truffle/build/6276.bundled.js

Truffle - Simple development framework for Ethereum

#!/usr/bin/env node

exports.id = 6276;
exports.ids = [6276];
exports.modules = {

/***/ 50984:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

const assert = __webpack_require__(39491)
const path = __webpack_require__(71017)
const fs = __webpack_require__(57147)
let glob = undefined
try {
  glob = __webpack_require__(12884)
} catch (_err) {
  // treat glob as optional.
}

const defaultGlobOpts = {
  nosort: true,
  silent: true
}

// for EMFILE handling
let timeout = 0

const isWindows = (process.platform === "win32")

const defaults = options => {
  const methods = [
    'unlink',
    'chmod',
    'stat',
    'lstat',
    'rmdir',
    'readdir'
  ]
  methods.forEach(m => {
    options[m] = options[m] || fs[m]
    m = m + 'Sync'
    options[m] = options[m] || fs[m]
  })

  options.maxBusyTries = options.maxBusyTries || 3
  options.emfileWait = options.emfileWait || 1000
  if (options.glob === false) {
    options.disableGlob = true
  }
  if (options.disableGlob !== true && glob === undefined) {
    throw Error('glob dependency not found, set `options.disableGlob = true` if intentional')
  }
  options.disableGlob = options.disableGlob || false
  options.glob = options.glob || defaultGlobOpts
}

const rimraf = (p, options, cb) => {
  if (typeof options === 'function') {
    cb = options
    options = {}
  }

  assert(p, 'rimraf: missing path')
  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
  assert.equal(typeof cb, 'function', 'rimraf: callback function required')
  assert(options, 'rimraf: invalid options argument provided')
  assert.equal(typeof options, 'object', 'rimraf: options should be object')

  defaults(options)

  let busyTries = 0
  let errState = null
  let n = 0

  const next = (er) => {
    errState = errState || er
    if (--n === 0)
      cb(errState)
  }

  const afterGlob = (er, results) => {
    if (er)
      return cb(er)

    n = results.length
    if (n === 0)
      return cb()

    results.forEach(p => {
      const CB = (er) => {
        if (er) {
          if ((er.code === "EBUSY" || er.code === "ENOTEMPTY" || er.code === "EPERM") &&
              busyTries < options.maxBusyTries) {
            busyTries ++
            // try again, with the same exact callback as this one.
            return setTimeout(() => rimraf_(p, options, CB), busyTries * 100)
          }

          // this one won't happen if graceful-fs is used.
          if (er.code === "EMFILE" && timeout < options.emfileWait) {
            return setTimeout(() => rimraf_(p, options, CB), timeout ++)
          }

          // already gone
          if (er.code === "ENOENT") er = null
        }

        timeout = 0
        next(er)
      }
      rimraf_(p, options, CB)
    })
  }

  if (options.disableGlob || !glob.hasMagic(p))
    return afterGlob(null, [p])

  options.lstat(p, (er, stat) => {
    if (!er)
      return afterGlob(null, [p])

    glob(p, options.glob, afterGlob)
  })

}

// Two possible strategies.
// 1. Assume it's a file.  unlink it, then do the dir stuff on EPERM or EISDIR
// 2. Assume it's a directory.  readdir, then do the file stuff on ENOTDIR
//
// Both result in an extra syscall when you guess wrong.  However, there
// are likely far more normal files in the world than directories.  This
// is based on the assumption that a the average number of files per
// directory is >= 1.
//
// If anyone ever complains about this, then I guess the strategy could
// be made configurable somehow.  But until then, YAGNI.
const rimraf_ = (p, options, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

  // sunos lets the root user unlink directories, which is... weird.
  // so we have to lstat here and make sure it's not a dir.
  options.lstat(p, (er, st) => {
    if (er && er.code === "ENOENT")
      return cb(null)

