main.js

'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var electron = _interopDefault(require('electron'));
var util = _interopDefault(require('util'));
var path = _interopDefault(require('path'));
var fs = _interopDefault(require('fs'));
var constants = _interopDefault(require('constants'));
var stream = _interopDefault(require('stream'));
var assert = _interopDefault(require('assert'));
var crypto = _interopDefault(require('crypto'));
var os = _interopDefault(require('os'));
var process$1 = _interopDefault(require('process'));

var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function commonjsRequire () {
	throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs');
}

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var global$1 = (typeof global !== "undefined" ? global :
            typeof self !== "undefined" ? self :
            typeof window !== "undefined" ? window : {});

// shim for using process in browser
// based off https://github.com/defunctzombie/node-process/blob/master/browser.js

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
var cachedSetTimeout = defaultSetTimout;
var cachedClearTimeout = defaultClearTimeout;
if (typeof global$1.setTimeout === 'function') {
    cachedSetTimeout = setTimeout;
}
if (typeof global$1.clearTimeout === 'function') {
    cachedClearTimeout = clearTimeout;
}

function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}
function nextTick(fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
}
// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
var title = 'browser';
var platform = 'browser';
var browser = true;
var env = {};
var argv = [];
var version = ''; // empty string to avoid regexp issues
var versions = {};
var release = {};
var config = {};

function noop() {}

var on = noop;
var addListener = noop;
var once = noop;
var off = noop;
var removeListener = noop;
var removeAllListeners = noop;
var emit = noop;

function binding(name) {
    throw new Error('process.binding is not supported');
}

function cwd () { return '/' }
function chdir (dir) {
    throw new Error('process.chdir is not supported');
}function umask() { return 0; }

// from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js
var performance = global$1.performance || {};
var performanceNow =
  performance.now        ||
  performance.mozNow     ||
  performance.msNow      ||
  performance.oNow       ||
  performance.webkitNow  ||
  function(){ return (new Date()).getTime() };

// generate timestamp or delta
// see http://nodejs.org/api/process.html#process_process_hrtime
function hrtime(previousTimestamp){
  var clocktime = performanceNow.call(performance)*1e-3;
  var seconds = Math.floor(clocktime);
  var nanoseconds = Math.floor((clocktime%1)*1e9);
  if (previousTimestamp) {
    seconds = seconds - previousTimestamp[0];
    nanoseconds = nanoseconds - previousTimestamp[1];
    if (nanoseconds<0) {
      seconds--;
      nanoseconds += 1e9;
    }
  }
  return [seconds,nanoseconds]
}

var startTime = new Date();
function uptime() {
  var currentTime = new Date();
  var dif = currentTime - startTime;
  return dif / 1000;
}

var process = {
  nextTick: nextTick,
  title: title,
  browser: browser,
  env: env,
  argv: argv,
  version: version,
  versions: versions,
  on: on,
  addListener: addListener,
  once: once,
  off: off,
  removeListener: removeListener,
  removeAllListeners: removeAllListeners,
  emit: emit,
  binding: binding,
  cwd: cwd,
  chdir: chdir,
  umask: umask,
  hrtime: hrtime,
  platform: platform,
  release: release,
  config: config,
  uptime: uptime
};

var origCwd = process.cwd;
var cwd$1 = null;

var platform$1 = process.env.GRACEFUL_FS_PLATFORM || process.platform;

process.cwd = function() {
  if (!cwd$1)
    cwd$1 = origCwd.call(process);
  return cwd$1
};
try {
  process.cwd();
} catch (er) {}

var chdir$1 = process.chdir;
process.chdir = function(d) {
  cwd$1 = null;
  chdir$1.call(process, d);
};

var polyfills = patch;

function patch (fs) {
  // (re-)implement some things that are known busted or missing.

  // lchmod, broken prior to 0.6.2
  // back-port the fix here.
  if (constants.hasOwnProperty('O_SYMLINK') &&
      process.version.match(/^v0\.6\.[0-2]|^v0\.5\./)) {
    patchLchmod(fs);
  }

  // lutimes implementation, or no-op
  if (!fs.lutimes) {
    patchLutimes(fs);
  }

  // https://github.com/isaacs/node-graceful-fs/issues/4
  // Chown should not fail on einval or eperm if non-root.
  // It should not fail on enosys ever, as this just indicates
  // that a fs doesn't support the intended operation.

  fs.chown = chownFix(fs.chown);
  fs.fchown = chownFix(fs.fchown);
  fs.lchown = chownFix(fs.lchown);

  fs.chmod = chmodFix(fs.chmod);
  fs.fchmod = chmodFix(fs.fchmod);
  fs.lchmod = chmodFix(fs.lchmod);

  fs.chownSync = chownFixSync(fs.chownSync);
  fs.fchownSync = chownFixSync(fs.fchownSync);
  fs.lchownSync = chownFixSync(fs.lchownSync);

  fs.chmodSync = chmodFixSync(fs.chmodSync);
  fs.fchmodSync = chmodFixSync(fs.fchmodSync);
  fs.lchmodSync = chmodFixSync(fs.lchmodSync);

  fs.stat = statFix(fs.stat);
  fs.fstat = statFix(fs.fstat);
  fs.lstat = statFix(fs.lstat);

  fs.statSync = statFixSync(fs.statSync);
  fs.fstatSync = statFixSync(fs.fstatSync);
  fs.lstatSync = statFixSync(fs.lstatSync);

  // if lchmod/lchown do not exist, then make them no-ops
  if (!fs.lchmod) {
    fs.lchmod = function (path, mode, cb) {
      if (cb) nextTick(cb);
    };
    fs.lchmodSync = function () {};
  }
  if (!fs.lchown) {
    fs.lchown = function (path, uid, gid, cb) {
      if (cb) nextTick(cb);
    };
    fs.lchownSync = function () {};
  }

  // on Windows, A/V software can lock the directory, causing this
  // to fail with an EACCES or EPERM if the directory contains newly
  // created files.  Try again on failure, for up to 60 seconds.

  // Set the timeout this long because some Windows Anti-Virus, such as Parity
  // bit9, may lock files for up to a minute, causing npm package install
  // failures. Also, take care to yield the scheduler. Windows scheduling gives
  // CPU to a busy looping process, which can cause the program causing the lock
  // contention to be starved of CPU by node, so the contention doesn't resolve.
  if (platform$1 === "win32") {
    fs.rename = (function (fs$rename) { return function (from, to, cb) {
      var start = Date.now();
      var backoff = 0;
      fs$rename(from, to, function CB (er) {
        if (er
            && (er.code === "EACCES" || er.code === "EPERM")
            && Date.now() - start < 60000) {
          setTimeout(function() {
            fs.stat(to, function (stater, st) {
              if (stater && stater.code === "ENOENT")
                fs$rename(from, to, CB);
              else
                cb(er);
            });
          }, backoff);
          if (backoff < 100)
            backoff += 10;
          return;
        }
        if (cb) cb(er);
      });
    }})(fs.rename);
  }

  // if read() returns EAGAIN, then just try it again.
  fs.read = (function (fs$read) {
    function read (fd, buffer, offset, length, position, callback_) {
      var callback;
      if (callback_ && typeof callback_ === 'function') {
        var eagCounter = 0;
        callback = function (er, _, __) {
          if (er && er.code === 'EAGAIN' && eagCounter < 10) {
            eagCounter ++;
            return fs$read.call(fs, fd, buffer, offset, length, position, callback)
          }
          callback_.apply(this, arguments);
        };
      }
      return fs$read.call(fs, fd, buffer, offset, length, position, callback)
    }

    // This ensures `util.promisify` works as it does for native `fs.read`.
    read.__proto__ = fs$read;
    return read
  })(fs.read);

  fs.readSync = (function (fs$readSync) { return function (fd, buffer, offset, length, position) {
    var eagCounter = 0;
    while (true) {
      try {
        return fs$readSync.call(fs, fd, buffer, offset, length, position)
      } catch (er) {
        if (er.code === 'EAGAIN' && eagCounter < 10) {
          eagCounter ++;
          continue
        }
        throw er
      }
    }
  }})(fs.readSync);

  function patchLchmod (fs) {
    fs.lchmod = function (path, mode, callback) {
      fs.open( path
             , constants.O_WRONLY | constants.O_SYMLINK
             , mode
             , function (err, fd) {
        if (err) {
          if (callback) callback(err);
          return
        }
        // prefer to return the chmod error, if one occurs,
        // but still try to close, and report closing errors if they occur.
        fs.fchmod(fd, mode, function (err) {
          fs.close(fd, function(err2) {
            if (callback) callback(err || err2);
          });
        });
      });
    };

    fs.lchmodSync = function (path, mode) {
      var fd = fs.openSync(path, constants.O_WRONLY | constants.O_SYMLINK, mode);

      // prefer to return the chmod error, if one occurs,
      // but still try to close, and report closing errors if they occur.
      var threw = true;
      var ret;
      try {
        ret = fs.fchmodSync(fd, mode);
        threw = false;
      } finally {
        if (threw) {
          try {
            fs.closeSync(fd);
          } catch (er) {}
        } else {
          fs.closeSync(fd);
        }
      }
      return ret
    };
  }

  function patchLutimes (fs) {
    if (constants.hasOwnProperty("O_SYMLINK")) {
      fs.lutimes = function (path, at, mt, cb) {
        fs.open(path, constants.O_SYMLINK, function (er, fd) {
          if (er) {
            if (cb) cb(er);
            return
          }
          fs.futimes(fd, at, mt, function (er) {
            fs.close(fd, function (er2) {
              if (cb) cb(er || er2);
            });
          });
        });
      };

      fs.lutimesSync = function (path, at, mt) {
        var fd = fs.openSync(path, constants.O_SYMLINK);
        var ret;
        var threw = true;
        try {
          ret = fs.futimesSync(fd, at, mt);
          threw = false;
        } finally {
          if (threw) {
            try {
              fs.closeSync(fd);
            } catch (er) {}
          } else {
            fs.closeSync(fd);
          }
        }
        return ret
      };

    } else {
      fs.lutimes = function (_a, _b, _c, cb) { if (cb) nextTick(cb); };
      fs.lutimesSync = function () {};
    }
  }

  function chmodFix (orig) {
    if (!orig) return orig
    return function (target, mode, cb) {
      return orig.call(fs, target, mode, function (er) {
        if (chownErOk(er)) er = null;
        if (cb) cb.apply(this, arguments);
      })
    }
  }

  function chmodFixSync (orig) {
    if (!orig) return orig
    return function (target, mode) {
      try {
        return orig.call(fs, target, mode)
      } catch (er) {
        if (!chownErOk(er)) throw er
      }
    }
  }


  function chownFix (orig) {
    if (!orig) return orig
    return function (target, uid, gid, cb) {
      return orig.call(fs, target, uid, gid, function (er) {
        if (chownErOk(er)) er = null;
        if (cb) cb.apply(this, arguments);
      })
    }
  }

  function chownFixSync (orig) {
    if (!orig) return orig
    return function (target, uid, gid) {
      try {
        return orig.call(fs, target, uid, gid)
      } catch (er) {
        if (!chownErOk(er)) throw er
      }
    }
  }

  function statFix (orig) {
    if (!orig) return orig
    // Older versions of Node erroneously returned signed integers for
    // uid + gid.
    return function (target, options, cb) {
      if (typeof options === 'function') {
        cb = options;
        options = null;
      }
      function callback (er, stats) {
        if (stats) {
          if (stats.uid < 0) stats.uid += 0x100000000;
          if (stats.gid < 0) stats.gid += 0x100000000;
        }
        if (cb) cb.apply(this, arguments);
      }
      return options ? orig.call(fs, target, options, callback)
        : orig.call(fs, target, callback)
    }
  }

  function statFixSync (orig) {
    if (!orig) return orig
    // Older versions of Node erroneously returned signed integers for
    // uid + gid.
    return function (target, options) {
      var stats = options ? orig.call(fs, target, options)
        : orig.call(fs, target);
      if (stats.uid < 0) stats.uid += 0x100000000;
      if (stats.gid < 0) stats.gid += 0x100000000;
      return stats;
    }
  }

  // ENOSYS means that the fs doesn't support the op. Just ignore
  // that, because it doesn't matter.
  //
  // if there's no getuid, or if getuid() is something other
  // than 0, and the error is EINVAL or EPERM, then just ignore
  // it.
  //
  // This specific case is a silent failure in cp, install, tar,
  // and most other unix tools that manage permissions.
  //
  // When running as root, or if other types of errors are
  // encountered, then it's strict.
  function chownErOk (er) {
    if (!er)
      return true

    if (er.code === "ENOSYS")
      return true

    var nonroot = !process.getuid || process.getuid() !== 0;
    if (nonroot) {
      if (er.code === "EINVAL" || er.code === "EPERM")
        return true
    }

    return false
  }
}

var Stream = stream.Stream;

var legacyStreams = legacy;

function legacy (fs) {
  return {
    ReadStream: ReadStream,
    WriteStream: WriteStream
  }

  function ReadStream (path, options) {
    if (!(this instanceof ReadStream)) return new ReadStream(path, options);

    Stream.call(this);

    var self = this;

    this.path = path;
    this.fd = null;
    this.readable = true;
    this.paused = false;

    this.flags = 'r';
    this.mode = 438; /*=0666*/
    this.bufferSize = 64 * 1024;

    options = options || {};

    // Mixin options into this
    var keys = Object.keys(options);
    for (var index = 0, length = keys.length; index < length; index++) {
      var key = keys[index];
      this[key] = options[key];
    }

    if (this.encoding) this.setEncoding(this.encoding);

    if (this.start !== undefined) {
      if ('number' !== typeof this.start) {
        throw TypeError('start must be a Number');
      }
      if (this.end === undefined) {
        this.end = Infinity;
      } else if ('number' !== typeof this.end) {
        throw TypeError('end must be a Number');
      }

      if (this.start > this.end) {
        throw new Error('start must be <= end');
      }

      this.pos = this.start;
    }

    if (this.fd !== null) {
      nextTick(function() {
        self._read();
      });
      return;
    }

    fs.open(this.path, this.flags, this.mode, function (err, fd) {
      if (err) {
        self.emit('error', err);
        self.readable = false;
        return;
      }

      self.fd = fd;
      self.emit('open', fd);
      self._read();
    });
  }

  function WriteStream (path, options) {
    if (!(this instanceof WriteStream)) return new WriteStream(path, options);

    Stream.call(this);

    this.path = path;
    this.fd = null;
    this.writable = true;

    this.flags = 'w';
    this.encoding = 'binary';
    this.mode = 438; /*=0666*/
    this.bytesWritten = 0;

    options = options || {};

    // Mixin options into this
    var keys = Object.keys(options);
    for (var index = 0, length = keys.length; index < length; index++) {
      var key = keys[index];
      this[key] = options[key];
    }

    if (this.start !== undefined) {
      if ('number' !== typeof this.start) {
        throw TypeError('start must be a Number');
      }
      if (this.start < 0) {
        throw new Error('start must be >= zero');
      }

      this.pos = this.start;
    }

    this.busy = false;
    this._queue = [];

    if (this.fd === null) {
      this._open = fs.open;
      this._queue.push([this._open, this.path, this.flags, this.mode, undefined]);
      this.flush();
    }
  }
}

var clone_1 = clone;

function clone (obj) {
  if (obj === null || typeof obj !== 'object')
    return obj

  if (obj instanceof Object)
    var copy = { __proto__: obj.__proto__ };
  else
    var copy = Object.create(null);

  Object.getOwnPropertyNames(obj).forEach(function (key) {
    Object.defineProperty(copy, key, Object.getOwnPropertyDescriptor(obj, key));
  });

  return copy
}

var gracefulFs = createCommonjsModule(function (module) {
/* istanbul ignore next - node 0.x polyfill */
var gracefulQueue;
var previousSymbol;

/* istanbul ignore else - node 0.x polyfill */
if (typeof Symbol === 'function' && typeof Symbol.for === 'function') {
  gracefulQueue = Symbol.for('graceful-fs.queue');
  // This is used in testing by future versions
  previousSymbol = Symbol.for('graceful-fs.previous');
} else {
  gracefulQueue = '___graceful-fs.queue';
  previousSymbol = '___graceful-fs.previous';
}

function noop () {}

var debug = noop;
if (util.debuglog)
  debug = util.debuglog('gfs4');
else if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || ''))
  debug = function() {
    var m = util.format.apply(util, arguments);
    m = 'GFS4: ' + m.split(/\n/).join('\nGFS4: ');
    console.error(m);
  };

// Once time initialization
if (!commonjsGlobal[gracefulQueue]) {
  // This queue can be shared by multiple loaded instances
  var queue = [];
  Object.defineProperty(commonjsGlobal, gracefulQueue, {
    get: function() {
      return queue
    }
  });

  // Patch fs.close/closeSync to shared queue version, because we need
  // to retry() whenever a close happens *anywhere* in the program.
  // This is essential when multiple graceful-fs instances are
  // in play at the same time.
  fs.close = (function (fs$close) {
    function close (fd, cb) {
      return fs$close.call(fs, fd, function (err) {
        // This function uses the graceful-fs shared queue
        if (!err) {
          retry();
        }

        if (typeof cb === 'function')
          cb.apply(this, arguments);
      })
    }

    Object.defineProperty(close, previousSymbol, {
      value: fs$close
    });
    return close
  })(fs.close);

  fs.closeSync = (function (fs$closeSync) {
    function closeSync (fd) {
      // This function uses the graceful-fs shared queue
      fs$closeSync.apply(fs, arguments);
      retry();
    }

    Object.defineProperty(closeSync, previousSymbol, {
      value: fs$closeSync
    });
    return closeSync
  })(fs.closeSync);

  if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || '')) {
    process.on('exit', function() {
      debug(commonjsGlobal[gracefulQueue]);
      assert.equal(commonjsGlobal[gracefulQueue].length, 0);
    });
  }
}

module.exports = patch(clone_1(fs));
if (process.env.TEST_GRACEFUL_FS_GLOBAL_PATCH && !fs.__patched) {
    module.exports = patch(fs);
    fs.__patched = true;
}

function patch (fs) {
  // Everything that references the open() function needs to be in here
  polyfills(fs);
  fs.gracefulify = patch;

  fs.createReadStream = createReadStream;
  fs.createWriteStream = createWriteStream;
  var fs$readFile = fs.readFile;
  fs.readFile = readFile;
  function readFile (path, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    return go$readFile(path, options, cb)

    function go$readFile (path, options, cb) {
      return fs$readFile(path, options, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$readFile, [path, options, cb]]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
          retry();
        }
      })
    }
  }

  var fs$writeFile = fs.writeFile;
  fs.writeFile = writeFile;
  function writeFile (path, data, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    return go$writeFile(path, data, options, cb)

    function go$writeFile (path, data, options, cb) {
      return fs$writeFile(path, data, options, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$writeFile, [path, data, options, cb]]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
          retry();
        }
      })
    }
  }

  var fs$appendFile = fs.appendFile;
  if (fs$appendFile)
    fs.appendFile = appendFile;
  function appendFile (path, data, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    return go$appendFile(path, data, options, cb)

    function go$appendFile (path, data, options, cb) {
      return fs$appendFile(path, data, options, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$appendFile, [path, data, options, cb]]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
          retry();
        }
      })
    }
  }

  var fs$readdir = fs.readdir;
  fs.readdir = readdir;
  function readdir (path, options, cb) {
    var args = [path];
    if (typeof options !== 'function') {
      args.push(options);
    } else {
      cb = options;
    }
    args.push(go$readdir$cb);

    return go$readdir(args)

    function go$readdir$cb (err, files) {
      if (files && files.sort)
        files.sort();

      if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
        enqueue([go$readdir, [args]]);

      else {
        if (typeof cb === 'function')
          cb.apply(this, arguments);
        retry();
      }
    }
  }

  function go$readdir (args) {
    return fs$readdir.apply(fs, args)
  }

  if (process.version.substr(0, 4) === 'v0.8') {
    var legStreams = legacyStreams(fs);
    ReadStream = legStreams.ReadStream;
    WriteStream = legStreams.WriteStream;
  }

  var fs$ReadStream = fs.ReadStream;
  if (fs$ReadStream) {
    ReadStream.prototype = Object.create(fs$ReadStream.prototype);
    ReadStream.prototype.open = ReadStream$open;
  }

  var fs$WriteStream = fs.WriteStream;
  if (fs$WriteStream) {
    WriteStream.prototype = Object.create(fs$WriteStream.prototype);
    WriteStream.prototype.open = WriteStream$open;
  }

  Object.defineProperty(fs, 'ReadStream', {
    get: function () {
      return ReadStream
    },
    set: function (val) {
      ReadStream = val;
    },
    enumerable: true,
    configurable: true
  });
  Object.defineProperty(fs, 'WriteStream', {
    get: function () {
      return WriteStream
    },
    set: function (val) {
      WriteStream = val;
    },
    enumerable: true,
    configurable: true
  });

  // legacy names
  Object.defineProperty(fs, 'FileReadStream', {
    get: function () {
      return ReadStream
    },
    set: function (val) {
      ReadStream = val;
    },
    enumerable: true,
    configurable: true
  });
  Object.defineProperty(fs, 'FileWriteStream', {
    get: function () {
      return WriteStream
    },
    set: function (val) {
      WriteStream = val;
    },
    enumerable: true,
    configurable: true
  });

  function ReadStream (path, options) {
    if (this instanceof ReadStream)
      return fs$ReadStream.apply(this, arguments), this
    else
      return ReadStream.apply(Object.create(ReadStream.prototype), arguments)
  }

  function ReadStream$open () {
    var that = this;
    open(that.path, that.flags, that.mode, function (err, fd) {
      if (err) {
        if (that.autoClose)
          that.destroy();

        that.emit('error', err);
      } else {
        that.fd = fd;
        that.emit('open', fd);
        that.read();
      }
    });
  }

  function WriteStream (path, options) {
    if (this instanceof WriteStream)
      return fs$WriteStream.apply(this, arguments), this
    else
      return WriteStream.apply(Object.create(WriteStream.prototype), arguments)
  }

  function WriteStream$open () {
    var that = this;
    open(that.path, that.flags, that.mode, function (err, fd) {
      if (err) {
        that.destroy();
        that.emit('error', err);
      } else {
        that.fd = fd;
        that.emit('open', fd);
      }
    });
  }

  function createReadStream (path, options) {
    return new fs.ReadStream(path, options)
  }

  function createWriteStream (path, options) {
    return new fs.WriteStream(path, options)
  }

  var fs$open = fs.open;
  fs.open = open;
  function open (path, flags, mode, cb) {
    if (typeof mode === 'function')
      cb = mode, mode = null;

    return go$open(path, flags, mode, cb)

    function go$open (path, flags, mode, cb) {
      return fs$open(path, flags, mode, function (err, fd) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$open, [path, flags, mode, cb]]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
          retry();
        }
      })
    }
  }

  return fs
}

function enqueue (elem) {
  debug('ENQUEUE', elem[0].name, elem[1]);
  commonjsGlobal[gracefulQueue].push(elem);
}

function retry () {
  var elem = commonjsGlobal[gracefulQueue].shift();
  if (elem) {
    debug('RETRY', elem[0].name, elem[1]);
    elem[0].apply(null, elem[1]);
  }
}
});

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

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

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

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

isStream.transform = stream =>
	isStream.duplex(stream) &&
	typeof stream._transform === 'function' &&
	typeof stream._transformState === 'object';

var isStream_1 = isStream;

var semver = createCommonjsModule(function (module, exports) {
exports = module.exports = SemVer;

var debug;
/* istanbul ignore next */
if (typeof process === 'object' &&
    process.env &&
    process.env.NODE_DEBUG &&
    /\bsemver\b/i.test(process.env.NODE_DEBUG)) {
  debug = function () {
    var args = Array.prototype.slice.call(arguments, 0);
    args.unshift('SEMVER');
    console.log.apply(console, args);
  };
} else {
  debug = function () {};
}

// Note: this is the semver.org version of the spec that it implements
// Not necessarily the package version of this code.
exports.SEMVER_SPEC_VERSION = '2.0.0';

var MAX_LENGTH = 256;
var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER ||
  /* istanbul ignore next */ 9007199254740991;

// Max safe segment length for coercion.
var MAX_SAFE_COMPONENT_LENGTH = 16;

// The actual regexps go on exports.re
var re = exports.re = [];
var src = exports.src = [];
var t = exports.tokens = {};
var R = 0;

function tok (n) {
  t[n] = R++;
}

// The following Regular Expressions can be used for tokenizing,
// validating, and parsing SemVer version strings.

