pad_spa/node_modules/jest-mock/build-es5/index.js

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global['jest-mock'] = factory());
}(this, (function () { 'use strict';

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

function unwrapExports (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

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

var _global = createCommonjsModule(function (module) {
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
  ? window : typeof self != 'undefined' && self.Math == Math ? self
  // eslint-disable-next-line no-new-func
  : Function('return this')();
if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef
});

var _core = createCommonjsModule(function (module) {
var core = module.exports = { version: '2.5.7' };
if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
});
var _core_1 = _core.version;

var _aFunction = function (it) {
  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
  return it;
};

// optional / simple context binding

var _ctx = function (fn, that, length) {
  _aFunction(fn);
  if (that === undefined) return fn;
  switch (length) {
    case 1: return function (a) {
      return fn.call(that, a);
    };
    case 2: return function (a, b) {
      return fn.call(that, a, b);
    };
    case 3: return function (a, b, c) {
      return fn.call(that, a, b, c);
    };
  }
  return function (/* ...args */) {
    return fn.apply(that, arguments);
  };
};

var _isObject = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};

var _anObject = function (it) {
  if (!_isObject(it)) throw TypeError(it + ' is not an object!');
  return it;
};

var _fails = function (exec) {
  try {
    return !!exec();
  } catch (e) {
    return true;
  }
};

// Thank's IE8 for his funny defineProperty
var _descriptors = !_fails(function () {
  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
});

var document$1 = _global.document;
// typeof document.createElement is 'object' in old IE
var is = _isObject(document$1) && _isObject(document$1.createElement);
var _domCreate = function (it) {
  return is ? document$1.createElement(it) : {};
};

var _ie8DomDefine = !_descriptors && !_fails(function () {
  return Object.defineProperty(_domCreate('div'), 'a', { get: function () { return 7; } }).a != 7;
});

// 7.1.1 ToPrimitive(input [, PreferredType])

// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
var _toPrimitive = function (it, S) {
  if (!_isObject(it)) return it;
  var fn, val;
  if (S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) return val;
  if (typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it))) return val;
  if (!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) return val;
  throw TypeError("Can't convert object to primitive value");
};

var dP = Object.defineProperty;

var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {
  _anObject(O);
  P = _toPrimitive(P, true);
  _anObject(Attributes);
  if (_ie8DomDefine) try {
    return dP(O, P, Attributes);
  } catch (e) { /* empty */ }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};

var _objectDp = {
	f: f
};

var _propertyDesc = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};

var _hide = _descriptors ? function (object, key, value) {
  return _objectDp.f(object, key, _propertyDesc(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

var hasOwnProperty = {}.hasOwnProperty;
var _has = function (it, key) {
  return hasOwnProperty.call(it, key);
};

var PROTOTYPE = 'prototype';

var $export = function (type, name, source) {
  var IS_FORCED = type & $export.F;
  var IS_GLOBAL = type & $export.G;
  var IS_STATIC = type & $export.S;
  var IS_PROTO = type & $export.P;
  var IS_BIND = type & $export.B;
  var IS_WRAP = type & $export.W;
  var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
  var expProto = exports[PROTOTYPE];
  var target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] : (_global[name] || {})[PROTOTYPE];
  var key, own, out;
  if (IS_GLOBAL) source = name;
  for (key in source) {
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    if (own && _has(exports, key)) continue;
    // export native or passed
    out = own ? target[key] : source[key];
    // prevent global pollution for namespaces
    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
    // bind timers to global for call from export context
    : IS_BIND && own ? _ctx(out, _global)
    // wrap global constructors for prevent change them in library
    : IS_WRAP && target[key] == out ? (function (C) {
      var F = function (a, b, c) {
        if (this instanceof C) {
          switch (arguments.length) {
            case 0: return new C();
            case 1: return new C(a);
            case 2: return new C(a, b);
          } return new C(a, b, c);
        } return C.apply(this, arguments);
      };
      F[PROTOTYPE] = C[PROTOTYPE];
      return F;
    // make static versions for prototype methods
    })(out) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
    if (IS_PROTO) {
      (exports.virtual || (exports.virtual = {}))[key] = out;
      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
      if (type & $export.R && expProto && !expProto[key]) _hide(expProto, key, out);
    }
  }
};
// type bitmap
$export.F = 1;   // forced
$export.G = 2;   // global
$export.S = 4;   // static
$export.P = 8;   // proto
$export.B = 16;  // bind
$export.W = 32;  // wrap
$export.U = 64;  // safe
$export.R = 128; // real proto method for `library`
var _export = $export;

// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
_export(_export.S + _export.F * !_descriptors, 'Object', { defineProperty: _objectDp.f });

var $Object = _core.Object;
var defineProperty = function defineProperty(it, key, desc) {
  return $Object.defineProperty(it, key, desc);
};

var defineProperty$1 = createCommonjsModule(function (module) {
module.exports = { "default": defineProperty, __esModule: true };
});

var _Object$defineProperty = unwrapExports(defineProperty$1);

// 7.1.4 ToInteger
var ceil = Math.ceil;
var floor = Math.floor;
var _toInteger = function (it) {
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};

// 7.2.1 RequireObjectCoercible(argument)
var _defined = function (it) {
  if (it == undefined) throw TypeError("Can't call method on  " + it);
  return it;
};

// true  -> String#at
// false -> String#codePointAt
var _stringAt = function (TO_STRING) {
  return function (that, pos) {
    var s = String(_defined(that));
    var i = _toInteger(pos);
    var l = s.length;
    var a, b;
    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
    a = s.charCodeAt(i);
    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
      ? TO_STRING ? s.charAt(i) : a
      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
  };
};

var _library = true;

var _redefine = _hide;

var _iterators = {};

var toString = {}.toString;

var _cof = function (it) {
  return toString.call(it).slice(8, -1);
};

// fallback for non-array-like ES3 and non-enumerable old V8 strings

// eslint-disable-next-line no-prototype-builtins
var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
  return _cof(it) == 'String' ? it.split('') : Object(it);
};

// to indexed object, toObject with fallback for non-array-like ES3 strings


var _toIobject = function (it) {
  return _iobject(_defined(it));
};

// 7.1.15 ToLength

var min = Math.min;
var _toLength = function (it) {
  return it > 0 ? min(_toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};

var max = Math.max;
var min$1 = Math.min;
var _toAbsoluteIndex = function (index, length) {
  index = _toInteger(index);
  return index < 0 ? max(index + length, 0) : min$1(index, length);
};

// false -> Array#indexOf
// true  -> Array#includes



var _arrayIncludes = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = _toIobject($this);
    var length = _toLength(O.length);
    var index = _toAbsoluteIndex(fromIndex, length);
    var value;
    // Array#includes uses SameValueZero equality algorithm
    // eslint-disable-next-line no-self-compare
    if (IS_INCLUDES && el != el) while (length > index) {
      value = O[index++];
      // eslint-disable-next-line no-self-compare
      if (value != value) return true;
    // Array#indexOf ignores holes, Array#includes - not
    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {
      if (O[index] === el) return IS_INCLUDES || index || 0;
    } return !IS_INCLUDES && -1;
  };
};

var _shared = createCommonjsModule(function (module) {
var SHARED = '__core-js_shared__';
var store = _global[SHARED] || (_global[SHARED] = {});

(module.exports = function (key, value) {
  return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: _core.version,
  mode: _library ? 'pure' : 'global',
  copyright: '© 2018 Denis Pushkarev (zloirock.ru)'
});
});

var id = 0;
var px = Math.random();
var _uid = function (key) {
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};

var shared = _shared('keys');

var _sharedKey = function (key) {
  return shared[key] || (shared[key] = _uid(key));
};

var arrayIndexOf = _arrayIncludes(false);
var IE_PROTO = _sharedKey('IE_PROTO');

var _objectKeysInternal = function (object, names) {
  var O = _toIobject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) if (key != IE_PROTO) _has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (_has(O, key = names[i++])) {
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};

// IE 8- don't enum bug keys
var _enumBugKeys = (
  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');

// 19.1.2.14 / 15.2.3.14 Object.keys(O)



var _objectKeys = Object.keys || function keys(O) {
  return _objectKeysInternal(O, _enumBugKeys);
};

var _objectDps = _descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
  _anObject(O);
  var keys = _objectKeys(Properties);
  var length = keys.length;
  var i = 0;
  var P;
  while (length > i) _objectDp.f(O, P = keys[i++], Properties[P]);
  return O;
};

var document$2 = _global.document;
var _html = document$2 && document$2.documentElement;

// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])



var IE_PROTO$1 = _sharedKey('IE_PROTO');
var Empty = function () { /* empty */ };
var PROTOTYPE$1 = 'prototype';

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function () {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = _domCreate('iframe');
  var i = _enumBugKeys.length;
  var lt = '<';
  var gt = '>';
  var iframeDocument;
  iframe.style.display = 'none';
  _html.appendChild(iframe);
  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
  // createDict = iframe.contentWindow.Object;
  // html.removeChild(iframe);
  iframeDocument = iframe.contentWindow.document;
  iframeDocument.open();
  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
  iframeDocument.close();
  createDict = iframeDocument.F;
  while (i--) delete createDict[PROTOTYPE$1][_enumBugKeys[i]];
  return createDict();
};

var _objectCreate = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    Empty[PROTOTYPE$1] = _anObject(O);
    result = new Empty();
    Empty[PROTOTYPE$1] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO$1] = O;
  } else result = createDict();
  return Properties === undefined ? result : _objectDps(result, Properties);
};

var _wks = createCommonjsModule(function (module) {
var store = _shared('wks');

var Symbol = _global.Symbol;
var USE_SYMBOL = typeof Symbol == 'function';

var $exports = module.exports = function (name) {
  return store[name] || (store[name] =
    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : _uid)('Symbol.' + name));
};

$exports.store = store;
});

var def = _objectDp.f;

var TAG = _wks('toStringTag');

var _setToStringTag = function (it, tag, stat) {
  if (it && !_has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
};

var IteratorPrototype = {};

// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
_hide(IteratorPrototype, _wks('iterator'), function () { return this; });

var _iterCreate = function (Constructor, NAME, next) {
  Constructor.prototype = _objectCreate(IteratorPrototype, { next: _propertyDesc(1, next) });
  _setToStringTag(Constructor, NAME + ' Iterator');
};

// 7.1.13 ToObject(argument)

var _toObject = function (it) {
  return Object(_defined(it));
};

// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)


var IE_PROTO$2 = _sharedKey('IE_PROTO');
var ObjectProto = Object.prototype;

var _objectGpo = Object.getPrototypeOf || function (O) {
  O = _toObject(O);
  if (_has(O, IE_PROTO$2)) return O[IE_PROTO$2];
  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
    return O.constructor.prototype;
  } return O instanceof Object ? ObjectProto : null;
};

var ITERATOR = _wks('iterator');
var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
var FF_ITERATOR = '@@iterator';
var KEYS = 'keys';
var VALUES = 'values';

var returnThis = function () { return this; };

var _iterDefine = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
  _iterCreate(Constructor, NAME, next);
  var getMethod = function (kind) {
    if (!BUGGY && kind in proto) return proto[kind];
    switch (kind) {
      case KEYS: return function keys() { return new Constructor(this, kind); };
      case VALUES: return function values() { return new Constructor(this, kind); };
    } return function entries() { return new Constructor(this, kind); };
  };
  var TAG = NAME + ' Iterator';
  var DEF_VALUES = DEFAULT == VALUES;
  var VALUES_BUG = false;
  var proto = Base.prototype;
  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
  var $default = $native || getMethod(DEFAULT);
  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
  var methods, key, IteratorPrototype;
  // Fix native
  if ($anyNative) {
    IteratorPrototype = _objectGpo($anyNative.call(new Base()));
    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
      // Set @@toStringTag to native iterators
      _setToStringTag(IteratorPrototype, TAG, true);
      // fix for some old engines
      if (!_library && typeof IteratorPrototype[ITERATOR] != 'function') _hide(IteratorPrototype, ITERATOR, returnThis);
    }
  }
  // fix Array#{values, @@iterator}.name in V8 / FF
  if (DEF_VALUES && $native && $native.name !== VALUES) {
    VALUES_BUG = true;
    $default = function values() { return $native.call(this); };
  }
  // Define iterator
  if ((!_library || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
    _hide(proto, ITERATOR, $default);
  }
  // Plug for library
  _iterators[NAME] = $default;
  _iterators[TAG] = returnThis;
  if (DEFAULT) {
    methods = {
      values: DEF_VALUES ? $default : getMethod(VALUES),
      keys: IS_SET ? $default : getMethod(KEYS),
      entries: $entries
    };
    if (FORCED) for (key in methods) {
      if (!(key in proto)) _redefine(proto, key, methods[key]);
    } else _export(_export.P + _export.F * (BUGGY || VALUES_BUG), NAME, methods);
  }
  return methods;
};

var $at = _stringAt(true);

// 21.1.3.27 String.prototype[@@iterator]()
_iterDefine(String, 'String', function (iterated) {
  this._t = String(iterated); // target
  this._i = 0;                // next index
// 21.1.5.2.1 %StringIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var index = this._i;
  var point;
  if (index >= O.length) return { value: undefined, done: true };
  point = $at(O, index);
  this._i += point.length;
  return { value: point, done: false };
});

var _iterStep = function (done, value) {
  return { value: value, done: !!done };
};

// 22.1.3.4 Array.prototype.entries()
// 22.1.3.13 Array.prototype.keys()
// 22.1.3.29 Array.prototype.values()
// 22.1.3.30 Array.prototype[@@iterator]()
var es6_array_iterator = _iterDefine(Array, 'Array', function (iterated, kind) {
  this._t = _toIobject(iterated); // target
  this._i = 0;                   // next index
  this._k = kind;                // kind
// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var kind = this._k;
  var index = this._i++;
  if (!O || index >= O.length) {
    this._t = undefined;
    return _iterStep(1);
  }
  if (kind == 'keys') return _iterStep(0, index);
  if (kind == 'values') return _iterStep(0, O[index]);
  return _iterStep(0, [index, O[index]]);
}, 'values');

// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
_iterators.Arguments = _iterators.Array;

var TO_STRING_TAG = _wks('toStringTag');

var DOMIterables = ('CSSRuleList,CSSStyleDeclaration,CSSValueList,ClientRectList,DOMRectList,DOMStringList,' +
  'DOMTokenList,DataTransferItemList,FileList,HTMLAllCollection,HTMLCollection,HTMLFormElement,HTMLSelectElement,' +
  'MediaList,MimeTypeArray,NamedNodeMap,NodeList,PaintRequestList,Plugin,PluginArray,SVGLengthList,SVGNumberList,' +
  'SVGPathSegList,SVGPointList,SVGStringList,SVGTransformList,SourceBufferList,StyleSheetList,TextTrackCueList,' +
  'TextTrackList,TouchList').split(',');

for (var i = 0; i < DOMIterables.length; i++) {
  var NAME = DOMIterables[i];
  var Collection = _global[NAME];
  var proto = Collection && Collection.prototype;
  if (proto && !proto[TO_STRING_TAG]) _hide(proto, TO_STRING_TAG, NAME);
  _iterators[NAME] = _iterators.Array;
}

var f$1 = _wks;

var _wksExt = {
	f: f$1
};

var iterator = _wksExt.f('iterator');

var iterator$1 = createCommonjsModule(function (module) {
module.exports = { "default": iterator, __esModule: true };
});

unwrapExports(iterator$1);

var _meta = createCommonjsModule(function (module) {
var META = _uid('meta');


var setDesc = _objectDp.f;
var id = 0;
var isExtensible = Object.isExtensible || function () {
  return true;
};
var FREEZE = !_fails(function () {
  return isExtensible(Object.preventExtensions({}));
});
var setMeta = function (it) {
  setDesc(it, META, { value: {
    i: 'O' + ++id, // object ID
    w: {}          // weak collections IDs
  } });
};
var fastKey = function (it, create) {
  // return primitive with prefix
  if (!_isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
  if (!_has(it, META)) {
    // can't set metadata to uncaught frozen object
    if (!isExtensible(it)) return 'F';
    // not necessary to add metadata
    if (!create) return 'E';
    // add missing metadata
    setMeta(it);
  // return object ID
  } return it[META].i;
};
var getWeak = function (it, create) {
  if (!_has(it, META)) {
    // can't set metadata to uncaught frozen object
    if (!isExtensible(it)) return true;
    // not necessary to add metadata
    if (!create) return false;
    // add missing metadata
    setMeta(it);
  // return hash weak collections IDs
  } return it[META].w;
};
// add metadata on freeze-family methods calling
var onFreeze = function (it) {
  if (FREEZE && meta.NEED && isExtensible(it) && !_has(it, META)) setMeta(it);
  return it;
};
var meta = module.exports = {
  KEY: META,
  NEED: false,
  fastKey: fastKey,
  getWeak: getWeak,
  onFreeze: onFreeze
};
});
var _meta_1 = _meta.KEY;
var _meta_2 = _meta.NEED;
var _meta_3 = _meta.fastKey;
var _meta_4 = _meta.getWeak;
var _meta_5 = _meta.onFreeze;

var defineProperty$2 = _objectDp.f;
var _wksDefine = function (name) {
  var $Symbol = _core.Symbol || (_core.Symbol = _library ? {} : _global.Symbol || {});
  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty$2($Symbol, name, { value: _wksExt.f(name) });
};

var f$2 = Object.getOwnPropertySymbols;

var _objectGops = {
	f: f$2
};

var f$3 = {}.propertyIsEnumerable;

var _objectPie = {
	f: f$3
};