    // Windows can EPERM on stat.  Life is suffering.
    if (er && er.code === "EPERM" && isWindows)
      fixWinEPERM(p, options, er, cb)

    if (st && st.isDirectory())
      return rmdir(p, options, er, cb)

    options.unlink(p, er => {
      if (er) {
        if (er.code === "ENOENT")
          return cb(null)
        if (er.code === "EPERM")
          return (isWindows)
            ? fixWinEPERM(p, options, er, cb)
            : rmdir(p, options, er, cb)
        if (er.code === "EISDIR")
          return rmdir(p, options, er, cb)
      }
      return cb(er)
    })
  })
}

const fixWinEPERM = (p, options, er, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

  options.chmod(p, 0o666, er2 => {
    if (er2)
      cb(er2.code === "ENOENT" ? null : er)
    else
      options.stat(p, (er3, stats) => {
        if (er3)
          cb(er3.code === "ENOENT" ? null : er)
        else if (stats.isDirectory())
          rmdir(p, options, er, cb)
        else
          options.unlink(p, cb)
      })
  })
}

const fixWinEPERMSync = (p, options, er) => {
  assert(p)
  assert(options)

  try {
    options.chmodSync(p, 0o666)
  } catch (er2) {
    if (er2.code === "ENOENT")
      return
    else
      throw er
  }

  let stats
  try {
    stats = options.statSync(p)
  } catch (er3) {
    if (er3.code === "ENOENT")
      return
    else
      throw er
  }

  if (stats.isDirectory())
    rmdirSync(p, options, er)
  else
    options.unlinkSync(p)
}

const rmdir = (p, options, originalEr, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

  // try to rmdir first, and only readdir on ENOTEMPTY or EEXIST (SunOS)
  // if we guessed wrong, and it's not a directory, then
  // raise the original error.
  options.rmdir(p, er => {
    if (er && (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM"))
      rmkids(p, options, cb)
    else if (er && er.code === "ENOTDIR")
      cb(originalEr)
    else
      cb(er)
  })
}

const rmkids = (p, options, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

  options.readdir(p, (er, files) => {
    if (er)
      return cb(er)
    let n = files.length
    if (n === 0)
      return options.rmdir(p, cb)
    let errState
    files.forEach(f => {
      rimraf(path.join(p, f), options, er => {
        if (errState)
          return
        if (er)
          return cb(errState = er)
        if (--n === 0)
          options.rmdir(p, cb)
      })
    })
  })
}

// this looks simpler, and is strictly *faster*, but will
// tie up the JavaScript thread and fail on excessively
// deep directory trees.
const rimrafSync = (p, options) => {
  options = options || {}
  defaults(options)

  assert(p, 'rimraf: missing path')
  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
  assert(options, 'rimraf: missing options')
  assert.equal(typeof options, 'object', 'rimraf: options should be object')

  let results

  if (options.disableGlob || !glob.hasMagic(p)) {
    results = [p]
  } else {
    try {
      options.lstatSync(p)
      results = [p]
    } catch (er) {
      results = glob.sync(p, options.glob)
    }
  }

  if (!results.length)
    return

  for (let i = 0; i < results.length; i++) {
    const p = results[i]

    let st
    try {
      st = options.lstatSync(p)
    } catch (er) {
      if (er.code === "ENOENT")
        return

      // Windows can EPERM on stat.  Life is suffering.
      if (er.code === "EPERM" && isWindows)
        fixWinEPERMSync(p, options, er)
    }

    try {
      // sunos lets the root user unlink directories, which is... weird.
      if (st && st.isDirectory())
        rmdirSync(p, options, null)
      else
        options.unlinkSync(p)
    } catch (er) {
      if (er.code === "ENOENT")
        return
      if (er.code === "EPERM")
        return isWindows ? fixWinEPERMSync(p, options, er) : rmdirSync(p, options, er)
      if (er.code !== "EISDIR")
        throw er

      rmdirSync(p, options, er)
    }
  }
}

const rmdirSync = (p, options, originalEr) => {
  assert(p)
  assert(options)

  try {
    options.rmdirSync(p)
  } catch (er) {
    if (er.code === "ENOENT")
      return
    if (er.code === "ENOTDIR")
      throw originalEr
    if (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM")
      rmkidsSync(p, options)
  }
}

const rmkidsSync = (p, options) => {
  assert(p)
  assert(options)
  options.readdirSync(p).forEach(f => rimrafSync(path.join(p, f), options))

