dragonbones-runtime/.cache/egret-core-5.1.0/tools/lib/os-local.js

the tools to build dragonbones file for diffrent framework

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/******/ ([
/* 0 */
/***/ (function(module, exports) {

module.exports = require("fs");

/***/ }),
/* 1 */
/***/ (function(module, exports) {

module.exports = require("path");

/***/ }),
/* 2 */
/***/ (function(module, exports) {

module.exports = require("child_process");

/***/ }),
/* 3 */
/***/ (function(module, exports) {

module.exports = require("util");

/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var path = __webpack_require__(1);
var which = __webpack_require__(11);
var LRU = __webpack_require__(5);

var commandCache = new LRU({ max: 50, maxAge: 30 * 1000 });  // Cache just for 30sec

function resolveCommand(command, noExtension) {
    var resolved;

    noExtension = !!noExtension;
    resolved = commandCache.get(command + '!' + noExtension);

    // Check if its resolved in the cache
    if (commandCache.has(command)) {
        return commandCache.get(command);
    }

    try {
        resolved = !noExtension ?
            which.sync(command) :
            which.sync(command, { pathExt: path.delimiter + (process.env.PATHEXT || '') });
    } catch (e) { /* empty */ }

    commandCache.set(command + '!' + noExtension, resolved);

    return resolved;
}

module.exports = resolveCommand;


/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


module.exports = LRUCache

// This will be a proper iterable 'Map' in engines that support it,
// or a fakey-fake PseudoMap in older versions.
var Map = __webpack_require__(15)
var util = __webpack_require__(3)

// A linked list to keep track of recently-used-ness
var Yallist = __webpack_require__(17)

// use symbols if possible, otherwise just _props
var hasSymbol = typeof Symbol === 'function'
var makeSymbol
if (hasSymbol) {
  makeSymbol = function (key) {
    return Symbol.for(key)
  }
} else {
  makeSymbol = function (key) {
    return '_' + key
  }
}

var MAX = makeSymbol('max')
var LENGTH = makeSymbol('length')
var LENGTH_CALCULATOR = makeSymbol('lengthCalculator')
var ALLOW_STALE = makeSymbol('allowStale')
var MAX_AGE = makeSymbol('maxAge')
var DISPOSE = makeSymbol('dispose')
var NO_DISPOSE_ON_SET = makeSymbol('noDisposeOnSet')
var LRU_LIST = makeSymbol('lruList')
var CACHE = makeSymbol('cache')

function naiveLength () { return 1 }

// lruList is a yallist where the head is the youngest
// item, and the tail is the oldest.  the list contains the Hit
// objects as the entries.
// Each Hit object has a reference to its Yallist.Node.  This
// never changes.
//
// cache is a Map (or PseudoMap) that matches the keys to
// the Yallist.Node object.
function LRUCache (options) {
  if (!(this instanceof LRUCache)) {
    return new LRUCache(options)
  }

  if (typeof options === 'number') {
    options = { max: options }
  }

  if (!options) {
    options = {}
  }

  var max = this[MAX] = options.max
  // Kind of weird to have a default max of Infinity, but oh well.
  if (!max ||
      !(typeof max === 'number') ||
      max <= 0) {
    this[MAX] = Infinity
  }

  var lc = options.length || naiveLength
  if (typeof lc !== 'function') {
    lc = naiveLength
  }
  this[LENGTH_CALCULATOR] = lc

  this[ALLOW_STALE] = options.stale || false
  this[MAX_AGE] = options.maxAge || 0
  this[DISPOSE] = options.dispose
  this[NO_DISPOSE_ON_SET] = options.noDisposeOnSet || false
  this.reset()
}

// resize the cache when the max changes.
Object.defineProperty(LRUCache.prototype, 'max', {
  set: function (mL) {
    if (!mL || !(typeof mL === 'number') || mL <= 0) {
      mL = Infinity
    }
    this[MAX] = mL
    trim(this)
  },
  get: function () {
    return this[MAX]
  },
  enumerable: true
})

Object.defineProperty(LRUCache.prototype, 'allowStale', {
  set: function (allowStale) {
    this[ALLOW_STALE] = !!allowStale
  },
  get: function () {
    return this[ALLOW_STALE]
  },
  enumerable: true
})

Object.defineProperty(LRUCache.prototype, 'maxAge', {
  set: function (mA) {
    if (!mA || !(typeof mA === 'number') || mA < 0) {
      mA = 0
    }
    this[MAX_AGE] = mA
    trim(this)
  },
  get: function () {
    return this[MAX_AGE]
  },
  enumerable: true
})

// resize the cache when the lengthCalculator changes.
Object.defineProperty(LRUCache.prototype, 'lengthCalculator', {
  set: function (lC) {
    if (typeof lC !== 'function') {
      lC = naiveLength
    }
    if (lC !== this[LENGTH_CALCULATOR]) {
      this[LENGTH_CALCULATOR] = lC
      this[LENGTH] = 0
      this[LRU_LIST].forEach(function (hit) {
        hit.length = this[LENGTH_CALCULATOR](hit.value, hit.key)
        this[LENGTH] += hit.length
      }, this)
    }
    trim(this)
  },
  get: function () { return this[LENGTH_CALCULATOR] },
  enumerable: true
})

Object.defineProperty(LRUCache.prototype, 'length', {
  get: function () { return this[LENGTH] },
  enumerable: true
})

Object.defineProperty(LRUCache.prototype, 'itemCount', {
  get: function () { return this[LRU_LIST].length },
  enumerable: true
})

LRUCache.prototype.rforEach = function (fn, thisp) {
  thisp = thisp || this
  for (var walker = this[LRU_LIST].tail; walker !== null;) {
    var prev = walker.prev
    forEachStep(this, fn, walker, thisp)
    walker = prev
  }
}

function forEachStep (self, fn, node, thisp) {
  var hit = node.value
  if (isStale(self, hit)) {
    del(self, node)
    if (!self[ALLOW_STALE]) {
      hit = undefined
    }
  }
  if (hit) {
    fn.call(thisp, hit.value, hit.key, self)
  }
}

LRUCache.prototype.forEach = function (fn, thisp) {
  thisp = thisp || this
  for (var walker = this[LRU_LIST].head; walker !== null;) {
    var next = walker.next
    forEachStep(this, fn, walker, thisp)
    walker = next
  }
}