// ## Numeric Identifier
// A single `0`, or a non-zero digit followed by zero or more digits.

tok('NUMERICIDENTIFIER');
src[t.NUMERICIDENTIFIER] = '0|[1-9]\\d*';
tok('NUMERICIDENTIFIERLOOSE');
src[t.NUMERICIDENTIFIERLOOSE] = '[0-9]+';

// ## Non-numeric Identifier
// Zero or more digits, followed by a letter or hyphen, and then zero or
// more letters, digits, or hyphens.

tok('NONNUMERICIDENTIFIER');
src[t.NONNUMERICIDENTIFIER] = '\\d*[a-zA-Z-][a-zA-Z0-9-]*';

// ## Main Version
// Three dot-separated numeric identifiers.

tok('MAINVERSION');
src[t.MAINVERSION] = '(' + src[t.NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[t.NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[t.NUMERICIDENTIFIER] + ')';

tok('MAINVERSIONLOOSE');
src[t.MAINVERSIONLOOSE] = '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')';

// ## Pre-release Version Identifier
// A numeric identifier, or a non-numeric identifier.

tok('PRERELEASEIDENTIFIER');
src[t.PRERELEASEIDENTIFIER] = '(?:' + src[t.NUMERICIDENTIFIER] +
                            '|' + src[t.NONNUMERICIDENTIFIER] + ')';

tok('PRERELEASEIDENTIFIERLOOSE');
src[t.PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[t.NUMERICIDENTIFIERLOOSE] +
                                 '|' + src[t.NONNUMERICIDENTIFIER] + ')';

// ## Pre-release Version
// Hyphen, followed by one or more dot-separated pre-release version
// identifiers.

tok('PRERELEASE');
src[t.PRERELEASE] = '(?:-(' + src[t.PRERELEASEIDENTIFIER] +
                  '(?:\\.' + src[t.PRERELEASEIDENTIFIER] + ')*))';

tok('PRERELEASELOOSE');
src[t.PRERELEASELOOSE] = '(?:-?(' + src[t.PRERELEASEIDENTIFIERLOOSE] +
                       '(?:\\.' + src[t.PRERELEASEIDENTIFIERLOOSE] + ')*))';

// ## Build Metadata Identifier
// Any combination of digits, letters, or hyphens.

tok('BUILDIDENTIFIER');
src[t.BUILDIDENTIFIER] = '[0-9A-Za-z-]+';

// ## Build Metadata
// Plus sign, followed by one or more period-separated build metadata
// identifiers.

tok('BUILD');
src[t.BUILD] = '(?:\\+(' + src[t.BUILDIDENTIFIER] +
             '(?:\\.' + src[t.BUILDIDENTIFIER] + ')*))';

// ## Full Version String
// A main version, followed optionally by a pre-release version and
// build metadata.

// Note that the only major, minor, patch, and pre-release sections of
// the version string are capturing groups.  The build metadata is not a
// capturing group, because it should not ever be used in version
// comparison.

tok('FULL');
tok('FULLPLAIN');
src[t.FULLPLAIN] = 'v?' + src[t.MAINVERSION] +
                  src[t.PRERELEASE] + '?' +
                  src[t.BUILD] + '?';

src[t.FULL] = '^' + src[t.FULLPLAIN] + '$';

// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
// common in the npm registry.
tok('LOOSEPLAIN');
src[t.LOOSEPLAIN] = '[v=\\s]*' + src[t.MAINVERSIONLOOSE] +
                  src[t.PRERELEASELOOSE] + '?' +
                  src[t.BUILD] + '?';

tok('LOOSE');
src[t.LOOSE] = '^' + src[t.LOOSEPLAIN] + '$';

tok('GTLT');
src[t.GTLT] = '((?:<|>)?=?)';

// Something like "2.*" or "1.2.x".
// Note that "x.x" is a valid xRange identifer, meaning "any version"
// Only the first item is strictly required.
tok('XRANGEIDENTIFIERLOOSE');
src[t.XRANGEIDENTIFIERLOOSE] = src[t.NUMERICIDENTIFIERLOOSE] + '|x|X|\\*';
tok('XRANGEIDENTIFIER');
src[t.XRANGEIDENTIFIER] = src[t.NUMERICIDENTIFIER] + '|x|X|\\*';

tok('XRANGEPLAIN');
src[t.XRANGEPLAIN] = '[v=\\s]*(' + src[t.XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[t.XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[t.XRANGEIDENTIFIER] + ')' +
                   '(?:' + src[t.PRERELEASE] + ')?' +
                   src[t.BUILD] + '?' +
                   ')?)?';

tok('XRANGEPLAINLOOSE');
src[t.XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:' + src[t.PRERELEASELOOSE] + ')?' +
                        src[t.BUILD] + '?' +
                        ')?)?';

tok('XRANGE');
src[t.XRANGE] = '^' + src[t.GTLT] + '\\s*' + src[t.XRANGEPLAIN] + '$';
tok('XRANGELOOSE');
src[t.XRANGELOOSE] = '^' + src[t.GTLT] + '\\s*' + src[t.XRANGEPLAINLOOSE] + '$';

// Coercion.
// Extract anything that could conceivably be a part of a valid semver
tok('COERCE');
src[t.COERCE] = '(^|[^\\d])' +
              '(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:$|[^\\d])';
tok('COERCERTL');
re[t.COERCERTL] = new RegExp(src[t.COERCE], 'g');

// Tilde ranges.
// Meaning is "reasonably at or greater than"
tok('LONETILDE');
src[t.LONETILDE] = '(?:~>?)';

tok('TILDETRIM');
src[t.TILDETRIM] = '(\\s*)' + src[t.LONETILDE] + '\\s+';
re[t.TILDETRIM] = new RegExp(src[t.TILDETRIM], 'g');
var tildeTrimReplace = '$1~';

tok('TILDE');
src[t.TILDE] = '^' + src[t.LONETILDE] + src[t.XRANGEPLAIN] + '$';
tok('TILDELOOSE');
src[t.TILDELOOSE] = '^' + src[t.LONETILDE] + src[t.XRANGEPLAINLOOSE] + '$';

// Caret ranges.
// Meaning is "at least and backwards compatible with"
tok('LONECARET');
src[t.LONECARET] = '(?:\\^)';

tok('CARETTRIM');
src[t.CARETTRIM] = '(\\s*)' + src[t.LONECARET] + '\\s+';
re[t.CARETTRIM] = new RegExp(src[t.CARETTRIM], 'g');
var caretTrimReplace = '$1^';

tok('CARET');
src[t.CARET] = '^' + src[t.LONECARET] + src[t.XRANGEPLAIN] + '$';
tok('CARETLOOSE');
src[t.CARETLOOSE] = '^' + src[t.LONECARET] + src[t.XRANGEPLAINLOOSE] + '$';

// A simple gt/lt/eq thing, or just "" to indicate "any version"
tok('COMPARATORLOOSE');
src[t.COMPARATORLOOSE] = '^' + src[t.GTLT] + '\\s*(' + src[t.LOOSEPLAIN] + ')$|^$';
tok('COMPARATOR');
src[t.COMPARATOR] = '^' + src[t.GTLT] + '\\s*(' + src[t.FULLPLAIN] + ')$|^$';

// An expression to strip any whitespace between the gtlt and the thing
// it modifies, so that `> 1.2.3` ==> `>1.2.3`
tok('COMPARATORTRIM');
src[t.COMPARATORTRIM] = '(\\s*)' + src[t.GTLT] +
                      '\\s*(' + src[t.LOOSEPLAIN] + '|' + src[t.XRANGEPLAIN] + ')';

// this one has to use the /g flag
re[t.COMPARATORTRIM] = new RegExp(src[t.COMPARATORTRIM], 'g');
var comparatorTrimReplace = '$1$2$3';

// Something like `1.2.3 - 1.2.4`
// Note that these all use the loose form, because they'll be
// checked against either the strict or loose comparator form
// later.
tok('HYPHENRANGE');
src[t.HYPHENRANGE] = '^\\s*(' + src[t.XRANGEPLAIN] + ')' +
                   '\\s+-\\s+' +
                   '(' + src[t.XRANGEPLAIN] + ')' +
                   '\\s*$';

tok('HYPHENRANGELOOSE');
src[t.HYPHENRANGELOOSE] = '^\\s*(' + src[t.XRANGEPLAINLOOSE] + ')' +
                        '\\s+-\\s+' +
                        '(' + src[t.XRANGEPLAINLOOSE] + ')' +
                        '\\s*$';

// Star ranges basically just allow anything at all.
tok('STAR');
src[t.STAR] = '(<|>)?=?\\s*\\*';

// Compile to actual regexp objects.
// All are flag-free, unless they were created above with a flag.
for (var i = 0; i < R; i++) {
  debug(i, src[i]);
  if (!re[i]) {
    re[i] = new RegExp(src[i]);
  }
}

exports.parse = parse;
function parse (version, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  if (version instanceof SemVer) {
    return version
  }

  if (typeof version !== 'string') {
    return null
  }

  if (version.length > MAX_LENGTH) {
    return null
  }

  var r = options.loose ? re[t.LOOSE] : re[t.FULL];
  if (!r.test(version)) {
    return null
  }

  try {
    return new SemVer(version, options)
  } catch (er) {
    return null
  }
}

exports.valid = valid;
function valid (version, options) {
  var v = parse(version, options);
  return v ? v.version : null
}

exports.clean = clean;
function clean (version, options) {
  var s = parse(version.trim().replace(/^[=v]+/, ''), options);
  return s ? s.version : null
}

exports.SemVer = SemVer;

function SemVer (version, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }
  if (version instanceof SemVer) {
    if (version.loose === options.loose) {
      return version
    } else {
      version = version.version;
    }
  } else if (typeof version !== 'string') {
    throw new TypeError('Invalid Version: ' + version)
  }

  if (version.length > MAX_LENGTH) {
    throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters')
  }

  if (!(this instanceof SemVer)) {
    return new SemVer(version, options)
  }

  debug('SemVer', version, options);
  this.options = options;
  this.loose = !!options.loose;

  var m = version.trim().match(options.loose ? re[t.LOOSE] : re[t.FULL]);

  if (!m) {
    throw new TypeError('Invalid Version: ' + version)
  }

  this.raw = version;

  // these are actually numbers
  this.major = +m[1];
  this.minor = +m[2];
  this.patch = +m[3];

  if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
    throw new TypeError('Invalid major version')
  }

  if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
    throw new TypeError('Invalid minor version')
  }

  if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
    throw new TypeError('Invalid patch version')
  }

  // numberify any prerelease numeric ids
  if (!m[4]) {
    this.prerelease = [];
  } else {
    this.prerelease = m[4].split('.').map(function (id) {
      if (/^[0-9]+$/.test(id)) {
        var num = +id;
        if (num >= 0 && num < MAX_SAFE_INTEGER) {
          return num
        }
      }
      return id
    });
  }

  this.build = m[5] ? m[5].split('.') : [];
  this.format();
}

SemVer.prototype.format = function () {
  this.version = this.major + '.' + this.minor + '.' + this.patch;
  if (this.prerelease.length) {
    this.version += '-' + this.prerelease.join('.');
  }
  return this.version
};

SemVer.prototype.toString = function () {
  return this.version
};

SemVer.prototype.compare = function (other) {
  debug('SemVer.compare', this.version, this.options, other);
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  return this.compareMain(other) || this.comparePre(other)
};

SemVer.prototype.compareMain = function (other) {
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  return compareIdentifiers(this.major, other.major) ||
         compareIdentifiers(this.minor, other.minor) ||
         compareIdentifiers(this.patch, other.patch)
};

SemVer.prototype.comparePre = function (other) {
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  // NOT having a prerelease is > having one
  if (this.prerelease.length && !other.prerelease.length) {
    return -1
  } else if (!this.prerelease.length && other.prerelease.length) {
    return 1
  } else if (!this.prerelease.length && !other.prerelease.length) {
    return 0
  }

  var i = 0;
  do {
    var a = this.prerelease[i];
    var b = other.prerelease[i];
    debug('prerelease compare', i, a, b);
    if (a === undefined && b === undefined) {
      return 0
    } else if (b === undefined) {
      return 1
    } else if (a === undefined) {
      return -1
    } else if (a === b) {
      continue
    } else {
      return compareIdentifiers(a, b)
    }
  } while (++i)
};

SemVer.prototype.compareBuild = function (other) {
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  var i = 0;
  do {
    var a = this.build[i];
    var b = other.build[i];
    debug('prerelease compare', i, a, b);
    if (a === undefined && b === undefined) {
      return 0
    } else if (b === undefined) {
      return 1
    } else if (a === undefined) {
      return -1
    } else if (a === b) {
      continue
    } else {
      return compareIdentifiers(a, b)
    }
  } while (++i)
};

// preminor will bump the version up to the next minor release, and immediately
// down to pre-release. premajor and prepatch work the same way.
SemVer.prototype.inc = function (release, identifier) {
  switch (release) {
    case 'premajor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor = 0;
      this.major++;
      this.inc('pre', identifier);
      break
    case 'preminor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor++;
      this.inc('pre', identifier);
      break
    case 'prepatch':
      // If this is already a prerelease, it will bump to the next version
      // drop any prereleases that might already exist, since they are not
      // relevant at this point.
      this.prerelease.length = 0;
      this.inc('patch', identifier);
      this.inc('pre', identifier);
      break
    // If the input is a non-prerelease version, this acts the same as
    // prepatch.
    case 'prerelease':
      if (this.prerelease.length === 0) {
        this.inc('patch', identifier);
      }
      this.inc('pre', identifier);
      break

    case 'major':
      // If this is a pre-major version, bump up to the same major version.
      // Otherwise increment major.
      // 1.0.0-5 bumps to 1.0.0
      // 1.1.0 bumps to 2.0.0
      if (this.minor !== 0 ||
          this.patch !== 0 ||
          this.prerelease.length === 0) {
        this.major++;
      }
      this.minor = 0;
      this.patch = 0;
      this.prerelease = [];
      break
    case 'minor':
      // If this is a pre-minor version, bump up to the same minor version.
      // Otherwise increment minor.
      // 1.2.0-5 bumps to 1.2.0
      // 1.2.1 bumps to 1.3.0
      if (this.patch !== 0 || this.prerelease.length === 0) {
        this.minor++;
      }
      this.patch = 0;
      this.prerelease = [];
      break
    case 'patch':
      // If this is not a pre-release version, it will increment the patch.
      // If it is a pre-release it will bump up to the same patch version.
      // 1.2.0-5 patches to 1.2.0
      // 1.2.0 patches to 1.2.1
      if (this.prerelease.length === 0) {
        this.patch++;
      }
      this.prerelease = [];
      break
    // This probably shouldn't be used publicly.
    // 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
    case 'pre':
      if (this.prerelease.length === 0) {
        this.prerelease = [0];
      } else {
        var i = this.prerelease.length;
        while (--i >= 0) {
          if (typeof this.prerelease[i] === 'number') {
            this.prerelease[i]++;
            i = -2;
          }
        }
        if (i === -1) {
          // didn't increment anything
          this.prerelease.push(0);
        }
      }
      if (identifier) {
        // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
        // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
        if (this.prerelease[0] === identifier) {
          if (isNaN(this.prerelease[1])) {
            this.prerelease = [identifier, 0];
          }
        } else {
          this.prerelease = [identifier, 0];
        }
      }
      break

    default:
      throw new Error('invalid increment argument: ' + release)
  }
  this.format();
  this.raw = this.version;
  return this
};

exports.inc = inc;
function inc (version, release, loose, identifier) {
  if (typeof (loose) === 'string') {
    identifier = loose;
    loose = undefined;
  }

  try {
    return new SemVer(version, loose).inc(release, identifier).version
  } catch (er) {
    return null
  }
}

exports.diff = diff;
function diff (version1, version2) {
  if (eq(version1, version2)) {
    return null
  } else {
    var v1 = parse(version1);
    var v2 = parse(version2);
    var prefix = '';
    if (v1.prerelease.length || v2.prerelease.length) {
      prefix = 'pre';
      var defaultResult = 'prerelease';
    }
    for (var key in v1) {
      if (key === 'major' || key === 'minor' || key === 'patch') {
        if (v1[key] !== v2[key]) {
          return prefix + key
        }
      }
    }
    return defaultResult // may be undefined
  }
}

exports.compareIdentifiers = compareIdentifiers;

var numeric = /^[0-9]+$/;
function compareIdentifiers (a, b) {
  var anum = numeric.test(a);
  var bnum = numeric.test(b);

  if (anum && bnum) {
    a = +a;
    b = +b;
  }

  return a === b ? 0
    : (anum && !bnum) ? -1
    : (bnum && !anum) ? 1
    : a < b ? -1
    : 1
}

exports.rcompareIdentifiers = rcompareIdentifiers;
function rcompareIdentifiers (a, b) {
  return compareIdentifiers(b, a)
}

exports.major = major;
function major (a, loose) {
  return new SemVer(a, loose).major
}

exports.minor = minor;
function minor (a, loose) {
  return new SemVer(a, loose).minor
}

exports.patch = patch;
function patch (a, loose) {
  return new SemVer(a, loose).patch
}

exports.compare = compare;
function compare (a, b, loose) {
  return new SemVer(a, loose).compare(new SemVer(b, loose))
}

exports.compareLoose = compareLoose;
function compareLoose (a, b) {
  return compare(a, b, true)
}

exports.compareBuild = compareBuild;
function compareBuild (a, b, loose) {
  var versionA = new SemVer(a, loose);
  var versionB = new SemVer(b, loose);
  return versionA.compare(versionB) || versionA.compareBuild(versionB)
}

exports.rcompare = rcompare;
function rcompare (a, b, loose) {
  return compare(b, a, loose)
}

exports.sort = sort;
function sort (list, loose) {
  return list.sort(function (a, b) {
    return exports.compareBuild(a, b, loose)
  })
}

exports.rsort = rsort;
function rsort (list, loose) {
  return list.sort(function (a, b) {
    return exports.compareBuild(b, a, loose)
  })
}

exports.gt = gt;
function gt (a, b, loose) {
  return compare(a, b, loose) > 0
}

exports.lt = lt;
function lt (a, b, loose) {
  return compare(a, b, loose) < 0
}

exports.eq = eq;
function eq (a, b, loose) {
  return compare(a, b, loose) === 0
}

exports.neq = neq;
function neq (a, b, loose) {
  return compare(a, b, loose) !== 0
}

exports.gte = gte;
function gte (a, b, loose) {
  return compare(a, b, loose) >= 0
}

exports.lte = lte;
function lte (a, b, loose) {
  return compare(a, b, loose) <= 0
}

exports.cmp = cmp;
function cmp (a, op, b, loose) {
  switch (op) {
    case '===':
      if (typeof a === 'object')
        a = a.version;
      if (typeof b === 'object')
        b = b.version;
      return a === b

    case '!==':
      if (typeof a === 'object')
        a = a.version;
      if (typeof b === 'object')
        b = b.version;
      return a !== b

    case '':
    case '=':
    case '==':
      return eq(a, b, loose)

    case '!=':
      return neq(a, b, loose)

    case '>':
      return gt(a, b, loose)

    case '>=':
      return gte(a, b, loose)

    case '<':
      return lt(a, b, loose)

    case '<=':
      return lte(a, b, loose)

    default:
      throw new TypeError('Invalid operator: ' + op)
  }
}

exports.Comparator = Comparator;
function Comparator (comp, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  if (comp instanceof Comparator) {
    if (comp.loose === !!options.loose) {
      return comp
    } else {
      comp = comp.value;
    }
  }

  if (!(this instanceof Comparator)) {
    return new Comparator(comp, options)
  }

  debug('comparator', comp, options);
  this.options = options;
  this.loose = !!options.loose;
  this.parse(comp);

  if (this.semver === ANY) {
    this.value = '';
  } else {
    this.value = this.operator + this.semver.version;
  }

  debug('comp', this);
}

var ANY = {};
Comparator.prototype.parse = function (comp) {
  var r = this.options.loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR];
  var m = comp.match(r);

  if (!m) {
    throw new TypeError('Invalid comparator: ' + comp)
  }

  this.operator = m[1] !== undefined ? m[1] : '';
  if (this.operator === '=') {
    this.operator = '';
  }

  // if it literally is just '>' or '' then allow anything.
  if (!m[2]) {
    this.semver = ANY;
  } else {
    this.semver = new SemVer(m[2], this.options.loose);
  }
};

Comparator.prototype.toString = function () {
  return this.value
};

Comparator.prototype.test = function (version) {
  debug('Comparator.test', version, this.options.loose);

  if (this.semver === ANY || version === ANY) {
    return true
  }

  if (typeof version === 'string') {
    try {
      version = new SemVer(version, this.options);
    } catch (er) {
      return false
    }
  }

  return cmp(version, this.operator, this.semver, this.options)
};

Comparator.prototype.intersects = function (comp, options) {
  if (!(comp instanceof Comparator)) {
    throw new TypeError('a Comparator is required')
  }

  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  var rangeTmp;

  if (this.operator === '') {
    if (this.value === '') {
      return true
    }
    rangeTmp = new Range(comp.value, options);
    return satisfies(this.value, rangeTmp, options)
  } else if (comp.operator === '') {
    if (comp.value === '') {
      return true
    }
    rangeTmp = new Range(this.value, options);
    return satisfies(comp.semver, rangeTmp, options)
  }

  var sameDirectionIncreasing =
    (this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '>=' || comp.operator === '>');
  var sameDirectionDecreasing =
    (this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '<=' || comp.operator === '<');
  var sameSemVer = this.semver.version === comp.semver.version;
  var differentDirectionsInclusive =
    (this.operator === '>=' || this.operator === '<=') &&
    (comp.operator === '>=' || comp.operator === '<=');
  var oppositeDirectionsLessThan =
    cmp(this.semver, '<', comp.semver, options) &&
    ((this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '<=' || comp.operator === '<'));
  var oppositeDirectionsGreaterThan =
    cmp(this.semver, '>', comp.semver, options) &&
    ((this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '>=' || comp.operator === '>'));

  return sameDirectionIncreasing || sameDirectionDecreasing ||
    (sameSemVer && differentDirectionsInclusive) ||
    oppositeDirectionsLessThan || oppositeDirectionsGreaterThan
};

exports.Range = Range;
function Range (range, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  if (range instanceof Range) {
    if (range.loose === !!options.loose &&
        range.includePrerelease === !!options.includePrerelease) {
      return range
    } else {
      return new Range(range.raw, options)
    }
  }

  if (range instanceof Comparator) {
    return new Range(range.value, options)
  }

  if (!(this instanceof Range)) {
    return new Range(range, options)
  }

  this.options = options;
  this.loose = !!options.loose;
  this.includePrerelease = !!options.includePrerelease;