// all enumerable object keys, includes symbols



var _enumKeys = function (it) {
  var result = _objectKeys(it);
  var getSymbols = _objectGops.f;
  if (getSymbols) {
    var symbols = getSymbols(it);
    var isEnum = _objectPie.f;
    var i = 0;
    var key;
    while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);
  } return result;
};

// 7.2.2 IsArray(argument)

var _isArray = Array.isArray || function isArray(arg) {
  return _cof(arg) == 'Array';
};

// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)

var hiddenKeys = _enumBugKeys.concat('length', 'prototype');

var f$4 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return _objectKeysInternal(O, hiddenKeys);
};

var _objectGopn = {
	f: f$4
};

// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window

var gOPN = _objectGopn.f;
var toString$1 = {}.toString;

var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
  ? Object.getOwnPropertyNames(window) : [];

var getWindowNames = function (it) {
  try {
    return gOPN(it);
  } catch (e) {
    return windowNames.slice();
  }
};

var f$5 = function getOwnPropertyNames(it) {
  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(_toIobject(it));
};

var _objectGopnExt = {
	f: f$5
};

var gOPD = Object.getOwnPropertyDescriptor;

var f$6 = _descriptors ? gOPD : function getOwnPropertyDescriptor(O, P) {
  O = _toIobject(O);
  P = _toPrimitive(P, true);
  if (_ie8DomDefine) try {
    return gOPD(O, P);
  } catch (e) { /* empty */ }
  if (_has(O, P)) return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
};

var _objectGopd = {
	f: f$6
};

// ECMAScript 6 symbols shim





var META = _meta.KEY;



















var gOPD$1 = _objectGopd.f;
var dP$1 = _objectDp.f;
var gOPN$1 = _objectGopnExt.f;
var $Symbol = _global.Symbol;
var $JSON = _global.JSON;
var _stringify = $JSON && $JSON.stringify;
var PROTOTYPE$2 = 'prototype';
var HIDDEN = _wks('_hidden');
var TO_PRIMITIVE = _wks('toPrimitive');
var isEnum = {}.propertyIsEnumerable;
var SymbolRegistry = _shared('symbol-registry');
var AllSymbols = _shared('symbols');
var OPSymbols = _shared('op-symbols');
var ObjectProto$1 = Object[PROTOTYPE$2];
var USE_NATIVE = typeof $Symbol == 'function';
var QObject = _global.QObject;
// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
var setter = !QObject || !QObject[PROTOTYPE$2] || !QObject[PROTOTYPE$2].findChild;

// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
var setSymbolDesc = _descriptors && _fails(function () {
  return _objectCreate(dP$1({}, 'a', {
    get: function () { return dP$1(this, 'a', { value: 7 }).a; }
  })).a != 7;
}) ? function (it, key, D) {
  var protoDesc = gOPD$1(ObjectProto$1, key);
  if (protoDesc) delete ObjectProto$1[key];
  dP$1(it, key, D);
  if (protoDesc && it !== ObjectProto$1) dP$1(ObjectProto$1, key, protoDesc);
} : dP$1;

var wrap = function (tag) {
  var sym = AllSymbols[tag] = _objectCreate($Symbol[PROTOTYPE$2]);
  sym._k = tag;
  return sym;
};

var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {
  return typeof it == 'symbol';
} : function (it) {
  return it instanceof $Symbol;
};

var $defineProperty = function defineProperty(it, key, D) {
  if (it === ObjectProto$1) $defineProperty(OPSymbols, key, D);
  _anObject(it);
  key = _toPrimitive(key, true);
  _anObject(D);
  if (_has(AllSymbols, key)) {
    if (!D.enumerable) {
      if (!_has(it, HIDDEN)) dP$1(it, HIDDEN, _propertyDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if (_has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
      D = _objectCreate(D, { enumerable: _propertyDesc(0, false) });
    } return setSymbolDesc(it, key, D);
  } return dP$1(it, key, D);
};
var $defineProperties = function defineProperties(it, P) {
  _anObject(it);
  var keys = _enumKeys(P = _toIobject(P));
  var i = 0;
  var l = keys.length;
  var key;
  while (l > i) $defineProperty(it, key = keys[i++], P[key]);
  return it;
};
var $create = function create(it, P) {
  return P === undefined ? _objectCreate(it) : $defineProperties(_objectCreate(it), P);
};
var $propertyIsEnumerable = function propertyIsEnumerable(key) {
  var E = isEnum.call(this, key = _toPrimitive(key, true));
  if (this === ObjectProto$1 && _has(AllSymbols, key) && !_has(OPSymbols, key)) return false;
  return E || !_has(this, key) || !_has(AllSymbols, key) || _has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
};
var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {
  it = _toIobject(it);
  key = _toPrimitive(key, true);
  if (it === ObjectProto$1 && _has(AllSymbols, key) && !_has(OPSymbols, key)) return;
  var D = gOPD$1(it, key);
  if (D && _has(AllSymbols, key) && !(_has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;
  return D;
};
var $getOwnPropertyNames = function getOwnPropertyNames(it) {
  var names = gOPN$1(_toIobject(it));
  var result = [];
  var i = 0;
  var key;
  while (names.length > i) {
    if (!_has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);
  } return result;
};
var $getOwnPropertySymbols = function getOwnPropertySymbols(it) {
  var IS_OP = it === ObjectProto$1;
  var names = gOPN$1(IS_OP ? OPSymbols : _toIobject(it));
  var result = [];
  var i = 0;
  var key;
  while (names.length > i) {
    if (_has(AllSymbols, key = names[i++]) && (IS_OP ? _has(ObjectProto$1, key) : true)) result.push(AllSymbols[key]);
  } return result;
};

// 19.4.1.1 Symbol([description])
if (!USE_NATIVE) {
  $Symbol = function Symbol() {
    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');
    var tag = _uid(arguments.length > 0 ? arguments[0] : undefined);
    var $set = function (value) {
      if (this === ObjectProto$1) $set.call(OPSymbols, value);
      if (_has(this, HIDDEN) && _has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
      setSymbolDesc(this, tag, _propertyDesc(1, value));
    };
    if (_descriptors && setter) setSymbolDesc(ObjectProto$1, tag, { configurable: true, set: $set });
    return wrap(tag);
  };
  _redefine($Symbol[PROTOTYPE$2], 'toString', function toString() {
    return this._k;
  });

  _objectGopd.f = $getOwnPropertyDescriptor;
  _objectDp.f = $defineProperty;
  _objectGopn.f = _objectGopnExt.f = $getOwnPropertyNames;
  _objectPie.f = $propertyIsEnumerable;
  _objectGops.f = $getOwnPropertySymbols;

  if (_descriptors && !_library) {
    _redefine(ObjectProto$1, 'propertyIsEnumerable', $propertyIsEnumerable, true);
  }

  _wksExt.f = function (name) {
    return wrap(_wks(name));
  };
}

_export(_export.G + _export.W + _export.F * !USE_NATIVE, { Symbol: $Symbol });

for (var es6Symbols = (
  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
).split(','), j = 0; es6Symbols.length > j;)_wks(es6Symbols[j++]);

for (var wellKnownSymbols = _objectKeys(_wks.store), k = 0; wellKnownSymbols.length > k;) _wksDefine(wellKnownSymbols[k++]);