LRUCache.prototype.keys = function () {
  return this[LRU_LIST].toArray().map(function (k) {
    return k.key
  }, this)
}

LRUCache.prototype.values = function () {
  return this[LRU_LIST].toArray().map(function (k) {
    return k.value
  }, this)
}

LRUCache.prototype.reset = function () {
  if (this[DISPOSE] &&
      this[LRU_LIST] &&
      this[LRU_LIST].length) {
    this[LRU_LIST].forEach(function (hit) {
      this[DISPOSE](hit.key, hit.value)
    }, this)
  }

  this[CACHE] = new Map() // hash of items by key
  this[LRU_LIST] = new Yallist() // list of items in order of use recency
  this[LENGTH] = 0 // length of items in the list
}

LRUCache.prototype.dump = function () {
  return this[LRU_LIST].map(function (hit) {
    if (!isStale(this, hit)) {
      return {
        k: hit.key,
        v: hit.value,
        e: hit.now + (hit.maxAge || 0)
      }
    }
  }, this).toArray().filter(function (h) {
    return h
  })
}

LRUCache.prototype.dumpLru = function () {
  return this[LRU_LIST]
}

LRUCache.prototype.inspect = function (n, opts) {
  var str = 'LRUCache {'
  var extras = false

  var as = this[ALLOW_STALE]
  if (as) {
    str += '\n  allowStale: true'
    extras = true
  }

  var max = this[MAX]
  if (max && max !== Infinity) {
    if (extras) {
      str += ','
    }
    str += '\n  max: ' + util.inspect(max, opts)
    extras = true
  }

  var maxAge = this[MAX_AGE]
  if (maxAge) {
    if (extras) {
      str += ','
    }
    str += '\n  maxAge: ' + util.inspect(maxAge, opts)
    extras = true
  }

  var lc = this[LENGTH_CALCULATOR]
  if (lc && lc !== naiveLength) {
    if (extras) {
      str += ','
    }
    str += '\n  length: ' + util.inspect(this[LENGTH], opts)
    extras = true
  }

  var didFirst = false
  this[LRU_LIST].forEach(function (item) {
    if (didFirst) {
      str += ',\n  '
    } else {
      if (extras) {
        str += ',\n'
      }
      didFirst = true
      str += '\n  '
    }
    var key = util.inspect(item.key).split('\n').join('\n  ')
    var val = { value: item.value }
    if (item.maxAge !== maxAge) {
      val.maxAge = item.maxAge
    }
    if (lc !== naiveLength) {
      val.length = item.length
    }
    if (isStale(this, item)) {
      val.stale = true
    }

    val = util.inspect(val, opts).split('\n').join('\n  ')
    str += key + ' => ' + val
  })

  if (didFirst || extras) {
    str += '\n'
  }
  str += '}'

  return str
}

LRUCache.prototype.set = function (key, value, maxAge) {
  maxAge = maxAge || this[MAX_AGE]

  var now = maxAge ? Date.now() : 0
  var len = this[LENGTH_CALCULATOR](value, key)

  if (this[CACHE].has(key)) {
    if (len > this[MAX]) {
      del(this, this[CACHE].get(key))
      return false
    }

    var node = this[CACHE].get(key)
    var item = node.value

    // dispose of the old one before overwriting
    // split out into 2 ifs for better coverage tracking
    if (this[DISPOSE]) {
      if (!this[NO_DISPOSE_ON_SET]) {
        this[DISPOSE](key, item.value)
      }
    }

    item.now = now
    item.maxAge = maxAge
    item.value = value
    this[LENGTH] += len - item.length
    item.length = len
    this.get(key)
    trim(this)
    return true
  }

  var hit = new Entry(key, value, len, now, maxAge)

  // oversized objects fall out of cache automatically.
  if (hit.length > this[MAX]) {
    if (this[DISPOSE]) {
      this[DISPOSE](key, value)
    }
    return false
  }

  this[LENGTH] += hit.length
  this[LRU_LIST].unshift(hit)
  this[CACHE].set(key, this[LRU_LIST].head)
  trim(this)
  return true
}

LRUCache.prototype.has = function (key) {
  if (!this[CACHE].has(key)) return false
  var hit = this[CACHE].get(key).value
  if (isStale(this, hit)) {
    return false
  }
  return true
}

LRUCache.prototype.get = function (key) {
  return get(this, key, true)
}

LRUCache.prototype.peek = function (key) {
  return get(this, key, false)
}

LRUCache.prototype.pop = function () {
  var node = this[LRU_LIST].tail
  if (!node) return null
  del(this, node)
  return node.value
}

LRUCache.prototype.del = function (key) {
  del(this, this[CACHE].get(key))
}

LRUCache.prototype.load = function (arr) {
  // reset the cache
  this.reset()

  var now = Date.now()
  // A previous serialized cache has the most recent items first
  for (var l = arr.length - 1; l >= 0; l--) {
    var hit = arr[l]
    var expiresAt = hit.e || 0
    if (expiresAt === 0) {
      // the item was created without expiration in a non aged cache
      this.set(hit.k, hit.v)
    } else {
      var maxAge = expiresAt - now
      // dont add already expired items
      if (maxAge > 0) {
        this.set(hit.k, hit.v, maxAge)
      }
    }
  }
}

LRUCache.prototype.prune = function () {
  var self = this
  this[CACHE].forEach(function (value, key) {
    get(self, key, false)
  })
}

function get (self, key, doUse) {
  var node = self[CACHE].get(key)
  if (node) {
    var hit = node.value
    if (isStale(self, hit)) {
      del(self, node)
      if (!self[ALLOW_STALE]) hit = undefined
    } else {
      if (doUse) {
        self[LRU_LIST].unshiftNode(node)
      }
    }
    if (hit) hit = hit.value
  }
  return hit
}

function isStale (self, hit) {
  if (!hit || (!hit.maxAge && !self[MAX_AGE])) {
    return false
  }
  var stale = false
  var diff = Date.now() - hit.now
  if (hit.maxAge) {
    stale = diff > hit.maxAge
  } else {
    stale = self[MAX_AGE] && (diff > self[MAX_AGE])
  }
  return stale
}

function trim (self) {
  if (self[LENGTH] > self[MAX]) {
    for (var walker = self[LRU_LIST].tail;
         self[LENGTH] > self[MAX] && walker !== null;) {
      // We know that we're about to delete this one, and also
      // what the next least recently used key will be, so just
      // go ahead and set it now.
      var prev = walker.prev
      del(self, walker)
      walker = prev
    }
  }
}

function del (self, node) {
  if (node) {
    var hit = node.value
    if (self[DISPOSE]) {
      self[DISPOSE](hit.key, hit.value)
    }
    self[LENGTH] -= hit.length
    self[CACHE].delete(hit.key)
    self[LRU_LIST].removeNode(node)
  }
}

