import require$$0 from 'fs';
import g from 'path';
import util from 'util';
import require$$0$2 from 'child_process';
import { p as pathKey, s as signalExit, m as mergeStream$1, g as getStream$1, c as crossSpawn$1 } from './vendor-index.7a2cebfe.js';
import { o as onetime$1 } from './vendor-index.9c919048.js';
import require$$0$1 from 'os';
import './vendor-_commonjsHelpers.addc3445.js';
import 'assert';
import 'events';
import 'buffer';
import 'stream';

var findUp$1 = {exports: {}};

var locatePath = {exports: {}};

class Node {
	/// value;
	/// next;

	constructor(value) {
		this.value = value;

		// TODO: Remove this when targeting Node.js 12.
		this.next = undefined;
	}
}

class Queue$1 {
	// TODO: Use private class fields when targeting Node.js 12.
	// #_head;
	// #_tail;
	// #_size;

	constructor() {
		this.clear();
	}

	enqueue(value) {
		const node = new Node(value);

		if (this._head) {
			this._tail.next = node;
			this._tail = node;
		} else {
			this._head = node;
			this._tail = node;
		}

		this._size++;
	}

	dequeue() {
		const current = this._head;
		if (!current) {
			return;
		}

		this._head = this._head.next;
		this._size--;
		return current.value;
	}

	clear() {
		this._head = undefined;
		this._tail = undefined;
		this._size = 0;
	}

	get size() {
		return this._size;
	}

	* [Symbol.iterator]() {
		let current = this._head;

		while (current) {
			yield current.value;
			current = current.next;
		}
	}
}

var yoctoQueue = Queue$1;

const Queue = yoctoQueue;

const pLimit$1 = concurrency => {
	if (!((Number.isInteger(concurrency) || concurrency === Infinity) && concurrency > 0)) {
		throw new TypeError('Expected `concurrency` to be a number from 1 and up');
	}

	const queue = new Queue();
	let activeCount = 0;

	const next = () => {
		activeCount--;

		if (queue.size > 0) {
			queue.dequeue()();
		}
	};

	const run = async (fn, resolve, ...args) => {
		activeCount++;

		const result = (async () => fn(...args))();

		resolve(result);

		try {
			await result;
		} catch {}

		next();
	};

	const enqueue = (fn, resolve, ...args) => {
		queue.enqueue(run.bind(null, fn, resolve, ...args));

		(async () => {
			// This function needs to wait until the next microtask before comparing
			// `activeCount` to `concurrency`, because `activeCount` is updated asynchronously
			// when the run function is dequeued and called. The comparison in the if-statement
			// needs to happen asynchronously as well to get an up-to-date value for `activeCount`.
			await Promise.resolve();

			if (activeCount < concurrency && queue.size > 0) {
				queue.dequeue()();
			}
		})();
	};

	const generator = (fn, ...args) => new Promise(resolve => {
		enqueue(fn, resolve, ...args);
	});

	Object.defineProperties(generator, {
		activeCount: {
			get: () => activeCount
		},
		pendingCount: {
			get: () => queue.size
		},
		clearQueue: {
			value: () => {
				queue.clear();
			}
		}
	});

	return generator;
};

var pLimit_1 = pLimit$1;

const pLimit = pLimit_1;

class EndError extends Error {
	constructor(value) {
		super();
		this.value = value;
	}
}

// The input can also be a promise, so we await it
const testElement = async (element, tester) => tester(await element);

// The input can also be a promise, so we `Promise.all()` them both
const finder = async element => {
	const values = await Promise.all(element);
	if (values[1] === true) {
		throw new EndError(values[0]);
	}

	return false;
};

const pLocate$1 = async (iterable, tester, options) => {
	options = {
		concurrency: Infinity,
		preserveOrder: true,
		...options
	};

	const limit = pLimit(options.concurrency);

	// Start all the promises concurrently with optional limit
	const items = [...iterable].map(element => [element, limit(testElement, element, tester)]);

	// Check the promises either serially or concurrently
	const checkLimit = pLimit(options.preserveOrder ? 1 : Infinity);

	try {
		await Promise.all(items.map(element => checkLimit(finder, element)));
	} catch (error) {
		if (error instanceof EndError) {
			return error.value;
		}

		throw error;
	}
};

var pLocate_1 = pLocate$1;

const path$1 = g;
const fs$1 = require$$0;
const {promisify: promisify$1} = util;
const pLocate = pLocate_1;

const fsStat = promisify$1(fs$1.stat);
const fsLStat = promisify$1(fs$1.lstat);

const typeMappings = {
	directory: 'isDirectory',
	file: 'isFile'
};

function checkType({type}) {
	if (type in typeMappings) {
		return;
	}

	throw new Error(`Invalid type specified: ${type}`);
}

const matchType = (type, stat) => type === undefined || stat[typeMappings[type]]();

locatePath.exports = async (paths, options) => {
	options = {
		cwd: process.cwd(),
		type: 'file',
		allowSymlinks: true,
		...options
	};

	checkType(options);

	const statFn = options.allowSymlinks ? fsStat : fsLStat;