  // We only end up here once we got ENOTEMPTY at least once, and
  // at this point, we are guaranteed to have removed all the kids.
  // So, we know that it won't be ENOENT or ENOTDIR or anything else.
  // try really hard to delete stuff on windows, because it has a
  // PROFOUNDLY annoying habit of not closing handles promptly when
  // files are deleted, resulting in spurious ENOTEMPTY errors.
  const retries = isWindows ? 100 : 1
  let i = 0
  do {
    let threw = true
    try {
      const ret = options.rmdirSync(p, options)
      threw = false
      return ret
    } finally {
      if (++i < retries && threw)
        continue
    }
  } while (true)
}

module.exports = rimraf
rimraf.sync = rimrafSync


/***/ }),

/***/ 36276:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/*!
 * Tmp
 *
 * Copyright (c) 2011-2017 KARASZI Istvan <github@spam.raszi.hu>
 *
 * MIT Licensed
 */

/*
 * Module dependencies.
 */
const fs = __webpack_require__(57147);
const os = __webpack_require__(22037);
const path = __webpack_require__(71017);
const crypto = __webpack_require__(6113);
const _c = { fs: fs.constants, os: os.constants };
const rimraf = __webpack_require__(50984);

/*
 * The working inner variables.
 */
const
  // the random characters to choose from
  RANDOM_CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',

  TEMPLATE_PATTERN = /XXXXXX/,

  DEFAULT_TRIES = 3,

  CREATE_FLAGS = (_c.O_CREAT || _c.fs.O_CREAT) | (_c.O_EXCL || _c.fs.O_EXCL) | (_c.O_RDWR || _c.fs.O_RDWR),

  // constants are off on the windows platform and will not match the actual errno codes
  IS_WIN32 = os.platform() === 'win32',
  EBADF = _c.EBADF || _c.os.errno.EBADF,
  ENOENT = _c.ENOENT || _c.os.errno.ENOENT,

  DIR_MODE = 0o700 /* 448 */,
  FILE_MODE = 0o600 /* 384 */,

  EXIT = 'exit',

  // this will hold the objects need to be removed on exit
  _removeObjects = [],

  // API change in fs.rmdirSync leads to error when passing in a second parameter, e.g. the callback
  FN_RMDIR_SYNC = fs.rmdirSync.bind(fs),
  FN_RIMRAF_SYNC = rimraf.sync;

let
  _gracefulCleanup = false;

/**
 * Gets a temporary file name.
 *
 * @param {(Options|tmpNameCallback)} options options or callback
 * @param {?tmpNameCallback} callback the callback function
 */
function tmpName(options, callback) {
  const
    args = _parseArguments(options, callback),
    opts = args[0],
    cb = args[1];

  try {
    _assertAndSanitizeOptions(opts);
  } catch (err) {
    return cb(err);
  }

  let tries = opts.tries;
  (function _getUniqueName() {
    try {
      const name = _generateTmpName(opts);

      // check whether the path exists then retry if needed
      fs.stat(name, function (err) {
        /* istanbul ignore else */
        if (!err) {
          /* istanbul ignore else */
          if (tries-- > 0) return _getUniqueName();

          return cb(new Error('Could not get a unique tmp filename, max tries reached ' + name));
        }

        cb(null, name);
      });
    } catch (err) {
      cb(err);
    }
  }());
}

/**
 * Synchronous version of tmpName.
 *
 * @param {Object} options
 * @returns {string} the generated random name
 * @throws {Error} if the options are invalid or could not generate a filename
 */
function tmpNameSync(options) {
  const
    args = _parseArguments(options),
    opts = args[0];

  _assertAndSanitizeOptions(opts);

  let tries = opts.tries;
  do {
    const name = _generateTmpName(opts);
    try {
      fs.statSync(name);
    } catch (e) {
      return name;
    }
  } while (tries-- > 0);

  throw new Error('Could not get a unique tmp filename, max tries reached');
}

/**
 * Creates and opens a temporary file.
 *
 * @param {(Options|null|undefined|fileCallback)} options the config options or the callback function or null or undefined
 * @param {?fileCallback} callback
 */
function file(options, callback) {
  const
    args = _parseArguments(options, callback),
    opts = args[0],
    cb = args[1];