// classy, since V8 prefers predictable objects.
function Entry (key, value, length, now, maxAge) {
  this.key = key
  this.value = value
  this.length = length
  this.now = now
  this.maxAge = maxAge || 0
}


/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


function escapeArgument(arg, quote) {
    // Convert to string
    arg = '' + arg;

    // If we are not going to quote the argument,
    // escape shell metacharacters, including double and single quotes:
    if (!quote) {
        arg = arg.replace(/([()%!^<>&|;,"'\s])/g, '^$1');
    } else {
        // Sequence of backslashes followed by a double quote:
        // double up all the backslashes and escape the double quote
        arg = arg.replace(/(\\*)"/g, '$1$1\\"');

        // Sequence of backslashes followed by the end of the string
        // (which will become a double quote later):
        // double up all the backslashes
        arg = arg.replace(/(\\*)$/, '$1$1');

        // All other backslashes occur literally

        // Quote the whole thing:
        arg = '"' + arg + '"';
    }

    return arg;
}

module.exports = escapeArgument;


/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

const execa = __webpack_require__(8);
const lcid = __webpack_require__(38);
const mem = __webpack_require__(41);

const defaultOpts = {spawn: true};
const defaultLocale = 'en_US';

function getEnvLocale(env) {
	env = env || process.env;
	return env.LC_ALL || env.LC_MESSAGES || env.LANG || env.LANGUAGE;
}

function parseLocale(x) {
	const env = x.split('\n').reduce((env, def) => {
		def = def.split('=');
		env[def[0]] = def[1].replace(/^"|"$/g, '');
		return env;
	}, {});
	return getEnvLocale(env);
}

function getLocale(str) {
	return (str && str.replace(/[.:].*/, ''));
}

function getAppleLocale() {
	return execa.stdout('defaults', ['read', '-g', 'AppleLocale']);
}

function getAppleLocaleSync() {
	return execa.sync('defaults', ['read', '-g', 'AppleLocale']).stdout;
}

function getUnixLocale() {
	if (process.platform === 'darwin') {
		return getAppleLocale();
	}

	return execa.stdout('locale')
		.then(stdout => getLocale(parseLocale(stdout)));
}

function getUnixLocaleSync() {
	if (process.platform === 'darwin') {
		return getAppleLocaleSync();
	}

	return getLocale(parseLocale(execa.sync('locale').stdout));
}

function getWinLocale() {
	return execa.stdout('wmic', ['os', 'get', 'locale'])
		.then(stdout => {
			const lcidCode = parseInt(stdout.replace('Locale', ''), 16);
			return lcid.from(lcidCode);
		});
}

function getWinLocaleSync() {
	const stdout = execa.sync('wmic', ['os', 'get', 'locale']).stdout;
	const lcidCode = parseInt(stdout.replace('Locale', ''), 16);
	return lcid.from(lcidCode);
}

// module.exports = mem(opts => {
// 	opts = opts || defaultOpts;
// 	const envLocale = getEnvLocale();
// 	let thenable;

// 	if (envLocale || opts.spawn === false) {
// 		thenable = Promise.resolve(getLocale(envLocale));
// 	} else if (process.platform === 'win32') {
// 		thenable = getWinLocale();
// 	} else {
// 		thenable = getUnixLocale();
// 	}

// 	return thenable.then(locale => locale || defaultLocale)
// 		.catch(() => defaultLocale);
// });

module.exports = mem(opts => {
	opts = opts || defaultOpts;
	const envLocale = getEnvLocale();
	let res;

	if (envLocale || opts.spawn === false) {
		res = getLocale(envLocale);
	} else {
		try {
			if (process.platform === 'win32') {
				res = getWinLocaleSync();
			} else {
				res = getUnixLocaleSync();
			}
		} catch (err) {}
	}

	return res || defaultLocale;
});


/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

const childProcess = __webpack_require__(2);
const util = __webpack_require__(3);
const crossSpawn = __webpack_require__(9);
const stripEof = __webpack_require__(24);
const npmRunPath = __webpack_require__(25);
const isStream = __webpack_require__(27);
const _getStream = __webpack_require__(28);
const pFinally = __webpack_require__(31);
const onExit = __webpack_require__(32);
const errname = __webpack_require__(36);
const stdio = __webpack_require__(37);

const TEN_MEGABYTES = 1000 * 1000 * 10;

function handleArgs(cmd, args, opts) {
	let parsed;

	if (opts && opts.env && opts.extendEnv !== false) {
		opts.env = Object.assign({}, process.env, opts.env);
	}

	if (opts && opts.__winShell === true) {
		delete opts.__winShell;
		parsed = {
			command: cmd,
			args,
			options: opts,
			file: cmd,
			original: cmd
		};
	} else {
		parsed = crossSpawn._parse(cmd, args, opts);
	}

	opts = Object.assign({
		maxBuffer: TEN_MEGABYTES,
		stripEof: true,
		preferLocal: true,
		localDir: parsed.options.cwd || process.cwd(),
		encoding: 'utf8',
		reject: true,
		cleanup: true
	}, parsed.options);

	opts.stdio = stdio(opts);

	if (opts.preferLocal) {
		opts.env = npmRunPath.env(Object.assign({}, opts, {cwd: opts.localDir}));
	}

	return {
		cmd: parsed.command,
		args: parsed.args,
		opts,
		parsed
	};
}

function handleInput(spawned, opts) {
	const input = opts.input;

	if (input === null || input === undefined) {
		return;
	}

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

function handleOutput(opts, val) {
	if (val && opts.stripEof) {
		val = stripEof(val);
	}

	return val;
}

function handleShell(fn, cmd, opts) {
	let file = '/bin/sh';
	let args = ['-c', cmd];

	opts = Object.assign({}, opts);