  // First, split based on boolean or ||
  this.raw = range;
  this.set = range.split(/\s*\|\|\s*/).map(function (range) {
    return this.parseRange(range.trim())
  }, this).filter(function (c) {
    // throw out any that are not relevant for whatever reason
    return c.length
  });

  if (!this.set.length) {
    throw new TypeError('Invalid SemVer Range: ' + range)
  }

  this.format();
}

Range.prototype.format = function () {
  this.range = this.set.map(function (comps) {
    return comps.join(' ').trim()
  }).join('||').trim();
  return this.range
};

Range.prototype.toString = function () {
  return this.range
};

Range.prototype.parseRange = function (range) {
  var loose = this.options.loose;
  range = range.trim();
  // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
  var hr = loose ? re[t.HYPHENRANGELOOSE] : re[t.HYPHENRANGE];
  range = range.replace(hr, hyphenReplace);
  debug('hyphen replace', range);
  // `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
  range = range.replace(re[t.COMPARATORTRIM], comparatorTrimReplace);
  debug('comparator trim', range, re[t.COMPARATORTRIM]);

  // `~ 1.2.3` => `~1.2.3`
  range = range.replace(re[t.TILDETRIM], tildeTrimReplace);

  // `^ 1.2.3` => `^1.2.3`
  range = range.replace(re[t.CARETTRIM], caretTrimReplace);

  // normalize spaces
  range = range.split(/\s+/).join(' ');

  // At this point, the range is completely trimmed and
  // ready to be split into comparators.

  var compRe = loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR];
  var set = range.split(' ').map(function (comp) {
    return parseComparator(comp, this.options)
  }, this).join(' ').split(/\s+/);
  if (this.options.loose) {
    // in loose mode, throw out any that are not valid comparators
    set = set.filter(function (comp) {
      return !!comp.match(compRe)
    });
  }
  set = set.map(function (comp) {
    return new Comparator(comp, this.options)
  }, this);

  return set
};

Range.prototype.intersects = function (range, options) {
  if (!(range instanceof Range)) {
    throw new TypeError('a Range is required')
  }

  return this.set.some(function (thisComparators) {
    return (
      isSatisfiable(thisComparators, options) &&
      range.set.some(function (rangeComparators) {
        return (
          isSatisfiable(rangeComparators, options) &&
          thisComparators.every(function (thisComparator) {
            return rangeComparators.every(function (rangeComparator) {
              return thisComparator.intersects(rangeComparator, options)
            })
          })
        )
      })
    )
  })
};

// take a set of comparators and determine whether there
// exists a version which can satisfy it
function isSatisfiable (comparators, options) {
  var result = true;
  var remainingComparators = comparators.slice();
  var testComparator = remainingComparators.pop();

  while (result && remainingComparators.length) {
    result = remainingComparators.every(function (otherComparator) {
      return testComparator.intersects(otherComparator, options)
    });

    testComparator = remainingComparators.pop();
  }

  return result
}

// Mostly just for testing and legacy API reasons
exports.toComparators = toComparators;
function toComparators (range, options) {
  return new Range(range, options).set.map(function (comp) {
    return comp.map(function (c) {
      return c.value
    }).join(' ').trim().split(' ')
  })
}

// comprised of xranges, tildes, stars, and gtlt's at this point.
// already replaced the hyphen ranges
// turn into a set of JUST comparators.
function parseComparator (comp, options) {
  debug('comp', comp, options);
  comp = replaceCarets(comp, options);
  debug('caret', comp);
  comp = replaceTildes(comp, options);
  debug('tildes', comp);
  comp = replaceXRanges(comp, options);
  debug('xrange', comp);
  comp = replaceStars(comp, options);
  debug('stars', comp);
  return comp
}

function isX (id) {
  return !id || id.toLowerCase() === 'x' || id === '*'
}

// ~, ~> --> * (any, kinda silly)
// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0
// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0
// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0
// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0
// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0
function replaceTildes (comp, options) {
  return comp.trim().split(/\s+/).map(function (comp) {
    return replaceTilde(comp, options)
  }).join(' ')
}

function replaceTilde (comp, options) {
  var r = options.loose ? re[t.TILDELOOSE] : re[t.TILDE];
  return comp.replace(r, function (_, M, m, p, pr) {
    debug('tilde', comp, _, M, m, p, pr);
    var ret;

    if (isX(M)) {
      ret = '';
    } else if (isX(m)) {
      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0';
    } else if (isX(p)) {
      // ~1.2 == >=1.2.0 <1.3.0
      ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0';
    } else if (pr) {
      debug('replaceTilde pr', pr);
      ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
            ' <' + M + '.' + (+m + 1) + '.0';
    } else {
      // ~1.2.3 == >=1.2.3 <1.3.0
      ret = '>=' + M + '.' + m + '.' + p +
            ' <' + M + '.' + (+m + 1) + '.0';
    }

    debug('tilde return', ret);
    return ret
  })
}

// ^ --> * (any, kinda silly)
// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0
// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0
// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0
// ^1.2.3 --> >=1.2.3 <2.0.0
// ^1.2.0 --> >=1.2.0 <2.0.0
function replaceCarets (comp, options) {
  return comp.trim().split(/\s+/).map(function (comp) {
    return replaceCaret(comp, options)
  }).join(' ')
}

function replaceCaret (comp, options) {
  debug('caret', comp, options);
  var r = options.loose ? re[t.CARETLOOSE] : re[t.CARET];
  return comp.replace(r, function (_, M, m, p, pr) {
    debug('caret', comp, _, M, m, p, pr);
    var ret;

    if (isX(M)) {
      ret = '';
    } else if (isX(m)) {
      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0';
    } else if (isX(p)) {
      if (M === '0') {
        ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0';
      } else {
        ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0';
      }
    } else if (pr) {
      debug('replaceCaret pr', pr);
      if (M === '0') {
        if (m === '0') {
          ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
                ' <' + M + '.' + m + '.' + (+p + 1);
        } else {
          ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
                ' <' + M + '.' + (+m + 1) + '.0';
        }
      } else {
        ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
              ' <' + (+M + 1) + '.0.0';
      }
    } else {
      debug('no pr');
      if (M === '0') {
        if (m === '0') {
          ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + m + '.' + (+p + 1);
        } else {
          ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + (+m + 1) + '.0';
        }
      } else {
        ret = '>=' + M + '.' + m + '.' + p +
              ' <' + (+M + 1) + '.0.0';
      }
    }

    debug('caret return', ret);
    return ret
  })
}

function replaceXRanges (comp, options) {
  debug('replaceXRanges', comp, options);
  return comp.split(/\s+/).map(function (comp) {
    return replaceXRange(comp, options)
  }).join(' ')
}

function replaceXRange (comp, options) {
  comp = comp.trim();
  var r = options.loose ? re[t.XRANGELOOSE] : re[t.XRANGE];
  return comp.replace(r, function (ret, gtlt, M, m, p, pr) {
    debug('xRange', comp, ret, gtlt, M, m, p, pr);
    var xM = isX(M);
    var xm = xM || isX(m);
    var xp = xm || isX(p);
    var anyX = xp;

    if (gtlt === '=' && anyX) {
      gtlt = '';
    }

    // if we're including prereleases in the match, then we need
    // to fix this to -0, the lowest possible prerelease value
    pr = options.includePrerelease ? '-0' : '';

    if (xM) {
      if (gtlt === '>' || gtlt === '<') {
        // nothing is allowed
        ret = '<0.0.0-0';
      } else {
        // nothing is forbidden
        ret = '*';
      }
    } else if (gtlt && anyX) {
      // we know patch is an x, because we have any x at all.
      // replace X with 0
      if (xm) {
        m = 0;
      }
      p = 0;

      if (gtlt === '>') {
        // >1 => >=2.0.0
        // >1.2 => >=1.3.0
        // >1.2.3 => >= 1.2.4
        gtlt = '>=';
        if (xm) {
          M = +M + 1;
          m = 0;
          p = 0;
        } else {
          m = +m + 1;
          p = 0;
        }
      } else if (gtlt === '<=') {
        // <=0.7.x is actually <0.8.0, since any 0.7.x should
        // pass.  Similarly, <=7.x is actually <8.0.0, etc.
        gtlt = '<';
        if (xm) {
          M = +M + 1;
        } else {
          m = +m + 1;
        }
      }

      ret = gtlt + M + '.' + m + '.' + p + pr;
    } else if (xm) {
      ret = '>=' + M + '.0.0' + pr + ' <' + (+M + 1) + '.0.0' + pr;
    } else if (xp) {
      ret = '>=' + M + '.' + m + '.0' + pr +
        ' <' + M + '.' + (+m + 1) + '.0' + pr;
    }

    debug('xRange return', ret);

    return ret
  })
}

// Because * is AND-ed with everything else in the comparator,
// and '' means "any version", just remove the *s entirely.
function replaceStars (comp, options) {
  debug('replaceStars', comp, options);
  // Looseness is ignored here.  star is always as loose as it gets!
  return comp.trim().replace(re[t.STAR], '')
}

// This function is passed to string.replace(re[t.HYPHENRANGE])
// M, m, patch, prerelease, build
// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do
// 1.2 - 3.4 => >=1.2.0 <3.5.0
function hyphenReplace ($0,
  from, fM, fm, fp, fpr, fb,
  to, tM, tm, tp, tpr, tb) {
  if (isX(fM)) {
    from = '';
  } else if (isX(fm)) {
    from = '>=' + fM + '.0.0';
  } else if (isX(fp)) {
    from = '>=' + fM + '.' + fm + '.0';
  } else {
    from = '>=' + from;
  }

  if (isX(tM)) {
    to = '';
  } else if (isX(tm)) {
    to = '<' + (+tM + 1) + '.0.0';
  } else if (isX(tp)) {
    to = '<' + tM + '.' + (+tm + 1) + '.0';
  } else if (tpr) {
    to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr;
  } else {
    to = '<=' + to;
  }

  return (from + ' ' + to).trim()
}

// if ANY of the sets match ALL of its comparators, then pass
Range.prototype.test = function (version) {
  if (!version) {
    return false
  }

  if (typeof version === 'string') {
    try {
      version = new SemVer(version, this.options);
    } catch (er) {
      return false
    }
  }

  for (var i = 0; i < this.set.length; i++) {
    if (testSet(this.set[i], version, this.options)) {
      return true
    }
  }
  return false
};

function testSet (set, version, options) {
  for (var i = 0; i < set.length; i++) {
    if (!set[i].test(version)) {
      return false
    }
  }

  if (version.prerelease.length && !options.includePrerelease) {
    // Find the set of versions that are allowed to have prereleases
    // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
    // That should allow `1.2.3-pr.2` to pass.
    // However, `1.2.4-alpha.notready` should NOT be allowed,
    // even though it's within the range set by the comparators.
    for (i = 0; i < set.length; i++) {
      debug(set[i].semver);
      if (set[i].semver === ANY) {
        continue
      }

      if (set[i].semver.prerelease.length > 0) {
        var allowed = set[i].semver;
        if (allowed.major === version.major &&
            allowed.minor === version.minor &&
            allowed.patch === version.patch) {
          return true
        }
      }
    }

    // Version has a -pre, but it's not one of the ones we like.
    return false
  }

  return true
}

exports.satisfies = satisfies;
function satisfies (version, range, options) {
  try {
    range = new Range(range, options);
  } catch (er) {
    return false
  }
  return range.test(version)
}

exports.maxSatisfying = maxSatisfying;
function maxSatisfying (versions, range, options) {
  var max = null;
  var maxSV = null;
  try {
    var rangeObj = new Range(range, options);
  } catch (er) {
    return null
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) {
      // satisfies(v, range, options)
      if (!max || maxSV.compare(v) === -1) {
        // compare(max, v, true)
        max = v;
        maxSV = new SemVer(max, options);
      }
    }
  });
  return max
}

exports.minSatisfying = minSatisfying;
function minSatisfying (versions, range, options) {
  var min = null;
  var minSV = null;
  try {
    var rangeObj = new Range(range, options);
  } catch (er) {
    return null
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) {
      // satisfies(v, range, options)
      if (!min || minSV.compare(v) === 1) {
        // compare(min, v, true)
        min = v;
        minSV = new SemVer(min, options);
      }
    }
  });
  return min
}

exports.minVersion = minVersion;
function minVersion (range, loose) {
  range = new Range(range, loose);

  var minver = new SemVer('0.0.0');
  if (range.test(minver)) {
    return minver
  }

  minver = new SemVer('0.0.0-0');
  if (range.test(minver)) {
    return minver
  }

  minver = null;
  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i];

    comparators.forEach(function (comparator) {
      // Clone to avoid manipulating the comparator's semver object.
      var compver = new SemVer(comparator.semver.version);
      switch (comparator.operator) {
        case '>':
          if (compver.prerelease.length === 0) {
            compver.patch++;
          } else {
            compver.prerelease.push(0);
          }
          compver.raw = compver.format();
          /* fallthrough */
        case '':
        case '>=':
          if (!minver || gt(minver, compver)) {
            minver = compver;
          }
          break
        case '<':
        case '<=':
          /* Ignore maximum versions */
          break
        /* istanbul ignore next */
        default:
          throw new Error('Unexpected operation: ' + comparator.operator)
      }
    });
  }

  if (minver && range.test(minver)) {
    return minver
  }

  return null
}

exports.validRange = validRange;
function validRange (range, options) {
  try {
    // Return '*' instead of '' so that truthiness works.
    // This will throw if it's invalid anyway
    return new Range(range, options).range || '*'
  } catch (er) {
    return null
  }
}

// Determine if version is less than all the versions possible in the range
exports.ltr = ltr;
function ltr (version, range, options) {
  return outside(version, range, '<', options)
}

// Determine if version is greater than all the versions possible in the range.
exports.gtr = gtr;
function gtr (version, range, options) {
  return outside(version, range, '>', options)
}

exports.outside = outside;
function outside (version, range, hilo, options) {
  version = new SemVer(version, options);
  range = new Range(range, options);

  var gtfn, ltefn, ltfn, comp, ecomp;
  switch (hilo) {
    case '>':
      gtfn = gt;
      ltefn = lte;
      ltfn = lt;
      comp = '>';
      ecomp = '>=';
      break
    case '<':
      gtfn = lt;
      ltefn = gte;
      ltfn = gt;
      comp = '<';
      ecomp = '<=';
      break
    default:
      throw new TypeError('Must provide a hilo val of "<" or ">"')
  }

  // If it satisifes the range it is not outside
  if (satisfies(version, range, options)) {
    return false
  }

  // From now on, variable terms are as if we're in "gtr" mode.
  // but note that everything is flipped for the "ltr" function.

  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i];

    var high = null;
    var low = null;

    comparators.forEach(function (comparator) {
      if (comparator.semver === ANY) {
        comparator = new Comparator('>=0.0.0');
      }
      high = high || comparator;
      low = low || comparator;
      if (gtfn(comparator.semver, high.semver, options)) {
        high = comparator;
      } else if (ltfn(comparator.semver, low.semver, options)) {
        low = comparator;
      }
    });

    // If the edge version comparator has a operator then our version
    // isn't outside it
    if (high.operator === comp || high.operator === ecomp) {
      return false
    }

    // If the lowest version comparator has an operator and our version
    // is less than it then it isn't higher than the range
    if ((!low.operator || low.operator === comp) &&
        ltefn(version, low.semver)) {
      return false
    } else if (low.operator === ecomp && ltfn(version, low.semver)) {
      return false
    }
  }
  return true
}

exports.prerelease = prerelease;
function prerelease (version, options) {
  var parsed = parse(version, options);
  return (parsed && parsed.prerelease.length) ? parsed.prerelease : null
}

exports.intersects = intersects;
function intersects (r1, r2, options) {
  r1 = new Range(r1, options);
  r2 = new Range(r2, options);
  return r1.intersects(r2)
}

exports.coerce = coerce;
function coerce (version, options) {
  if (version instanceof SemVer) {
    return version
  }

  if (typeof version === 'number') {
    version = String(version);
  }

  if (typeof version !== 'string') {
    return null
  }

  options = options || {};

  var match = null;
  if (!options.rtl) {
    match = version.match(re[t.COERCE]);
  } else {
    // Find the right-most coercible string that does not share
    // a terminus with a more left-ward coercible string.
    // Eg, '1.2.3.4' wants to coerce '2.3.4', not '3.4' or '4'
    //
    // Walk through the string checking with a /g regexp
    // Manually set the index so as to pick up overlapping matches.
    // Stop when we get a match that ends at the string end, since no
    // coercible string can be more right-ward without the same terminus.
    var next;
    while ((next = re[t.COERCERTL].exec(version)) &&
      (!match || match.index + match[0].length !== version.length)
    ) {
      if (!match ||
          next.index + next[0].length !== match.index + match[0].length) {
        match = next;
      }
      re[t.COERCERTL].lastIndex = next.index + next[1].length + next[2].length;
    }
    // leave it in a clean state
    re[t.COERCERTL].lastIndex = -1;
  }

  if (match === null) {
    return null
  }

  return parse(match[2] +
    '.' + (match[3] || '0') +
    '.' + (match[4] || '0'), options)
}
});
var semver_1 = semver.SEMVER_SPEC_VERSION;
var semver_2 = semver.re;
var semver_3 = semver.src;
var semver_4 = semver.tokens;
var semver_5 = semver.parse;
var semver_6 = semver.valid;
var semver_7 = semver.clean;
var semver_8 = semver.SemVer;
var semver_9 = semver.inc;
var semver_10 = semver.diff;
var semver_11 = semver.compareIdentifiers;
var semver_12 = semver.rcompareIdentifiers;
var semver_13 = semver.major;
var semver_14 = semver.minor;
var semver_15 = semver.patch;
var semver_16 = semver.compare;
var semver_17 = semver.compareLoose;
var semver_18 = semver.compareBuild;
var semver_19 = semver.rcompare;
var semver_20 = semver.sort;
var semver_21 = semver.rsort;
var semver_22 = semver.gt;
var semver_23 = semver.lt;
var semver_24 = semver.eq;
var semver_25 = semver.neq;
var semver_26 = semver.gte;
var semver_27 = semver.lte;
var semver_28 = semver.cmp;
var semver_29 = semver.Comparator;
var semver_30 = semver.Range;
var semver_31 = semver.toComparators;
var semver_32 = semver.satisfies;
var semver_33 = semver.maxSatisfying;
var semver_34 = semver.minSatisfying;
var semver_35 = semver.minVersion;
var semver_36 = semver.validRange;
var semver_37 = semver.ltr;
var semver_38 = semver.gtr;
var semver_39 = semver.outside;
var semver_40 = semver.prerelease;
var semver_41 = semver.intersects;
var semver_42 = semver.coerce;

const {promisify} = util;


const defaults = {
	mode: 0o777 & (~process.umask()),
	fs
};

const useNativeRecursiveOption = semver.satisfies(process.version, '>=10.12.0');

// https://github.com/nodejs/node/issues/8987
// https://github.com/libuv/libuv/pull/1088
const checkPath = pth => {
	if (process.platform === 'win32') {
		const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path.parse(pth).root, ''));

		if (pathHasInvalidWinCharacters) {
			const error = new Error(`Path contains invalid characters: ${pth}`);
			error.code = 'EINVAL';
			throw error;
		}
	}
};

const permissionError = pth => {
	// This replicates the exception of `fs.mkdir` with native the
	// `recusive` option when run on an invalid drive under Windows.
	const error = new Error(`operation not permitted, mkdir '${pth}'`);
	error.code = 'EPERM';
	error.errno = -4048;
	error.path = pth;
	error.syscall = 'mkdir';
	return error;
};

const makeDir = async (input, options) => {
	checkPath(input);
	options = {
		...defaults,
		...options
	};

	const mkdir = promisify(options.fs.mkdir);
	const stat = promisify(options.fs.stat);

	if (useNativeRecursiveOption && options.fs.mkdir === fs.mkdir) {
		const pth = path.resolve(input);

		await mkdir(pth, {
			mode: options.mode,
			recursive: true
		});

		return pth;
	}

	const make = async pth => {
		try {
			await mkdir(pth, options.mode);

			return pth;
		} catch (error) {
			if (error.code === 'EPERM') {
				throw error;
			}

			if (error.code === 'ENOENT') {
				if (path.dirname(pth) === pth) {
					throw permissionError(pth);
				}

				if (error.message.includes('null bytes')) {
					throw error;
				}

				await make(path.dirname(pth));

				return make(pth);
			}

			const stats = await stat(pth);
			if (!stats.isDirectory()) {
				throw error;
			}

			return pth;
		}
	};

	return make(path.resolve(input));
};

var makeDir_1 = makeDir;

var sync = (input, options) => {
	checkPath(input);
	options = {
		...defaults,
		...options
	};

	if (useNativeRecursiveOption && options.fs.mkdirSync === fs.mkdirSync) {
		const pth = path.resolve(input);

		fs.mkdirSync(pth, {
			mode: options.mode,
			recursive: true
		});

		return pth;
	}

	const make = pth => {
		try {
			options.fs.mkdirSync(pth, options.mode);
		} catch (error) {
			if (error.code === 'EPERM') {
				throw error;
			}

			if (error.code === 'ENOENT') {
				if (path.dirname(pth) === pth) {
					throw permissionError(pth);
				}

				if (error.message.includes('null bytes')) {
					throw error;
				}

				make(path.dirname(pth));
				return make(pth);
			}

			try {
				if (!options.fs.statSync(pth).isDirectory()) {
					throw new Error('The path is not a directory');
				}
			} catch (_) {
				throw error;
			}
		}

		return pth;
	};

	return make(path.resolve(input));
};
makeDir_1.sync = sync;

// Unique ID creation requires a high quality random # generator.  In node.js
// this is pretty straight-forward - we use the crypto API.



var rng = function nodeRNG() {
  return crypto.randomBytes(16);
};

/**
 * Convert array of 16 byte values to UUID string format of the form:
 * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
 */
var byteToHex = [];
for (var i = 0; i < 256; ++i) {
  byteToHex[i] = (i + 0x100).toString(16).substr(1);
}

function bytesToUuid(buf, offset) {
  var i = offset || 0;
  var bth = byteToHex;
  // join used to fix memory issue caused by concatenation: https://bugs.chromium.org/p/v8/issues/detail?id=3175#c4
  return ([bth[buf[i++]], bth[buf[i++]], 
	bth[buf[i++]], bth[buf[i++]], '-',
	bth[buf[i++]], bth[buf[i++]], '-',
	bth[buf[i++]], bth[buf[i++]], '-',
	bth[buf[i++]], bth[buf[i++]], '-',
	bth[buf[i++]], bth[buf[i++]],
	bth[buf[i++]], bth[buf[i++]],
	bth[buf[i++]], bth[buf[i++]]]).join('');
}

var bytesToUuid_1 = bytesToUuid;

// **`v1()` - Generate time-based UUID**
//
// Inspired by https://github.com/LiosK/UUID.js
// and http://docs.python.org/library/uuid.html

var _nodeId;
var _clockseq;

// Previous uuid creation time
var _lastMSecs = 0;
var _lastNSecs = 0;

// See https://github.com/broofa/node-uuid for API details
function v1(options, buf, offset) {
  var i = buf && offset || 0;
  var b = buf || [];

  options = options || {};
  var node = options.node || _nodeId;
  var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq;

  // node and clockseq need to be initialized to random values if they're not
  // specified.  We do this lazily to minimize issues related to insufficient
  // system entropy.  See #189
  if (node == null || clockseq == null) {
    var seedBytes = rng();
    if (node == null) {
      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
      node = _nodeId = [
        seedBytes[0] | 0x01,
        seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]
      ];
    }
    if (clockseq == null) {
      // Per 4.2.2, randomize (14 bit) clockseq
      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
    }
  }