	return pLocate(paths, async path_ => {
		try {
			const stat = await statFn(path$1.resolve(options.cwd, path_));
			return matchType(options.type, stat);
		} catch {
			return false;
		}
	}, options);
};

locatePath.exports.sync = (paths, options) => {
	options = {
		cwd: process.cwd(),
		allowSymlinks: true,
		type: 'file',
		...options
	};

	checkType(options);

	const statFn = options.allowSymlinks ? fs$1.statSync : fs$1.lstatSync;

	for (const path_ of paths) {
		try {
			const stat = statFn(path$1.resolve(options.cwd, path_));

			if (matchType(options.type, stat)) {
				return path_;
			}
		} catch {}
	}
};

var pathExists = {exports: {}};

const fs = require$$0;
const {promisify} = util;

const pAccess = promisify(fs.access);

pathExists.exports = async path => {
	try {
		await pAccess(path);
		return true;
	} catch (_) {
		return false;
	}
};

pathExists.exports.sync = path => {
	try {
		fs.accessSync(path);
		return true;
	} catch (_) {
		return false;
	}
};

(function (module) {
	const path = g;
	const locatePath$1 = locatePath.exports;
	const pathExists$1 = pathExists.exports;

	const stop = Symbol('findUp.stop');

	module.exports = async (name, options = {}) => {
		let directory = path.resolve(options.cwd || '');
		const {root} = path.parse(directory);
		const paths = [].concat(name);

		const runMatcher = async locateOptions => {
			if (typeof name !== 'function') {
				return locatePath$1(paths, locateOptions);
			}

			const foundPath = await name(locateOptions.cwd);
			if (typeof foundPath === 'string') {
				return locatePath$1([foundPath], locateOptions);
			}

			return foundPath;
		};

		// eslint-disable-next-line no-constant-condition
		while (true) {
			// eslint-disable-next-line no-await-in-loop
			const foundPath = await runMatcher({...options, cwd: directory});

			if (foundPath === stop) {
				return;
			}

			if (foundPath) {
				return path.resolve(directory, foundPath);
			}

			if (directory === root) {
				return;
			}

			directory = path.dirname(directory);
		}
	};

	module.exports.sync = (name, options = {}) => {
		let directory = path.resolve(options.cwd || '');
		const {root} = path.parse(directory);
		const paths = [].concat(name);

		const runMatcher = locateOptions => {
			if (typeof name !== 'function') {
				return locatePath$1.sync(paths, locateOptions);
			}

			const foundPath = name(locateOptions.cwd);
			if (typeof foundPath === 'string') {
				return locatePath$1.sync([foundPath], locateOptions);
			}

			return foundPath;
		};

		// eslint-disable-next-line no-constant-condition
		while (true) {
			const foundPath = runMatcher({...options, cwd: directory});

			if (foundPath === stop) {
				return;
			}

			if (foundPath) {
				return path.resolve(directory, foundPath);
			}

			if (directory === root) {
				return;
			}

			directory = path.dirname(directory);
		}
	};

	module.exports.exists = pathExists$1;

	module.exports.sync.exists = pathExists$1.sync;

	module.exports.stop = stop;
} (findUp$1));

var findUp = findUp$1.exports;

var execa$1 = {exports: {}};

var stripFinalNewline$1 = input => {
	const LF = typeof input === 'string' ? '\n' : '\n'.charCodeAt();
	const CR = typeof input === 'string' ? '\r' : '\r'.charCodeAt();

	if (input[input.length - 1] === LF) {
		input = input.slice(0, input.length - 1);
	}

	if (input[input.length - 1] === CR) {
		input = input.slice(0, input.length - 1);
	}

	return input;
};

var npmRunPath$1 = {exports: {}};

(function (module) {
	const path = g;
	const pathKey$1 = pathKey.exports;

	const npmRunPath = options => {
		options = {
			cwd: process.cwd(),
			path: process.env[pathKey$1()],
			execPath: process.execPath,
			...options
		};

		let previous;
		let cwdPath = path.resolve(options.cwd);
		const result = [];

		while (previous !== cwdPath) {
			result.push(path.join(cwdPath, 'node_modules/.bin'));
			previous = cwdPath;
			cwdPath = path.resolve(cwdPath, '..');
		}

		// Ensure the running `node` binary is used
		const execPathDir = path.resolve(options.cwd, options.execPath, '..');
		result.push(execPathDir);

		return result.concat(options.path).join(path.delimiter);
	};

	module.exports = npmRunPath;
	// TODO: Remove this for the next major release
	module.exports.default = npmRunPath;

	module.exports.env = options => {
		options = {
			env: process.env,
			...options
		};

		const env = {...options.env};
		const path = pathKey$1({env});

		options.path = env[path];
		env[path] = module.exports(options);

		return env;
	};
} (npmRunPath$1));

var main = {};

var signals = {};

var core = {};

Object.defineProperty(core,"__esModule",{value:true});core.SIGNALS=void 0;

const SIGNALS=[
{
name:"SIGHUP",
number:1,
action:"terminate",
description:"Terminal closed",
standard:"posix"},