	if (process.platform === 'win32') {
		opts.__winShell = true;
		file = process.env.comspec || 'cmd.exe';
		args = ['/s', '/c', `"${cmd}"`];
		opts.windowsVerbatimArguments = true;
	}

	if (opts.shell) {
		file = opts.shell;
		delete opts.shell;
	}

	return fn(file, args, opts);
}

function getStream(process, stream, encoding, maxBuffer) {
	if (!process[stream]) {
		return null;
	}

	let ret;

	if (encoding) {
		ret = _getStream(process[stream], {
			encoding,
			maxBuffer
		});
	} else {
		ret = _getStream.buffer(process[stream], {maxBuffer});
	}

	return ret.catch(err => {
		err.stream = stream;
		err.message = `${stream} ${err.message}`;
		throw err;
	});
}

module.exports = (cmd, args, opts) => {
	let joinedCmd = cmd;

	if (Array.isArray(args) && args.length > 0) {
		joinedCmd += ' ' + args.join(' ');
	}

	const parsed = handleArgs(cmd, args, opts);
	const encoding = parsed.opts.encoding;
	const maxBuffer = parsed.opts.maxBuffer;

	let spawned;
	try {
		spawned = childProcess.spawn(parsed.cmd, parsed.args, parsed.opts);
	} catch (err) {
		return Promise.reject(err);
	}

	let removeExitHandler;
	if (parsed.opts.cleanup) {
		removeExitHandler = onExit(() => {
			spawned.kill();
		});
	}

	let timeoutId = null;
	let timedOut = false;

	const cleanupTimeout = () => {
		if (timeoutId) {
			clearTimeout(timeoutId);
			timeoutId = null;
		}
	};

	if (parsed.opts.timeout > 0) {
		timeoutId = setTimeout(() => {
			timeoutId = null;
			timedOut = true;
			spawned.kill(parsed.opts.killSignal);
		}, parsed.opts.timeout);
	}

	const processDone = new Promise(resolve => {
		spawned.on('exit', (code, signal) => {
			cleanupTimeout();
			resolve({code, signal});
		});

		spawned.on('error', err => {
			cleanupTimeout();
			resolve({err});
		});

		if (spawned.stdin) {
			spawned.stdin.on('error', err => {
				cleanupTimeout();
				resolve({err});
			});
		}
	});

	function destroy() {
		if (spawned.stdout) {
			spawned.stdout.destroy();
		}

		if (spawned.stderr) {
			spawned.stderr.destroy();
		}
	}

	const promise = pFinally(Promise.all([
		processDone,
		getStream(spawned, 'stdout', encoding, maxBuffer),
		getStream(spawned, 'stderr', encoding, maxBuffer)
	]).then(arr => {
		const result = arr[0];
		const stdout = arr[1];
		const stderr = arr[2];

		let err = result.err;
		const code = result.code;
		const signal = result.signal;

		if (removeExitHandler) {
			removeExitHandler();
		}

		if (err || code !== 0 || signal !== null) {
			if (!err) {
				let output = '';

				if (Array.isArray(parsed.opts.stdio)) {
					if (parsed.opts.stdio[2] !== 'inherit') {
						output += output.length > 0 ? stderr : `\n${stderr}`;
					}

					if (parsed.opts.stdio[1] !== 'inherit') {
						output += `\n${stdout}`;
					}
				} else if (parsed.opts.stdio !== 'inherit') {
					output = `\n${stderr}${stdout}`;
				}

				err = new Error(`Command failed: ${joinedCmd}${output}`);
				err.code = code < 0 ? errname(code) : code;
			}

			// TODO: missing some timeout logic for killed
			// https://github.com/nodejs/node/blob/master/lib/child_process.js#L203
			// err.killed = spawned.killed || killed;
			err.killed = err.killed || spawned.killed;

			err.stdout = stdout;
			err.stderr = stderr;
			err.failed = true;
			err.signal = signal || null;
			err.cmd = joinedCmd;
			err.timedOut = timedOut;

			if (!parsed.opts.reject) {
				return err;
			}

			throw err;
		}

		return {
			stdout: handleOutput(parsed.opts, stdout),
			stderr: handleOutput(parsed.opts, stderr),
			code: 0,
			failed: false,
			killed: false,
			signal: null,
			cmd: joinedCmd,
			timedOut: false
		};
	}), destroy);

	crossSpawn._enoent.hookChildProcess(spawned, parsed.parsed);

	handleInput(spawned, parsed.opts);

	spawned.then = promise.then.bind(promise);
	spawned.catch = promise.catch.bind(promise);

	return spawned;
};

module.exports.stdout = function () {
	// TODO: set `stderr: 'ignore'` when that option is implemented
	return module.exports.apply(null, arguments).then(x => x.stdout);
};

module.exports.stderr = function () {
	// TODO: set `stdout: 'ignore'` when that option is implemented
	return module.exports.apply(null, arguments).then(x => x.stderr);
};

module.exports.shell = (cmd, opts) => handleShell(module.exports, cmd, opts);

module.exports.sync = (cmd, args, opts) => {
	const parsed = handleArgs(cmd, args, opts);

	if (isStream(parsed.opts.input)) {
		throw new TypeError('The `input` option cannot be a stream in sync mode');
	}

	const result = childProcess.spawnSync(parsed.cmd, parsed.args, parsed.opts);

	if (result.error || result.status !== 0) {
		throw (result.error || new Error(result.stderr === '' ? result.stdout : result.stderr));
	}

	result.stdout = handleOutput(parsed.opts, result.stdout);
	result.stderr = handleOutput(parsed.opts, result.stderr);

	return result;
};

module.exports.shellSync = (cmd, opts) => handleShell(module.exports.sync, cmd, opts);

module.exports.spawn = util.deprecate(module.exports, 'execa.spawn() is deprecated. Use execa() instead.');


/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var cp = __webpack_require__(2);
var parse = __webpack_require__(10);
var enoent = __webpack_require__(23);

var cpSpawnSync = cp.spawnSync;

function spawn(command, args, options) {
    var parsed;
    var spawned;

    // Parse the arguments
    parsed = parse(command, args, options);

    // Spawn the child process
    spawned = cp.spawn(parsed.command, parsed.args, parsed.options);