  // UUID timestamps are 100 nano-second units since the Gregorian epoch,
  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
  var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime();

  // Per 4.2.1.2, use count of uuid's generated during the current clock
  // cycle to simulate higher resolution clock
  var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1;

  // Time since last uuid creation (in msecs)
  var dt = (msecs - _lastMSecs) + (nsecs - _lastNSecs)/10000;

  // Per 4.2.1.2, Bump clockseq on clock regression
  if (dt < 0 && options.clockseq === undefined) {
    clockseq = clockseq + 1 & 0x3fff;
  }

  // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
  // time interval
  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
    nsecs = 0;
  }

  // Per 4.2.1.2 Throw error if too many uuids are requested
  if (nsecs >= 10000) {
    throw new Error('uuid.v1(): Can\'t create more than 10M uuids/sec');
  }

  _lastMSecs = msecs;
  _lastNSecs = nsecs;
  _clockseq = clockseq;

  // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
  msecs += 12219292800000;

  // `time_low`
  var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
  b[i++] = tl >>> 24 & 0xff;
  b[i++] = tl >>> 16 & 0xff;
  b[i++] = tl >>> 8 & 0xff;
  b[i++] = tl & 0xff;

  // `time_mid`
  var tmh = (msecs / 0x100000000 * 10000) & 0xfffffff;
  b[i++] = tmh >>> 8 & 0xff;
  b[i++] = tmh & 0xff;

  // `time_high_and_version`
  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
  b[i++] = tmh >>> 16 & 0xff;

  // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
  b[i++] = clockseq >>> 8 | 0x80;

  // `clock_seq_low`
  b[i++] = clockseq & 0xff;

  // `node`
  for (var n = 0; n < 6; ++n) {
    b[i + n] = node[n];
  }

  return buf ? buf : bytesToUuid_1(b);
}

var v1_1 = v1;

function v4(options, buf, offset) {
  var i = buf && offset || 0;

  if (typeof(options) == 'string') {
    buf = options === 'binary' ? new Array(16) : null;
    options = null;
  }
  options = options || {};

  var rnds = options.random || (options.rng || rng)();

  // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
  rnds[6] = (rnds[6] & 0x0f) | 0x40;
  rnds[8] = (rnds[8] & 0x3f) | 0x80;

  // Copy bytes to buffer, if provided
  if (buf) {
    for (var ii = 0; ii < 16; ++ii) {
      buf[i + ii] = rnds[ii];
    }
  }

  return buf || bytesToUuid_1(rnds);
}

var v4_1 = v4;

var uuid = v4_1;
uuid.v1 = v1_1;
uuid.v4 = v4_1;

var uuid_1 = uuid;

const ID = '__RESOLVED_TMP_DIR__';

if (!commonjsGlobal[ID]) {
	Object.defineProperty(commonjsGlobal, ID, {
		value: fs.realpathSync(os.tmpdir())
	});
}

var tempDir = commonjsGlobal[ID];

const {promisify: promisify$1} = util;







const writeFileP = promisify$1(gracefulFs.writeFile);

const tempfile = filePath => path.join(tempDir, uuid_1.v4(), (filePath || ''));

const writeStream = async (filePath, fileContent) => new Promise((resolve, reject) => {
	const writable = gracefulFs.createWriteStream(filePath);

	fileContent
		.on('error', error => {
			// Be careful to reject before writable.end(), otherwise the writable's
			// 'finish' event will fire first and we will resolve the promise
			// before we reject it.
			reject(error);
			fileContent.unpipe(writable);
			writable.end();
		})
		.pipe(writable)
		.on('error', reject)
		.on('finish', resolve);
});

var tempWrite = async (fileContent, filePath) => {
	const tempPath = tempfile(filePath);
	const write = isStream_1(fileContent) ? writeStream : writeFileP;

	await makeDir_1(path.dirname(tempPath));
	await write(tempPath, fileContent);

	return tempPath;
};

var sync$1 = (fileContent, filePath) => {
	const tempPath = tempfile(filePath);

	makeDir_1.sync(path.dirname(tempPath));
	gracefulFs.writeFileSync(tempPath, fileContent);

	return tempPath;
};
tempWrite.sync = sync$1;

const urlSafeCharacters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._~'.split('');

const generateForCustomCharacters = (length, characters) => {
	// Generating entropy is faster than complex math operations, so we use the simplest way
	const characterCount = characters.length;
	const maxValidSelector = (Math.floor(0x10000 / characterCount) * characterCount) - 1; // Using values above this will ruin distribution when using modular division
	const entropyLength = 2 * Math.ceil(1.1 * length); // Generating a bit more than required so chances we need more than one pass will be really low
	let string = '';
	let stringLength = 0;

	while (stringLength < length) { // In case we had many bad values, which may happen for character sets of size above 0x8000 but close to it
		const entropy = crypto.randomBytes(entropyLength);
		let entropyPosition = 0;

		while (entropyPosition < entropyLength && stringLength < length) {
			const entropyValue = entropy.readUInt16LE(entropyPosition);
			entropyPosition += 2;
			if (entropyValue > maxValidSelector) { // Skip values which will ruin distribution when using modular division
				continue;
			}

			string += characters[entropyValue % characterCount];
			stringLength++;
		}
	}

	return string;
};

const allowedTypes = [
	undefined,
	'hex',
	'base64',
	'url-safe'
];

var cryptoRandomString = ({length, type, characters}) => {
	if (!(length >= 0 && Number.isFinite(length))) {
		throw new TypeError('Expected a `length` to be a non-negative finite number');
	}

	if (type !== undefined && characters !== undefined) {
		throw new TypeError('Expected either `type` or `characters`');
	}

	if (characters !== undefined && typeof characters !== 'string') {
		throw new TypeError('Expected `characters` to be string');
	}

	if (!allowedTypes.includes(type)) {
		throw new TypeError(`Unknown type: ${type}`);
	}

	if (type === undefined && characters === undefined) {
		type = 'hex';
	}

	if (type === 'hex' || (type === undefined && characters === undefined)) {
		return crypto.randomBytes(Math.ceil(length * 0.5)).toString('hex').slice(0, length); // Need 0.5 byte entropy per character
	}

	if (type === 'base64') {
		return crypto.randomBytes(Math.ceil(length * 0.75)).toString('base64').slice(0, length); // Need 0.75 byte of entropy per character
	}

	if (type === 'url-safe') {
		return generateForCustomCharacters(length, urlSafeCharacters);
	}

	if (characters.length === 0) {
		throw new TypeError('Expected `characters` string length to be greater than or equal to 1');
	}

	if (characters.length > 0x10000) {
		throw new TypeError('Expected `characters` string length to be less or equal to 65536');
	}

	return generateForCustomCharacters(length, characters.split(''));
};

var electronPositioner = class Positioner {
  constructor (browserWindow) {
    this.browserWindow = browserWindow;
    this.electronScreen = electron.screen;
  }

  _getCoords (position, trayPosition) {
    let screenSize = this._getScreenSize(trayPosition);
    let windowSize = this._getWindowSize();

    if (trayPosition === undefined) trayPosition = {};

    // Positions
    let positions = {
      trayLeft: {
        x: Math.floor(trayPosition.x),
        y: screenSize.y
      },
      trayBottomLeft: {
        x: Math.floor(trayPosition.x),
        y: Math.floor(screenSize.height - (windowSize[1] - screenSize.y))
      },
      trayRight: {
        x: Math.floor(trayPosition.x - (windowSize[0]) + trayPosition.width),
        y: screenSize.y
      },
      trayBottomRight: {
        x: Math.floor(trayPosition.x - (windowSize[0]) + trayPosition.width),
        y: Math.floor(screenSize.height - (windowSize[1] - screenSize.y))
      },
      trayCenter: {
        x: Math.floor(trayPosition.x - ((windowSize[0] / 2)) + (trayPosition.width / 2)),
        y: screenSize.y
      },
      trayBottomCenter: {
        x: Math.floor(trayPosition.x - ((windowSize[0] / 2)) + (trayPosition.width / 2)),
        y: Math.floor(screenSize.height - (windowSize[1] - screenSize.y))
      },
      topLeft: {
        x: screenSize.x,
        y: screenSize.y
      },
      topRight: {
        x: Math.floor(screenSize.x + (screenSize.width - windowSize[0])),
        y: screenSize.y
      },
      bottomLeft: {
        x: screenSize.x,
        y: Math.floor(screenSize.height - (windowSize[1] - screenSize.y))
      },
      bottomRight: {
        x: Math.floor(screenSize.x + (screenSize.width - windowSize[0])),
        y: Math.floor(screenSize.height - (windowSize[1] - screenSize.y))
      },
      topCenter: {
        x: Math.floor(screenSize.x + ((screenSize.width / 2) - (windowSize[0] / 2))),
        y: screenSize.y
      },
      bottomCenter: {
        x: Math.floor(screenSize.x + ((screenSize.width / 2) - (windowSize[0] / 2))),
        y: Math.floor(screenSize.height - (windowSize[1] - screenSize.y))
      },
      leftCenter: {
        x: screenSize.x,
        y: screenSize.y + Math.floor(screenSize.height / 2) - Math.floor(windowSize[1] / 2)
      },
      rightCenter: {
        x: Math.floor(screenSize.x + (screenSize.width - windowSize[0])),
        y: screenSize.y + Math.floor(screenSize.height / 2) - Math.floor(windowSize[1] / 2)
      },
      center: {
        x: Math.floor(screenSize.x + ((screenSize.width / 2) - (windowSize[0] / 2))),
        y: Math.floor(((screenSize.height + screenSize.y) / 2) - (windowSize[1] / 2))
      }
    };

    // Default to right if the window is bigger than the space left.
    // Because on Windows the window might get out of bounds and dissappear.
    if (position.substr(0, 4) === 'tray') {
      if ((positions[position].x + windowSize[0]) > (screenSize.width + screenSize.x)) {
        return {
          x: positions['topRight'].x,
          y: positions[position].y
        }
      }
    }

    return positions[position]
  }

  _getWindowSize () {
    return this.browserWindow.getSize()
  }

  _getScreenSize (trayPosition) {
    if (trayPosition) {
      return this.electronScreen.getDisplayMatching(trayPosition).workArea
    } else {
      return this.electronScreen.getDisplayNearestPoint(this.electronScreen.getCursorScreenPoint()).workArea
    }
  }

  move (position, trayPos) {
    // Get positions coords
    var coords = this._getCoords(position, trayPos);

    // Set the windows position
    this.browserWindow.setPosition(coords.x, coords.y);
  }

  calculate (position, trayPos) {
    // Get positions coords
    var coords = this._getCoords(position, trayPos);

    return {
      x: coords.x,
      y: coords.y
    }
  }
};

var styles_1 = createCommonjsModule(function (module) {
/*
The MIT License (MIT)

Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

*/

var styles = {};
module['exports'] = styles;

var codes = {
  reset: [0, 0],

  bold: [1, 22],
  dim: [2, 22],
  italic: [3, 23],
  underline: [4, 24],
  inverse: [7, 27],
  hidden: [8, 28],
  strikethrough: [9, 29],

  black: [30, 39],
  red: [31, 39],
  green: [32, 39],
  yellow: [33, 39],
  blue: [34, 39],
  magenta: [35, 39],
  cyan: [36, 39],
  white: [37, 39],
  gray: [90, 39],
  grey: [90, 39],

  bgBlack: [40, 49],
  bgRed: [41, 49],
  bgGreen: [42, 49],
  bgYellow: [43, 49],
  bgBlue: [44, 49],
  bgMagenta: [45, 49],
  bgCyan: [46, 49],
  bgWhite: [47, 49],

  // legacy styles for colors pre v1.0.0
  blackBG: [40, 49],
  redBG: [41, 49],
  greenBG: [42, 49],
  yellowBG: [43, 49],
  blueBG: [44, 49],
  magentaBG: [45, 49],
  cyanBG: [46, 49],
  whiteBG: [47, 49],

};

Object.keys(codes).forEach(function(key) {
  var val = codes[key];
  var style = styles[key] = [];
  style.open = '\u001b[' + val[0] + 'm';
  style.close = '\u001b[' + val[1] + 'm';
});
});

var hasFlag = function(flag, argv) {
  argv = argv || process.argv;

  var terminatorPos = argv.indexOf('--');
  var prefix = /^-{1,2}/.test(flag) ? '' : '--';
  var pos = argv.indexOf(prefix + flag);

  return pos !== -1 && (terminatorPos === -1 ? true : pos < terminatorPos);
};

var env$1 = process.env;

var forceColor = void 0;
if (hasFlag('no-color') || hasFlag('no-colors') || hasFlag('color=false')) {
  forceColor = false;
} else if (hasFlag('color') || hasFlag('colors') || hasFlag('color=true')
           || hasFlag('color=always')) {
  forceColor = true;
}
if ('FORCE_COLOR' in env$1) {
  forceColor = env$1.FORCE_COLOR.length === 0
    || parseInt(env$1.FORCE_COLOR, 10) !== 0;
}

function translateLevel(level) {
  if (level === 0) {
    return false;
  }

  return {
    level: level,
    hasBasic: true,
    has256: level >= 2,
    has16m: level >= 3,
  };
}

function supportsColor(stream) {
  if (forceColor === false) {
    return 0;
  }

  if (hasFlag('color=16m') || hasFlag('color=full')
      || hasFlag('color=truecolor')) {
    return 3;
  }

  if (hasFlag('color=256')) {
    return 2;
  }

  if (stream && !stream.isTTY && forceColor !== true) {
    return 0;
  }

  var min = forceColor ? 1 : 0;

  if (process.platform === 'win32') {
    // Node.js 7.5.0 is the first version of Node.js to include a patch to
    // libuv that enables 256 color output on Windows. Anything earlier and it
    // won't work. However, here we target Node.js 8 at minimum as it is an LTS
    // release, and Node.js 7 is not. Windows 10 build 10586 is the first
    // Windows release that supports 256 colors. Windows 10 build 14931 is the
    // first release that supports 16m/TrueColor.
    var osRelease = os.release().split('.');
    if (Number(process.versions.node.split('.')[0]) >= 8
        && Number(osRelease[0]) >= 10 && Number(osRelease[2]) >= 10586) {
      return Number(osRelease[2]) >= 14931 ? 3 : 2;
    }

    return 1;
  }

  if ('CI' in env$1) {
    if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI'].some(function(sign) {
      return sign in env$1;
    }) || env$1.CI_NAME === 'codeship') {
      return 1;
    }

    return min;
  }

  if ('TEAMCITY_VERSION' in env$1) {
    return (/^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env$1.TEAMCITY_VERSION) ? 1 : 0
    );
  }

  if ('TERM_PROGRAM' in env$1) {
    var version = parseInt((env$1.TERM_PROGRAM_VERSION || '').split('.')[0], 10);

    switch (env$1.TERM_PROGRAM) {
      case 'iTerm.app':
        return version >= 3 ? 3 : 2;
      case 'Hyper':
        return 3;
      case 'Apple_Terminal':
        return 2;
      // No default
    }
  }

  if (/-256(color)?$/i.test(env$1.TERM)) {
    return 2;
  }

  if (/^screen|^xterm|^vt100|^rxvt|color|ansi|cygwin|linux/i.test(env$1.TERM)) {
    return 1;
  }

  if ('COLORTERM' in env$1) {
    return 1;
  }

  if (env$1.TERM === 'dumb') {
    return min;
  }

  return min;
}

function getSupportLevel(stream) {
  var level = supportsColor(stream);
  return translateLevel(level);
}

var supportsColors = {
  supportsColor: getSupportLevel,
  stdout: getSupportLevel(process.stdout),
  stderr: getSupportLevel(process.stderr),
};

var trap = createCommonjsModule(function (module) {
module['exports'] = function runTheTrap(text, options) {
  var result = '';
  text = text || 'Run the trap, drop the bass';
  text = text.split('');
  var trap = {
    a: ['\u0040', '\u0104', '\u023a', '\u0245', '\u0394', '\u039b', '\u0414'],
    b: ['\u00df', '\u0181', '\u0243', '\u026e', '\u03b2', '\u0e3f'],
    c: ['\u00a9', '\u023b', '\u03fe'],
    d: ['\u00d0', '\u018a', '\u0500', '\u0501', '\u0502', '\u0503'],
    e: ['\u00cb', '\u0115', '\u018e', '\u0258', '\u03a3', '\u03be', '\u04bc',
      '\u0a6c'],
    f: ['\u04fa'],
    g: ['\u0262'],
    h: ['\u0126', '\u0195', '\u04a2', '\u04ba', '\u04c7', '\u050a'],
    i: ['\u0f0f'],
    j: ['\u0134'],
    k: ['\u0138', '\u04a0', '\u04c3', '\u051e'],
    l: ['\u0139'],
    m: ['\u028d', '\u04cd', '\u04ce', '\u0520', '\u0521', '\u0d69'],
    n: ['\u00d1', '\u014b', '\u019d', '\u0376', '\u03a0', '\u048a'],
    o: ['\u00d8', '\u00f5', '\u00f8', '\u01fe', '\u0298', '\u047a', '\u05dd',
      '\u06dd', '\u0e4f'],
    p: ['\u01f7', '\u048e'],
    q: ['\u09cd'],
    r: ['\u00ae', '\u01a6', '\u0210', '\u024c', '\u0280', '\u042f'],
    s: ['\u00a7', '\u03de', '\u03df', '\u03e8'],
    t: ['\u0141', '\u0166', '\u0373'],
    u: ['\u01b1', '\u054d'],
    v: ['\u05d8'],
    w: ['\u0428', '\u0460', '\u047c', '\u0d70'],
    x: ['\u04b2', '\u04fe', '\u04fc', '\u04fd'],
    y: ['\u00a5', '\u04b0', '\u04cb'],
    z: ['\u01b5', '\u0240'],
  };
  text.forEach(function(c) {
    c = c.toLowerCase();
    var chars = trap[c] || [' '];
    var rand = Math.floor(Math.random() * chars.length);
    if (typeof trap[c] !== 'undefined') {
      result += trap[c][rand];
    } else {
      result += c;
    }
  });
  return result;
};
});

var zalgo = createCommonjsModule(function (module) {
// please no
module['exports'] = function zalgo(text, options) {
  text = text || '   he is here   ';
  var soul = {
    'up': [
      '̍', '̎', '̄', '̅',
      '̿', '̑', '̆', '̐',
      '͒', '͗', '͑', '̇',
      '̈', '̊', '͂', '̓',
      '̈', '͊', '͋', '͌',
      '̃', '̂', '̌', '͐',
      '̀', '́', '̋', '̏',
      '̒', '̓', '̔', '̽',
      '̉', 'ͣ', 'ͤ', 'ͥ',
      'ͦ', 'ͧ', 'ͨ', 'ͩ',
      'ͪ', 'ͫ', 'ͬ', 'ͭ',
      'ͮ', 'ͯ', '̾', '͛',
      '͆', '̚',
    ],
    'down': [
      '̖', '̗', '̘', '̙',
      '̜', '̝', '̞', '̟',
      '̠', '̤', '̥', '̦',
      '̩', '̪', '̫', '̬',
      '̭', '̮', '̯', '̰',
      '̱', '̲', '̳', '̹',
      '̺', '̻', '̼', 'ͅ',
      '͇', '͈', '͉', '͍',
      '͎', '͓', '͔', '͕',
      '͖', '͙', '͚', '̣',
    ],
    'mid': [
      '̕', '̛', '̀', '́',
      '͘', '̡', '̢', '̧',
      '̨', '̴', '̵', '̶',
      '͜', '͝', '͞',
      '͟', '͠', '͢', '̸',
      '̷', '͡', ' ҉',
    ],
  };
  var all = [].concat(soul.up, soul.down, soul.mid);

  function randomNumber(range) {
    var r = Math.floor(Math.random() * range);
    return r;
  }

  function isChar(character) {
    var bool = false;
    all.filter(function(i) {
      bool = (i === character);
    });
    return bool;
  }


  function heComes(text, options) {
    var result = '';
    var counts;
    var l;
    options = options || {};
    options['up'] =
      typeof options['up'] !== 'undefined' ? options['up'] : true;
    options['mid'] =
      typeof options['mid'] !== 'undefined' ? options['mid'] : true;
    options['down'] =
      typeof options['down'] !== 'undefined' ? options['down'] : true;
    options['size'] =
      typeof options['size'] !== 'undefined' ? options['size'] : 'maxi';
    text = text.split('');
    for (l in text) {
      if (isChar(l)) {
        continue;
      }
      result = result + text[l];
      counts = {'up': 0, 'down': 0, 'mid': 0};
      switch (options.size) {
        case 'mini':
          counts.up = randomNumber(8);
          counts.mid = randomNumber(2);
          counts.down = randomNumber(8);
          break;
        case 'maxi':
          counts.up = randomNumber(16) + 3;
          counts.mid = randomNumber(4) + 1;
          counts.down = randomNumber(64) + 3;
          break;
        default:
          counts.up = randomNumber(8) + 1;
          counts.mid = randomNumber(6) / 2;
          counts.down = randomNumber(8) + 1;
          break;
      }

      var arr = ['up', 'mid', 'down'];
      for (var d in arr) {
        var index = arr[d];
        for (var i = 0; i <= counts[index]; i++) {
          if (options[index]) {
            result = result + soul[index][randomNumber(soul[index].length)];
          }
        }
      }
    }
    return result;
  }
  // don't summon him
  return heComes(text, options);
};
});

var america = createCommonjsModule(function (module) {
module['exports'] = function(colors) {
  return function(letter, i, exploded) {
    if (letter === ' ') return letter;
    switch (i%3) {
      case 0: return colors.red(letter);
      case 1: return colors.white(letter);
      case 2: return colors.blue(letter);
    }
  };
};
});

var zebra = createCommonjsModule(function (module) {
module['exports'] = function(colors) {
  return function(letter, i, exploded) {
    return i % 2 === 0 ? letter : colors.inverse(letter);
  };
};
});

var rainbow = createCommonjsModule(function (module) {
module['exports'] = function(colors) {
  // RoY G BiV
  var rainbowColors = ['red', 'yellow', 'green', 'blue', 'magenta'];
  return function(letter, i, exploded) {
    if (letter === ' ') {
      return letter;
    } else {
      return colors[rainbowColors[i++ % rainbowColors.length]](letter);
    }
  };
};
});

var random = createCommonjsModule(function (module) {
module['exports'] = function(colors) {
  var available = ['underline', 'inverse', 'grey', 'yellow', 'red', 'green',
    'blue', 'white', 'cyan', 'magenta'];
  return function(letter, i, exploded) {
    return letter === ' ' ? letter :
      colors[
          available[Math.round(Math.random() * (available.length - 2))]
      ](letter);
  };
};
});

var colors_1 = createCommonjsModule(function (module) {
/*

The MIT License (MIT)

Original Library
  - Copyright (c) Marak Squires

Additional functionality
 - Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

*/

var colors = {};
module['exports'] = colors;

colors.themes = {};


var ansiStyles = colors.styles = styles_1;
var defineProps = Object.defineProperties;
var newLineRegex = new RegExp(/[\r\n]+/g);

colors.supportsColor = supportsColors.supportsColor;

if (typeof colors.enabled === 'undefined') {
  colors.enabled = colors.supportsColor() !== false;
}

colors.enable = function() {
  colors.enabled = true;
};

colors.disable = function() {
  colors.enabled = false;
};

colors.stripColors = colors.strip = function(str) {
  return ('' + str).replace(/\x1B\[\d+m/g, '');
};