_export(_export.S + _export.F * !USE_NATIVE, 'Symbol', {
  // 19.4.2.1 Symbol.for(key)
  'for': function (key) {
    return _has(SymbolRegistry, key += '')
      ? SymbolRegistry[key]
      : SymbolRegistry[key] = $Symbol(key);
  },
  // 19.4.2.5 Symbol.keyFor(sym)
  keyFor: function keyFor(sym) {
    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');
    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;
  },
  useSetter: function () { setter = true; },
  useSimple: function () { setter = false; }
});

_export(_export.S + _export.F * !USE_NATIVE, 'Object', {
  // 19.1.2.2 Object.create(O [, Properties])
  create: $create,
  // 19.1.2.4 Object.defineProperty(O, P, Attributes)
  defineProperty: $defineProperty,
  // 19.1.2.3 Object.defineProperties(O, Properties)
  defineProperties: $defineProperties,
  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
  // 19.1.2.7 Object.getOwnPropertyNames(O)
  getOwnPropertyNames: $getOwnPropertyNames,
  // 19.1.2.8 Object.getOwnPropertySymbols(O)
  getOwnPropertySymbols: $getOwnPropertySymbols
});

// 24.3.2 JSON.stringify(value [, replacer [, space]])
$JSON && _export(_export.S + _export.F * (!USE_NATIVE || _fails(function () {
  var S = $Symbol();
  // MS Edge converts symbol values to JSON as {}
  // WebKit converts symbol values to JSON as null
  // V8 throws on boxed symbols
  return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';
})), 'JSON', {
  stringify: function stringify(it) {
    var args = [it];
    var i = 1;
    var replacer, $replacer;
    while (arguments.length > i) args.push(arguments[i++]);
    $replacer = replacer = args[1];
    if (!_isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
    if (!_isArray(replacer)) replacer = function (key, value) {
      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
      if (!isSymbol(value)) return value;
    };
    args[1] = replacer;
    return _stringify.apply($JSON, args);
  }
});

// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
$Symbol[PROTOTYPE$2][TO_PRIMITIVE] || _hide($Symbol[PROTOTYPE$2], TO_PRIMITIVE, $Symbol[PROTOTYPE$2].valueOf);
// 19.4.3.5 Symbol.prototype[@@toStringTag]
_setToStringTag($Symbol, 'Symbol');
// 20.2.1.9 Math[@@toStringTag]
_setToStringTag(Math, 'Math', true);
// 24.3.3 JSON[@@toStringTag]
_setToStringTag(_global.JSON, 'JSON', true);

_wksDefine('asyncIterator');

_wksDefine('observable');

var symbol = _core.Symbol;

var symbol$1 = createCommonjsModule(function (module) {
module.exports = { "default": symbol, __esModule: true };
});

unwrapExports(symbol$1);

var _typeof_1 = createCommonjsModule(function (module, exports) {

exports.__esModule = true;



var _iterator2 = _interopRequireDefault(iterator$1);



var _symbol2 = _interopRequireDefault(symbol$1);

var _typeof = typeof _symbol2.default === "function" && typeof _iterator2.default === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj; };

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = typeof _symbol2.default === "function" && _typeof(_iterator2.default) === "symbol" ? function (obj) {
  return typeof obj === "undefined" ? "undefined" : _typeof(obj);
} : function (obj) {
  return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof(obj);
};
});

var _typeof = unwrapExports(_typeof_1);

var _redefineAll = function (target, src, safe) {
  for (var key in src) {
    if (safe && target[key]) target[key] = src[key];
    else _hide(target, key, src[key]);
  } return target;
};

var _anInstance = function (it, Constructor, name, forbiddenField) {
  if (!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)) {
    throw TypeError(name + ': incorrect invocation!');
  } return it;
};

// call something on iterator step with safe closing on error

var _iterCall = function (iterator, fn, value, entries) {
  try {
    return entries ? fn(_anObject(value)[0], value[1]) : fn(value);
  // 7.4.6 IteratorClose(iterator, completion)
  } catch (e) {
    var ret = iterator['return'];
    if (ret !== undefined) _anObject(ret.call(iterator));
    throw e;
  }
};

// check on default Array iterator

var ITERATOR$1 = _wks('iterator');
var ArrayProto = Array.prototype;

var _isArrayIter = function (it) {
  return it !== undefined && (_iterators.Array === it || ArrayProto[ITERATOR$1] === it);
};

// getting tag from 19.1.3.6 Object.prototype.toString()

var TAG$1 = _wks('toStringTag');
// ES3 wrong here
var ARG = _cof(function () { return arguments; }()) == 'Arguments';

// fallback for IE11 Script Access Denied error
var tryGet = function (it, key) {
  try {
    return it[key];
  } catch (e) { /* empty */ }
};

var _classof = function (it) {
  var O, T, B;
  return it === undefined ? 'Undefined' : it === null ? 'Null'
    // @@toStringTag case
    : typeof (T = tryGet(O = Object(it), TAG$1)) == 'string' ? T
    // builtinTag case
    : ARG ? _cof(O)
    // ES3 arguments fallback
    : (B = _cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
};

var ITERATOR$2 = _wks('iterator');

var core_getIteratorMethod = _core.getIteratorMethod = function (it) {
  if (it != undefined) return it[ITERATOR$2]
    || it['@@iterator']
    || _iterators[_classof(it)];
};

var _forOf = createCommonjsModule(function (module) {
var BREAK = {};
var RETURN = {};
var exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
  var iterFn = ITERATOR ? function () { return iterable; } : core_getIteratorMethod(iterable);
  var f = _ctx(fn, that, entries ? 2 : 1);
  var index = 0;
  var length, step, iterator, result;
  if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');
  // fast case for arrays with default iterator
  if (_isArrayIter(iterFn)) for (length = _toLength(iterable.length); length > index; index++) {
    result = entries ? f(_anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
    if (result === BREAK || result === RETURN) return result;
  } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {
    result = _iterCall(iterator, f, step.value, entries);
    if (result === BREAK || result === RETURN) return result;
  }
};
exports.BREAK = BREAK;
exports.RETURN = RETURN;
});

var SPECIES = _wks('species');

var _setSpecies = function (KEY) {
  var C = typeof _core[KEY] == 'function' ? _core[KEY] : _global[KEY];
  if (_descriptors && C && !C[SPECIES]) _objectDp.f(C, SPECIES, {
    configurable: true,
    get: function () { return this; }
  });
};

var _validateCollection = function (it, TYPE) {
  if (!_isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
  return it;
};

var dP$2 = _objectDp.f;









var fastKey = _meta.fastKey;

var SIZE = _descriptors ? '_s' : 'size';

var getEntry = function (that, key) {
  // fast case
  var index = fastKey(key);
  var entry;
  if (index !== 'F') return that._i[index];
  // frozen object case
  for (entry = that._f; entry; entry = entry.n) {
    if (entry.k == key) return entry;
  }
};

