }
-
- declare const execa: {
- /**
- Execute a file.
-
- Think of this as a mix of `child_process.execFile` and `child_process.spawn`.
-
- @param file - The program/script to execute.
- @param arguments - Arguments to pass to `file` on execution.
- @returns A [`child_process` instance](https://nodejs.org/api/child_process.html#child_process_class_childprocess), which is enhanced to also be a `Promise` for a result `Object` with `stdout` and `stderr` properties.
-
- @example
- ```
- import execa = require('execa');
-
- (async () => {
- const {stdout} = await execa('echo', ['unicorns']);
- console.log(stdout);
- //=> 'unicorns'
-
- // Cancelling a spawned process
- const subprocess = execa('node');
- setTimeout(() => { spawned.cancel() }, 1000);
- try {
- await subprocess;
- } catch (error) {
- console.log(subprocess.killed); // true
- console.log(error.isCanceled); // true
- }
- })();
-
- // Pipe the child process stdout to the current stdout
- execa('echo', ['unicorns']).stdout.pipe(process.stdout);
- ```
- */
- (
- file: string,
- arguments?: readonly string[],
- options?: execa.Options
- ): execa.ExecaChildProcess;
- (
- file: string,
- arguments?: readonly string[],
- options?: execa.Options<null>
- ): execa.ExecaChildProcess<Buffer>;
- (file: string, options?: execa.Options): execa.ExecaChildProcess;
- (file: string, options?: execa.Options<null>): execa.ExecaChildProcess<
- Buffer
- >;
-
- /**
- Execute a file synchronously.
-
- This method throws an `Error` if the command fails.
-
- @param file - The program/script to execute.
- @param arguments - Arguments to pass to `file` on execution.
- @returns A result `Object` with `stdout` and `stderr` properties.
- */
- sync(
- file: string,
- arguments?: readonly string[],
- options?: execa.SyncOptions
- ): execa.ExecaSyncReturnValue;
- sync(
- file: string,
- arguments?: readonly string[],
- options?: execa.SyncOptions<null>
- ): execa.ExecaSyncReturnValue<Buffer>;
- sync(file: string, options?: execa.SyncOptions): execa.ExecaSyncReturnValue;
- sync(
- file: string,
- options?: execa.SyncOptions<null>
- ): execa.ExecaSyncReturnValue<Buffer>;
-
- /**
- Same as `execa()` except both file and arguments are specified in a single `command` string. For example, `execa('echo', ['unicorns'])` is the same as `execa.command('echo unicorns')`.
-
- If the file or an argument contains spaces, they must be escaped with backslashes. This matters especially if `command` is not a constant but a variable, for example with `__dirname` or `process.cwd()`. Except for spaces, no escaping/quoting is needed.
-
- The `shell` option must be used if the `command` uses shell-specific features, as opposed to being a simple `file` followed by its `arguments`.
-
- @param command - The program/script to execute and its arguments.
- @returns A [`child_process` instance](https://nodejs.org/api/child_process.html#child_process_class_childprocess), which is enhanced to also be a `Promise` for a result `Object` with `stdout` and `stderr` properties.
-
- @example
- ```
- import execa = require('execa');
-
- (async () => {
- const {stdout} = await execa.command('echo unicorns');
- console.log(stdout);
- //=> 'unicorns'
- })();
- ```
- */
- command(command: string, options?: execa.Options): execa.ExecaChildProcess;
- command(command: string, options?: execa.Options<null>): execa.ExecaChildProcess<Buffer>;
-
- /**
- Same as `execa.command()` but synchronous.
-
- @param command - The program/script to execute and its arguments.
- @returns A result `Object` with `stdout` and `stderr` properties.
- */
- commandSync(command: string, options?: execa.SyncOptions): execa.ExecaSyncReturnValue;
- commandSync(command: string, options?: execa.SyncOptions<null>): execa.ExecaSyncReturnValue<Buffer>;
-
- /**
- Execute a Node.js script as a child process.
-
- Same as `execa('node', [scriptPath, ...arguments], options)` except (like [`child_process#fork()`](https://nodejs.org/api/child_process.html#child_process_child_process_fork_modulepath_args_options)):
- - the current Node version and options are used. This can be overridden using the `nodePath` and `nodeArguments` options.
- - the `shell` option cannot be used
- - an extra channel [`ipc`](https://nodejs.org/api/child_process.html#child_process_options_stdio) is passed to [`stdio`](#stdio)
-
- @param scriptPath - Node.js script to execute.
- @param arguments - Arguments to pass to `scriptPath` on execution.
- @returns A [`child_process` instance](https://nodejs.org/api/child_process.html#child_process_class_childprocess), which is enhanced to also be a `Promise` for a result `Object` with `stdout` and `stderr` properties.
- */
- node(
- scriptPath: string,
- arguments?: readonly string[],
- options?: execa.NodeOptions
- ): execa.ExecaChildProcess;
- node(
- scriptPath: string,
- arguments?: readonly string[],
- options?: execa.Options<null>
- ): execa.ExecaChildProcess<Buffer>;
- node(scriptPath: string, options?: execa.Options): execa.ExecaChildProcess;
- node(scriptPath: string, options?: execa.Options<null>): execa.ExecaChildProcess<Buffer>;
- };
-
- export = execa;
|