// eslint-disable-next-line no-unused-vars
var stylize = colors.stylize = function stylize(str, style) {
  if (!colors.enabled) {
    return str+'';
  }

  return ansiStyles[style].open + str + ansiStyles[style].close;
};

var matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
var escapeStringRegexp = function(str) {
  if (typeof str !== 'string') {
    throw new TypeError('Expected a string');
  }
  return str.replace(matchOperatorsRe, '\\$&');
};

function build(_styles) {
  var builder = function builder() {
    return applyStyle.apply(builder, arguments);
  };
  builder._styles = _styles;
  // __proto__ is used because we must return a function, but there is
  // no way to create a function with a different prototype.
  builder.__proto__ = proto;
  return builder;
}

var styles = (function() {
  var ret = {};
  ansiStyles.grey = ansiStyles.gray;
  Object.keys(ansiStyles).forEach(function(key) {
    ansiStyles[key].closeRe =
      new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g');
    ret[key] = {
      get: function() {
        return build(this._styles.concat(key));
      },
    };
  });
  return ret;
})();

var proto = defineProps(function colors() {}, styles);

function applyStyle() {
  var args = Array.prototype.slice.call(arguments);

  var str = args.map(function(arg) {
    if (arg !== undefined && arg.constructor === String) {
      return arg;
    } else {
      return util.inspect(arg);
    }
  }).join(' ');

  if (!colors.enabled || !str) {
    return str;
  }

  var newLinesPresent = str.indexOf('\n') != -1;

  var nestedStyles = this._styles;

  var i = nestedStyles.length;
  while (i--) {
    var code = ansiStyles[nestedStyles[i]];
    str = code.open + str.replace(code.closeRe, code.open) + code.close;
    if (newLinesPresent) {
      str = str.replace(newLineRegex, function(match) {
        return code.close + match + code.open;
      });
    }
  }

  return str;
}

colors.setTheme = function(theme) {
  if (typeof theme === 'string') {
    console.log('colors.setTheme now only accepts an object, not a string.  ' +
      'If you are trying to set a theme from a file, it is now your (the ' +
      'caller\'s) responsibility to require the file.  The old syntax ' +
      'looked like colors.setTheme(__dirname + ' +
      '\'/../themes/generic-logging.js\'); The new syntax looks like '+
      'colors.setTheme(require(__dirname + ' +
      '\'/../themes/generic-logging.js\'));');
    return;
  }
  for (var style in theme) {
    (function(style) {
      colors[style] = function(str) {
        if (typeof theme[style] === 'object') {
          var out = str;
          for (var i in theme[style]) {
            out = colors[theme[style][i]](out);
          }
          return out;
        }
        return colors[theme[style]](str);
      };
    })(style);
  }
};

function init() {
  var ret = {};
  Object.keys(styles).forEach(function(name) {
    ret[name] = {
      get: function() {
        return build([name]);
      },
    };
  });
  return ret;
}

var sequencer = function sequencer(map, str) {
  var exploded = str.split('');
  exploded = exploded.map(map);
  return exploded.join('');
};

// custom formatter methods
colors.trap = trap;
colors.zalgo = zalgo;

// maps
colors.maps = {};
colors.maps.america = america(colors);
colors.maps.zebra = zebra(colors);
colors.maps.rainbow = rainbow(colors);
colors.maps.random = random(colors);

for (var map in colors.maps) {
  (function(map) {
    colors[map] = function(str) {
      return sequencer(colors.maps[map], str);
    };
  })(map);
}

defineProps(colors, init());
});

var safe = createCommonjsModule(function (module) {
//
// Remark: Requiring this file will use the "safe" colors API,
// which will not touch String.prototype.
//
//   var colors = require('colors/safe');
//   colors.red("foo")
//
//

module['exports'] = colors_1;
});

// eslint-disable-next-line no-control-regex
const STRIP_COLORS_RE = /\u001b\[[0-9;]*m/g;

// Strip all ansi colors from a string.
var stripColors = function(str) {
    return str.replace(STRIP_COLORS_RE, '');
};

var utils = {
	stripColors: stripColors
};

/* eslint-disable wrap-iife */
// Module for pretty-formatting exceptions in HTML and Ascii.
//
// The functions in this module will parse JavaScript exceptions, identify which lines in the
// exception come from your application code (vs. exceptions from other modules in node_modules),
// and then format the exception to look pretty in HTML, or add ANSI color codes for display
// in a terminal.
//
// Example:
//
//     projectRoot = path.resolve(__dirname, "../..")
//
//     exceptionFormatter.formatHtml new Error("foo"), {
//         basepath: projectRoot
//     }
//



const { stripColors: stripColors$1 } = utils;

// Borrowed from ejs
const escapeHtml = html =>
    String(html)
        .replace(/&(?!\w+;)/g, '&amp;')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;');

// Line Types
const HEADER = 'header';
const SOURCE = 'source';
const OUR_SOURCE = 'our-source';
const UNKNOWN = 'unknown';
const DIVIDER = 'divider';

const HTML_INLINE_STYLES = {
    [OUR_SOURCE]: 'white-space:nowrap; font-weight:bold; color: #800',
    [SOURCE]: 'white-space:nowrap; color: #888',
    [DIVIDER]: 'white-space:nowrap; color: #000',
};

const DIVIDERS = [
    '    <<< async stack >>>', // streamline
    '    <<< raw stack >>>', // streamline
    '---------------------------------------------', // longjohn
];

// Given a line from an exception, returns the {filename, line, column} of the exception, or
// null if the line cannot be parsed.
const STACK_LINE_RE = /(\s*)at\s*([^\s]*)\s*\((.*?):(\d*):(\d*)\)/;
const STACK_LINE_NO_FN_RE = /(\s*)at\s*(.*?):(\d*):(\d*)/;

const isDefined = x => x !== null && x !== undefined;

function parseExceptionLine(line) {
    let match = STACK_LINE_RE.exec(line);
    if (match) {
        return {
            indent: match[1],
            fn: match[2],
            filename: match[3],
            line: match[4],
            column: match[5],
        };
    } else {
        match = STACK_LINE_NO_FN_RE.exec(line);
        if (match) {
            return { indent: match[1], filename: match[2], line: match[3], column: match[4] };
        } else {
            return null;
        }
    }
}

// Parses an exception into lines.
// Returns a collection of {line, type} objects.
//
// This function will call `String.replace(options.basepath, options.basepathReplacement)` on
// every source line.  This can be used to strip the project folder from file pathnames.
// `options.basepathReplacement` defaults to "./" if not specified.
//
function parseException(exception, options = {}) {
    let basepath = isDefined(options.basepath) ? options.basepath : process.cwd();

    // Add a trailing '/' to the basepath if it doesn't have one, because `__dirname` doesn't
    // have one.  Don't add the trailing '/' if it's a regex, because that's crazy talk.  :)
    if (typeof basepath === 'string' && !basepath.endsWith(path.sep)) {
        basepath += path.sep;
    }
    const basepathReplacement = isDefined(options.basepathReplacement)
        ? options.basepathReplacement
        : `.${path.sep}`;

    const exceptionText =
        typeof exception === 'string'
            ? exception
            : isDefined(exception.stack)
            ? exception.stack
            : `${exception}`;

    const value = stripColors$1(exceptionText);
    const lines = value.split('\n');

    let endOfHeader = false;
    return lines.map(function(line) {
        let filename, type;
        let parsed = null;

        // Figure out what kind of line each line is.
        if (DIVIDERS.includes(line)) {
            endOfHeader = true;
            type = DIVIDER;
        } else {
            parsed = parseExceptionLine(line);
            if (parsed) {
                ({ filename } = parsed);
                endOfHeader = true;
                type = SOURCE;
                if (
                    filename.indexOf('node_modules') === -1 &&
                    filename[typeof basepath === 'string' ? 'indexOf' : 'search'](basepath) !== -1
                ) {
                    type = OUR_SOURCE;
                }
            }
        }

        if (!endOfHeader && !type) {
            // Treat all the lines up to the first source line as header
            type = HEADER;
        }

        if (!type) {
            type = UNKNOWN;
        }

        // Strip out path names
        if ([SOURCE, OUR_SOURCE].includes(type)) {
            line = line.replace(basepath, basepathReplacement);
            parsed.filename = parsed.filename.replace(basepath, basepathReplacement);
        }

        return { line, parsed, type };
    });
}

// Formats an exception, line by line.
//
// * `lineFn({line, type})` should be a function which returns a string to use in place of the line.
//   `type` will be one of the type constants from the top of this file.
// * `options.maxLines` is the maximum number of lines to return.  0 or null for unlimited.
// * This function will call `String.replace(options.basepath, options.basepathReplacement)` on
//   every source line.  This can be used to strip the project folder from file pathnames.
//   `options.basepathReplacement` defaults to "./" if not specified.
//
const formatExceptionLines = function(exception, options, lineFn) {
    let lines = parseException(exception, options);
    const indent = (s) => {
        const indent = lines[lines.length -1].parsed && lines[lines.length -1].parsed.indent || '    ';
        return `${indent}${s}`;
    };

    if (isDefined(options.maxLines) && lines.length > options.maxLines) {
        lines = lines.slice(0, options.maxLines + 1);
        lines.push({ line: indent('[truncated]'), type: DIVIDER });
    }

    if (options.maxLines === 'auto') {
        let lastOwnedLine;
        for(let index = lines.length -1; index >= 0; index--) {
            if (lines[index].type === OUR_SOURCE) {
                lastOwnedLine = index;
                break;
            }
        }

        if (lastOwnedLine) {
            lines = lines.slice(0, lastOwnedLine + 1);
            lines.push({ line: indent('[truncated]'), type: DIVIDER });
        }
    }

    lines = lines.map(lineFn);

    return lines.join('\n');
};

const formatters = {
    // Format an exception as HTML.
    //
    // If `options.inlineStyle` is true, this will use inline styling for each line.
    // Otherwise each line will be given a CSS class ('hedaer', 'source', 'our-source', 'divider',
    // 'unknown').  Note that email generally will ignore CSS, so if you're emailing this exception,
    // inline stlying is a must.
    //
    html: function(exception, options = {}) {
        const html = formatExceptionLines(exception, options, function({ line, type }) {
            line = escapeHtml(line);

            const style = options.inlineStyle
                ? `style='${HTML_INLINE_STYLES[type] || ''}'`
                : `class=${type}`;

            // Use inline styles, since email doesn't support style sheets.
            switch (type) {
                case HEADER:
                    return `<h2 ${style}>${line}</h2>`;
                default:
                    return `<span ${style}>${line}</span><br />`;
            }
        });

        const style = options.inlineStyle ? "style='font-family: monospace'" : "class='exception'";
        return `<div ${style}>${html}</div>`;
    },

    ascii(exception, options = {}) {
        return formatExceptionLines(exception, options, function({ line, type }) {
            switch (type) {
                case OUR_SOURCE:
                    if (line[0] === ' ') {
                        return `*${line.slice(1)}`;
                    } else {
                        return line;
                    }
                default:
                    return line;
            }
        });
    },

    ansi: (function() {
        const colorizeLine = function(parsed) {
            const file = `${parsed.filename}:${parsed.line}:${parsed.column}`;
            if (isDefined(parsed.fn)) {
                return `${parsed.indent}at ${safe.magenta(parsed.fn)} (${safe.cyan(file)})`;
            } else {
                return `${parsed.indent}at (${safe.cyan(file)})`;
            }
        };
        return (exception, options = {}) =>
            formatExceptionLines(exception, options, function({ line, type, parsed }) {
                switch (type) {
                    case OUR_SOURCE:
                        if (isDefined(options.colors) ? options.colors : true) {
                            return safe.bold(colorizeLine(parsed));
                        } else {
                            return safe.bold(line);
                        }
                    // when SOURCE
                    //     colorizeLine(parsed)
                    default:
                        return line;
                }
            });
    })(),
};

//
// Parameters:
// * `options.format` - is one of "ansi", "ascii", "html".
// * This function will call `String.replace(options.basepath, options.basepathReplacement)` on
//   every source line.  This can be used to strip the project folder from file pathnames.
//   `options.basepathReplacement` defaults to "./" if not specified.
// * `options.maxLines` is the maximum number of stack trace lines to to print for an exception, 0
//   for unlimited.
//
var exceptionFormatter = function(exception, options = {}) {
    const format = isDefined(options.format) ? options.format : 'ascii';
    return formatters[format](exception, options);
};

var parseExceptionLine_1 = parseExceptionLine;
exceptionFormatter.parseExceptionLine = parseExceptionLine_1;

const { ipcMain, globalShortcut, app, BrowserWindow } = electron;






var isMac = process.platform === "darwin";

var alert = class Alert {
	constructor(head, devTools) {
		this.head = head;
		this.devTools = devTools;
		this.uid = cryptoRandomString({ length: 10 });
		this.browserWindow = null;
		this.position = "center";
		this._isVisible = false;
	}

	isVisible() {
		return this._isVisible;
	}

	enableButtons() {
		this.execJS(`Swal.enableButtons()`);
	}

	disableButtons() {
		this.execJS(`Swal.disableButtons()`);
	}

	showLoading() {
		this.execJS(`Swal.showLoading()`);
	}

	enableLoading() {
		this.showLoading();
	}

	hideLoading() {
		this.execJS(`Swal.hideLoading()`);
	}

	disableLoading() {
		this.hideLoading();
	}

	isLoading() {
		//: boolean
		return this.execJS(`Swal.isLoading()`);
	}

	clickConfirm() {
		//: void
		this.execJS(`Swal.clickConfirm()`);
	}

	clickCancel() {
		//: void
		this.execJS(`Swal.clickCancel()`);
	}

	showValidationMessage(validationMessage) {
		//: void
		this.execJS(
			`Swal.showValidationMessage('${validationMessage}')`,
			() => {
				if (this.browserWindow) {
					this.browserWindow.webContents.send(
						`${this.uid}resizeToFit`,
						25
					);
				}
			}
		);
	}

	resetValidationMessage() {
		//: void;
		this.execJS(`Swal.resetValidationMessage()`, () => {
			if (this.browserWindow) {
				this.browserWindow.webContents.send(
					`${this.uid}resizeToFit`,
					25
				);
			}
		});
	}

	disableInput() {
		//: void;
		this.execJS(`Swal.disableInput()`);
	}

	enableInput() {
		//: void;
		this.execJS(`Swal.enableInput()`);
	}

	getTimerLeft() {
		//: promise => number | undefined;
		return this.execJS(`Swal.getTimerLeft()`);
	}

	stopTimer() {
		//promise => number | undefined;
		return this.execJS(`Swal.stopTimer()`);
	}

	resumeTimer() {
		//: promise => number | undefined;
		return this.execJS(`Swal.resumeTimer()`);
	}

	toggleTimer() {
		//: promise => number | undefined;
		return this.execJS(`Swal.toggleTimer()`);
	}

	isTimerRunning() {
		//: promise => boolean | undefined;
		//method should be looked into / revisited
		return this.execJS(`Swal.isTimerRunning()`);
	}

	increaseTimer(
		n //: promise => number | undefined;
	) {
		return this.execJS(`Swal.increaseTimer(${n})`);
	}

	showProgressSteps() {
		//: void;
		this.execJS(`Swal.showProgressSteps()`);
	}

	hideProgressSteps() {
		//: void;
		this.execJS(`Swal.hideProgressSteps()`);
	}

	isValidParameter(
		paramName //: promise => boolean;
	) {
		return this.execJS(`Swal.isValidParameter('${paramName}')`);
	}

	isUpdatableParameter(
		paramName //: promise => boolean;
	) {
		return this.execJS(`isUpdatableParameter('${paramName}')`);
	}

	fireFrameless(swalOptions, parent, alwaysOnTop, draggable, sound, size) {
		let bwOptions = {
			frame: false,
			transparent: true,
			thickFrame: false,
			closable: false,
			backgroundColor: "#00000000",
			hasShadow: false
		};

		bwOptions = bwOptions;
		swalOptions.backdrop = `rgba(0,0,0,0.0)`;
		swalOptions.allowOutsideClick = false;

		if (size !== undefined) {
			if (size.hasOwnProperty("width")) {
				bwOptions.width = size.width;
			}
			if (size.hasOwnProperty("height")) {
				bwOptions.height = size.height;
			}
		}

		return this.fire(
			swalOptions,
			bwOptions,
			parent,
			alwaysOnTop,
			draggable,
			sound
		);
	}

	fireWithFrame(swalOptions, title, parent, alwaysOnTop, sound, size) {
		let bwOptions = {
			frame: true,
			transparent: false,
			thickFrame: true,
			closable: true,
			title: title ? title : app.getName()
		};

		bwOptions = bwOptions;
		swalOptions.allowOutsideClick = false;
		swalOptions.animation = false;

		if (size !== undefined) {
			if (size.hasOwnProperty("width")) {
				bwOptions.width = size.width;
			}
			if (size.hasOwnProperty("height")) {
				bwOptions.height = size.height;
			}
		}

		swalOptions.customClass = Object.assign(
			swalOptions.customClass ? swalOptions.customClass : {},
			{
				popup: "border-radius-0"
			}
		);

		return this.fire(swalOptions, bwOptions, parent, alwaysOnTop, sound);
	}

	static fireToast(swalOptions, sound, size) {
		// Animation: https://github.com/electron/electron/issues/2407
		// https://stackoverflow.com/questions/54413142/how-can-i-modify-sweetalert2s-toast-animation-settings

		//    let head = [
		//      `
		//          <style>
		// .swal2-show {
		//   animation: swal2-show 15s !important;
		// }
		//              </style>
		//      `
		//    ];

		let alert = new Alert();
		swalOptions.toast = true;
		// swalOptions.onOpen = el => {
		// alert.browserWindow.webContents.send(`${alert.uid}resizeToFit`, 25);
		// };

		let bwOptions = {};
		if (size !== undefined) {
			if (size.hasOwnProperty("width")) {
				bwOptions.width = size.width;
			}
			if (size.hasOwnProperty("height")) {
				bwOptions.height = size.height;
			}
		}

		let ret = alert.fireFrameless(
			swalOptions,
			bwOptions,
			true,
			false,
			sound
		);
		return ret;
	}

	fire(swalOptions, bwOptions, parent, alwaysOnTop, draggable, sound) {
		// Create a unique id
		let uid = this.uid,
			head = this.head;

		var bwOptionsBase = {
			width: 800,
			height: 600,
			resizable: false,
			minimizable: false,
			maximizable: false,
			fullscreen: false,
			fullscreenable: false,
			webPreferences: {
				nodeIntegration: true,
				devTools: this.devTools === true ? true : false
			}
		};

		var bwOptionsFinal = Object.assign(bwOptionsBase, bwOptions, {
			show: false
		});

		// Force these settings
		if (parent !== undefined && parent !== null) {
			bwOptionsFinal["parent"] = parent;
			bwOptionsFinal["modal"] = true;
		}
		bwOptionsFinal.webPreferences.nodeIntegration = true;
		bwOptionsFinal.skipTaskbar = true;

		if (alwaysOnTop !== undefined) {
			bwOptionsFinal["alwaysOnTop"] = alwaysOnTop;
		}

		if (draggable === true) {
			swalOptions.customClass = Object.assign(
				swalOptions.customClass ? swalOptions.customClass : {},
				{
					closeButton: "no-drag",
					confirmButton: "no-drag",
					cancelButton: "no-drag",
					input: "no-drag"
				}
			);
		}

		this.browserWindow = new BrowserWindow(bwOptionsFinal);

		let positions = {
			top: "topCenter",
			"top-start": "topLeft",
			"top-end": "topRight",
			center: "center",
			"center-start": "leftCenter",
			"center-end": "rightCenter",
			bottom: "bottomCenter",
			"bottom-start": "bottomLeft",
			"bottom-end": "bottomRight"
		};

		if (swalOptions.position) {
			this.position = positions[swalOptions.position] || "center";
			delete swalOptions.position;
		}

		new electronPositioner(this.browserWindow).move(this.position);