  // gets a temporary filename
  tmpName(opts, function _tmpNameCreated(err, name) {
    /* istanbul ignore else */
    if (err) return cb(err);

    // create and open the file
    fs.open(name, CREATE_FLAGS, opts.mode || FILE_MODE, function _fileCreated(err, fd) {
      /* istanbu ignore else */
      if (err) return cb(err);

      if (opts.discardDescriptor) {
        return fs.close(fd, function _discardCallback(possibleErr) {
          // the chance of getting an error on close here is rather low and might occur in the most edgiest cases only
          return cb(possibleErr, name, undefined, _prepareTmpFileRemoveCallback(name, -1, opts, false));
        });
      } else {
        // detachDescriptor passes the descriptor whereas discardDescriptor closes it, either way, we no longer care
        // about the descriptor
        const discardOrDetachDescriptor = opts.discardDescriptor || opts.detachDescriptor;
        cb(null, name, fd, _prepareTmpFileRemoveCallback(name, discardOrDetachDescriptor ? -1 : fd, opts, false));
      }
    });
  });
}

/**
 * Synchronous version of file.
 *
 * @param {Options} options
 * @returns {FileSyncObject} object consists of name, fd and removeCallback
 * @throws {Error} if cannot create a file
 */
function fileSync(options) {
  const
    args = _parseArguments(options),
    opts = args[0];

  const discardOrDetachDescriptor = opts.discardDescriptor || opts.detachDescriptor;
  const name = tmpNameSync(opts);
  var fd = fs.openSync(name, CREATE_FLAGS, opts.mode || FILE_MODE);
  /* istanbul ignore else */
  if (opts.discardDescriptor) {
    fs.closeSync(fd);
    fd = undefined;
  }

  return {
    name: name,
    fd: fd,
    removeCallback: _prepareTmpFileRemoveCallback(name, discardOrDetachDescriptor ? -1 : fd, opts, true)
  };
}

/**
 * Creates a temporary directory.
 *
 * @param {(Options|dirCallback)} options the options or the callback function
 * @param {?dirCallback} callback
 */
function dir(options, callback) {
  const
    args = _parseArguments(options, callback),
    opts = args[0],
    cb = args[1];

  // gets a temporary filename
  tmpName(opts, function _tmpNameCreated(err, name) {
    /* istanbul ignore else */
    if (err) return cb(err);

    // create the directory
    fs.mkdir(name, opts.mode || DIR_MODE, function _dirCreated(err) {
      /* istanbul ignore else */
      if (err) return cb(err);

      cb(null, name, _prepareTmpDirRemoveCallback(name, opts, false));
    });
  });
}

/**
 * Synchronous version of dir.
 *
 * @param {Options} options
 * @returns {DirSyncObject} object consists of name and removeCallback
 * @throws {Error} if it cannot create a directory
 */
function dirSync(options) {
  const
    args = _parseArguments(options),
    opts = args[0];

  const name = tmpNameSync(opts);
  fs.mkdirSync(name, opts.mode || DIR_MODE);

  return {
    name: name,
    removeCallback: _prepareTmpDirRemoveCallback(name, opts, true)
  };
}

/**
 * Removes files asynchronously.
 *
 * @param {Object} fdPath
 * @param {Function} next
 * @private
 */
function _removeFileAsync(fdPath, next) {
  const _handler = function (err) {
    if (err && !_isENOENT(err)) {
      // reraise any unanticipated error
      return next(err);
    }
    next();
  };

  if (0 <= fdPath[0])
    fs.close(fdPath[0], function () {
      fs.unlink(fdPath[1], _handler);
    });
  else fs.unlink(fdPath[1], _handler);
}