var _collectionStrong = {
  getConstructor: function (wrapper, NAME, IS_MAP, ADDER) {
    var C = wrapper(function (that, iterable) {
      _anInstance(that, C, NAME, '_i');
      that._t = NAME;         // collection type
      that._i = _objectCreate(null); // index
      that._f = undefined;    // first entry
      that._l = undefined;    // last entry
      that[SIZE] = 0;         // size
      if (iterable != undefined) _forOf(iterable, IS_MAP, that[ADDER], that);
    });
    _redefineAll(C.prototype, {
      // 23.1.3.1 Map.prototype.clear()
      // 23.2.3.2 Set.prototype.clear()
      clear: function clear() {
        for (var that = _validateCollection(this, NAME), data = that._i, entry = that._f; entry; entry = entry.n) {
          entry.r = true;
          if (entry.p) entry.p = entry.p.n = undefined;
          delete data[entry.i];
        }
        that._f = that._l = undefined;
        that[SIZE] = 0;
      },
      // 23.1.3.3 Map.prototype.delete(key)
      // 23.2.3.4 Set.prototype.delete(value)
      'delete': function (key) {
        var that = _validateCollection(this, NAME);
        var entry = getEntry(that, key);
        if (entry) {
          var next = entry.n;
          var prev = entry.p;
          delete that._i[entry.i];
          entry.r = true;
          if (prev) prev.n = next;
          if (next) next.p = prev;
          if (that._f == entry) that._f = next;
          if (that._l == entry) that._l = prev;
          that[SIZE]--;
        } return !!entry;
      },
      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
      forEach: function forEach(callbackfn /* , that = undefined */) {
        _validateCollection(this, NAME);
        var f = _ctx(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var entry;
        while (entry = entry ? entry.n : this._f) {
          f(entry.v, entry.k, this);
          // revert to the last existing entry
          while (entry && entry.r) entry = entry.p;
        }
      },
      // 23.1.3.7 Map.prototype.has(key)
      // 23.2.3.7 Set.prototype.has(value)
      has: function has(key) {
        return !!getEntry(_validateCollection(this, NAME), key);
      }
    });
    if (_descriptors) dP$2(C.prototype, 'size', {
      get: function () {
        return _validateCollection(this, NAME)[SIZE];
      }
    });
    return C;
  },
  def: function (that, key, value) {
    var entry = getEntry(that, key);
    var prev, index;
    // change existing entry
    if (entry) {
      entry.v = value;
    // create new entry
    } else {
      that._l = entry = {
        i: index = fastKey(key, true), // <- index
        k: key,                        // <- key
        v: value,                      // <- value
        p: prev = that._l,             // <- previous entry
        n: undefined,                  // <- next entry
        r: false                       // <- removed
      };
      if (!that._f) that._f = entry;
      if (prev) prev.n = entry;
      that[SIZE]++;
      // add to index
      if (index !== 'F') that._i[index] = entry;
    } return that;
  },
  getEntry: getEntry,
  setStrong: function (C, NAME, IS_MAP) {
    // add .keys, .values, .entries, [@@iterator]
    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
    _iterDefine(C, NAME, function (iterated, kind) {
      this._t = _validateCollection(iterated, NAME); // target
      this._k = kind;                     // kind
      this._l = undefined;                // previous
    }, function () {
      var that = this;
      var kind = that._k;
      var entry = that._l;
      // revert to the last existing entry
      while (entry && entry.r) entry = entry.p;
      // get next entry
      if (!that._t || !(that._l = entry = entry ? entry.n : that._t._f)) {
        // or finish the iteration
        that._t = undefined;
        return _iterStep(1);
      }
      // return step by kind
      if (kind == 'keys') return _iterStep(0, entry.k);
      if (kind == 'values') return _iterStep(0, entry.v);
      return _iterStep(0, [entry.k, entry.v]);
    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);

    // add [@@species], 23.1.2.2, 23.2.2.2
    _setSpecies(NAME);
  }
};

var SPECIES$1 = _wks('species');

var _arraySpeciesConstructor = function (original) {
  var C;
  if (_isArray(original)) {
    C = original.constructor;
    // cross-realm fallback
    if (typeof C == 'function' && (C === Array || _isArray(C.prototype))) C = undefined;
    if (_isObject(C)) {
      C = C[SPECIES$1];
      if (C === null) C = undefined;
    }
  } return C === undefined ? Array : C;
};

// 9.4.2.3 ArraySpeciesCreate(originalArray, length)


var _arraySpeciesCreate = function (original, length) {
  return new (_arraySpeciesConstructor(original))(length);
};

// 0 -> Array#forEach
// 1 -> Array#map
// 2 -> Array#filter
// 3 -> Array#some
// 4 -> Array#every
// 5 -> Array#find
// 6 -> Array#findIndex





var _arrayMethods = function (TYPE, $create) {
  var IS_MAP = TYPE == 1;
  var IS_FILTER = TYPE == 2;
  var IS_SOME = TYPE == 3;
  var IS_EVERY = TYPE == 4;
  var IS_FIND_INDEX = TYPE == 6;
  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
  var create = $create || _arraySpeciesCreate;
  return function ($this, callbackfn, that) {
    var O = _toObject($this);
    var self = _iobject(O);
    var f = _ctx(callbackfn, that, 3);
    var length = _toLength(self.length);
    var index = 0;
    var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
    var val, res;
    for (;length > index; index++) if (NO_HOLES || index in self) {
      val = self[index];
      res = f(val, index, O);
      if (TYPE) {
        if (IS_MAP) result[index] = res;   // map
        else if (res) switch (TYPE) {
          case 3: return true;             // some
          case 5: return val;              // find
          case 6: return index;            // findIndex
          case 2: result.push(val);        // filter
        } else if (IS_EVERY) return false; // every
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
  };
};

var dP$3 = _objectDp.f;
var each = _arrayMethods(0);


var _collection = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
  var Base = _global[NAME];
  var C = Base;
  var ADDER = IS_MAP ? 'set' : 'add';
  var proto = C && C.prototype;
  var O = {};
  if (!_descriptors || typeof C != 'function' || !(IS_WEAK || proto.forEach && !_fails(function () {
    new C().entries().next();
  }))) {
    // create collection constructor
    C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);
    _redefineAll(C.prototype, methods);
    _meta.NEED = true;
  } else {
    C = wrapper(function (target, iterable) {
      _anInstance(target, C, NAME, '_c');
      target._c = new Base();
      if (iterable != undefined) _forOf(iterable, IS_MAP, target[ADDER], target);
    });
    each('add,clear,delete,forEach,get,has,set,keys,values,entries,toJSON'.split(','), function (KEY) {
      var IS_ADDER = KEY == 'add' || KEY == 'set';
      if (KEY in proto && !(IS_WEAK && KEY == 'clear')) _hide(C.prototype, KEY, function (a, b) {
        _anInstance(this, C, KEY);
        if (!IS_ADDER && IS_WEAK && !_isObject(a)) return KEY == 'get' ? undefined : false;
        var result = this._c[KEY](a === 0 ? 0 : a, b);
        return IS_ADDER ? this : result;
      });
    });
    IS_WEAK || dP$3(C.prototype, 'size', {
      get: function () {
        return this._c.size;
      }
    });
  }

  _setToStringTag(C, NAME);

  O[NAME] = C;
  _export(_export.G + _export.W + _export.F, O);

  if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);

  return C;
};

var MAP = 'Map';

// 23.1 Map Objects
var es6_map = _collection(MAP, function (get) {
  return function Map() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.1.3.6 Map.prototype.get(key)
  get: function get(key) {
    var entry = _collectionStrong.getEntry(_validateCollection(this, MAP), key);
    return entry && entry.v;
  },
  // 23.1.3.9 Map.prototype.set(key, value)
  set: function set(key, value) {
    return _collectionStrong.def(_validateCollection(this, MAP), key === 0 ? 0 : key, value);
  }
}, _collectionStrong, true);

var _arrayFromIterable = function (iter, ITERATOR) {
  var result = [];
  _forOf(iter, false, result.push, result, ITERATOR);
  return result;
};

// https://github.com/DavidBruant/Map-Set.prototype.toJSON


var _collectionToJson = function (NAME) {
  return function toJSON() {
    if (_classof(this) != NAME) throw TypeError(NAME + "#toJSON isn't generic");
    return _arrayFromIterable(this);
  };
};

// https://github.com/DavidBruant/Map-Set.prototype.toJSON


_export(_export.P + _export.R, 'Map', { toJSON: _collectionToJson('Map') });

// https://tc39.github.io/proposal-setmap-offrom/


var _setCollectionOf = function (COLLECTION) {
  _export(_export.S, COLLECTION, { of: function of() {
    var length = arguments.length;
    var A = new Array(length);
    while (length--) A[length] = arguments[length];
    return new this(A);
  } });
};

// https://tc39.github.io/proposal-setmap-offrom/#sec-map.of
_setCollectionOf('Map');

// https://tc39.github.io/proposal-setmap-offrom/





var _setCollectionFrom = function (COLLECTION) {
  _export(_export.S, COLLECTION, { from: function from(source /* , mapFn, thisArg */) {
    var mapFn = arguments[1];
    var mapping, A, n, cb;
    _aFunction(this);
    mapping = mapFn !== undefined;
    if (mapping) _aFunction(mapFn);
    if (source == undefined) return new this();
    A = [];
    if (mapping) {
      n = 0;
      cb = _ctx(mapFn, arguments[2], 2);
      _forOf(source, false, function (nextItem) {
        A.push(cb(nextItem, n++));
      });
    } else {
      _forOf(source, false, A.push, A);
    }
    return new this(A);
  } });
};

// https://tc39.github.io/proposal-setmap-offrom/#sec-map.from
_setCollectionFrom('Map');

var map = _core.Map;

var map$1 = createCommonjsModule(function (module) {
module.exports = { "default": map, __esModule: true };
});

var _Map = unwrapExports(map$1);

// 7.3.20 SpeciesConstructor(O, defaultConstructor)


var SPECIES$2 = _wks('species');
var _speciesConstructor = function (O, D) {
  var C = _anObject(O).constructor;
  var S;
  return C === undefined || (S = _anObject(C)[SPECIES$2]) == undefined ? D : _aFunction(S);
};