    // Hook into child process "exit" event to emit an error if the command
    // does not exists, see: https://github.com/IndigoUnited/node-cross-spawn/issues/16
    enoent.hookChildProcess(spawned, parsed);

    return spawned;
}

function spawnSync(command, args, options) {
    var parsed;
    var result;

    if (!cpSpawnSync) {
        try {
            cpSpawnSync = __webpack_require__(!(function webpackMissingModule() { var e = new Error("Cannot find module \"spawn-sync\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()));  // eslint-disable-line global-require
        } catch (ex) {
            throw new Error(
                'In order to use spawnSync on node 0.10 or older, you must ' +
                'install spawn-sync:\n\n' +
                '  npm install spawn-sync --save'
            );
        }
    }

    // Parse the arguments
    parsed = parse(command, args, options);

    // Spawn the child process
    result = cpSpawnSync(parsed.command, parsed.args, parsed.options);

    // Analyze if the command does not exists, see: https://github.com/IndigoUnited/node-cross-spawn/issues/16
    result.error = result.error || enoent.verifyENOENTSync(result.status, parsed);

    return result;
}

module.exports = spawn;
module.exports.spawn = spawn;
module.exports.sync = spawnSync;

module.exports._parse = parse;
module.exports._enoent = enoent;


/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var resolveCommand = __webpack_require__(4);
var hasEmptyArgumentBug = __webpack_require__(18);
var escapeArgument = __webpack_require__(6);
var escapeCommand = __webpack_require__(19);
var readShebang = __webpack_require__(20);

var isWin = process.platform === 'win32';
var skipShellRegExp = /\.(?:com|exe)$/i;

// Supported in Node >= 6 and >= 4.8
var supportsShellOption = parseInt(process.version.substr(1).split('.')[0], 10) >= 6 ||
 parseInt(process.version.substr(1).split('.')[0], 10) === 4 && parseInt(process.version.substr(1).split('.')[1], 10) >= 8;

function parseNonShell(parsed) {
    var shebang;
    var needsShell;
    var applyQuotes;

    if (!isWin) {
        return parsed;
    }

    // Detect & add support for shebangs
    parsed.file = resolveCommand(parsed.command);
    parsed.file = parsed.file || resolveCommand(parsed.command, true);
    shebang = parsed.file && readShebang(parsed.file);

    if (shebang) {
        parsed.args.unshift(parsed.file);
        parsed.command = shebang;
        needsShell = hasEmptyArgumentBug || !skipShellRegExp.test(resolveCommand(shebang) || resolveCommand(shebang, true));
    } else {
        needsShell = hasEmptyArgumentBug || !skipShellRegExp.test(parsed.file);
    }

    // If a shell is required, use cmd.exe and take care of escaping everything correctly
    if (needsShell) {
        // Escape command & arguments
        applyQuotes = (parsed.command !== 'echo');  // Do not quote arguments for the special "echo" command
        parsed.command = escapeCommand(parsed.command);
        parsed.args = parsed.args.map(function (arg) {
            return escapeArgument(arg, applyQuotes);
        });

        // Make use of cmd.exe
        parsed.args = ['/d', '/s', '/c', '"' + parsed.command + (parsed.args.length ? ' ' + parsed.args.join(' ') : '') + '"'];
        parsed.command = process.env.comspec || 'cmd.exe';
        parsed.options.windowsVerbatimArguments = true;  // Tell node's spawn that the arguments are already escaped
    }

    return parsed;
}

function parseShell(parsed) {
    var shellCommand;

    // If node supports the shell option, there's no need to mimic its behavior
    if (supportsShellOption) {
        return parsed;
    }

    // Mimic node shell option, see: https://github.com/nodejs/node/blob/b9f6a2dc059a1062776133f3d4fd848c4da7d150/lib/child_process.js#L335
    shellCommand = [parsed.command].concat(parsed.args).join(' ');

    if (isWin) {
        parsed.command = typeof parsed.options.shell === 'string' ? parsed.options.shell : process.env.comspec || 'cmd.exe';
        parsed.args = ['/d', '/s', '/c', '"' + shellCommand + '"'];
        parsed.options.windowsVerbatimArguments = true;  // Tell node's spawn that the arguments are already escaped
    } else {
        if (typeof parsed.options.shell === 'string') {
            parsed.command = parsed.options.shell;
        } else if (process.platform === 'android') {
            parsed.command = '/system/bin/sh';
        } else {
            parsed.command = '/bin/sh';
        }

        parsed.args = ['-c', shellCommand];
    }

    return parsed;
}

// ------------------------------------------------

function parse(command, args, options) {
    var parsed;

    // Normalize arguments, similar to nodejs
    if (args && !Array.isArray(args)) {
        options = args;
        args = null;
    }

    args = args ? args.slice(0) : [];  // Clone array to avoid changing the original
    options = options || {};

    // Build our parsed object
    parsed = {
        command: command,
        args: args,
        options: options,
        file: undefined,
        original: command,
    };

    // Delegate further parsing to shell or non-shell
    return options.shell ? parseShell(parsed) : parseNonShell(parsed);
}

module.exports = parse;


/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = which
which.sync = whichSync

var isWindows = process.platform === 'win32' ||
    process.env.OSTYPE === 'cygwin' ||
    process.env.OSTYPE === 'msys'

var path = __webpack_require__(1)
var COLON = isWindows ? ';' : ':'
var isexe = __webpack_require__(12)

function getNotFoundError (cmd) {
  var er = new Error('not found: ' + cmd)
  er.code = 'ENOENT'

  return er
}

function getPathInfo (cmd, opt) {
  var colon = opt.colon || COLON
  var pathEnv = opt.path || process.env.PATH || ''
  var pathExt = ['']

  pathEnv = pathEnv.split(colon)

  var pathExtExe = ''
  if (isWindows) {
    pathEnv.unshift(process.cwd())
    pathExtExe = (opt.pathExt || process.env.PATHEXT || '.EXE;.CMD;.BAT;.COM')
    pathExt = pathExtExe.split(colon)


    // Always test the cmd itself first.  isexe will check to make sure
    // it's found in the pathExt set.
    if (cmd.indexOf('.') !== -1 && pathExt[0] !== '')
      pathExt.unshift('')
  }