/**
 * Removes files synchronously.
 *
 * @param {Object} fdPath
 * @private
 */
function _removeFileSync(fdPath) {
  let rethrownException = null;
  try {
    if (0 <= fdPath[0]) fs.closeSync(fdPath[0]);
  } catch (e) {
    // reraise any unanticipated error
    if (!_isEBADF(e) && !_isENOENT(e)) throw e;
  } finally {
    try {
      fs.unlinkSync(fdPath[1]);
    }
    catch (e) {
      // reraise any unanticipated error
      if (!_isENOENT(e)) rethrownException = e;
    }
  }
  if (rethrownException !== null) {
    throw rethrownException;
  }
}

/**
 * Prepares the callback for removal of the temporary file.
 *
 * Returns either a sync callback or a async callback depending on whether
 * fileSync or file was called, which is expressed by the sync parameter.
 *
 * @param {string} name the path of the file
 * @param {number} fd file descriptor
 * @param {Object} opts
 * @param {boolean} sync
 * @returns {fileCallback | fileCallbackSync}
 * @private
 */
function _prepareTmpFileRemoveCallback(name, fd, opts, sync) {
  const removeCallbackSync = _prepareRemoveCallback(_removeFileSync, [fd, name], sync);
  const removeCallback = _prepareRemoveCallback(_removeFileAsync, [fd, name], sync, removeCallbackSync);

  if (!opts.keep) _removeObjects.unshift(removeCallbackSync);

  return sync ? removeCallbackSync : removeCallback;
}

/**
 * Prepares the callback for removal of the temporary directory.
 *
 * Returns either a sync callback or a async callback depending on whether
 * tmpFileSync or tmpFile was called, which is expressed by the sync parameter.
 *
 * @param {string} name
 * @param {Object} opts
 * @param {boolean} sync
 * @returns {Function} the callback
 * @private
 */
function _prepareTmpDirRemoveCallback(name, opts, sync) {
  const removeFunction = opts.unsafeCleanup ? rimraf : fs.rmdir.bind(fs);
  const removeFunctionSync = opts.unsafeCleanup ? FN_RIMRAF_SYNC : FN_RMDIR_SYNC;
  const removeCallbackSync = _prepareRemoveCallback(removeFunctionSync, name, sync);
  const removeCallback = _prepareRemoveCallback(removeFunction, name, sync, removeCallbackSync);
  if (!opts.keep) _removeObjects.unshift(removeCallbackSync);

  return sync ? removeCallbackSync : removeCallback;
}

/**
 * Creates a guarded function wrapping the removeFunction call.
 *
 * The cleanup callback is save to be called multiple times.
 * Subsequent invocations will be ignored.
 *
 * @param {Function} removeFunction
 * @param {string} fileOrDirName
 * @param {boolean} sync
 * @param {cleanupCallbackSync?} cleanupCallbackSync
 * @returns {cleanupCallback | cleanupCallbackSync}
 * @private
 */
function _prepareRemoveCallback(removeFunction, fileOrDirName, sync, cleanupCallbackSync) {
  let called = false;

  // if sync is true, the next parameter will be ignored
  return function _cleanupCallback(next) {

    /* istanbul ignore else */
    if (!called) {
      // remove cleanupCallback from cache
      const toRemove = cleanupCallbackSync || _cleanupCallback;
      const index = _removeObjects.indexOf(toRemove);
      /* istanbul ignore else */
      if (index >= 0) _removeObjects.splice(index, 1);

      called = true;
      if (sync || removeFunction === FN_RMDIR_SYNC || removeFunction === FN_RIMRAF_SYNC) {
        return removeFunction(fileOrDirName);
      } else {
        return removeFunction(fileOrDirName, next || function() {});
      }
    }
  };
}

/**
 * The garbage collector.
 *
 * @private
 */
function _garbageCollector() {
  /* istanbul ignore else */
  if (!_gracefulCleanup) return;

  // the function being called removes itself from _removeObjects,
  // loop until _removeObjects is empty
  while (_removeObjects.length) {
    try {
      _removeObjects[0]();
    } catch (e) {
      // already removed?
    }
  }
}

/**
 * Random name generator based on crypto.
 * Adapted from http://blog.tompawlak.org/how-to-generate-random-values-nodejs-javascript
 *
 * @param {number} howMany
 * @returns {string} the generated random name
 * @private
 */
function _randomChars(howMany) {
  let
    value = [],
    rnd = null;