		let html = String.raw`
    <html>
      <head>
		<script type="text/javascript">!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.Sweetalert2=e()}(this,function(){"use strict";function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t,e){for(var n=0;n<e.length;n++){var o=e[n];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(t,o.key,o)}}function a(t,e,n){return e&&i(t.prototype,e),n&&i(t,n),t}function s(){return(s=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var o in n)Object.prototype.hasOwnProperty.call(n,o)&&(t[o]=n[o])}return t}).apply(this,arguments)}function u(t){return(u=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function c(t,e){return(c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function l(t,e,n){return(l=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],function(){})),!0}catch(t){return!1}}()?Reflect.construct:function(t,e,n){var o=[null];o.push.apply(o,e);var i=new(Function.bind.apply(t,o));return n&&c(i,n.prototype),i}).apply(null,arguments)}function d(t,e){return!e||"object"!=typeof e&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function p(t,e,n){return(p="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function(t,e,n){var o=function(t,e){for(;!Object.prototype.hasOwnProperty.call(t,e)&&null!==(t=u(t)););return t}(t,e);if(o){var i=Object.getOwnPropertyDescriptor(o,e);return i.get?i.get.call(n):i.value}})(t,e,n||t)}function f(e){return Object.keys(e).map(function(t){return e[t]})}function m(t){return Array.prototype.slice.call(t)}function g(t){console.error("".concat(e," ").concat(t))}function h(t,e){!function(t){-1===n.indexOf(t)&&(n.push(t),w(t))}('"'.concat(t,'" is deprecated and will be removed in the next major release. Please use "').concat(e,'" instead.'))}function v(t){return t&&Promise.resolve(t)===t}function t(t){var e={};for(var n in t)e[t[n]]="swal2-"+t[n];return e}function b(t,e){return t.classList.contains(e)}function y(t,e,n){if(function(e){m(e.classList).forEach(function(t){-1===f(x).indexOf(t)&&-1===f(S).indexOf(t)&&e.classList.remove(t)})}(t),e&&e[n]){if("string"!=typeof e[n]&&!e[n].forEach)return w("Invalid type of customClass.".concat(n,'! Expected string or iterable object, got "').concat(r(e[n]),'"'));rt(t,e[n])}}var e="SweetAlert2:",w=function(t){console.warn("".concat(e," ").concat(t))},n=[],C=function(t){return"function"==typeof t?t():t},k=Object.freeze({cancel:"cancel",backdrop:"backdrop",close:"close",esc:"esc",timer:"timer"}),x=t(["container","shown","height-auto","iosfix","popup","modal","no-backdrop","toast","toast-shown","toast-column","fade","show","hide","noanimation","close","title","header","content","actions","confirm","cancel","footer","icon","image","input","file","range","select","radio","checkbox","label","textarea","inputerror","validation-message","progress-steps","active-progress-step","progress-step","progress-step-line","loading","styled","top","top-start","top-end","top-left","top-right","center","center-start","center-end","center-left","center-right","bottom","bottom-start","bottom-end","bottom-left","bottom-right","grow-row","grow-column","grow-fullscreen","rtl"]),S=t(["success","warning","info","question","error"]),P={previousBodyPadding:null};function B(t,e){if(!e)return null;switch(e){case"select":case"textarea":case"file":return st(t,x[e]);case"checkbox":return t.querySelector(".".concat(x.checkbox," input"));case"radio":return t.querySelector(".".concat(x.radio," input:checked"))||t.querySelector(".".concat(x.radio," input:first-child"));case"range":return t.querySelector(".".concat(x.range," input"));default:return st(t,x.input)}}function A(t){if(t.focus(),"file"!==t.type){var e=t.value;t.value="",t.value=e}}function E(t,e,n){t&&e&&("string"==typeof e&&(e=e.split(/\s+/).filter(Boolean)),e.forEach(function(e){t.forEach?t.forEach(function(t){n?t.classList.add(e):t.classList.remove(e)}):n?t.classList.add(e):t.classList.remove(e)}))}function T(t,e,n){n||0===parseInt(n)?t.style[e]="number"==typeof n?n+"px":n:t.style.removeProperty(e)}function L(t,e){var n=1<arguments.length&&void 0!==e?e:"flex";t.style.opacity="",t.style.display=n}function O(t){t.style.opacity="",t.style.display="none"}function M(t,e,n){e?L(t,n):O(t)}function V(t){return!(!t||!(t.offsetWidth||t.offsetHeight||t.getClientRects().length))}function j(t){var e=window.getComputedStyle(t),n=parseFloat(e.getPropertyValue("animation-duration")||"0"),o=parseFloat(e.getPropertyValue("transition-duration")||"0");return 0<n||0<o}function H(){return document.body.querySelector("."+x.container)}function I(t){var e=H();return e?e.querySelector(t):null}function q(t){return I("."+t)}function R(){return q(x.popup)}function D(){var t=R();return m(t.querySelectorAll("."+x.icon))}function N(){var t=D().filter(function(t){return V(t)});return t.length?t[0]:null}function U(){return q(x.title)}function F(){return q(x.content)}function _(){return q(x.image)}function z(){return q(x["progress-steps"])}function W(){return q(x["validation-message"])}function K(){return I("."+x.actions+" ."+x.confirm)}function Z(){return I("."+x.actions+" ."+x.cancel)}function Q(){return q(x.actions)}function Y(){return q(x.header)}function $(){return q(x.footer)}function J(){return q(x.close)}function X(){var t=m(R().querySelectorAll('[tabindex]:not([tabindex="-1"]):not([tabindex="0"])')).sort(function(t,e){return t=parseInt(t.getAttribute("tabindex")),(e=parseInt(e.getAttribute("tabindex")))<t?1:t<e?-1:0}),e=m(R().querySelectorAll('\n  a[href],\n  area[href],\n  input:not([disabled]),\n  select:not([disabled]),\n  textarea:not([disabled]),\n  button:not([disabled]),\n  iframe,\n  object,\n  embed,\n  [tabindex="0"],\n  [contenteditable],\n  audio[controls],\n  video[controls],\n  summary\n')).filter(function(t){return"-1"!==t.getAttribute("tabindex")});return function(t){for(var e=[],n=0;n<t.length;n++)-1===e.indexOf(t[n])&&e.push(t[n]);return e}(t.concat(e)).filter(function(t){return V(t)})}function G(){return!ut()&&!document.body.classList.contains(x["no-backdrop"])}function tt(){return"undefined"==typeof window||"undefined"==typeof document}function et(t){Fe.isVisible()&&it!==t.target.value&&Fe.resetValidationMessage(),it=t.target.value}function nt(t,e){t instanceof 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      let _sound = ${JSON.stringify(sound)}
      let _config = ${JSON.stringify(swalOptions)}
		const{ipcRenderer:e,remote:o}=require("electron");let sound=_sound,config=_config,n=o.getCurrentWindow();config.onBeforeOpen=o=>{e.send("${uid}onBeforeOpen",o),e.on("${uid}showLoading",()=>Swal.showLoading()),void 0!==sound&&function(e,o,n){let i={C:[16.35,32.7,65.41,130.8,261.6,523.3,1047,2093,4186],"C#":[17.32,34.65,69.3,138.6,277.2,554.4,1109,2217,4435],D:[18.35,36.71,73.42,146.8,293.7,587.3,1175,2349,4699],Eb:[19.45,38.89,77.78,155.6,311.1,622.3,1245,2489,4978],E:[20.6,41.2,82.41,164.8,329.6,659.3,1319,2637,5274],F:[21.83,43.65,87.31,174.6,349.2,698.5,1397,2794,5588],"F#":[23.12,46.25,92.5,185,370,740,1480,2960,5920],G:[24.5,49,98,196,392,784,1568,3136,6272],"G#":[25.96,51.91,103.8,207.7,415.3,830.6,1661,3322,6645],A:[27.5,55,110,220,440,880,1760,3520,7040],Bb:[29.14,58.27,116.5,233.1,466.2,932.3,1865,3729,7459],B:[30.87,61.74,123.5,246.9,493.9,987.8,1976,3951,7902]};if(isNaN(o)){regexStr=o.match(/^(.+)([0-9])$/i);let e=regexStr[1].toUpperCase(),n=regexStr[2];o=i[e][n]}var t=new AudioContext,r=t.createOscillator(),d=t.createGain();r.type=e,r.connect(d),r.frequency.value=o,d.connect(t.destination),r.start(0),d.gain.exponentialRampToValueAtTime(1e-5,t.currentTime+n)}(sound.type,sound.freq,sound.duration)},config.onAfterClose=()=>{e.send("${uid}onAfterClose")},config.onOpen=o=>{let i=n.getSize()[1]-n.getContentSize()[1];o.parentNode.style.padding="0px 0px 0px 0px",window.resizeTo(o.scrollWidth,o.scrollHeight+i+1),e.send("${uid}reposition"),window.setTimeout(()=>{e.send("${uid}reposition")},25),e.send("${uid}onOpen",o),e.on("${uid}resizeToFit",e=>{void 0!==e?window.setTimeout(()=>{window.resizeTo(o.scrollWidth,o.scrollHeight+i+1)},e):window.resizeTo(o.scrollWidth,o.scrollHeight+i+1)}),e.on("${uid}hideLoading",()=>Swal.hideLoading())},config.onClose=o=>{e.send("${uid}onClose",o)},Swal.fire(config).then((function(o){e.send("${uid}return-promise",o)}));

		</script>
    </html>
    `;

		// Disable menu (and refresh shortcuts)
		this.browserWindow.removeMenu();

		// Save html
		let filepath = tempWrite.sync(html, "swal.html");

		this.browserWindow.loadURL("file://" + filepath);

		if (isMac) {
			// Disable Window Refresh (Cmd+R)
			this.browserWindow.on("focus", event => {
				globalShortcut.registerAll(
					["CommandOrControl+R", "CommandOrControl+Shift+R"],
					() => {}
				);
			});

			this.browserWindow.on("blur", event => {
				globalShortcut.unregister("CommandOrControl+R");
				globalShortcut.unregister("CommandOrControl+Shift+R");
			});
		}

		this.browserWindow.once("ready-to-show", () => {
			new electronPositioner(this.browserWindow).move(this.position);
			this.browserWindow.show();
		});

		// For debugging only. Remove ASAP.
		ipcMain.on(uid + "log", (event, arg) => {
			console.log("from renderer: ", arg);
		});

		ipcMain.on(uid + "reposition", (event, arg) => {
			new electronPositioner(this.browserWindow).move(this.position);
		});

		// Callbacks

		ipcMain.once(uid + "onBeforeOpen", (event, arg) => {
			if (swalOptions.hasOwnProperty("onBeforeOpen")) {
				swalOptions.onBeforeOpen(arg);
			}
		});

		ipcMain.once(uid + "onAfterClose", (event, arg) => {
			if (this.browserWindow) {
				this.browserWindow.destroy();
			}
		});

		ipcMain.once(uid + "onOpen", (event, arg) => {
			this._isVisible = true;
			if (swalOptions.hasOwnProperty("onOpen")) {
				swalOptions.onOpen(arg);
			}
		});

		let onCloseSignalSent = false;
		ipcMain.once(uid + "onClose", (event, arg) => {
			this._isVisible = false;
			onCloseSignalSent = true;
			if (swalOptions.hasOwnProperty("onClose")) {
				swalOptions.onClose(arg);
			}
		});

		this.browserWindow.once("close", () => {
			if (!onCloseSignalSent) {
				if (swalOptions.hasOwnProperty("onClose")) {
					swalOptions.onClose({});
				}
			}
		});

		this.browserWindow.once("closed", () => {
			fs.unlink(filepath, err => {});

			if (!this.browserWindow.isDestroyed()) {
				this.browserWindow.destroy();
			}
			this.browserWindow = null;

			// Send signal that browserWindow is closed
			ipcMain.emit(uid + "return-promise", undefined, {
				dismiss: "close"
			});

			if (swalOptions.hasOwnProperty("onAfterClose")) {
				swalOptions.onAfterClose();
			}

			if (isMac) {
				// Disable Window Refresh (Cmd+R)
				globalShortcut.unregister("CommandOrControl+R");
				globalShortcut.unregister("CommandOrControl+Shift+R");
			}

			// Remove all listeners
			ipcMain.removeAllListeners([
				uid + "log",
				uid + "onBeforeOpen",
				uid + "onAfterClose",
				uid + "onOpen",
				uid + "onClose",
				uid + "reposition",
				uid + "return-promise",
				uid + "resizeToFit"
			]);
		});

		return new Promise((resolve, reject) => {
			ipcMain.once(uid + "return-promise", (event, arg) => {
				resolve(arg);
			});
		});
	}

	execJS(javascript, callback) {
		if (this.browserWindow === null) {
			return new Promise(resolve => {
				resolve();
			});
		}

		return this.browserWindow.webContents.executeJavaScript(
			javascript,
			false,
			callback
		);
	}

	static uncaughtException(hideTrace, closure, alwaysOnTop) {
		return error => {
			let html = exceptionFormatter(error, {
				format: "html",
				inlineStyle: true
			});

			let alert = new Alert([], false);

			let swalOptions = {
				type: "error"
			};

			if (hideTrace !== true) {
				swalOptions.html = `
				<div contenteditable="false" style="overflow:auto">
				${html}
				</div>
				`;
			} else {
				swalOptions.title = error.message;
			}

			if (closure) {
				swalOptions["onAfterClose"] = () => {
					closure(error);
				};
			}

			alert.fireWithFrame(
				swalOptions,
				error.name,
				undefined,
				alwaysOnTop
			);

			// alert.fireFrameless(swalOptions, undefined, alwaysOnTop, true);
		};
	}
};

var main_go = createCommonjsModule(function (module) {
(function() {

Error.stackTraceLimit = Infinity;

var $global;
if (typeof window !== "undefined") { /* web page */
  $global = window;
} else if (typeof self !== "undefined") { /* web worker */
  $global = self;
} else if (typeof commonjsGlobal !== "undefined") { /* Node.js */
  $global = commonjsGlobal;
  $global.require = commonjsRequire;
} else { /* others (e.g. Nashorn) */
  $global = this;
}

if ($global === undefined || $global.Array === undefined) {
  throw new Error("no global object found");
}

var $packages = {}, $idCounter = 0;
var $keys = function(m) { return m ? Object.keys(m) : []; };
var $throwRuntimeError; /* set by package "runtime" */
var $throwNilPointerError = function() { $throwRuntimeError("invalid memory address or nil pointer dereference"); };

var $mapArray = function(array, f) {
  var newArray = new array.constructor(array.length);
  for (var i = 0; i < array.length; i++) {
    newArray[i] = f(array[i]);
  }
  return newArray;
};

var $sliceToArray = function(slice) {
  if (slice.$array.constructor !== Array) {
    return slice.$array.subarray(slice.$offset, slice.$offset + slice.$length);
  }
  return slice.$array.slice(slice.$offset, slice.$offset + slice.$length);
};

var $decodeRune = function(str, pos) {
  var c0 = str.charCodeAt(pos);

  if (c0 < 0x80) {
    return [c0, 1];
  }

  if (c0 !== c0 || c0 < 0xC0) {
    return [0xFFFD, 1];
  }

  var c1 = str.charCodeAt(pos + 1);
  if (c1 !== c1 || c1 < 0x80 || 0xC0 <= c1) {
    return [0xFFFD, 1];
  }

  if (c0 < 0xE0) {
    var r = (c0 & 0x1F) << 6 | (c1 & 0x3F);
    if (r <= 0x7F) {
      return [0xFFFD, 1];
    }
    return [r, 2];
  }

  var c2 = str.charCodeAt(pos + 2);
  if (c2 !== c2 || c2 < 0x80 || 0xC0 <= c2) {
    return [0xFFFD, 1];
  }

  if (c0 < 0xF0) {
    var r = (c0 & 0x0F) << 12 | (c1 & 0x3F) << 6 | (c2 & 0x3F);
    if (r <= 0x7FF) {
      return [0xFFFD, 1];
    }
    if (0xD800 <= r && r <= 0xDFFF) {
      return [0xFFFD, 1];
    }
    return [r, 3];
  }

  var c3 = str.charCodeAt(pos + 3);
  if (c3 !== c3 || c3 < 0x80 || 0xC0 <= c3) {
    return [0xFFFD, 1];
  }

  if (c0 < 0xF8) {
    var r = (c0 & 0x07) << 18 | (c1 & 0x3F) << 12 | (c2 & 0x3F) << 6 | (c3 & 0x3F);
    if (r <= 0xFFFF || 0x10FFFF < r) {
      return [0xFFFD, 1];
    }
    return [r, 4];
  }

  return [0xFFFD, 1];
};

var $encodeRune = function(r) {
  if (r < 0 || r > 0x10FFFF || (0xD800 <= r && r <= 0xDFFF)) {
    r = 0xFFFD;
  }
  if (r <= 0x7F) {
    return String.fromCharCode(r);
  }
  if (r <= 0x7FF) {
    return String.fromCharCode(0xC0 | r >> 6, 0x80 | (r & 0x3F));
  }
  if (r <= 0xFFFF) {
    return String.fromCharCode(0xE0 | r >> 12, 0x80 | (r >> 6 & 0x3F), 0x80 | (r & 0x3F));
  }
  return String.fromCharCode(0xF0 | r >> 18, 0x80 | (r >> 12 & 0x3F), 0x80 | (r >> 6 & 0x3F), 0x80 | (r & 0x3F));
};

var $copyArray = function(dst, src, dstOffset, srcOffset, n, elem) {
  if (n === 0 || (dst === src && dstOffset === srcOffset)) {
    return;
  }

  if (src.subarray) {
    dst.set(src.subarray(srcOffset, srcOffset + n), dstOffset);
    return;
  }

  switch (elem.kind) {
  case $kindArray:
  case $kindStruct:
    if (dst === src && dstOffset > srcOffset) {
      for (var i = n - 1; i >= 0; i--) {
        elem.copy(dst[dstOffset + i], src[srcOffset + i]);
      }
      return;
    }
    for (var i = 0; i < n; i++) {
      elem.copy(dst[dstOffset + i], src[srcOffset + i]);
    }
    return;
  }

  if (dst === src && dstOffset > srcOffset) {
    for (var i = n - 1; i >= 0; i--) {
      dst[dstOffset + i] = src[srcOffset + i];
    }
    return;
  }
  for (var i = 0; i < n; i++) {
    dst[dstOffset + i] = src[srcOffset + i];
  }
};
var $parseInt = parseInt;
var $parseFloat = function(f) {
  if (f !== undefined && f !== null && f.constructor === Number) {
    return f;
  }
  return parseFloat(f);
};

var $froundBuf = new Float32Array(1);
var $fround = Math.fround || function(f) {
  $froundBuf[0] = f;
  return $froundBuf[0];
};

var $floatKey = function(f) {
  if (f !== f) {
    $idCounter++;
    return "NaN$" + $idCounter;
  }
  return String(f);
};

var $flatten64 = function(x) {
  return x.$high * 4294967296 + x.$low;
};

var $div64 = function(x, y, returnRemainder) {
  if (y.$high === 0 && y.$low === 0) {
    $throwRuntimeError("integer divide by zero");
  }

  var s = 1;
  var rs = 1;

  var xHigh = x.$high;
  var xLow = x.$low;
  if (xHigh < 0) {
    s = -1;
    rs = -1;
    xHigh = -xHigh;
    if (xLow !== 0) {
      xHigh--;
      xLow = 4294967296 - xLow;
    }
  }

  var yHigh = y.$high;
  var yLow = y.$low;
  if (y.$high < 0) {
    s *= -1;
    yHigh = -yHigh;
    if (yLow !== 0) {
      yHigh--;
      yLow = 4294967296 - yLow;
    }
  }

  var high = 0, low = 0, n = 0;
  while (yHigh < 2147483648 && ((xHigh > yHigh) || (xHigh === yHigh && xLow > yLow))) {
    yHigh = (yHigh << 1 | yLow >>> 31) >>> 0;
    yLow = (yLow << 1) >>> 0;
    n++;
  }
  for (var i = 0; i <= n; i++) {
    high = high << 1 | low >>> 31;
    low = (low << 1) >>> 0;
    if ((xHigh > yHigh) || (xHigh === yHigh && xLow >= yLow)) {
      xHigh = xHigh - yHigh;
      xLow = xLow - yLow;
      if (xLow < 0) {
        xHigh--;
        xLow += 4294967296;
      }
      low++;
      if (low === 4294967296) {
        high++;
        low = 0;
      }
    }
    yLow = (yLow >>> 1 | yHigh << (32 - 1)) >>> 0;
    yHigh = yHigh >>> 1;
  }

  if (returnRemainder) {
    return new x.constructor(xHigh * rs, xLow * rs);
  }
  return new x.constructor(high * s, low * s);
};

var $kindBool = 1;
var $kindInt = 2;
var $kindInt8 = 3;
var $kindInt16 = 4;
var $kindInt32 = 5;
var $kindInt64 = 6;
var $kindUint = 7;
var $kindUint8 = 8;
var $kindUint16 = 9;
var $kindUint32 = 10;
var $kindUint64 = 11;
var $kindUintptr = 12;
var $kindFloat32 = 13;
var $kindFloat64 = 14;
var $kindComplex64 = 15;
var $kindComplex128 = 16;
var $kindArray = 17;
var $kindChan = 18;
var $kindFunc = 19;
var $kindInterface = 20;
var $kindMap = 21;
var $kindPtr = 22;
var $kindSlice = 23;
var $kindString = 24;
var $kindStruct = 25;
var $kindUnsafePointer = 26;

var $methodSynthesizers = [];
var $addMethodSynthesizer = function(f) {
  if ($methodSynthesizers === null) {
    f();
    return;
  }
  $methodSynthesizers.push(f);
};
var $synthesizeMethods = function() {
  $methodSynthesizers.forEach(function(f) { f(); });
  $methodSynthesizers = null;
};

var $ifaceKeyFor = function(x) {
  if (x === $ifaceNil) {
    return 'nil';
  }
  var c = x.constructor;
  return c.string + '$' + c.keyFor(x.$val);
};

var $identity = function(x) { return x; };

var $typeIDCounter = 0;

var $idKey = function(x) {
  if (x.$id === undefined) {
    $idCounter++;
    x.$id = $idCounter;
  }
  return String(x.$id);
};

var $newType = function(size, kind, string, named, pkg, exported, constructor) {
  var typ;
  switch(kind) {
  case $kindBool:
  case $kindInt:
  case $kindInt8:
  case $kindInt16:
  case $kindInt32:
  case $kindUint:
  case $kindUint8:
  case $kindUint16:
  case $kindUint32:
  case $kindUintptr:
  case $kindUnsafePointer:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.keyFor = $identity;
    break;

  case $kindString:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.keyFor = function(x) { return "$" + x; };
    break;

  case $kindFloat32:
  case $kindFloat64:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.keyFor = function(x) { return $floatKey(x); };
    break;

  case $kindInt64:
    typ = function(high, low) {
      this.$high = (high + Math.floor(Math.ceil(low) / 4294967296)) >> 0;
      this.$low = low >>> 0;
      this.$val = this;
    };
    typ.keyFor = function(x) { return x.$high + "$" + x.$low; };
    break;

  case $kindUint64:
    typ = function(high, low) {
      this.$high = (high + Math.floor(Math.ceil(low) / 4294967296)) >>> 0;
      this.$low = low >>> 0;
      this.$val = this;
    };
    typ.keyFor = function(x) { return x.$high + "$" + x.$low; };
    break;

  case $kindComplex64:
    typ = function(real, imag) {
      this.$real = $fround(real);
      this.$imag = $fround(imag);
      this.$val = this;
    };
    typ.keyFor = function(x) { return x.$real + "$" + x.$imag; };
    break;

  case $kindComplex128:
    typ = function(real, imag) {
      this.$real = real;
      this.$imag = imag;
      this.$val = this;
    };
    typ.keyFor = function(x) { return x.$real + "$" + x.$imag; };
    break;

  case $kindArray:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.ptr = $newType(4, $kindPtr, "*" + string, false, "", false, function(array) {
      this.$get = function() { return array; };
      this.$set = function(v) { typ.copy(this, v); };
      this.$val = array;
    });
    typ.init = function(elem, len) {
      typ.elem = elem;
      typ.len = len;
      typ.comparable = elem.comparable;
      typ.keyFor = function(x) {
        return Array.prototype.join.call($mapArray(x, function(e) {
          return String(elem.keyFor(e)).replace(/\\/g, "\\\\").replace(/\$/g, "\\$");
        }), "$");
      };
      typ.copy = function(dst, src) {
        $copyArray(dst, src, 0, 0, src.length, elem);
      };
      typ.ptr.init(typ);
      Object.defineProperty(typ.ptr.nil, "nilCheck", { get: $throwNilPointerError });
    };
    break;

  case $kindChan:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.keyFor = $idKey;
    typ.init = function(elem, sendOnly, recvOnly) {
      typ.elem = elem;
      typ.sendOnly = sendOnly;
      typ.recvOnly = recvOnly;
    };
    break;

  case $kindFunc:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.init = function(params, results, variadic) {
      typ.params = params;
      typ.results = results;
      typ.variadic = variadic;
      typ.comparable = false;
    };
    break;

  case $kindInterface:
    typ = { implementedBy: {}, missingMethodFor: {} };
    typ.keyFor = $ifaceKeyFor;
    typ.init = function(methods) {
      typ.methods = methods;
      methods.forEach(function(m) {
        $ifaceNil[m.prop] = $throwNilPointerError;
      });
    };
    break;

  case $kindMap:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.init = function(key, elem) {
      typ.key = key;
      typ.elem = elem;
      typ.comparable = false;
    };
    break;

  case $kindPtr:
    typ = constructor || function(getter, setter, target) {
      this.$get = getter;
      this.$set = setter;
      this.$target = target;
      this.$val = this;
    };
    typ.keyFor = $idKey;
    typ.init = function(elem) {
      typ.elem = elem;
      typ.wrapped = (elem.kind === $kindArray);
      typ.nil = new typ($throwNilPointerError, $throwNilPointerError);
    };
    break;

  case $kindSlice:
    typ = function(array) {
      if (array.constructor !== typ.nativeArray) {
        array = new typ.nativeArray(array);
      }
      this.$array = array;
      this.$offset = 0;
      this.$length = array.length;
      this.$capacity = array.length;
      this.$val = this;
    };
    typ.init = function(elem) {
      typ.elem = elem;
      typ.comparable = false;
      typ.nativeArray = $nativeArray(elem.kind);
      typ.nil = new typ([]);
    };
    break;