// fast apply, http://jsperf.lnkit.com/fast-apply/5
var _invoke = function (fn, args, that) {
  var un = that === undefined;
  switch (args.length) {
    case 0: return un ? fn()
                      : fn.call(that);
    case 1: return un ? fn(args[0])
                      : fn.call(that, args[0]);
    case 2: return un ? fn(args[0], args[1])
                      : fn.call(that, args[0], args[1]);
    case 3: return un ? fn(args[0], args[1], args[2])
                      : fn.call(that, args[0], args[1], args[2]);
    case 4: return un ? fn(args[0], args[1], args[2], args[3])
                      : fn.call(that, args[0], args[1], args[2], args[3]);
  } return fn.apply(that, args);
};

var process = _global.process;
var setTask = _global.setImmediate;
var clearTask = _global.clearImmediate;
var MessageChannel = _global.MessageChannel;
var Dispatch = _global.Dispatch;
var counter = 0;
var queue = {};
var ONREADYSTATECHANGE = 'onreadystatechange';
var defer, channel, port;
var run = function () {
  var id = +this;
  // eslint-disable-next-line no-prototype-builtins
  if (queue.hasOwnProperty(id)) {
    var fn = queue[id];
    delete queue[id];
    fn();
  }
};
var listener = function (event) {
  run.call(event.data);
};
// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
if (!setTask || !clearTask) {
  setTask = function setImmediate(fn) {
    var args = [];
    var i = 1;
    while (arguments.length > i) args.push(arguments[i++]);
    queue[++counter] = function () {
      // eslint-disable-next-line no-new-func
      _invoke(typeof fn == 'function' ? fn : Function(fn), args);
    };
    defer(counter);
    return counter;
  };
  clearTask = function clearImmediate(id) {
    delete queue[id];
  };
  // Node.js 0.8-
  if (_cof(process) == 'process') {
    defer = function (id) {
      process.nextTick(_ctx(run, id, 1));
    };
  // Sphere (JS game engine) Dispatch API
  } else if (Dispatch && Dispatch.now) {
    defer = function (id) {
      Dispatch.now(_ctx(run, id, 1));
    };
  // Browsers with MessageChannel, includes WebWorkers
  } else if (MessageChannel) {
    channel = new MessageChannel();
    port = channel.port2;
    channel.port1.onmessage = listener;
    defer = _ctx(port.postMessage, port, 1);
  // Browsers with postMessage, skip WebWorkers
  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
  } else if (_global.addEventListener && typeof postMessage == 'function' && !_global.importScripts) {
    defer = function (id) {
      _global.postMessage(id + '', '*');
    };
    _global.addEventListener('message', listener, false);
  // IE8-
  } else if (ONREADYSTATECHANGE in _domCreate('script')) {
    defer = function (id) {
      _html.appendChild(_domCreate('script'))[ONREADYSTATECHANGE] = function () {
        _html.removeChild(this);
        run.call(id);
      };
    };
  // Rest old browsers
  } else {
    defer = function (id) {
      setTimeout(_ctx(run, id, 1), 0);
    };
  }
}
var _task = {
  set: setTask,
  clear: clearTask
};

var macrotask = _task.set;
var Observer = _global.MutationObserver || _global.WebKitMutationObserver;
var process$1 = _global.process;
var Promise = _global.Promise;
var isNode = _cof(process$1) == 'process';

var _microtask = function () {
  var head, last, notify;

  var flush = function () {
    var parent, fn;
    if (isNode && (parent = process$1.domain)) parent.exit();
    while (head) {
      fn = head.fn;
      head = head.next;
      try {
        fn();
      } catch (e) {
        if (head) notify();
        else last = undefined;
        throw e;
      }
    } last = undefined;
    if (parent) parent.enter();
  };

  // Node.js
  if (isNode) {
    notify = function () {
      process$1.nextTick(flush);
    };
  // browsers with MutationObserver, except iOS Safari - https://github.com/zloirock/core-js/issues/339
  } else if (Observer && !(_global.navigator && _global.navigator.standalone)) {
    var toggle = true;
    var node = document.createTextNode('');
    new Observer(flush).observe(node, { characterData: true }); // eslint-disable-line no-new
    notify = function () {
      node.data = toggle = !toggle;
    };
  // environments with maybe non-completely correct, but existent Promise
  } else if (Promise && Promise.resolve) {
    // Promise.resolve without an argument throws an error in LG WebOS 2
    var promise = Promise.resolve(undefined);
    notify = function () {
      promise.then(flush);
    };
  // for other environments - macrotask based on:
  // - setImmediate
  // - MessageChannel
  // - window.postMessag
  // - onreadystatechange
  // - setTimeout
  } else {
    notify = function () {
      // strange IE + webpack dev server bug - use .call(global)
      macrotask.call(_global, flush);
    };
  }

  return function (fn) {
    var task = { fn: fn, next: undefined };
    if (last) last.next = task;
    if (!head) {
      head = task;
      notify();
    } last = task;
  };
};

// 25.4.1.5 NewPromiseCapability(C)


function PromiseCapability(C) {
  var resolve, reject;
  this.promise = new C(function ($$resolve, $$reject) {
    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
    resolve = $$resolve;
    reject = $$reject;
  });
  this.resolve = _aFunction(resolve);
  this.reject = _aFunction(reject);
}

var f$7 = function (C) {
  return new PromiseCapability(C);
};

var _newPromiseCapability = {
	f: f$7
};

var _perform = function (exec) {
  try {
    return { e: false, v: exec() };
  } catch (e) {
    return { e: true, v: e };
  }
};

var navigator = _global.navigator;

var _userAgent = navigator && navigator.userAgent || '';

var _promiseResolve = function (C, x) {
  _anObject(C);
  if (_isObject(x) && x.constructor === C) return x;
  var promiseCapability = _newPromiseCapability.f(C);
  var resolve = promiseCapability.resolve;
  resolve(x);
  return promiseCapability.promise;
};

var ITERATOR$3 = _wks('iterator');
var SAFE_CLOSING = false;

try {
  var riter = [7][ITERATOR$3]();
  riter['return'] = function () { SAFE_CLOSING = true; };
} catch (e) { /* empty */ }

var _iterDetect = function (exec, skipClosing) {
  if (!skipClosing && !SAFE_CLOSING) return false;
  var safe = false;
  try {
    var arr = [7];
    var iter = arr[ITERATOR$3]();
    iter.next = function () { return { done: safe = true }; };
    arr[ITERATOR$3] = function () { return iter; };
    exec(arr);
  } catch (e) { /* empty */ }
  return safe;
};

var task = _task.set;
var microtask = _microtask();




var PROMISE = 'Promise';
var TypeError$1 = _global.TypeError;
var process$2 = _global.process;
var versions = process$2 && process$2.versions;
var v8 = versions && versions.v8 || '';
var $Promise = _global[PROMISE];
var isNode$1 = _classof(process$2) == 'process';
var empty = function () { /* empty */ };
var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper;
var newPromiseCapability = newGenericPromiseCapability = _newPromiseCapability.f;

var USE_NATIVE$1 = !!function () {
  try {
    // correct subclassing with @@species support
    var promise = $Promise.resolve(1);
    var FakePromise = (promise.constructor = {})[_wks('species')] = function (exec) {
      exec(empty, empty);
    };
    // unhandled rejections tracking support, NodeJS Promise without it fails @@species test
    return (isNode$1 || typeof PromiseRejectionEvent == 'function')
      && promise.then(empty) instanceof FakePromise
      // v8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
      // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
      // we can't detect it synchronously, so just check versions
      && v8.indexOf('6.6') !== 0
      && _userAgent.indexOf('Chrome/66') === -1;
  } catch (e) { /* empty */ }
}();