  // make sure that we do not fail because we ran out of entropy
  try {
    rnd = crypto.randomBytes(howMany);
  } catch (e) {
    rnd = crypto.pseudoRandomBytes(howMany);
  }

  for (var i = 0; i < howMany; i++) {
    value.push(RANDOM_CHARS[rnd[i] % RANDOM_CHARS.length]);
  }

  return value.join('');
}

/**
 * Helper which determines whether a string s is blank, that is undefined, or empty or null.
 *
 * @private
 * @param {string} s
 * @returns {Boolean} true whether the string s is blank, false otherwise
 */
function _isBlank(s) {
  return s === null || _isUndefined(s) || !s.trim();
}

/**
 * Checks whether the `obj` parameter is defined or not.
 *
 * @param {Object} obj
 * @returns {boolean} true if the object is undefined
 * @private
 */
function _isUndefined(obj) {
  return typeof obj === 'undefined';
}

/**
 * Parses the function arguments.
 *
 * This function helps to have optional arguments.
 *
 * @param {(Options|null|undefined|Function)} options
 * @param {?Function} callback
 * @returns {Array} parsed arguments
 * @private
 */
function _parseArguments(options, callback) {
  /* istanbul ignore else */
  if (typeof options === 'function') {
    return [{}, options];
  }

  /* istanbul ignore else */
  if (_isUndefined(options)) {
    return [{}, callback];
  }

  // copy options so we do not leak the changes we make internally
  const actualOptions = {};
  for (const key of Object.getOwnPropertyNames(options)) {
    actualOptions[key] = options[key];
  }

  return [actualOptions, callback];
}

/**
 * Generates a new temporary name.
 *
 * @param {Object} opts
 * @returns {string} the new random name according to opts
 * @private
 */
function _generateTmpName(opts) {

  const tmpDir = opts.tmpdir;

  /* istanbul ignore else */
  if (!_isUndefined(opts.name))
    return path.join(tmpDir, opts.dir, opts.name);

  /* istanbul ignore else */
  if (!_isUndefined(opts.template))
    return path.join(tmpDir, opts.dir, opts.template).replace(TEMPLATE_PATTERN, _randomChars(6));

  // prefix and postfix
  const name = [
    opts.prefix ? opts.prefix : 'tmp',
    '-',
    process.pid,
    '-',
    _randomChars(12),
    opts.postfix ? '-' + opts.postfix : ''
  ].join('');

  return path.join(tmpDir, opts.dir, name);
}

/**
 * Asserts whether the specified options are valid, also sanitizes options and provides sane defaults for missing
 * options.
 *
 * @param {Options} options
 * @private
 */
function _assertAndSanitizeOptions(options) {

  options.tmpdir = _getTmpDir(options);

  const tmpDir = options.tmpdir;

  /* istanbul ignore else */
  if (!_isUndefined(options.name))
    _assertIsRelative(options.name, 'name', tmpDir);
  /* istanbul ignore else */
  if (!_isUndefined(options.dir))
    _assertIsRelative(options.dir, 'dir', tmpDir);
  /* istanbul ignore else */
  if (!_isUndefined(options.template)) {
    _assertIsRelative(options.template, 'template', tmpDir);
    if (!options.template.match(TEMPLATE_PATTERN))
      throw new Error(`Invalid template, found "${options.template}".`);
  }
  /* istanbul ignore else */
  if (!_isUndefined(options.tries) && isNaN(options.tries) || options.tries < 0)
    throw new Error(`Invalid tries, found "${options.tries}".`);

  // if a name was specified we will try once
  options.tries = _isUndefined(options.name) ? options.tries || DEFAULT_TRIES : 1;
  options.keep = !!options.keep;
  options.detachDescriptor = !!options.detachDescriptor;
  options.discardDescriptor = !!options.discardDescriptor;
  options.unsafeCleanup = !!options.unsafeCleanup;