{
name:"SIGINT",
number:2,
action:"terminate",
description:"User interruption with CTRL-C",
standard:"ansi"},

{
name:"SIGQUIT",
number:3,
action:"core",
description:"User interruption with CTRL-\\",
standard:"posix"},

{
name:"SIGILL",
number:4,
action:"core",
description:"Invalid machine instruction",
standard:"ansi"},

{
name:"SIGTRAP",
number:5,
action:"core",
description:"Debugger breakpoint",
standard:"posix"},

{
name:"SIGABRT",
number:6,
action:"core",
description:"Aborted",
standard:"ansi"},

{
name:"SIGIOT",
number:6,
action:"core",
description:"Aborted",
standard:"bsd"},

{
name:"SIGBUS",
number:7,
action:"core",
description:
"Bus error due to misaligned, non-existing address or paging error",
standard:"bsd"},

{
name:"SIGEMT",
number:7,
action:"terminate",
description:"Command should be emulated but is not implemented",
standard:"other"},

{
name:"SIGFPE",
number:8,
action:"core",
description:"Floating point arithmetic error",
standard:"ansi"},

{
name:"SIGKILL",
number:9,
action:"terminate",
description:"Forced termination",
standard:"posix",
forced:true},

{
name:"SIGUSR1",
number:10,
action:"terminate",
description:"Application-specific signal",
standard:"posix"},

{
name:"SIGSEGV",
number:11,
action:"core",
description:"Segmentation fault",
standard:"ansi"},

{
name:"SIGUSR2",
number:12,
action:"terminate",
description:"Application-specific signal",
standard:"posix"},

{
name:"SIGPIPE",
number:13,
action:"terminate",
description:"Broken pipe or socket",
standard:"posix"},

{
name:"SIGALRM",
number:14,
action:"terminate",
description:"Timeout or timer",
standard:"posix"},

{
name:"SIGTERM",
number:15,
action:"terminate",
description:"Termination",
standard:"ansi"},

{
name:"SIGSTKFLT",
number:16,
action:"terminate",
description:"Stack is empty or overflowed",
standard:"other"},

{
name:"SIGCHLD",
number:17,
action:"ignore",
description:"Child process terminated, paused or unpaused",
standard:"posix"},

{
name:"SIGCLD",
number:17,
action:"ignore",
description:"Child process terminated, paused or unpaused",
standard:"other"},

{
name:"SIGCONT",
number:18,
action:"unpause",
description:"Unpaused",
standard:"posix",
forced:true},

{
name:"SIGSTOP",
number:19,
action:"pause",
description:"Paused",
standard:"posix",
forced:true},

{
name:"SIGTSTP",
number:20,
action:"pause",
description:"Paused using CTRL-Z or \"suspend\"",
standard:"posix"},

{
name:"SIGTTIN",
number:21,
action:"pause",
description:"Background process cannot read terminal input",
standard:"posix"},

{
name:"SIGBREAK",
number:21,
action:"terminate",
description:"User interruption with CTRL-BREAK",
standard:"other"},

{
name:"SIGTTOU",
number:22,
action:"pause",
description:"Background process cannot write to terminal output",
standard:"posix"},

{
name:"SIGURG",
number:23,
action:"ignore",
description:"Socket received out-of-band data",
standard:"bsd"},

{
name:"SIGXCPU",
number:24,
action:"core",
description:"Process timed out",
standard:"bsd"},

{
name:"SIGXFSZ",
number:25,
action:"core",
description:"File too big",
standard:"bsd"},

{
name:"SIGVTALRM",
number:26,
action:"terminate",
description:"Timeout or timer",
standard:"bsd"},

{
name:"SIGPROF",
number:27,
action:"terminate",
description:"Timeout or timer",
standard:"bsd"},

{
name:"SIGWINCH",
number:28,
action:"ignore",
description:"Terminal window size changed",
standard:"bsd"},

{
name:"SIGIO",
number:29,
action:"terminate",
description:"I/O is available",
standard:"other"},

{
name:"SIGPOLL",
number:29,
action:"terminate",
description:"Watched event",
standard:"other"},

{
name:"SIGINFO",
number:29,
action:"ignore",
description:"Request for process information",
standard:"other"},

{
name:"SIGPWR",
number:30,
action:"terminate",
description:"Device running out of power",
standard:"systemv"},

{
name:"SIGSYS",
number:31,
action:"core",
description:"Invalid system call",
standard:"other"},

{
name:"SIGUNUSED",
number:31,
action:"terminate",
description:"Invalid system call",
standard:"other"}];core.SIGNALS=SIGNALS;

var realtime = {};

Object.defineProperty(realtime,"__esModule",{value:true});realtime.SIGRTMAX=realtime.getRealtimeSignals=void 0;
const getRealtimeSignals=function(){
const length=SIGRTMAX-SIGRTMIN+1;
return Array.from({length},getRealtimeSignal);
};realtime.getRealtimeSignals=getRealtimeSignals;

const getRealtimeSignal=function(value,index){
return {
name:`SIGRT${index+1}`,
number:SIGRTMIN+index,
action:"terminate",
description:"Application-specific signal (realtime)",
standard:"posix"};