// helpers
var isThenable = function (it) {
  var then;
  return _isObject(it) && typeof (then = it.then) == 'function' ? then : false;
};
var notify = function (promise, isReject) {
  if (promise._n) return;
  promise._n = true;
  var chain = promise._c;
  microtask(function () {
    var value = promise._v;
    var ok = promise._s == 1;
    var i = 0;
    var run = function (reaction) {
      var handler = ok ? reaction.ok : reaction.fail;
      var resolve = reaction.resolve;
      var reject = reaction.reject;
      var domain = reaction.domain;
      var result, then, exited;
      try {
        if (handler) {
          if (!ok) {
            if (promise._h == 2) onHandleUnhandled(promise);
            promise._h = 1;
          }
          if (handler === true) result = value;
          else {
            if (domain) domain.enter();
            result = handler(value); // may throw
            if (domain) {
              domain.exit();
              exited = true;
            }
          }
          if (result === reaction.promise) {
            reject(TypeError$1('Promise-chain cycle'));
          } else if (then = isThenable(result)) {
            then.call(result, resolve, reject);
          } else resolve(result);
        } else reject(value);
      } catch (e) {
        if (domain && !exited) domain.exit();
        reject(e);
      }
    };
    while (chain.length > i) run(chain[i++]); // variable length - can't use forEach
    promise._c = [];
    promise._n = false;
    if (isReject && !promise._h) onUnhandled(promise);
  });
};
var onUnhandled = function (promise) {
  task.call(_global, function () {
    var value = promise._v;
    var unhandled = isUnhandled(promise);
    var result, handler, console;
    if (unhandled) {
      result = _perform(function () {
        if (isNode$1) {
          process$2.emit('unhandledRejection', value, promise);
        } else if (handler = _global.onunhandledrejection) {
          handler({ promise: promise, reason: value });
        } else if ((console = _global.console) && console.error) {
          console.error('Unhandled promise rejection', value);
        }
      });
      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
      promise._h = isNode$1 || isUnhandled(promise) ? 2 : 1;
    } promise._a = undefined;
    if (unhandled && result.e) throw result.v;
  });
};
var isUnhandled = function (promise) {
  return promise._h !== 1 && (promise._a || promise._c).length === 0;
};
var onHandleUnhandled = function (promise) {
  task.call(_global, function () {
    var handler;
    if (isNode$1) {
      process$2.emit('rejectionHandled', promise);
    } else if (handler = _global.onrejectionhandled) {
      handler({ promise: promise, reason: promise._v });
    }
  });
};
var $reject = function (value) {
  var promise = this;
  if (promise._d) return;
  promise._d = true;
  promise = promise._w || promise; // unwrap
  promise._v = value;
  promise._s = 2;
  if (!promise._a) promise._a = promise._c.slice();
  notify(promise, true);
};
var $resolve = function (value) {
  var promise = this;
  var then;
  if (promise._d) return;
  promise._d = true;
  promise = promise._w || promise; // unwrap
  try {
    if (promise === value) throw TypeError$1("Promise can't be resolved itself");
    if (then = isThenable(value)) {
      microtask(function () {
        var wrapper = { _w: promise, _d: false }; // wrap
        try {
          then.call(value, _ctx($resolve, wrapper, 1), _ctx($reject, wrapper, 1));
        } catch (e) {
          $reject.call(wrapper, e);
        }
      });
    } else {
      promise._v = value;
      promise._s = 1;
      notify(promise, false);
    }
  } catch (e) {
    $reject.call({ _w: promise, _d: false }, e); // wrap
  }
};

// constructor polyfill
if (!USE_NATIVE$1) {
  // 25.4.3.1 Promise(executor)
  $Promise = function Promise(executor) {
    _anInstance(this, $Promise, PROMISE, '_h');
    _aFunction(executor);
    Internal.call(this);
    try {
      executor(_ctx($resolve, this, 1), _ctx($reject, this, 1));
    } catch (err) {
      $reject.call(this, err);
    }
  };
  // eslint-disable-next-line no-unused-vars
  Internal = function Promise(executor) {
    this._c = [];             // <- awaiting reactions
    this._a = undefined;      // <- checked in isUnhandled reactions
    this._s = 0;              // <- state
    this._d = false;          // <- done
    this._v = undefined;      // <- value
    this._h = 0;              // <- rejection state, 0 - default, 1 - handled, 2 - unhandled
    this._n = false;          // <- notify
  };
  Internal.prototype = _redefineAll($Promise.prototype, {
    // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
    then: function then(onFulfilled, onRejected) {
      var reaction = newPromiseCapability(_speciesConstructor(this, $Promise));
      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
      reaction.fail = typeof onRejected == 'function' && onRejected;
      reaction.domain = isNode$1 ? process$2.domain : undefined;
      this._c.push(reaction);
      if (this._a) this._a.push(reaction);
      if (this._s) notify(this, false);
      return reaction.promise;
    },
    // 25.4.5.1 Promise.prototype.catch(onRejected)
    'catch': function (onRejected) {
      return this.then(undefined, onRejected);
    }
  });
  OwnPromiseCapability = function () {
    var promise = new Internal();
    this.promise = promise;
    this.resolve = _ctx($resolve, promise, 1);
    this.reject = _ctx($reject, promise, 1);
  };
  _newPromiseCapability.f = newPromiseCapability = function (C) {
    return C === $Promise || C === Wrapper
      ? new OwnPromiseCapability(C)
      : newGenericPromiseCapability(C);
  };
}

_export(_export.G + _export.W + _export.F * !USE_NATIVE$1, { Promise: $Promise });
_setToStringTag($Promise, PROMISE);
_setSpecies(PROMISE);
Wrapper = _core[PROMISE];

// statics
_export(_export.S + _export.F * !USE_NATIVE$1, PROMISE, {
  // 25.4.4.5 Promise.reject(r)
  reject: function reject(r) {
    var capability = newPromiseCapability(this);
    var $$reject = capability.reject;
    $$reject(r);
    return capability.promise;
  }
});
_export(_export.S + _export.F * (_library || !USE_NATIVE$1), PROMISE, {
  // 25.4.4.6 Promise.resolve(x)
  resolve: function resolve(x) {
    return _promiseResolve(_library && this === Wrapper ? $Promise : this, x);
  }
});
_export(_export.S + _export.F * !(USE_NATIVE$1 && _iterDetect(function (iter) {
  $Promise.all(iter)['catch'](empty);
})), PROMISE, {
  // 25.4.4.1 Promise.all(iterable)
  all: function all(iterable) {
    var C = this;
    var capability = newPromiseCapability(C);
    var resolve = capability.resolve;
    var reject = capability.reject;
    var result = _perform(function () {
      var values = [];
      var index = 0;
      var remaining = 1;
      _forOf(iterable, false, function (promise) {
        var $index = index++;
        var alreadyCalled = false;
        values.push(undefined);
        remaining++;
        C.resolve(promise).then(function (value) {
          if (alreadyCalled) return;
          alreadyCalled = true;
          values[$index] = value;
          --remaining || resolve(values);
        }, reject);
      });
      --remaining || resolve(values);
    });
    if (result.e) reject(result.v);
    return capability.promise;
  },
  // 25.4.4.4 Promise.race(iterable)
  race: function race(iterable) {
    var C = this;
    var capability = newPromiseCapability(C);
    var reject = capability.reject;
    var result = _perform(function () {
      _forOf(iterable, false, function (promise) {
        C.resolve(promise).then(capability.resolve, reject);
      });
    });
    if (result.e) reject(result.v);
    return capability.promise;
  }
});

_export(_export.P + _export.R, 'Promise', { 'finally': function (onFinally) {
  var C = _speciesConstructor(this, _core.Promise || _global.Promise);
  var isFunction = typeof onFinally == 'function';
  return this.then(
    isFunction ? function (x) {
      return _promiseResolve(C, onFinally()).then(function () { return x; });
    } : onFinally,
    isFunction ? function (e) {
      return _promiseResolve(C, onFinally()).then(function () { throw e; });
    } : onFinally
  );
} });

// https://github.com/tc39/proposal-promise-try




_export(_export.S, 'Promise', { 'try': function (callbackfn) {
  var promiseCapability = _newPromiseCapability.f(this);
  var result = _perform(callbackfn);
  (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
  return promiseCapability.promise;
} });

var promise = _core.Promise;

var promise$1 = createCommonjsModule(function (module) {
module.exports = { "default": promise, __esModule: true };
});

var _Promise = unwrapExports(promise$1);

var SET = 'Set';

// 23.2 Set Objects
var es6_set = _collection(SET, function (get) {
  return function Set() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.2.3.1 Set.prototype.add(value)
  add: function add(value) {
    return _collectionStrong.def(_validateCollection(this, SET), value = value === 0 ? 0 : value, value);
  }
}, _collectionStrong);

// https://github.com/DavidBruant/Map-Set.prototype.toJSON


_export(_export.P + _export.R, 'Set', { toJSON: _collectionToJson('Set') });

// https://tc39.github.io/proposal-setmap-offrom/#sec-set.of
_setCollectionOf('Set');