  // sanitize dir, also keep (multiple) blanks if the user, purportedly sane, requests us to
  options.dir = _isUndefined(options.dir) ? '' : path.relative(tmpDir, _resolvePath(options.dir, tmpDir));
  options.template = _isUndefined(options.template) ? undefined : path.relative(tmpDir, _resolvePath(options.template, tmpDir));
  // sanitize further if template is relative to options.dir
  options.template = _isBlank(options.template) ? undefined : path.relative(options.dir, options.template);

  // for completeness' sake only, also keep (multiple) blanks if the user, purportedly sane, requests us to
  options.name = _isUndefined(options.name) ? undefined : _sanitizeName(options.name);
  options.prefix = _isUndefined(options.prefix) ? '' : options.prefix;
  options.postfix = _isUndefined(options.postfix) ? '' : options.postfix;
}

/**
 * Resolve the specified path name in respect to tmpDir.
 *
 * The specified name might include relative path components, e.g. ../
 * so we need to resolve in order to be sure that is is located inside tmpDir
 *
 * @param name
 * @param tmpDir
 * @returns {string}
 * @private
 */
function _resolvePath(name, tmpDir) {
  const sanitizedName = _sanitizeName(name);
  if (sanitizedName.startsWith(tmpDir)) {
    return path.resolve(sanitizedName);
  } else {
    return path.resolve(path.join(tmpDir, sanitizedName));
  }
}

/**
 * Sanitize the specified path name by removing all quote characters.
 *
 * @param name
 * @returns {string}
 * @private
 */
function _sanitizeName(name) {
  if (_isBlank(name)) {
    return name;
  }
  return name.replace(/["']/g, '');
}

/**
 * Asserts whether specified name is relative to the specified tmpDir.
 *
 * @param {string} name
 * @param {string} option
 * @param {string} tmpDir
 * @throws {Error}
 * @private
 */
function _assertIsRelative(name, option, tmpDir) {
  if (option === 'name') {
    // assert that name is not absolute and does not contain a path
    if (path.isAbsolute(name))
      throw new Error(`${option} option must not contain an absolute path, found "${name}".`);
    // must not fail on valid .<name> or ..<name> or similar such constructs
    let basename = path.basename(name);
    if (basename === '..' || basename === '.' || basename !== name)
      throw new Error(`${option} option must not contain a path, found "${name}".`);
  }
  else { // if (option === 'dir' || option === 'template') {
    // assert that dir or template are relative to tmpDir
    if (path.isAbsolute(name) && !name.startsWith(tmpDir)) {
      throw new Error(`${option} option must be relative to "${tmpDir}", found "${name}".`);
    }
    let resolvedPath = _resolvePath(name, tmpDir);
    if (!resolvedPath.startsWith(tmpDir))
      throw new Error(`${option} option must be relative to "${tmpDir}", found "${resolvedPath}".`);
  }
}

/**
 * Helper for testing against EBADF to compensate changes made to Node 7.x under Windows.
 *
 * @private
 */
function _isEBADF(error) {
  return _isExpectedError(error, -EBADF, 'EBADF');
}

/**
 * Helper for testing against ENOENT to compensate changes made to Node 7.x under Windows.
 *
 * @private
 */
function _isENOENT(error) {
  return _isExpectedError(error, -ENOENT, 'ENOENT');
}

/**
 * Helper to determine whether the expected error code matches the actual code and errno,
 * which will differ between the supported node versions.
 *
 * - Node >= 7.0:
 *   error.code {string}
 *   error.errno {number} any numerical value will be negated
 *
 * CAVEAT
 *
 * On windows, the errno for EBADF is -4083 but os.constants.errno.EBADF is different and we must assume that ENOENT
 * is no different here.
 *
 * @param {SystemError} error
 * @param {number} errno
 * @param {string} code
 * @private
 */
function _isExpectedError(error, errno, code) {
  return IS_WIN32 ? error.code === code : error.code === code && error.errno === errno;
}

/**
 * Sets the graceful cleanup.
 *
 * If graceful cleanup is set, tmp will remove all controlled temporary objects on process exit, otherwise the
 * temporary objects will remain in place, waiting to be cleaned up on system restart or otherwise scheduled temporary
 * object removals.
 */
function setGracefulCleanup() {
  _gracefulCleanup = true;
}