  // If it has a slash, then we don't bother searching the pathenv.
  // just check the file itself, and that's it.
  if (cmd.match(/\//) || isWindows && cmd.match(/\\/))
    pathEnv = ['']

  return {
    env: pathEnv,
    ext: pathExt,
    extExe: pathExtExe
  }
}

function which (cmd, opt, cb) {
  if (typeof opt === 'function') {
    cb = opt
    opt = {}
  }

  var info = getPathInfo(cmd, opt)
  var pathEnv = info.env
  var pathExt = info.ext
  var pathExtExe = info.extExe
  var found = []

  ;(function F (i, l) {
    if (i === l) {
      if (opt.all && found.length)
        return cb(null, found)
      else
        return cb(getNotFoundError(cmd))
    }

    var pathPart = pathEnv[i]
    if (pathPart.charAt(0) === '"' && pathPart.slice(-1) === '"')
      pathPart = pathPart.slice(1, -1)

    var p = path.join(pathPart, cmd)
    if (!pathPart && (/^\.[\\\/]/).test(cmd)) {
      p = cmd.slice(0, 2) + p
    }
    ;(function E (ii, ll) {
      if (ii === ll) return F(i + 1, l)
      var ext = pathExt[ii]
      isexe(p + ext, { pathExt: pathExtExe }, function (er, is) {
        if (!er && is) {
          if (opt.all)
            found.push(p + ext)
          else
            return cb(null, p + ext)
        }
        return E(ii + 1, ll)
      })
    })(0, pathExt.length)
  })(0, pathEnv.length)
}

function whichSync (cmd, opt) {
  opt = opt || {}

  var info = getPathInfo(cmd, opt)
  var pathEnv = info.env
  var pathExt = info.ext
  var pathExtExe = info.extExe
  var found = []

  for (var i = 0, l = pathEnv.length; i < l; i ++) {
    var pathPart = pathEnv[i]
    if (pathPart.charAt(0) === '"' && pathPart.slice(-1) === '"')
      pathPart = pathPart.slice(1, -1)

    var p = path.join(pathPart, cmd)
    if (!pathPart && /^\.[\\\/]/.test(cmd)) {
      p = cmd.slice(0, 2) + p
    }
    for (var j = 0, ll = pathExt.length; j < ll; j ++) {
      var cur = p + pathExt[j]
      var is
      try {
        is = isexe.sync(cur, { pathExt: pathExtExe })
        if (is) {
          if (opt.all)
            found.push(cur)
          else
            return cur
        }
      } catch (ex) {}
    }
  }

  if (opt.all && found.length)
    return found

  if (opt.nothrow)
    return null

  throw getNotFoundError(cmd)
}


/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {

var fs = __webpack_require__(0)
var core
if (process.platform === 'win32' || global.TESTING_WINDOWS) {
  core = __webpack_require__(13)
} else {
  core = __webpack_require__(14)
}

module.exports = isexe
isexe.sync = sync

function isexe (path, options, cb) {
  if (typeof options === 'function') {
    cb = options
    options = {}
  }

  if (!cb) {
    if (typeof Promise !== 'function') {
      throw new TypeError('callback not provided')
    }

    return new Promise(function (resolve, reject) {
      isexe(path, options || {}, function (er, is) {
        if (er) {
          reject(er)
        } else {
          resolve(is)
        }
      })
    })
  }

  core(path, options || {}, function (er, is) {
    // ignore EACCES because that just means we aren't allowed to run it
    if (er) {
      if (er.code === 'EACCES' || options && options.ignoreErrors) {
        er = null
        is = false
      }
    }
    cb(er, is)
  })
}

function sync (path, options) {
  // my kingdom for a filtered catch
  try {
    return core.sync(path, options || {})
  } catch (er) {
    if (options && options.ignoreErrors || er.code === 'EACCES') {
      return false
    } else {
      throw er
    }
  }
}


/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = isexe
isexe.sync = sync

var fs = __webpack_require__(0)

function checkPathExt (path, options) {
  var pathext = options.pathExt !== undefined ?
    options.pathExt : process.env.PATHEXT

  if (!pathext) {
    return true
  }

  pathext = pathext.split(';')
  if (pathext.indexOf('') !== -1) {
    return true
  }
  for (var i = 0; i < pathext.length; i++) {
    var p = pathext[i].toLowerCase()
    if (p && path.substr(-p.length).toLowerCase() === p) {
      return true
    }
  }
  return false
}

function checkStat (stat, path, options) {
  if (!stat.isSymbolicLink() && !stat.isFile()) {
    return false
  }
  return checkPathExt(path, options)
}

function isexe (path, options, cb) {
  fs.stat(path, function (er, stat) {
    cb(er, er ? false : checkStat(stat, path, options))
  })
}

function sync (path, options) {
  return checkStat(fs.statSync(path), path, options)
}


/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = isexe
isexe.sync = sync

var fs = __webpack_require__(0)

function isexe (path, options, cb) {
  fs.stat(path, function (er, stat) {
    cb(er, er ? false : checkStat(stat, options))
  })
}

function sync (path, options) {
  return checkStat(fs.statSync(path), options)
}

function checkStat (stat, options) {
  return stat.isFile() && checkMode(stat, options)
}

function checkMode (stat, options) {
  var mod = stat.mode
  var uid = stat.uid
  var gid = stat.gid

  var myUid = options.uid !== undefined ?
    options.uid : process.getuid && process.getuid()
  var myGid = options.gid !== undefined ?
    options.gid : process.getgid && process.getgid()

  var u = parseInt('100', 8)
  var g = parseInt('010', 8)
  var o = parseInt('001', 8)
  var ug = u | g

  var ret = (mod & o) ||
    (mod & g) && gid === myGid ||
    (mod & u) && uid === myUid ||
    (mod & ug) && myUid === 0

  return ret
}


/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {

if (process.env.npm_package_name === 'pseudomap' &&
    process.env.npm_lifecycle_script === 'test')
  process.env.TEST_PSEUDOMAP = 'true'

if (typeof Map === 'function' && !process.env.TEST_PSEUDOMAP) {
  module.exports = Map
} else {
  module.exports = __webpack_require__(16)
}


/***/ }),
/* 16 */
/***/ (function(module, exports) {

var hasOwnProperty = Object.prototype.hasOwnProperty

module.exports = PseudoMap

function PseudoMap (set) {
  if (!(this instanceof PseudoMap)) // whyyyyyyy
    throw new TypeError("Constructor PseudoMap requires 'new'")

  this.clear()

  if (set) {
    if ((set instanceof PseudoMap) ||
        (typeof Map === 'function' && set instanceof Map))
      set.forEach(function (value, key) {
        this.set(key, value)
      }, this)
    else if (Array.isArray(set))
      set.forEach(function (kv) {
        this.set(kv[0], kv[1])
      }, this)
    else
      throw new TypeError('invalid argument')
  }
}