};

const SIGRTMIN=34;
const SIGRTMAX=64;realtime.SIGRTMAX=SIGRTMAX;

Object.defineProperty(signals,"__esModule",{value:true});signals.getSignals=void 0;var _os$1=require$$0$1;

var _core=core;
var _realtime$1=realtime;



const getSignals=function(){
const realtimeSignals=(0, _realtime$1.getRealtimeSignals)();
const signals=[..._core.SIGNALS,...realtimeSignals].map(normalizeSignal);
return signals;
};signals.getSignals=getSignals;







const normalizeSignal=function({
name,
number:defaultNumber,
description,
action,
forced=false,
standard})
{
const{
signals:{[name]:constantSignal}}=
_os$1.constants;
const supported=constantSignal!==undefined;
const number=supported?constantSignal:defaultNumber;
return {name,number,description,supported,action,forced,standard};
};

Object.defineProperty(main,"__esModule",{value:true});main.signalsByNumber=main.signalsByName=void 0;var _os=require$$0$1;

var _signals=signals;
var _realtime=realtime;



const getSignalsByName=function(){
const signals=(0, _signals.getSignals)();
return signals.reduce(getSignalByName,{});
};

const getSignalByName=function(
signalByNameMemo,
{name,number,description,supported,action,forced,standard})
{
return {
...signalByNameMemo,
[name]:{name,number,description,supported,action,forced,standard}};

};

const signalsByName$1=getSignalsByName();main.signalsByName=signalsByName$1;




const getSignalsByNumber=function(){
const signals=(0, _signals.getSignals)();
const length=_realtime.SIGRTMAX+1;
const signalsA=Array.from({length},(value,number)=>
getSignalByNumber(number,signals));

return Object.assign({},...signalsA);
};

const getSignalByNumber=function(number,signals){
const signal=findSignalByNumber(number,signals);

if(signal===undefined){
return {};
}

const{name,description,supported,action,forced,standard}=signal;
return {
[number]:{
name,
number,
description,
supported,
action,
forced,
standard}};


};



const findSignalByNumber=function(number,signals){
const signal=signals.find(({name})=>_os.constants.signals[name]===number);

if(signal!==undefined){
return signal;
}

return signals.find(signalA=>signalA.number===number);
};

const signalsByNumber=getSignalsByNumber();main.signalsByNumber=signalsByNumber;

const {signalsByName} = main;

const getErrorPrefix = ({timedOut, timeout, errorCode, signal, signalDescription, exitCode, isCanceled}) => {
	if (timedOut) {
		return `timed out after ${timeout} milliseconds`;
	}

	if (isCanceled) {
		return 'was canceled';
	}

	if (errorCode !== undefined) {
		return `failed with ${errorCode}`;
	}

	if (signal !== undefined) {
		return `was killed with ${signal} (${signalDescription})`;
	}

	if (exitCode !== undefined) {
		return `failed with exit code ${exitCode}`;
	}

	return 'failed';
};

const makeError$1 = ({
	stdout,
	stderr,
	all,
	error,
	signal,
	exitCode,
	command,
	escapedCommand,
	timedOut,
	isCanceled,
	killed,
	parsed: {options: {timeout}}
}) => {
	// `signal` and `exitCode` emitted on `spawned.on('exit')` event can be `null`.
	// We normalize them to `undefined`
	exitCode = exitCode === null ? undefined : exitCode;
	signal = signal === null ? undefined : signal;
	const signalDescription = signal === undefined ? undefined : signalsByName[signal].description;

	const errorCode = error && error.code;

	const prefix = getErrorPrefix({timedOut, timeout, errorCode, signal, signalDescription, exitCode, isCanceled});
	const execaMessage = `Command ${prefix}: ${command}`;
	const isError = Object.prototype.toString.call(error) === '[object Error]';
	const shortMessage = isError ? `${execaMessage}\n${error.message}` : execaMessage;
	const message = [shortMessage, stderr, stdout].filter(Boolean).join('\n');

	if (isError) {
		error.originalMessage = error.message;
		error.message = message;
	} else {
		error = new Error(message);
	}

	error.shortMessage = shortMessage;
	error.command = command;
	error.escapedCommand = escapedCommand;
	error.exitCode = exitCode;
	error.signal = signal;
	error.signalDescription = signalDescription;
	error.stdout = stdout;
	error.stderr = stderr;

	if (all !== undefined) {
		error.all = all;
	}

	if ('bufferedData' in error) {
		delete error.bufferedData;
	}

	error.failed = true;
	error.timedOut = Boolean(timedOut);
	error.isCanceled = isCanceled;
	error.killed = killed && !timedOut;

	return error;
};

var error = makeError$1;

var stdio = {exports: {}};

const aliases = ['stdin', 'stdout', 'stderr'];

const hasAlias = options => aliases.some(alias => options[alias] !== undefined);

const normalizeStdio$1 = options => {
	if (!options) {
		return;
	}

	const {stdio} = options;

	if (stdio === undefined) {
		return aliases.map(alias => options[alias]);
	}

	if (hasAlias(options)) {
		throw new Error(`It's not possible to provide \`stdio\` in combination with one of ${aliases.map(alias => `\`${alias}\``).join(', ')}`);
	}

	if (typeof stdio === 'string') {
		return stdio;
	}

	if (!Array.isArray(stdio)) {
		throw new TypeError(`Expected \`stdio\` to be of type \`string\` or \`Array\`, got \`${typeof stdio}\``);
	}

	const length = Math.max(stdio.length, aliases.length);
	return Array.from({length}, (value, index) => stdio[index]);
};

stdio.exports = normalizeStdio$1;