/**
 * Returns the currently configured tmp dir from os.tmpdir().
 *
 * @private
 * @param {?Options} options
 * @returns {string} the currently configured tmp dir
 */
function _getTmpDir(options) {
  return path.resolve(_sanitizeName(options && options.tmpdir || os.tmpdir()));
}

// Install process exit listener
process.addListener(EXIT, _garbageCollector);

/**
 * Configuration options.
 *
 * @typedef {Object} Options
 * @property {?boolean} keep the temporary object (file or dir) will not be garbage collected
 * @property {?number} tries the number of tries before give up the name generation
 * @property (?int) mode the access mode, defaults are 0o700 for directories and 0o600 for files
 * @property {?string} template the "mkstemp" like filename template
 * @property {?string} name fixed name relative to tmpdir or the specified dir option
 * @property {?string} dir tmp directory relative to the root tmp directory in use
 * @property {?string} prefix prefix for the generated name
 * @property {?string} postfix postfix for the generated name
 * @property {?string} tmpdir the root tmp directory which overrides the os tmpdir
 * @property {?boolean} unsafeCleanup recursively removes the created temporary directory, even when it's not empty
 * @property {?boolean} detachDescriptor detaches the file descriptor, caller is responsible for closing the file, tmp will no longer try closing the file during garbage collection
 * @property {?boolean} discardDescriptor discards the file descriptor (closes file, fd is -1), tmp will no longer try closing the file during garbage collection
 */

/**
 * @typedef {Object} FileSyncObject
 * @property {string} name the name of the file
 * @property {string} fd the file descriptor or -1 if the fd has been discarded
 * @property {fileCallback} removeCallback the callback function to remove the file
 */

/**
 * @typedef {Object} DirSyncObject
 * @property {string} name the name of the directory
 * @property {fileCallback} removeCallback the callback function to remove the directory
 */

/**
 * @callback tmpNameCallback
 * @param {?Error} err the error object if anything goes wrong
 * @param {string} name the temporary file name
 */

/**
 * @callback fileCallback
 * @param {?Error} err the error object if anything goes wrong
 * @param {string} name the temporary file name
 * @param {number} fd the file descriptor or -1 if the fd had been discarded
 * @param {cleanupCallback} fn the cleanup callback function
 */

/**
 * @callback fileCallbackSync
 * @param {?Error} err the error object if anything goes wrong
 * @param {string} name the temporary file name
 * @param {number} fd the file descriptor or -1 if the fd had been discarded
 * @param {cleanupCallbackSync} fn the cleanup callback function
 */

/**
 * @callback dirCallback
 * @param {?Error} err the error object if anything goes wrong
 * @param {string} name the temporary file name
 * @param {cleanupCallback} fn the cleanup callback function
 */

/**
 * @callback dirCallbackSync
 * @param {?Error} err the error object if anything goes wrong
 * @param {string} name the temporary file name
 * @param {cleanupCallbackSync} fn the cleanup callback function
 */

/**
 * Removes the temporary created file or directory.
 *
 * @callback cleanupCallback
 * @param {simpleCallback} [next] function to call whenever the tmp object needs to be removed
 */

/**
 * Removes the temporary created file or directory.
 *
 * @callback cleanupCallbackSync
 */

/**
 * Callback function for function composition.
 * @see {@link https://github.com/raszi/node-tmp/issues/57|raszi/node-tmp#57}
 *
 * @callback simpleCallback
 */

// exporting all the needed methods

// evaluate _getTmpDir() lazily, mainly for simplifying testing but it also will
// allow users to reconfigure the temporary directory
Object.defineProperty(module.exports, "tmpdir", ({
  enumerable: true,
  configurable: false,
  get: function () {
    return _getTmpDir();
  }
}));

module.exports.dir = dir;
module.exports.dirSync = dirSync;

module.exports.file = file;
module.exports.fileSync = fileSync;

module.exports.tmpName = tmpName;
module.exports.tmpNameSync = tmpNameSync;

module.exports.setGracefulCleanup = setGracefulCleanup;


/***/ })

};
;
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