PseudoMap.prototype.forEach = function (fn, thisp) {
  thisp = thisp || this
  Object.keys(this._data).forEach(function (k) {
    if (k !== 'size')
      fn.call(thisp, this._data[k].value, this._data[k].key)
  }, this)
}

PseudoMap.prototype.has = function (k) {
  return !!find(this._data, k)
}

PseudoMap.prototype.get = function (k) {
  var res = find(this._data, k)
  return res && res.value
}

PseudoMap.prototype.set = function (k, v) {
  set(this._data, k, v)
}

PseudoMap.prototype.delete = function (k) {
  var res = find(this._data, k)
  if (res) {
    delete this._data[res._index]
    this._data.size--
  }
}

PseudoMap.prototype.clear = function () {
  var data = Object.create(null)
  data.size = 0

  Object.defineProperty(this, '_data', {
    value: data,
    enumerable: false,
    configurable: true,
    writable: false
  })
}

Object.defineProperty(PseudoMap.prototype, 'size', {
  get: function () {
    return this._data.size
  },
  set: function (n) {},
  enumerable: true,
  configurable: true
})

PseudoMap.prototype.values =
PseudoMap.prototype.keys =
PseudoMap.prototype.entries = function () {
  throw new Error('iterators are not implemented in this version')
}

// Either identical, or both NaN
function same (a, b) {
  return a === b || a !== a && b !== b
}

function Entry (k, v, i) {
  this.key = k
  this.value = v
  this._index = i
}

function find (data, k) {
  for (var i = 0, s = '_' + k, key = s;
       hasOwnProperty.call(data, key);
       key = s + i++) {
    if (same(data[key].key, k))
      return data[key]
  }
}

function set (data, k, v) {
  for (var i = 0, s = '_' + k, key = s;
       hasOwnProperty.call(data, key);
       key = s + i++) {
    if (same(data[key].key, k)) {
      data[key].value = v
      return
    }
  }
  data.size++
  data[key] = new Entry(k, v, key)
}


/***/ }),
/* 17 */
/***/ (function(module, exports) {

module.exports = Yallist

Yallist.Node = Node
Yallist.create = Yallist

function Yallist (list) {
  var self = this
  if (!(self instanceof Yallist)) {
    self = new Yallist()
  }

  self.tail = null
  self.head = null
  self.length = 0

  if (list && typeof list.forEach === 'function') {
    list.forEach(function (item) {
      self.push(item)
    })
  } else if (arguments.length > 0) {
    for (var i = 0, l = arguments.length; i < l; i++) {
      self.push(arguments[i])
    }
  }

  return self
}

Yallist.prototype.removeNode = function (node) {
  if (node.list !== this) {
    throw new Error('removing node which does not belong to this list')
  }

  var next = node.next
  var prev = node.prev

  if (next) {
    next.prev = prev
  }

  if (prev) {
    prev.next = next
  }

  if (node === this.head) {
    this.head = next
  }
  if (node === this.tail) {
    this.tail = prev
  }

  node.list.length--
  node.next = null
  node.prev = null
  node.list = null
}

Yallist.prototype.unshiftNode = function (node) {
  if (node === this.head) {
    return
  }

  if (node.list) {
    node.list.removeNode(node)
  }

  var head = this.head
  node.list = this
  node.next = head
  if (head) {
    head.prev = node
  }

  this.head = node
  if (!this.tail) {
    this.tail = node
  }
  this.length++
}

Yallist.prototype.pushNode = function (node) {
  if (node === this.tail) {
    return
  }

  if (node.list) {
    node.list.removeNode(node)
  }

  var tail = this.tail
  node.list = this
  node.prev = tail
  if (tail) {
    tail.next = node
  }

  this.tail = node
  if (!this.head) {
    this.head = node
  }
  this.length++
}

Yallist.prototype.push = function () {
  for (var i = 0, l = arguments.length; i < l; i++) {
    push(this, arguments[i])
  }
  return this.length
}

Yallist.prototype.unshift = function () {
  for (var i = 0, l = arguments.length; i < l; i++) {
    unshift(this, arguments[i])
  }
  return this.length
}

Yallist.prototype.pop = function () {
  if (!this.tail) {
    return undefined
  }

  var res = this.tail.value
  this.tail = this.tail.prev
  if (this.tail) {
    this.tail.next = null
  } else {
    this.head = null
  }
  this.length--
  return res
}

Yallist.prototype.shift = function () {
  if (!this.head) {
    return undefined
  }

  var res = this.head.value
  this.head = this.head.next
  if (this.head) {
    this.head.prev = null
  } else {
    this.tail = null
  }
  this.length--
  return res
}

Yallist.prototype.forEach = function (fn, thisp) {
  thisp = thisp || this
  for (var walker = this.head, i = 0; walker !== null; i++) {
    fn.call(thisp, walker.value, i, this)
    walker = walker.next
  }
}

Yallist.prototype.forEachReverse = function (fn, thisp) {
  thisp = thisp || this
  for (var walker = this.tail, i = this.length - 1; walker !== null; i--) {
    fn.call(thisp, walker.value, i, this)
    walker = walker.prev
  }
}

Yallist.prototype.get = function (n) {
  for (var i = 0, walker = this.head; walker !== null && i < n; i++) {
    // abort out of the list early if we hit a cycle
    walker = walker.next
  }
  if (i === n && walker !== null) {
    return walker.value
  }
}

Yallist.prototype.getReverse = function (n) {
  for (var i = 0, walker = this.tail; walker !== null && i < n; i++) {
    // abort out of the list early if we hit a cycle
    walker = walker.prev
  }
  if (i === n && walker !== null) {
    return walker.value
  }
}

Yallist.prototype.map = function (fn, thisp) {
  thisp = thisp || this
  var res = new Yallist()
  for (var walker = this.head; walker !== null;) {
    res.push(fn.call(thisp, walker.value, this))
    walker = walker.next
  }
  return res
}