// `ipc` is pushed unless it is already present
stdio.exports.node = options => {
	const stdio = normalizeStdio$1(options);

	if (stdio === 'ipc') {
		return 'ipc';
	}

	if (stdio === undefined || typeof stdio === 'string') {
		return [stdio, stdio, stdio, 'ipc'];
	}

	if (stdio.includes('ipc')) {
		return stdio;
	}

	return [...stdio, 'ipc'];
};

const os = require$$0$1;
const onExit = signalExit.exports;

const DEFAULT_FORCE_KILL_TIMEOUT = 1000 * 5;

// Monkey-patches `childProcess.kill()` to add `forceKillAfterTimeout` behavior
const spawnedKill$1 = (kill, signal = 'SIGTERM', options = {}) => {
	const killResult = kill(signal);
	setKillTimeout(kill, signal, options, killResult);
	return killResult;
};

const setKillTimeout = (kill, signal, options, killResult) => {
	if (!shouldForceKill(signal, options, killResult)) {
		return;
	}

	const timeout = getForceKillAfterTimeout(options);
	const t = setTimeout(() => {
		kill('SIGKILL');
	}, timeout);

	// Guarded because there's no `.unref()` when `execa` is used in the renderer
	// process in Electron. This cannot be tested since we don't run tests in
	// Electron.
	// istanbul ignore else
	if (t.unref) {
		t.unref();
	}
};

const shouldForceKill = (signal, {forceKillAfterTimeout}, killResult) => {
	return isSigterm(signal) && forceKillAfterTimeout !== false && killResult;
};

const isSigterm = signal => {
	return signal === os.constants.signals.SIGTERM ||
		(typeof signal === 'string' && signal.toUpperCase() === 'SIGTERM');
};

const getForceKillAfterTimeout = ({forceKillAfterTimeout = true}) => {
	if (forceKillAfterTimeout === true) {
		return DEFAULT_FORCE_KILL_TIMEOUT;
	}

	if (!Number.isFinite(forceKillAfterTimeout) || forceKillAfterTimeout < 0) {
		throw new TypeError(`Expected the \`forceKillAfterTimeout\` option to be a non-negative integer, got \`${forceKillAfterTimeout}\` (${typeof forceKillAfterTimeout})`);
	}

	return forceKillAfterTimeout;
};

// `childProcess.cancel()`
const spawnedCancel$1 = (spawned, context) => {
	const killResult = spawned.kill();

	if (killResult) {
		context.isCanceled = true;
	}
};

const timeoutKill = (spawned, signal, reject) => {
	spawned.kill(signal);
	reject(Object.assign(new Error('Timed out'), {timedOut: true, signal}));
};

// `timeout` option handling
const setupTimeout$1 = (spawned, {timeout, killSignal = 'SIGTERM'}, spawnedPromise) => {
	if (timeout === 0 || timeout === undefined) {
		return spawnedPromise;
	}

	let timeoutId;
	const timeoutPromise = new Promise((resolve, reject) => {
		timeoutId = setTimeout(() => {
			timeoutKill(spawned, killSignal, reject);
		}, timeout);
	});

	const safeSpawnedPromise = spawnedPromise.finally(() => {
		clearTimeout(timeoutId);
	});

	return Promise.race([timeoutPromise, safeSpawnedPromise]);
};

const validateTimeout$1 = ({timeout}) => {
	if (timeout !== undefined && (!Number.isFinite(timeout) || timeout < 0)) {
		throw new TypeError(`Expected the \`timeout\` option to be a non-negative integer, got \`${timeout}\` (${typeof timeout})`);
	}
};

// `cleanup` option handling
const setExitHandler$1 = async (spawned, {cleanup, detached}, timedPromise) => {
	if (!cleanup || detached) {
		return timedPromise;
	}

	const removeExitHandler = onExit(() => {
		spawned.kill();
	});

	return timedPromise.finally(() => {
		removeExitHandler();
	});
};

var kill = {
	spawnedKill: spawnedKill$1,
	spawnedCancel: spawnedCancel$1,
	setupTimeout: setupTimeout$1,
	validateTimeout: validateTimeout$1,
	setExitHandler: setExitHandler$1
};

const isStream$1 = stream =>
	stream !== null &&
	typeof stream === 'object' &&
	typeof stream.pipe === 'function';

isStream$1.writable = stream =>
	isStream$1(stream) &&
	stream.writable !== false &&
	typeof stream._write === 'function' &&
	typeof stream._writableState === 'object';

isStream$1.readable = stream =>
	isStream$1(stream) &&
	stream.readable !== false &&
	typeof stream._read === 'function' &&
	typeof stream._readableState === 'object';

isStream$1.duplex = stream =>
	isStream$1.writable(stream) &&
	isStream$1.readable(stream);

isStream$1.transform = stream =>
	isStream$1.duplex(stream) &&
	typeof stream._transform === 'function';

var isStream_1 = isStream$1;

const isStream = isStream_1;
const getStream = getStream$1.exports;
const mergeStream = mergeStream$1;