  case $kindStruct:
    typ = function(v) { this.$val = v; };
    typ.wrapped = true;
    typ.ptr = $newType(4, $kindPtr, "*" + string, false, pkg, exported, constructor);
    typ.ptr.elem = typ;
    typ.ptr.prototype.$get = function() { return this; };
    typ.ptr.prototype.$set = function(v) { typ.copy(this, v); };
    typ.init = function(pkgPath, fields) {
      typ.pkgPath = pkgPath;
      typ.fields = fields;
      fields.forEach(function(f) {
        if (!f.typ.comparable) {
          typ.comparable = false;
        }
      });
      typ.keyFor = function(x) {
        var val = x.$val;
        return $mapArray(fields, function(f) {
          return String(f.typ.keyFor(val[f.prop])).replace(/\\/g, "\\\\").replace(/\$/g, "\\$");
        }).join("$");
      };
      typ.copy = function(dst, src) {
        for (var i = 0; i < fields.length; i++) {
          var f = fields[i];
          switch (f.typ.kind) {
          case $kindArray:
          case $kindStruct:
            f.typ.copy(dst[f.prop], src[f.prop]);
            continue;
          default:
            dst[f.prop] = src[f.prop];
            continue;
          }
        }
      };
      /* nil value */
      var properties = {};
      fields.forEach(function(f) {
        properties[f.prop] = { get: $throwNilPointerError, set: $throwNilPointerError };
      });
      typ.ptr.nil = Object.create(constructor.prototype, properties);
      typ.ptr.nil.$val = typ.ptr.nil;
      /* methods for embedded fields */
      $addMethodSynthesizer(function() {
        var synthesizeMethod = function(target, m, f) {
          if (target.prototype[m.prop] !== undefined) { return; }
          target.prototype[m.prop] = function() {
            var v = this.$val[f.prop];
            if (f.typ === $jsObjectPtr) {
              v = new $jsObjectPtr(v);
            }
            if (v.$val === undefined) {
              v = new f.typ(v);
            }
            return v[m.prop].apply(v, arguments);
          };
        };
        fields.forEach(function(f) {
          if (f.embedded) {
            $methodSet(f.typ).forEach(function(m) {
              synthesizeMethod(typ, m, f);
              synthesizeMethod(typ.ptr, m, f);
            });
            $methodSet($ptrType(f.typ)).forEach(function(m) {
              synthesizeMethod(typ.ptr, m, f);
            });
          }
        });
      });
    };
    break;

  default:
    $panic(new $String("invalid kind: " + kind));
  }

  switch (kind) {
  case $kindBool:
  case $kindMap:
    typ.zero = function() { return false; };
    break;

  case $kindInt:
  case $kindInt8:
  case $kindInt16:
  case $kindInt32:
  case $kindUint:
  case $kindUint8 :
  case $kindUint16:
  case $kindUint32:
  case $kindUintptr:
  case $kindUnsafePointer:
  case $kindFloat32:
  case $kindFloat64:
    typ.zero = function() { return 0; };
    break;

  case $kindString:
    typ.zero = function() { return ""; };
    break;

  case $kindInt64:
  case $kindUint64:
  case $kindComplex64:
  case $kindComplex128:
    var zero = new typ(0, 0);
    typ.zero = function() { return zero; };
    break;

  case $kindPtr:
  case $kindSlice:
    typ.zero = function() { return typ.nil; };
    break;

  case $kindChan:
    typ.zero = function() { return $chanNil; };
    break;

  case $kindFunc:
    typ.zero = function() { return $throwNilPointerError; };
    break;

  case $kindInterface:
    typ.zero = function() { return $ifaceNil; };
    break;

  case $kindArray:
    typ.zero = function() {
      var arrayClass = $nativeArray(typ.elem.kind);
      if (arrayClass !== Array) {
        return new arrayClass(typ.len);
      }
      var array = new Array(typ.len);
      for (var i = 0; i < typ.len; i++) {
        array[i] = typ.elem.zero();
      }
      return array;
    };
    break;

  case $kindStruct:
    typ.zero = function() { return new typ.ptr(); };
    break;

  default:
    $panic(new $String("invalid kind: " + kind));
  }

  typ.id = $typeIDCounter;
  $typeIDCounter++;
  typ.size = size;
  typ.kind = kind;
  typ.string = string;
  typ.named = named;
  typ.pkg = pkg;
  typ.exported = exported;
  typ.methods = [];
  typ.methodSetCache = null;
  typ.comparable = true;
  return typ;
};

var $methodSet = function(typ) {
  if (typ.methodSetCache !== null) {
    return typ.methodSetCache;
  }
  var base = {};

  var isPtr = (typ.kind === $kindPtr);
  if (isPtr && typ.elem.kind === $kindInterface) {
    typ.methodSetCache = [];
    return [];
  }

  var current = [{typ: isPtr ? typ.elem : typ, indirect: isPtr}];

  var seen = {};

  while (current.length > 0) {
    var next = [];
    var mset = [];

    current.forEach(function(e) {
      if (seen[e.typ.string]) {
        return;
      }
      seen[e.typ.string] = true;

      if (e.typ.named) {
        mset = mset.concat(e.typ.methods);
        if (e.indirect) {
          mset = mset.concat($ptrType(e.typ).methods);
        }
      }

      switch (e.typ.kind) {
      case $kindStruct:
        e.typ.fields.forEach(function(f) {
          if (f.embedded) {
            var fTyp = f.typ;
            var fIsPtr = (fTyp.kind === $kindPtr);
            next.push({typ: fIsPtr ? fTyp.elem : fTyp, indirect: e.indirect || fIsPtr});
          }
        });
        break;

      case $kindInterface:
        mset = mset.concat(e.typ.methods);
        break;
      }
    });

    mset.forEach(function(m) {
      if (base[m.name] === undefined) {
        base[m.name] = m;
      }
    });

    current = next;
  }

  typ.methodSetCache = [];
  Object.keys(base).sort().forEach(function(name) {
    typ.methodSetCache.push(base[name]);
  });
  return typ.methodSetCache;
};

var $Bool          = $newType( 1, $kindBool,          "bool",           true, "", false, null);
var $Int           = $newType( 4, $kindInt,           "int",            true, "", false, null);
var $Int8          = $newType( 1, $kindInt8,          "int8",           true, "", false, null);
var $Int16         = $newType( 2, $kindInt16,         "int16",          true, "", false, null);
var $Int32         = $newType( 4, $kindInt32,         "int32",          true, "", false, null);
var $Int64         = $newType( 8, $kindInt64,         "int64",          true, "", false, null);
var $Uint          = $newType( 4, $kindUint,          "uint",           true, "", false, null);
var $Uint8         = $newType( 1, $kindUint8,         "uint8",          true, "", false, null);
var $Uint16        = $newType( 2, $kindUint16,        "uint16",         true, "", false, null);
var $Uint32        = $newType( 4, $kindUint32,        "uint32",         true, "", false, null);
var $Uint64        = $newType( 8, $kindUint64,        "uint64",         true, "", false, null);
var $Uintptr       = $newType( 4, $kindUintptr,       "uintptr",        true, "", false, null);
var $Float32       = $newType( 4, $kindFloat32,       "float32",        true, "", false, null);
var $Float64       = $newType( 8, $kindFloat64,       "float64",        true, "", false, null);
var $Complex64     = $newType( 8, $kindComplex64,     "complex64",      true, "", false, null);
var $Complex128    = $newType(16, $kindComplex128,    "complex128",     true, "", false, null);
var $String        = $newType( 8, $kindString,        "string",         true, "", false, null);
var $UnsafePointer = $newType( 4, $kindUnsafePointer, "unsafe.Pointer", true, "", false, null);

var $nativeArray = function(elemKind) {
  switch (elemKind) {
  case $kindInt:
    return Int32Array;
  case $kindInt8:
    return Int8Array;
  case $kindInt16:
    return Int16Array;
  case $kindInt32:
    return Int32Array;
  case $kindUint:
    return Uint32Array;
  case $kindUint8:
    return Uint8Array;
  case $kindUint16:
    return Uint16Array;
  case $kindUint32:
    return Uint32Array;
  case $kindUintptr:
    return Uint32Array;
  case $kindFloat32:
    return Float32Array;
  case $kindFloat64:
    return Float64Array;
  default:
    return Array;
  }
};
var $Chan = function(elem, capacity) {
  if (capacity < 0 || capacity > 2147483647) {
    $throwRuntimeError("makechan: size out of range");
  }
  this.$elem = elem;
  this.$capacity = capacity;
  this.$buffer = [];
  this.$sendQueue = [];
  this.$recvQueue = [];
  this.$closed = false;
};
var $chanNil = new $Chan(null, 0);
$chanNil.$sendQueue = $chanNil.$recvQueue = { length: 0, push: function() {}, shift: function() { return undefined; }, indexOf: function() { return -1; } };

var $funcTypes = {};
var $funcType = function(params, results, variadic) {
  var typeKey = $mapArray(params, function(p) { return p.id; }).join(",") + "$" + $mapArray(results, function(r) { return r.id; }).join(",") + "$" + variadic;
  var typ = $funcTypes[typeKey];
  if (typ === undefined) {
    var paramTypes = $mapArray(params, function(p) { return p.string; });
    if (variadic) {
      paramTypes[paramTypes.length - 1] = "..." + paramTypes[paramTypes.length - 1].substr(2);
    }
    var string = "func(" + paramTypes.join(", ") + ")";
    if (results.length === 1) {
      string += " " + results[0].string;
    } else if (results.length > 1) {
      string += " (" + $mapArray(results, function(r) { return r.string; }).join(", ") + ")";
    }
    typ = $newType(4, $kindFunc, string, false, "", false, null);
    $funcTypes[typeKey] = typ;
    typ.init(params, results, variadic);
  }
  return typ;
};

var $interfaceTypes = {};
var $interfaceType = function(methods) {
  var typeKey = $mapArray(methods, function(m) { return m.pkg + "," + m.name + "," + m.typ.id; }).join("$");
  var typ = $interfaceTypes[typeKey];
  if (typ === undefined) {
    var string = "interface {}";
    if (methods.length !== 0) {
      string = "interface { " + $mapArray(methods, function(m) {
        return (m.pkg !== "" ? m.pkg + "." : "") + m.name + m.typ.string.substr(4);
      }).join("; ") + " }";
    }
    typ = $newType(8, $kindInterface, string, false, "", false, null);
    $interfaceTypes[typeKey] = typ;
    typ.init(methods);
  }
  return typ;
};
var $emptyInterface = $interfaceType([]);
var $ifaceNil = {};
var $error = $newType(8, $kindInterface, "error", true, "", false, null);
$error.init([{prop: "Error", name: "Error", pkg: "", typ: $funcType([], [$String], false)}]);

var $mapTypes = {};
var $mapType = function(key, elem) {
  var typeKey = key.id + "$" + elem.id;
  var typ = $mapTypes[typeKey];
  if (typ === undefined) {
    typ = $newType(4, $kindMap, "map[" + key.string + "]" + elem.string, false, "", false, null);
    $mapTypes[typeKey] = typ;
    typ.init(key, elem);
  }
  return typ;
};
var $makeMap = function(keyForFunc, entries) {
  var m = {};
  for (var i = 0; i < entries.length; i++) {
    var e = entries[i];
    m[keyForFunc(e.k)] = e;
  }
  return m;
};

var $ptrType = function(elem) {
  var typ = elem.ptr;
  if (typ === undefined) {
    typ = $newType(4, $kindPtr, "*" + elem.string, false, "", elem.exported, null);
    elem.ptr = typ;
    typ.init(elem);
  }
  return typ;
};

var $sliceType = function(elem) {
  var typ = elem.slice;
  if (typ === undefined) {
    typ = $newType(12, $kindSlice, "[]" + elem.string, false, "", false, null);
    elem.slice = typ;
    typ.init(elem);
  }
  return typ;
};

var $assertType = function(value, type, returnTuple) {
  var isInterface = (type.kind === $kindInterface), ok, missingMethod = "";
  if (value === $ifaceNil) {
    ok = false;
  } else if (!isInterface) {
    ok = value.constructor === type;
  } else {
    var valueTypeString = value.constructor.string;
    ok = type.implementedBy[valueTypeString];
    if (ok === undefined) {
      ok = true;
      var valueMethodSet = $methodSet(value.constructor);
      var interfaceMethods = type.methods;
      for (var i = 0; i < interfaceMethods.length; i++) {
        var tm = interfaceMethods[i];
        var found = false;
        for (var j = 0; j < valueMethodSet.length; j++) {
          var vm = valueMethodSet[j];
          if (vm.name === tm.name && vm.pkg === tm.pkg && vm.typ === tm.typ) {
            found = true;
            break;
          }
        }
        if (!found) {
          ok = false;
          type.missingMethodFor[valueTypeString] = tm.name;
          break;
        }
      }
      type.implementedBy[valueTypeString] = ok;
    }
    if (!ok) {
      missingMethod = type.missingMethodFor[valueTypeString];
    }
  }

  if (!ok) {
    if (returnTuple) {
      return [type.zero(), false];
    }
    $panic(new $packages["runtime"].TypeAssertionError.ptr(
      $packages["runtime"]._type.ptr.nil,
      (value === $ifaceNil ? $packages["runtime"]._type.ptr.nil : new $packages["runtime"]._type.ptr(value.constructor.string)),
      new $packages["runtime"]._type.ptr(type.string),
      missingMethod));
  }

  if (!isInterface) {
    value = value.$val;
  }
  if (type === $jsObjectPtr) {
    value = value.object;
  }
  return returnTuple ? [value, true] : value;
};

var $stackDepthOffset = 0;
var $getStackDepth = function() {
  var err = new Error();
  if (err.stack === undefined) {
    return undefined;
  }
  return $stackDepthOffset + err.stack.split("\n").length;
};

var $panicStackDepth = null;
var $callDeferred = function(deferred, jsErr, fromPanic) {
  if (!fromPanic && deferred !== null && deferred.index >= $curGoroutine.deferStack.length) {
    throw jsErr;
  }
  if (jsErr !== null) {
    var newErr = null;
    try {
      $curGoroutine.deferStack.push(deferred);
      $panic(new $jsErrorPtr(jsErr));
    } catch (err) {
      newErr = err;
    }
    $curGoroutine.deferStack.pop();
    $callDeferred(deferred, newErr);
    return;
  }
  if ($curGoroutine.asleep) {
    return;
  }

  $stackDepthOffset--;
  var outerPanicStackDepth = $panicStackDepth;

  var localPanicValue = $curGoroutine.panicStack.pop();
  if (localPanicValue !== undefined) {
    $panicStackDepth = $getStackDepth();
  }

  try {
    while (true) {
      if (deferred === null) {
        deferred = $curGoroutine.deferStack[$curGoroutine.deferStack.length - 1];
        if (deferred === undefined) {
          /* The panic reached the top of the stack. Clear it and throw it as a JavaScript error. */
          $panicStackDepth = null;
          if (localPanicValue.Object instanceof Error) {
            throw localPanicValue.Object;
          }
          var msg;
          if (localPanicValue.constructor === $String) {
            msg = localPanicValue.$val;
          } else if (localPanicValue.Error !== undefined) {
            msg = localPanicValue.Error();
          } else if (localPanicValue.String !== undefined) {
            msg = localPanicValue.String();
          } else {
            msg = localPanicValue;
          }
          throw new Error(msg);
        }
      }
      var call = deferred.pop();
      if (call === undefined) {
        $curGoroutine.deferStack.pop();
        if (localPanicValue !== undefined) {
          deferred = null;
          continue;
        }
        return;
      }
      var r = call[0].apply(call[2], call[1]);
      if (r && r.$blk !== undefined) {
        deferred.push([r.$blk, [], r]);
        if (fromPanic) {
          throw null;
        }
        return;
      }

      if (localPanicValue !== undefined && $panicStackDepth === null) {
        throw null; /* error was recovered */
      }
    }
  } finally {
    if (localPanicValue !== undefined) {
      if ($panicStackDepth !== null) {
        $curGoroutine.panicStack.push(localPanicValue);
      }
      $panicStackDepth = outerPanicStackDepth;
    }
    $stackDepthOffset++;
  }
};

var $panic = function(value) {
  $curGoroutine.panicStack.push(value);
  $callDeferred(null, null, true);
};

var $noGoroutine = { asleep: false, exit: false, deferStack: [], panicStack: [] };
var $curGoroutine = $noGoroutine, $awakeGoroutines = 0, $checkForDeadlock = true;
var $mainFinished = false;
var $go = function(fun, args) {
  $awakeGoroutines++;
  var $goroutine = function() {
    try {
      $curGoroutine = $goroutine;
      var r = fun.apply(undefined, args);
      if (r && r.$blk !== undefined) {
        fun = function() { return r.$blk(); };
        args = [];
        return;
      }
      $goroutine.exit = true;
    } catch (err) {
      if (!$goroutine.exit) {
        throw err;
      }
    } finally {
      $curGoroutine = $noGoroutine;
      if ($goroutine.exit) { /* also set by runtime.Goexit() */
        $goroutine.asleep = true;
      }
      if ($goroutine.asleep) {
        $awakeGoroutines--;
        if (!$mainFinished && $awakeGoroutines === 0 && $checkForDeadlock) {
          console.error("fatal error: all goroutines are asleep - deadlock!");
          if ($global.process !== undefined) {
            $global.process.exit(2);
          }
        }
      }
    }
  };
  $goroutine.asleep = false;
  $goroutine.exit = false;
  $goroutine.deferStack = [];
  $goroutine.panicStack = [];
  $schedule($goroutine);
};

var $scheduled = [];
var $runScheduled = function() {
  try {
    var r;
    while ((r = $scheduled.shift()) !== undefined) {
      r();
    }
  } finally {
    if ($scheduled.length > 0) {
      setTimeout($runScheduled, 0);
    }
  }
};

var $schedule = function(goroutine) {
  if (goroutine.asleep) {
    goroutine.asleep = false;
    $awakeGoroutines++;
  }
  $scheduled.push(goroutine);
  if ($curGoroutine === $noGoroutine) {
    $runScheduled();
  }
};

var $jsObjectPtr, $jsErrorPtr;

var $needsExternalization = function(t) {
  switch (t.kind) {
    case $kindBool:
    case $kindInt:
    case $kindInt8:
    case $kindInt16:
    case $kindInt32:
    case $kindUint:
    case $kindUint8:
    case $kindUint16:
    case $kindUint32:
    case $kindUintptr:
    case $kindFloat32:
    case $kindFloat64:
      return false;
    default:
      return t !== $jsObjectPtr;
  }
};

var $externalize = function(v, t) {
  if (t === $jsObjectPtr) {
    return v;
  }
  switch (t.kind) {
  case $kindBool:
  case $kindInt:
  case $kindInt8:
  case $kindInt16:
  case $kindInt32:
  case $kindUint:
  case $kindUint8:
  case $kindUint16:
  case $kindUint32:
  case $kindUintptr:
  case $kindFloat32:
  case $kindFloat64:
    return v;
  case $kindInt64:
  case $kindUint64:
    return $flatten64(v);
  case $kindArray:
    if ($needsExternalization(t.elem)) {
      return $mapArray(v, function(e) { return $externalize(e, t.elem); });
    }
    return v;
  case $kindFunc:
    return $externalizeFunction(v, t, false);
  case $kindInterface:
    if (v === $ifaceNil) {
      return null;
    }
    if (v.constructor === $jsObjectPtr) {
      return v.$val.object;
    }
    return $externalize(v.$val, v.constructor);
  case $kindMap:
    var m = {};
    var keys = $keys(v);
    for (var i = 0; i < keys.length; i++) {
      var entry = v[keys[i]];
      m[$externalize(entry.k, t.key)] = $externalize(entry.v, t.elem);
    }
    return m;
  case $kindPtr:
    if (v === t.nil) {
      return null;
    }
    return $externalize(v.$get(), t.elem);
  case $kindSlice:
    if ($needsExternalization(t.elem)) {
      return $mapArray($sliceToArray(v), function(e) { return $externalize(e, t.elem); });
    }
    return $sliceToArray(v);
  case $kindString:
    if ($isASCII(v)) {
      return v;
    }
    var s = "", r;
    for (var i = 0; i < v.length; i += r[1]) {
      r = $decodeRune(v, i);
      var c = r[0];
      if (c > 0xFFFF) {
        var h = Math.floor((c - 0x10000) / 0x400) + 0xD800;
        var l = (c - 0x10000) % 0x400 + 0xDC00;
        s += String.fromCharCode(h, l);
        continue;
      }
      s += String.fromCharCode(c);
    }
    return s;
  case $kindStruct:
    var timePkg = $packages["time"];
    if (timePkg !== undefined && v.constructor === timePkg.Time.ptr) {
      var milli = $div64(v.UnixNano(), new $Int64(0, 1000000));
      return new Date($flatten64(milli));
    }

    var noJsObject = {};
    var searchJsObject = function(v, t) {
      if (t === $jsObjectPtr) {
        return v;
      }
      switch (t.kind) {
      case $kindPtr:
        if (v === t.nil) {
          return noJsObject;
        }
        return searchJsObject(v.$get(), t.elem);
      case $kindStruct:
        var f = t.fields[0];
        return searchJsObject(v[f.prop], f.typ);
      case $kindInterface:
        return searchJsObject(v.$val, v.constructor);
      default:
        return noJsObject;
      }
    };
    var o = searchJsObject(v, t);
    if (o !== noJsObject) {
      return o;
    }

    o = {};
    for (var i = 0; i < t.fields.length; i++) {
      var f = t.fields[i];
      if (!f.exported) {
        continue;
      }
      o[f.name] = $externalize(v[f.prop], f.typ);
    }
    return o;
  }
  $throwRuntimeError("cannot externalize " + t.string);
};

var $externalizeFunction = function(v, t, passThis) {
  if (v === $throwNilPointerError) {
    return null;
  }
  if (v.$externalizeWrapper === undefined) {
    $checkForDeadlock = false;
    v.$externalizeWrapper = function() {
      var args = [];
      for (var i = 0; i < t.params.length; i++) {
        if (t.variadic && i === t.params.length - 1) {
          var vt = t.params[i].elem, varargs = [];
          for (var j = i; j < arguments.length; j++) {
            varargs.push($internalize(arguments[j], vt));
          }
          args.push(new (t.params[i])(varargs));
          break;
        }
        args.push($internalize(arguments[i], t.params[i]));
      }
      var result = v.apply(passThis ? this : undefined, args);
      switch (t.results.length) {
      case 0:
        return;
      case 1:
        return $externalize(result, t.results[0]);
      default:
        for (var i = 0; i < t.results.length; i++) {
          result[i] = $externalize(result[i], t.results[i]);
        }
        return result;
      }
    };
  }
  return v.$externalizeWrapper;
};