Yallist.prototype.mapReverse = function (fn, thisp) {
  thisp = thisp || this
  var res = new Yallist()
  for (var walker = this.tail; walker !== null;) {
    res.push(fn.call(thisp, walker.value, this))
    walker = walker.prev
  }
  return res
}

Yallist.prototype.reduce = function (fn, initial) {
  var acc
  var walker = this.head
  if (arguments.length > 1) {
    acc = initial
  } else if (this.head) {
    walker = this.head.next
    acc = this.head.value
  } else {
    throw new TypeError('Reduce of empty list with no initial value')
  }

  for (var i = 0; walker !== null; i++) {
    acc = fn(acc, walker.value, i)
    walker = walker.next
  }

  return acc
}

Yallist.prototype.reduceReverse = function (fn, initial) {
  var acc
  var walker = this.tail
  if (arguments.length > 1) {
    acc = initial
  } else if (this.tail) {
    walker = this.tail.prev
    acc = this.tail.value
  } else {
    throw new TypeError('Reduce of empty list with no initial value')
  }

  for (var i = this.length - 1; walker !== null; i--) {
    acc = fn(acc, walker.value, i)
    walker = walker.prev
  }

  return acc
}

Yallist.prototype.toArray = function () {
  var arr = new Array(this.length)
  for (var i = 0, walker = this.head; walker !== null; i++) {
    arr[i] = walker.value
    walker = walker.next
  }
  return arr
}

Yallist.prototype.toArrayReverse = function () {
  var arr = new Array(this.length)
  for (var i = 0, walker = this.tail; walker !== null; i++) {
    arr[i] = walker.value
    walker = walker.prev
  }
  return arr
}

Yallist.prototype.slice = function (from, to) {
  to = to || this.length
  if (to < 0) {
    to += this.length
  }
  from = from || 0
  if (from < 0) {
    from += this.length
  }
  var ret = new Yallist()
  if (to < from || to < 0) {
    return ret
  }
  if (from < 0) {
    from = 0
  }
  if (to > this.length) {
    to = this.length
  }
  for (var i = 0, walker = this.head; walker !== null && i < from; i++) {
    walker = walker.next
  }
  for (; walker !== null && i < to; i++, walker = walker.next) {
    ret.push(walker.value)
  }
  return ret
}

Yallist.prototype.sliceReverse = function (from, to) {
  to = to || this.length
  if (to < 0) {
    to += this.length
  }
  from = from || 0
  if (from < 0) {
    from += this.length
  }
  var ret = new Yallist()
  if (to < from || to < 0) {
    return ret
  }
  if (from < 0) {
    from = 0
  }
  if (to > this.length) {
    to = this.length
  }
  for (var i = this.length, walker = this.tail; walker !== null && i > to; i--) {
    walker = walker.prev
  }
  for (; walker !== null && i > from; i--, walker = walker.prev) {
    ret.push(walker.value)
  }
  return ret
}

Yallist.prototype.reverse = function () {
  var head = this.head
  var tail = this.tail
  for (var walker = head; walker !== null; walker = walker.prev) {
    var p = walker.prev
    walker.prev = walker.next
    walker.next = p
  }
  this.head = tail
  this.tail = head
  return this
}

function push (self, item) {
  self.tail = new Node(item, self.tail, null, self)
  if (!self.head) {
    self.head = self.tail
  }
  self.length++
}

function unshift (self, item) {
  self.head = new Node(item, null, self.head, self)
  if (!self.tail) {
    self.tail = self.head
  }
  self.length++
}

function Node (value, prev, next, list) {
  if (!(this instanceof Node)) {
    return new Node(value, prev, next, list)
  }

  this.list = list
  this.value = value

  if (prev) {
    prev.next = this
    this.prev = prev
  } else {
    this.prev = null
  }

  if (next) {
    next.prev = this
    this.next = next
  } else {
    this.next = null
  }
}


/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


// See: https://github.com/IndigoUnited/node-cross-spawn/pull/34#issuecomment-221623455
function hasEmptyArgumentBug() {
    var nodeVer;

    if (process.platform !== 'win32') {
        return false;
    }

    nodeVer = process.version.substr(1).split('.').map(function (num) {
        return parseInt(num, 10);
    });

    return (nodeVer[0] === 0 && nodeVer[1] < 12);
}

module.exports = hasEmptyArgumentBug();


/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var escapeArgument = __webpack_require__(6);

function escapeCommand(command) {
    // Do not escape if this command is not dangerous..
    // We do this so that commands like "echo" or "ifconfig" work
    // Quoting them, will make them unaccessible
    return /^[a-z0-9_-]+$/i.test(command) ? command : escapeArgument(command, true);
}

module.exports = escapeCommand;


/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var fs = __webpack_require__(0);
var LRU = __webpack_require__(5);
var shebangCommand = __webpack_require__(21);

var shebangCache = new LRU({ max: 50, maxAge: 30 * 1000 });  // Cache just for 30sec

function readShebang(command) {
    var buffer;
    var fd;
    var shebang;

    // Check if it is in the cache first
    if (shebangCache.has(command)) {
        return shebangCache.get(command);
    }

    // Read the first 150 bytes from the file
    buffer = new Buffer(150);

    try {
        fd = fs.openSync(command, 'r');
        fs.readSync(fd, buffer, 0, 150, 0);
        fs.closeSync(fd);
    } catch (e) { /* empty */ }

    // Attempt to extract shebang (null is returned if not a shebang)
    shebang = shebangCommand(buffer.toString());

    // Store the shebang in the cache
    shebangCache.set(command, shebang);

    return shebang;
}

module.exports = readShebang;


/***/ }),
/* 21 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var shebangRegex = __webpack_require__(22);

module.exports = function (str) {
	var match = str.match(shebangRegex);

	if (!match) {
		return null;
	}

	var arr = match[0].replace(/#! ?/, '').split(' ');
	var bin = arr[0].split('/').pop();
	var arg = arr[1];

	return (bin === 'env' ?
		arg :
		bin + (arg ? ' ' + arg : '')
	);
};


/***/ }),
/* 22 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

module.exports = /^#!.*/;


/***/ }),
/* 23 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var isWin = process.platform === 'win32';
var resolveCommand = __webpack_require__(4);

var isNode10 = process.version.indexOf('v0.10.') === 0;

function notFoundError(command, syscall) {
    var err;

    err = new Error(syscall + ' ' + comman