// `input` option
const handleInput$1 = (spawned, input) => {
	// Checking for stdin is workaround for https://github.com/nodejs/node/issues/26852
	// @todo remove `|| spawned.stdin === undefined` once we drop support for Node.js <=12.2.0
	if (input === undefined || spawned.stdin === undefined) {
		return;
	}

	if (isStream(input)) {
		input.pipe(spawned.stdin);
	} else {
		spawned.stdin.end(input);
	}
};

// `all` interleaves `stdout` and `stderr`
const makeAllStream$1 = (spawned, {all}) => {
	if (!all || (!spawned.stdout && !spawned.stderr)) {
		return;
	}

	const mixed = mergeStream();

	if (spawned.stdout) {
		mixed.add(spawned.stdout);
	}

	if (spawned.stderr) {
		mixed.add(spawned.stderr);
	}

	return mixed;
};

// On failure, `result.stdout|stderr|all` should contain the currently buffered stream
const getBufferedData = async (stream, streamPromise) => {
	if (!stream) {
		return;
	}

	stream.destroy();

	try {
		return await streamPromise;
	} catch (error) {
		return error.bufferedData;
	}
};

const getStreamPromise = (stream, {encoding, buffer, maxBuffer}) => {
	if (!stream || !buffer) {
		return;
	}

	if (encoding) {
		return getStream(stream, {encoding, maxBuffer});
	}

	return getStream.buffer(stream, {maxBuffer});
};

// Retrieve result of child process: exit code, signal, error, streams (stdout/stderr/all)
const getSpawnedResult$1 = async ({stdout, stderr, all}, {encoding, buffer, maxBuffer}, processDone) => {
	const stdoutPromise = getStreamPromise(stdout, {encoding, buffer, maxBuffer});
	const stderrPromise = getStreamPromise(stderr, {encoding, buffer, maxBuffer});
	const allPromise = getStreamPromise(all, {encoding, buffer, maxBuffer: maxBuffer * 2});

	try {
		return await Promise.all([processDone, stdoutPromise, stderrPromise, allPromise]);
	} catch (error) {
		return Promise.all([
			{error, signal: error.signal, timedOut: error.timedOut},
			getBufferedData(stdout, stdoutPromise),
			getBufferedData(stderr, stderrPromise),
			getBufferedData(all, allPromise)
		]);
	}
};

const validateInputSync$1 = ({input}) => {
	if (isStream(input)) {
		throw new TypeError('The `input` option cannot be a stream in sync mode');
	}
};

var stream = {
	handleInput: handleInput$1,
	makeAllStream: makeAllStream$1,
	getSpawnedResult: getSpawnedResult$1,
	validateInputSync: validateInputSync$1
};

const nativePromisePrototype = (async () => {})().constructor.prototype;
const descriptors = ['then', 'catch', 'finally'].map(property => [
	property,
	Reflect.getOwnPropertyDescriptor(nativePromisePrototype, property)
]);

// The return value is a mixin of `childProcess` and `Promise`
const mergePromise$1 = (spawned, promise) => {
	for (const [property, descriptor] of descriptors) {
		// Starting the main `promise` is deferred to avoid consuming streams
		const value = typeof promise === 'function' ?
			(...args) => Reflect.apply(descriptor.value, promise(), args) :
			descriptor.value.bind(promise);

		Reflect.defineProperty(spawned, property, {...descriptor, value});
	}

	return spawned;
};

// Use promises instead of `child_process` events
const getSpawnedPromise$1 = spawned => {
	return new Promise((resolve, reject) => {
		spawned.on('exit', (exitCode, signal) => {
			resolve({exitCode, signal});
		});

		spawned.on('error', error => {
			reject(error);
		});

		if (spawned.stdin) {
			spawned.stdin.on('error', error => {
				reject(error);
			});
		}
	});
};

var promise = {
	mergePromise: mergePromise$1,
	getSpawnedPromise: getSpawnedPromise$1
};

const normalizeArgs = (file, args = []) => {
	if (!Array.isArray(args)) {
		return [file];
	}

	return [file, ...args];
};

const NO_ESCAPE_REGEXP = /^[\w.-]+$/;
const DOUBLE_QUOTES_REGEXP = /"/g;

const escapeArg = arg => {
	if (typeof arg !== 'string' || NO_ESCAPE_REGEXP.test(arg)) {
		return arg;
	}

	return `"${arg.replace(DOUBLE_QUOTES_REGEXP, '\\"')}"`;
};

const joinCommand$1 = (file, args) => {
	return normalizeArgs(file, args).join(' ');
};

const getEscapedCommand$1 = (file, args) => {
	return normalizeArgs(file, args).map(arg => escapeArg(arg)).join(' ');
};

const SPACES_REGEXP = / +/g;