var $internalize = function(v, t, recv) {
  if (t === $jsObjectPtr) {
    return v;
  }
  if (t === $jsObjectPtr.elem) {
    $throwRuntimeError("cannot internalize js.Object, use *js.Object instead");
  }
  if (v && v.__internal_object__ !== undefined) {
    return $assertType(v.__internal_object__, t, false);
  }
  var timePkg = $packages["time"];
  switch (t.kind) {
  case $kindBool:
    return !!v;
  case $kindInt:
    return parseInt(v);
  case $kindInt8:
    return parseInt(v) << 24 >> 24;
  case $kindInt16:
    return parseInt(v) << 16 >> 16;
  case $kindInt32:
    return parseInt(v) >> 0;
  case $kindUint:
    return parseInt(v);
  case $kindUint8:
    return parseInt(v) << 24 >>> 24;
  case $kindUint16:
    return parseInt(v) << 16 >>> 16;
  case $kindUint32:
  case $kindUintptr:
    return parseInt(v) >>> 0;
  case $kindInt64:
  case $kindUint64:
    return new t(0, v);
  case $kindFloat32:
  case $kindFloat64:
    return parseFloat(v);
  case $kindArray:
    if (v.length !== t.len) {
      $throwRuntimeError("got array with wrong size from JavaScript native");
    }
    return $mapArray(v, function(e) { return $internalize(e, t.elem); });
  case $kindFunc:
    return function() {
      var args = [];
      for (var i = 0; i < t.params.length; i++) {
        if (t.variadic && i === t.params.length - 1) {
          var vt = t.params[i].elem, varargs = arguments[i];
          for (var j = 0; j < varargs.$length; j++) {
            args.push($externalize(varargs.$array[varargs.$offset + j], vt));
          }
          break;
        }
        args.push($externalize(arguments[i], t.params[i]));
      }
      var result = v.apply(recv, args);
      switch (t.results.length) {
      case 0:
        return;
      case 1:
        return $internalize(result, t.results[0]);
      default:
        for (var i = 0; i < t.results.length; i++) {
          result[i] = $internalize(result[i], t.results[i]);
        }
        return result;
      }
    };
  case $kindInterface:
    if (t.methods.length !== 0) {
      $throwRuntimeError("cannot internalize " + t.string);
    }
    if (v === null) {
      return $ifaceNil;
    }
    if (v === undefined) {
      return new $jsObjectPtr(undefined);
    }
    switch (v.constructor) {
    case Int8Array:
      return new ($sliceType($Int8))(v);
    case Int16Array:
      return new ($sliceType($Int16))(v);
    case Int32Array:
      return new ($sliceType($Int))(v);
    case Uint8Array:
      return new ($sliceType($Uint8))(v);
    case Uint16Array:
      return new ($sliceType($Uint16))(v);
    case Uint32Array:
      return new ($sliceType($Uint))(v);
    case Float32Array:
      return new ($sliceType($Float32))(v);
    case Float64Array:
      return new ($sliceType($Float64))(v);
    case Array:
      return $internalize(v, $sliceType($emptyInterface));
    case Boolean:
      return new $Bool(!!v);
    case Date:
      {
        /* time package is not present, internalize as &js.Object{Date} so it can be externalized into original Date. */
        return new $jsObjectPtr(v);
      }
      return new timePkg.Time($internalize(v, timePkg.Time));
    case Function:
      var funcType = $funcType([$sliceType($emptyInterface)], [$jsObjectPtr], true);
      return new funcType($internalize(v, funcType));
    case Number:
      return new $Float64(parseFloat(v));
    case String:
      return new $String($internalize(v, $String));
    default:
      if ($global.Node && v instanceof $global.Node) {
        return new $jsObjectPtr(v);
      }
      var mapType = $mapType($String, $emptyInterface);
      return new mapType($internalize(v, mapType));
    }
  case $kindMap:
    var m = {};
    var keys = $keys(v);
    for (var i = 0; i < keys.length; i++) {
      var k = $internalize(keys[i], t.key);
      m[t.key.keyFor(k)] = { k: k, v: $internalize(v[keys[i]], t.elem) };
    }
    return m;
  case $kindPtr:
    if (t.elem.kind === $kindStruct) {
      return $internalize(v, t.elem);
    }
  case $kindSlice:
    return new t($mapArray(v, function(e) { return $internalize(e, t.elem); }));
  case $kindString:
    v = String(v);
    if ($isASCII(v)) {
      return v;
    }
    var s = "";
    var i = 0;
    while (i < v.length) {
      var h = v.charCodeAt(i);
      if (0xD800 <= h && h <= 0xDBFF) {
        var l = v.charCodeAt(i + 1);
        var c = (h - 0xD800) * 0x400 + l - 0xDC00 + 0x10000;
        s += $encodeRune(c);
        i += 2;
        continue;
      }
      s += $encodeRune(h);
      i++;
    }
    return s;
  case $kindStruct:
    var noJsObject = {};
    var searchJsObject = function(t) {
      if (t === $jsObjectPtr) {
        return v;
      }
      if (t === $jsObjectPtr.elem) {
        $throwRuntimeError("cannot internalize js.Object, use *js.Object instead");
      }
      switch (t.kind) {
      case $kindPtr:
        return searchJsObject(t.elem);
      case $kindStruct:
        var f = t.fields[0];
        var o = searchJsObject(f.typ);
        if (o !== noJsObject) {
          var n = new t.ptr();
          n[f.prop] = o;
          return n;
        }
        return noJsObject;
      default:
        return noJsObject;
      }
    };
    var o = searchJsObject(t);
    if (o !== noJsObject) {
      return o;
    }
  }
  $throwRuntimeError("cannot internalize " + t.string);
};

/* $isASCII reports whether string s contains only ASCII characters. */
var $isASCII = function(s) {
  for (var i = 0; i < s.length; i++) {
    if (s.charCodeAt(i) >= 128) {
      return false;
    }
  }
  return true;
};

$packages["github.com/gopherjs/gopherjs/js"] = (function() {
	var $pkg = {}, $init, Object, Error, M, sliceType, ptrType, ptrType$1, init;
	Object = $pkg.Object = $newType(0, $kindStruct, "js.Object", true, "github.com/gopherjs/gopherjs/js", true, function(object_) {
		this.$val = this;
		if (arguments.length === 0) {
			this.object = null;
			return;
		}
		this.object = object_;
	});
	Error = $pkg.Error = $newType(0, $kindStruct, "js.Error", true, "github.com/gopherjs/gopherjs/js", true, function(Object_) {
		this.$val = this;
		if (arguments.length === 0) {
			this.Object = null;
			return;
		}
		this.Object = Object_;
	});
	M = $pkg.M = $newType(4, $kindMap, "js.M", true, "github.com/gopherjs/gopherjs/js", true, null);
	sliceType = $sliceType($emptyInterface);
	ptrType = $ptrType(Object);
	ptrType$1 = $ptrType(Error);
	Object.ptr.prototype.Get = function(key) {
		var key, o;
		o = this;
		return o.object[$externalize(key, $String)];
	};
	Object.prototype.Get = function(key) { return this.$val.Get(key); };
	Object.ptr.prototype.Set = function(key, value) {
		var key, o, value;
		o = this;
		o.object[$externalize(key, $String)] = $externalize(value, $emptyInterface);
	};
	Object.prototype.Set = function(key, value) { return this.$val.Set(key, value); };
	Object.ptr.prototype.Delete = function(key) {
		var key, o;
		o = this;
		delete o.object[$externalize(key, $String)];
	};
	Object.prototype.Delete = function(key) { return this.$val.Delete(key); };
	Object.ptr.prototype.Length = function() {
		var o;
		o = this;
		return $parseInt(o.object.length);
	};
	Object.prototype.Length = function() { return this.$val.Length(); };
	Object.ptr.prototype.Index = function(i) {
		var i, o;
		o = this;
		return o.object[i];
	};
	Object.prototype.Index = function(i) { return this.$val.Index(i); };
	Object.ptr.prototype.SetIndex = function(i, value) {
		var i, o, value;
		o = this;
		o.object[i] = $externalize(value, $emptyInterface);
	};
	Object.prototype.SetIndex = function(i, value) { return this.$val.SetIndex(i, value); };
	Object.ptr.prototype.Call = function(name, args) {
		var args, name, o, obj;
		o = this;
		return (obj = o.object, obj[$externalize(name, $String)].apply(obj, $externalize(args, sliceType)));
	};
	Object.prototype.Call = function(name, args) { return this.$val.Call(name, args); };
	Object.ptr.prototype.Invoke = function(args) {
		var args, o;
		o = this;
		return o.object.apply(undefined, $externalize(args, sliceType));
	};
	Object.prototype.Invoke = function(args) { return this.$val.Invoke(args); };
	Object.ptr.prototype.New = function(args) {
		var args, o;
		o = this;
		return new ($global.Function.prototype.bind.apply(o.object, [undefined].concat($externalize(args, sliceType))));
	};
	Object.prototype.New = function(args) { return this.$val.New(args); };
	Object.ptr.prototype.Bool = function() {
		var o;
		o = this;
		return !!(o.object);
	};
	Object.prototype.Bool = function() { return this.$val.Bool(); };
	Object.ptr.prototype.String = function() {
		var o;
		o = this;
		return $internalize(o.object, $String);
	};
	Object.prototype.String = function() { return this.$val.String(); };
	Object.ptr.prototype.Int = function() {
		var o;
		o = this;
		return $parseInt(o.object) >> 0;
	};
	Object.prototype.Int = function() { return this.$val.Int(); };
	Object.ptr.prototype.Int64 = function() {
		var o;
		o = this;
		return $internalize(o.object, $Int64);
	};
	Object.prototype.Int64 = function() { return this.$val.Int64(); };
	Object.ptr.prototype.Uint64 = function() {
		var o;
		o = this;
		return $internalize(o.object, $Uint64);
	};
	Object.prototype.Uint64 = function() { return this.$val.Uint64(); };
	Object.ptr.prototype.Float = function() {
		var o;
		o = this;
		return $parseFloat(o.object);
	};
	Object.prototype.Float = function() { return this.$val.Float(); };
	Object.ptr.prototype.Interface = function() {
		var o;
		o = this;
		return $internalize(o.object, $emptyInterface);
	};
	Object.prototype.Interface = function() { return this.$val.Interface(); };
	Object.ptr.prototype.Unsafe = function() {
		var o;
		o = this;
		return o.object;
	};
	Object.prototype.Unsafe = function() { return this.$val.Unsafe(); };
	Error.ptr.prototype.Error = function() {
		var err;
		err = this;
		return "JavaScript error: " + $internalize(err.Object.message, $String);
	};
	Error.prototype.Error = function() { return this.$val.Error(); };
	Error.ptr.prototype.Stack = function() {
		var err;
		err = this;
		return $internalize(err.Object.stack, $String);
	};
	Error.prototype.Stack = function() { return this.$val.Stack(); };
	init = function() {
		var e;
		e = new Error.ptr(null);
	};
	ptrType.methods = [{prop: "Get", name: "Get", pkg: "", typ: $funcType([$String], [ptrType], false)}, {prop: "Set", name: "Set", pkg: "", typ: $funcType([$String, $emptyInterface], [], false)}, {prop: "Delete", name: "Delete", pkg: "", typ: $funcType([$String], [], false)}, {prop: "Length", name: "Length", pkg: "", typ: $funcType([], [$Int], false)}, {prop: "Index", name: "Index", pkg: "", typ: $funcType([$Int], [ptrType], false)}, {prop: "SetIndex", name: "SetIndex", pkg: "", typ: $funcType([$Int, $emptyInterface], [], false)}, {prop: "Call", name: "Call", pkg: "", typ: $funcType([$String, sliceType], [ptrType], true)}, {prop: "Invoke", name: "Invoke", pkg: "", typ: $funcType([sliceType], [ptrType], true)}, {prop: "New", name: "New", pkg: "", typ: $funcType([sliceType], [ptrType], true)}, {prop: "Bool", name: "Bool", pkg: "", typ: $funcType([], [$Bool], false)}, {prop: "String", name: "String", pkg: "", typ: $funcType([], [$String], false)}, {prop: "Int", name: "Int", pkg: "", typ: $funcType([], [$Int], false)}, {prop: "Int64", name: "Int64", pkg: "", typ: $funcType([], [$Int64], false)}, {prop: "Uint64", name: "Uint64", pkg: "", typ: $funcType([], [$Uint64], false)}, {prop: "Float", name: "Float", pkg: "", typ: $funcType([], [$Float64], false)}, {prop: "Interface", name: "Interface", pkg: "", typ: $funcType([], [$emptyInterface], false)}, {prop: "Unsafe", name: "Unsafe", pkg: "", typ: $funcType([], [$Uintptr], false)}];
	ptrType$1.methods = [{prop: "Error", name: "Error", pkg: "", typ: $funcType([], [$String], false)}, {prop: "Stack", name: "Stack", pkg: "", typ: $funcType([], [$String], false)}];
	Object.init("github.com/gopherjs/gopherjs/js", [{prop: "object", name: "object", embedded: false, exported: false, typ: ptrType, tag: ""}]);
	Error.init("", [{prop: "Object", name: "Object", embedded: true, exported: true, typ: ptrType, tag: ""}]);
	M.init($String, $emptyInterface);
	$init = function() {
		$pkg.$init = function() {};
		/* */ var $f, $s = 0, $r; if (this !== undefined && this.$blk !== undefined) { $f = this; $s = $f.$s; $r = $f.$r; } s: while (true) { switch ($s) { case 0:
		init();
		/* */ } return; } if ($f === undefined) { $f = { $blk: $init }; } $f.$s = $s; $f.$r = $r; return $f;
	};
	$pkg.$init = $init;
	return $pkg;
})();
$packages["internal/cpu"] = (function() {
	var $pkg = {}, $init;
	$init = function() {
		$pkg.$init = function() {};
		/* */ var $f, $s = 0, $r; if (this !== undefined && this.$blk !== undefined) { $f = this; $s = $f.$s; $r = $f.$r; } s: while (true) { return; } if ($f === undefined) { $f = { $blk: $init }; } $f.$s = $s; $f.$r = $r; return $f;
	};
	$pkg.$init = $init;
	return $pkg;
})();
$packages["internal/bytealg"] = (function() {
	var $pkg = {}, $init, cpu;
	cpu = $packages["internal/cpu"];
	$init = function() {
		$pkg.$init = function() {};
		/* */ var $f, $c = false, $s = 0, $r; if (this !== undefined && this.$blk !== undefined) { $f = this; $c = true; $s = $f.$s; $r = $f.$r; } s: while (true) { switch ($s) { case 0:
		$r = cpu.$init(); /* */ $s = 1; case 1: if($c) { $c = false; $r = $r.$blk(); } if ($r && $r.$blk !== undefined) { break s; }
		/* */ } return; } if ($f === undefined) { $f = { $blk: $init }; } $f.$s = $s; $f.$r = $r; return $f;
	};
	$pkg.$init = $init;
	return $pkg;
})();
$packages["runtime/internal/sys"] = (function() {
	var $pkg = {}, $init;
	$init = function() {
		$pkg.$init = function() {};
		/* */ var $f, $s = 0, $r; if (this !== undefined && this.$blk !== undefined) { $f = this; $s = $f.$s; $r = $f.$r; } s: while (true) { return; } if ($f === undefined) { $f = { $blk: $init }; } $f.$s = $s; $f.$r = $r; return $f;
	};
	$pkg.$init = $init;
	return $pkg;
})();
$packages["runtime"] = (function() {
	var $pkg = {}, $init, js, bytealg, sys, _type, TypeAssertionError, errorString, ptrType, ptrType$4, init, throw$1;
	js = $packages["github.com/gopherjs/gopherjs/js"];
	bytealg = $packages["internal/bytealg"];
	sys = $packages["runtime/internal/sys"];
	_type = $pkg._type = $newType(0, $kindStruct, "runtime._type", true, "runtime", false, function(str_) {
		this.$val = this;
		if (arguments.length === 0) {
			this.str = "";
			return;
		}
		this.str = str_;
	});
	TypeAssertionError = $pkg.TypeAssertionError = $newType(0, $kindStruct, "runtime.TypeAssertionError", true, "runtime", true, function(_interface_, concrete_, asserted_, missingMethod_) {
		this.$val = this;
		if (arguments.length === 0) {
			this._interface = ptrType.nil;
			this.concrete = ptrType.nil;
			this.asserted = ptrType.nil;
			this.missingMethod = "";
			return;
		}
		this._interface = _interface_;
		this.concrete = concrete_;
		this.asserted = asserted_;
		this.missingMethod = missingMethod_;
	});
	errorString = $pkg.errorString = $newType(8, $kindString, "runtime.errorString", true, "runtime", false, null);
	ptrType = $ptrType(_type);
	ptrType$4 = $ptrType(TypeAssertionError);
	_type.ptr.prototype.string = function() {
		var t;
		t = this;
		return t.str;
	};
	_type.prototype.string = function() { return this.$val.string(); };
	_type.ptr.prototype.pkgpath = function() {
		return "";
	};
	_type.prototype.pkgpath = function() { return this.$val.pkgpath(); };
	init = function() {
		var e, jsPkg;
		jsPkg = $packages[$externalize("github.com/gopherjs/gopherjs/js", $String)];
		$jsObjectPtr = jsPkg.Object.ptr;
		$jsErrorPtr = jsPkg.Error.ptr;
		$throwRuntimeError = throw$1;
		e = $ifaceNil;
		e = new TypeAssertionError.ptr(ptrType.nil, ptrType.nil, ptrType.nil, "");
	};
	throw$1 = function(s) {
		var s;
		$panic(new errorString((s)));
	};
	TypeAssertionError.ptr.prototype.RuntimeError = function() {
	};
	TypeAssertionError.prototype.RuntimeError = function() { return this.$val.RuntimeError(); };
	TypeAssertionError.ptr.prototype.Error = function() {
		var as, cs, e, inter, msg;
		e = this;
		inter = "interface";
		if (!(e._interface === ptrType.nil)) {
			inter = e._interface.string();
		}
		as = e.asserted.string();
		if (e.concrete === ptrType.nil) {
			return "interface conversion: " + inter + " is nil, not " + as;
		}
		cs = e.concrete.string();
		if (e.missingMethod === "") {
			msg = "interface conversion: " + inter + " is " + cs + ", not " + as;
			if (cs === as) {
				if (!(e.concrete.pkgpath() === e.asserted.pkgpath())) {
					msg = msg + (" (types from different packages)");
				} else {
					msg = msg + (" (types from different scopes)");
				}
			}
			return msg;
		}
		return "interface conversion: " + cs + " is not " + as + ": missing method " + e.missingMethod;
	};
	TypeAssertionError.prototype.Error = function() { return this.$val.Error(); };
	errorString.prototype.RuntimeError = function() {
		var e;
		e = this.$val;
	};
	$ptrType(errorString).prototype.RuntimeError = function() { return new errorString(this.$get()).RuntimeError(); };
	errorString.prototype.Error = function() {
		var e;
		e = this.$val;
		return "runtime error: " + (e);
	};
	$ptrType(errorString).prototype.Error = function() { return new errorString(this.$get()).Error(); };
	ptrType.methods = [{prop: "string", name: "string", pkg: "runtime", typ: $funcType([], [$String], false)}, {prop: "pkgpath", name: "pkgpath", pkg: "runtime", typ: $funcType([], [$String], false)}];
	ptrType$4.methods = [{prop: "RuntimeError", name: "RuntimeError", pkg: "", typ: $funcType([], [], false)}, {prop: "Error", name: "Error", pkg: "", typ: $funcType([], [$String], false)}];
	errorString.methods = [{prop: "RuntimeError", name: "RuntimeError", pkg: "", typ: $funcType([], [], false)}, {prop: "Error", name: "Error", pkg: "", typ: $funcType([], [$String], false)}];
	_type.init("runtime", [{prop: "str", name: "str", embedded: false, exported: false, typ: $String, tag: ""}]);
	TypeAssertionError.init("runtime", [{prop: "_interface", name: "_interface", embedded: false, exported: false, typ: ptrType, tag: ""}, {prop: "concrete", name: "concrete", embedded: false, exported: false, typ: ptrType, tag: ""}, {prop: "asserted", name: "asserted", embedded: false, exported: false, typ: ptrType, tag: ""}, {prop: "missingMethod", name: "missingMethod", embedded: false, exported: false, typ: $String, tag: ""}]);
	$init = function() {
		$pkg.$init = function() {};
		/* */ var $f, $c = false, $s = 0, $r; if (this !== undefined && this.$blk !== undefined) { $f = this; $c = true; $s = $f.$s; $r = $f.$r; } s: while (true) { switch ($s) { case 0:
		$r = js.$init(); /* */ $s = 1; case 1: if($c) { $c = false; $r = $r.$blk(); } if ($r && $r.$blk !== undefined) { break s; }
		$r = bytealg.$init(); /* */ $s = 2; case 2: if($c) { $c = false; $r = $r.$blk(); } if ($r && $r.$blk !== undefined) { break s; }
		$r = sys.$init(); /* */ $s = 3; case 3: if($c) { $c = false; $r = $r.$blk(); } if ($r && $r.$blk !== undefined) { break s; }
		init();
		/* */ } return; } if ($f === undefined) { $f = { $blk: $init }; } $f.$s = $s; $f.$r = $r; return $f;
	};
	$pkg.$init = $init;
	return $pkg;
})();
	(function() {
commonjsGlobal.npm = {
	app: electron.app,
	BrowserWindow: electron.BrowserWindow,
	Tray: electron.Tray,

	Alert: alert,

	process: process$1
};

	}).call($global);
$packages["./src/main"] = (function() {
	var $pkg = {}, $init, js, runtime, ptrType, funcType, funcType$1, npm, app, process, tray, win, main, createTray, openWindow;
	js = $packages["github.com/gopherjs/gopherjs/js"];
	runtime = $packages["runtime"];
	ptrType = $ptrType(js.Object);
	funcType = $funcType([ptrType], [], false);
	funcType$1 = $funcType([], [], false);
	main = function() {
		if (!!!(app.requestSingleInstanceLock())) {
			app.exit(0);
		}
		app.on($externalize("ready", $String), $externalize((function() {
			process.on($externalize("uncaughtException", $String), $pkg.Alert.uncaughtException($externalize(false, $Bool), $externalize((function(err) {
				app.exit(1);
			}), funcType)));
			createTray();
		}), funcType$1));
		app.on($externalize("window-all-closed", $String), $externalize((function() {
		}), funcType$1));
	};
	createTray = function() {
		tray = new ($pkg.Tray)($externalize("./assets/tray.png", $String));
		tray.on($externalize("click", $String), $externalize((function() {
			openWindow();
		}), funcType$1));
	};
	openWindow = function() {
		var opts;
		if (win === null) {
			opts = $makeMap($String.keyFor, [{ k: "width", v: new $Int(800) }, { k: "height", v: new $Int(600) }, { k: "title", v: new $String("Visual Markdown") }, { k: "show", v: new $Bool(false) }, { k: "skipTaskbar", v: new $Bool(true) }, { k: "minimizable", v: new $Bool(false) }, { k: "webPreferences", v: new js.M($makeMap($String.keyFor, [{ k: "nodeIntegration", v: new $Bool(true) }, { k: "devTools", v: new $Bool(false) }])) }]);
			win = new ($pkg.BrowserWindow)($externalize(opts, js.M));
			win.removeMenu();
			win.loadFile($externalize("renderer.html", $String));
			win.once($externalize("ready-to-show", $String), $externalize((function() {
				win.show();
			}), funcType$1));
			win.on($externalize("close", $String), $externalize((function(e) {
				var e;
				e.preventDefault();
				win.hide();
			}), funcType));
		} else {
			if (!!!(win.isVisible())) {
				win.show();
			} else {
				if (!!(win.isFocused())) {
					win.hide();
				} else {
					win.show();
				}
			}
		}
	};
	$init = function() {
		$pkg.$init = function() {};
		/* */ var $f, $c = false, $s = 0, $r; if (this !== undefined && this.$blk !== undefined) { $f = this; $c = true; $s = $f.$s; $r = $f.$r; } s: while (true) { switch ($s) { case 0:
		$r = js.$init(); /* */ $s = 1; case 1: if($c) { $c = false; $r = $r.$blk(); } if ($r && $r.$blk !== undefined) { break s; }
		$r = runtime.$init(); /* */ $s = 2; case 2: if($c) { $c = false; $r = $r.$blk(); } if ($r && $r.$blk !== undefined) { break s; }
		tray = null;
		win = null;
		npm = $global.npm;
		$pkg.Tray = npm.Tray;
		app = npm.app;
		$pkg.BrowserWindow = npm.BrowserWindow;
		$pkg.Alert = npm.Alert;
		process = npm.process;
		if ($pkg === $mainPkg) {
			main();
			$mainFinished = true;
		}
		/* */ } return; } if ($f === undefined) { $f = { $blk: $init }; } $f.$s = $s; $f.$r = $r; return $f;
	};
	$pkg.$init = $init;
	return $pkg;
})();
$synthesizeMethods();
var $mainPkg = $packages["./src/main"];
$packages["runtime"].$init();
$go($mainPkg.$init, []);

}).call(commonjsGlobal);

});

module.exports = main_go;