// Handle `execa.command()`
const parseCommand$1 = command => {
	const tokens = [];
	for (const token of command.trim().split(SPACES_REGEXP)) {
		// Allow spaces to be escaped by a backslash if not meant as a delimiter
		const previousToken = tokens[tokens.length - 1];
		if (previousToken && previousToken.endsWith('\\')) {
			// Merge previous token with current one
			tokens[tokens.length - 1] = `${previousToken.slice(0, -1)} ${token}`;
		} else {
			tokens.push(token);
		}
	}

	return tokens;
};

var command = {
	joinCommand: joinCommand$1,
	getEscapedCommand: getEscapedCommand$1,
	parseCommand: parseCommand$1
};

const path = g;
const childProcess = require$$0$2;
const crossSpawn = crossSpawn$1.exports;
const stripFinalNewline = stripFinalNewline$1;
const npmRunPath = npmRunPath$1.exports;
const onetime = onetime$1.exports;
const makeError = error;
const normalizeStdio = stdio.exports;
const {spawnedKill, spawnedCancel, setupTimeout, validateTimeout, setExitHandler} = kill;
const {handleInput, getSpawnedResult, makeAllStream, validateInputSync} = stream;
const {mergePromise, getSpawnedPromise} = promise;
const {joinCommand, parseCommand, getEscapedCommand} = command;

const DEFAULT_MAX_BUFFER = 1000 * 1000 * 100;

const getEnv = ({env: envOption, extendEnv, preferLocal, localDir, execPath}) => {
	const env = extendEnv ? {...process.env, ...envOption} : envOption;

	if (preferLocal) {
		return npmRunPath.env({env, cwd: localDir, execPath});
	}

	return env;
};

const handleArguments = (file, args, options = {}) => {
	const parsed = crossSpawn._parse(file, args, options);
	file = parsed.command;
	args = parsed.args;
	options = parsed.options;

	options = {
		maxBuffer: DEFAULT_MAX_BUFFER,
		buffer: true,
		stripFinalNewline: true,
		extendEnv: true,
		preferLocal: false,
		localDir: options.cwd || process.cwd(),
		execPath: process.execPath,
		encoding: 'utf8',
		reject: true,
		cleanup: true,
		all: false,
		windowsHide: true,
		...options
	};

	options.env = getEnv(options);

	options.stdio = normalizeStdio(options);

	if (process.platform === 'win32' && path.basename(file, '.exe') === 'cmd') {
		// #116
		args.unshift('/q');
	}

	return {file, args, options, parsed};
};

const handleOutput = (options, value, error) => {
	if (typeof value !== 'string' && !Buffer.isBuffer(value)) {
		// When `execa.sync()` errors, we normalize it to '' to mimic `execa()`
		return error === undefined ? undefined : '';
	}

	if (options.stripFinalNewline) {
		return stripFinalNewline(value);
	}

	return value;
};

const execa = (file, args, options) => {
	const parsed = handleArguments(file, args, options);
	const command = joinCommand(file, args);
	const escapedCommand = getEscapedCommand(file, args);

	validateTimeout(parsed.options);

	let spawned;
	try {
		spawned = childProcess.spawn(parsed.file, parsed.args, parsed.options);
	} catch (error) {
		// Ensure the returned error is always both a promise and a child process
		const dummySpawned = new childProcess.ChildProcess();
		const errorPromise = Promise.reject(makeError({
			error,
			stdout: '',
			stderr: '',
			all: '',
			command,
			escapedCommand,
			parsed,
			timedOut: false,
			isCanceled: false,
			killed: false
		}));
		return mergePromise(dummySpawned, errorPromise);
	}

	const spawnedPromise = getSpawnedPromise(spawned);
	const timedPromise = setupTimeout(spawned, parsed.options, spawnedPromise);
	const processDone = setExitHandler(spawned, parsed.options, timedPromise);

	const context = {isCanceled: false};

	spawned.kill = spawnedKill.bind(null, spawned.kill.bind(spawned));
	spawned.cancel = spawnedCancel.bind(null, spawned, context);

	const handlePromise = async () => {
		const [{error, exitCode, signal, timedOut}, stdoutResult, stderrResult, allResult] = await getSpawnedResult(spawned, parsed.options, processDone);
		const stdout = handleOutput(parsed.options, stdoutResult);
		const stderr = handleOutput(parsed.options, stderrResult);
		const all = handleOutput(parsed.options, allResult);

		if (error || exitCode !== 0 || signal !== null) {
			const returnedError = makeError({
				error,
				exitCode,
				signal,
				stdout,
				stderr,
				all,
				command,
				escapedCommand,
				parsed,
				timedOut,
				isCanceled: context.isCanceled,
				killed: spawned.killed
			});

			if (!parsed.options.reject) {
				return returnedError;
			}

			throw returnedError;
		}

		return {
			command,
			escapedCommand,
			exitCode: 0,
			stdout,
			stderr,
			all,
			failed: false,
			timedOut: false,
			isCanceled: false,
			killed: false
		};
	};

	const handlePromiseOnce = onetime(handlePromise);

	handleInput(spawned, parsed.options.input);

	spawned.all = makeAllStream(spawned, parsed.options);

	return mergePromise(spawned, handlePromiseOnce);
};

execa$1.exports = execa;

execa$1.exports.sync = (file, args, options) => {
	const parsed = handleArguments(file, args, options);
	const command = joinCommand(file, args);
	const escapedCommand = getEscapedCommand(file, args);

	validateInputSync(parsed.options);

	let result;
	try {
		result = childProcess.spawnSync(parsed.file, parsed.args, parsed.options);
	} catch (error) {
		throw makeError({
			error,
			stdout: '',
			stderr: '',
			all: '',
			command,
			escapedCommand,
			parsed,
			timedOut: false,
			isCanceled: false,
			killed: false
		});
	}

	const stdout = handleOutput(parsed.options, result.stdout, result.error);
	const stderr = handleOutput(parsed.options, result.stderr, result.error);

	if (result.error || result.status !== 0 || result.signal !== null) {
		const error = makeError({
			stdout,
			stderr,
			error: result.error,
			signal: result.signal,
			exitCode: result.status,
			command,
			escapedCommand,
			parsed,
			timedOut: result.error && result.error.code === 'ETIMEDOUT',
			isCanceled: false,
			killed: result.signal !== null
		});

		if (!parsed.options.reject) {
			return error;
		}

		throw error;
	}

	return {
		command,
		escapedCommand,
		exitCode: 0,
		stdout,
		stderr,
		failed: false,
		timedOut: false,
		isCanceled: false,
		killed: false
	};
};

execa$1.exports.command = (command, options) => {
	const [file, ...args] = parseCommand(command);
	return execa(file, args, options);
};

execa$1.exports.commandSync = (command, options) => {
	const [file, ...args] = parseCommand(command);
	return execa.sync(file, args, options);
};

execa$1.exports.node = (scriptPath, args, options = {}) => {
	if (args && !Array.isArray(args) && typeof args === 'object') {
		options = args;
		args = [];
	}

	const stdio = normalizeStdio.node(options);
	const defaultExecArgv = process.execArgv.filter(arg => !arg.startsWith('--inspect'));

	const {
		nodePath = process.execPath,
		nodeOptions = defaultExecArgv
	} = options;

	return execa(
		nodePath,
		[
			...nodeOptions,
			scriptPath,
			...(Array.isArray(args) ? args : [])
		],
		{
			...options,
			stdin: undefined,
			stdout: undefined,
			stderr: undefined,
			stdio,
			shell: false
		}
	);
};

// src/detect.ts
var AGENTS = ["pnpm", "yarn", "npm", "pnpm@6", "yarn@berry", "bun"];
var LOCKS = {
  "bun.lockb": "bun",
  "pnpm-lock.yaml": "pnpm",
  "yarn.lock": "yarn",
  "package-lock.json": "npm",
  "npm-shrinkwrap.json": "npm"
};
async function detectPackageManager(cwd = process.cwd()) {
  let agent = null;
  const lockPath = await findUp(Object.keys(LOCKS), { cwd });
  let packageJsonPath;
  if (lockPath)
    packageJsonPath = g.resolve(lockPath, "../package.json");
  else
    packageJsonPath = await findUp("package.json", { cwd });
  if (packageJsonPath && require$$0.existsSync(packageJsonPath)) {
    try {
      const pkg = JSON.parse(require$$0.readFileSync(packageJsonPath, "utf8"));
      if (typeof pkg.packageManager === "string") {
        const [name, version] = pkg.packageManager.split("@");
        if (name === "yarn" && parseInt(version) > 1)
          agent = "yarn@berry";
        else if (name === "pnpm" && parseInt(version) < 7)
          agent = "pnpm@6";
        else if (name in AGENTS)
          agent = name;
        else
          console.warn("[ni] Unknown packageManager:", pkg.packageManager);
      }
    } catch {
    }
  }
  if (!agent && lockPath)
    agent = LOCKS[g.basename(lockPath)];
  return agent;
}
async function installPackage(names, options = {}) {
  const detectedAgent = options.packageManager || await detectPackageManager(options.cwd) || "npm";
  const [agent] = detectedAgent.split("@");
  if (!Array.isArray(names))
    names = [names];
  const args = options.additionalArgs || [];
  if (options.preferOffline) {
    if (detectedAgent === "yarn@berry")
      args.unshift("--cached");
    else
      args.unshift("--prefer-offline");
  }
  return execa$1.exports(
    agent,
    [
      agent === "yarn" ? "add" : "install",
      options.dev ? "-D" : "",
      ...args,
      ...names
    ].filter(Boolean),
    {
      stdio: options.silent ? "ignore" : "inherit",
      cwd: options.cwd
    }
  );
}

export { detectPackageManager, installPackage };