// https://tc39.github.io/proposal-setmap-offrom/#sec-set.from
_setCollectionFrom('Set');

var set = _core.Set;

var set$1 = createCommonjsModule(function (module) {
module.exports = { "default": set, __esModule: true };
});

var _Set = unwrapExports(set$1);

// 19.1.2.1 Object.assign(target, source, ...)





var $assign = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
var _objectAssign = !$assign || _fails(function () {
  var A = {};
  var B = {};
  // eslint-disable-next-line no-undef
  var S = Symbol();
  var K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function (k) { B[k] = k; });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
  var T = _toObject(target);
  var aLen = arguments.length;
  var index = 1;
  var getSymbols = _objectGops.f;
  var isEnum = _objectPie.f;
  while (aLen > index) {
    var S = _iobject(arguments[index++]);
    var keys = getSymbols ? _objectKeys(S).concat(getSymbols(S)) : _objectKeys(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];
  } return T;
} : $assign;

var getWeak = _meta.getWeak;







var arrayFind = _arrayMethods(5);
var arrayFindIndex = _arrayMethods(6);
var id$1 = 0;

// fallback for uncaught frozen keys
var uncaughtFrozenStore = function (that) {
  return that._l || (that._l = new UncaughtFrozenStore());
};
var UncaughtFrozenStore = function () {
  this.a = [];
};
var findUncaughtFrozen = function (store, key) {
  return arrayFind(store.a, function (it) {
    return it[0] === key;
  });
};
UncaughtFrozenStore.prototype = {
  get: function (key) {
    var entry = findUncaughtFrozen(this, key);
    if (entry) return entry[1];
  },
  has: function (key) {
    return !!findUncaughtFrozen(this, key);
  },
  set: function (key, value) {
    var entry = findUncaughtFrozen(this, key);
    if (entry) entry[1] = value;
    else this.a.push([key, value]);
  },
  'delete': function (key) {
    var index = arrayFindIndex(this.a, function (it) {
      return it[0] === key;
    });
    if (~index) this.a.splice(index, 1);
    return !!~index;
  }
};

var _collectionWeak = {
  getConstructor: function (wrapper, NAME, IS_MAP, ADDER) {
    var C = wrapper(function (that, iterable) {
      _anInstance(that, C, NAME, '_i');
      that._t = NAME;      // collection type
      that._i = id$1++;      // collection id
      that._l = undefined; // leak store for uncaught frozen objects
      if (iterable != undefined) _forOf(iterable, IS_MAP, that[ADDER], that);
    });
    _redefineAll(C.prototype, {
      // 23.3.3.2 WeakMap.prototype.delete(key)
      // 23.4.3.3 WeakSet.prototype.delete(value)
      'delete': function (key) {
        if (!_isObject(key)) return false;
        var data = getWeak(key);
        if (data === true) return uncaughtFrozenStore(_validateCollection(this, NAME))['delete'](key);
        return data && _has(data, this._i) && delete data[this._i];
      },
      // 23.3.3.4 WeakMap.prototype.has(key)
      // 23.4.3.4 WeakSet.prototype.has(value)
      has: function has(key) {
        if (!_isObject(key)) return false;
        var data = getWeak(key);
        if (data === true) return uncaughtFrozenStore(_validateCollection(this, NAME)).has(key);
        return data && _has(data, this._i);
      }
    });
    return C;
  },
  def: function (that, key, value) {
    var data = getWeak(_anObject(key), true);
    if (data === true) uncaughtFrozenStore(that).set(key, value);
    else data[that._i] = value;
    return that;
  },
  ufstore: uncaughtFrozenStore
};

var es6_weakMap = createCommonjsModule(function (module) {
var each = _arrayMethods(0);







var WEAK_MAP = 'WeakMap';
var getWeak = _meta.getWeak;
var isExtensible = Object.isExtensible;
var uncaughtFrozenStore = _collectionWeak.ufstore;
var tmp = {};
var InternalMap;

var wrapper = function (get) {
  return function WeakMap() {
    return get(this, arguments.length > 0 ? arguments[0] : undefined);
  };
};

var methods = {
  // 23.3.3.3 WeakMap.prototype.get(key)
  get: function get(key) {
    if (_isObject(key)) {
      var data = getWeak(key);
      if (data === true) return uncaughtFrozenStore(_validateCollection(this, WEAK_MAP)).get(key);
      return data ? data[this._i] : undefined;
    }
  },
  // 23.3.3.5 WeakMap.prototype.set(key, value)
  set: function set(key, value) {
    return _collectionWeak.def(_validateCollection(this, WEAK_MAP), key, value);
  }
};

// 23.3 WeakMap Objects
var $WeakMap = module.exports = _collection(WEAK_MAP, wrapper, methods, _collectionWeak, true, true);

// IE11 WeakMap frozen keys fix
if (_fails(function () { return new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7; })) {
  InternalMap = _collectionWeak.getConstructor(wrapper, WEAK_MAP);
  _objectAssign(InternalMap.prototype, methods);
  _meta.NEED = true;
  each(['delete', 'has', 'get', 'set'], function (key) {
    var proto = $WeakMap.prototype;
    var method = proto[key];
    _redefine(proto, key, function (a, b) {
      // store frozen objects on internal weakmap shim
      if (_isObject(a) && !isExtensible(a)) {
        if (!this._f) this._f = new InternalMap();
        var result = this._f[key](a, b);
        return key == 'set' ? this : result;
      // store all the rest on native weakmap
      } return method.call(this, a, b);
    });
  });
}
});

// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.of
_setCollectionOf('WeakMap');

// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from
_setCollectionFrom('WeakMap');

var weakMap = _core.WeakMap;

var weakMap$1 = createCommonjsModule(function (module) {
module.exports = { "default": weakMap, __esModule: true };
});

var _WeakMap = unwrapExports(weakMap$1);

var classCallCheck = createCommonjsModule(function (module, exports) {

exports.__esModule = true;

exports.default = function (instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};
});

var _classCallCheck = unwrapExports(classCallCheck);

var createClass = createCommonjsModule(function (module, exports) {

exports.__esModule = true;



var _defineProperty2 = _interopRequireDefault(defineProperty$1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = function () {
  function defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      (0, _defineProperty2.default)(target, descriptor.key, descriptor);
    }
  }

  return function (Constructor, protoProps, staticProps) {
    if (protoProps) defineProperties(Constructor.prototype, protoProps);
    if (staticProps) defineProperties(Constructor, staticProps);
    return Constructor;
  };
}();
});

var _createClass = unwrapExports(createClass);

// most Object methods by ES6 should accept primitives



var _objectSap = function (KEY, exec) {
  var fn = (_core.Object || {})[KEY] || Object[KEY];
  var exp = {};
  exp[KEY] = exec(fn);
  _export(_export.S + _export.F * _fails(function () { fn(1); }), 'Object', exp);
};

// 19.1.2.14 Object.keys(O)



_objectSap('keys', function () {
  return function keys(it) {
    return _objectKeys(_toObject(it));
  };
});

var keys = _core.Object.keys;

var keys$1 = createCommonjsModule(function (module) {
module.exports = { "default": keys, __esModule: true };
});

var _Object$keys = unwrapExports(keys$1);

// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)

var $getOwnPropertyDescriptor$1 = _objectGopd.f;

_objectSap('getOwnPropertyDescriptor', function () {
  return function getOwnPropertyDescriptor(it, key) {
    return $getOwnPropertyDescriptor$1(_toIobject(it), key);
  };
});

var $Object$1 = _core.Object;
var getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {
  return $Object$1.getOwnPropertyDescriptor(it, key);
};

var getOwnPropertyDescriptor$1 = createCommonjsModule(function (module) {
module.exports = { "default": getOwnPropertyDescriptor, __esModule: true };
});

var _Object$getOwnPropertyDescriptor = unwrapExports(getOwnPropertyDescriptor$1);

// 19.1.2.7 Object.getOwnPropertyNames(O)
_objectSap('getOwnPropertyNames', function () {
  return _objectGopnExt.f;
});

var $Object$2 = _core.Object;
var getOwnPropertyNames = function getOwnPropertyNames(it) {
  return $Object$2.getOwnPropertyNames(it);
};

var getOwnPropertyNames$1 = createCommonjsModule(function (module) {
module.exports = { "default": getOwnPropertyNames, __esModule: true };
});

var _Object$getOwnPropertyNames = unwrapExports(getOwnPropertyNames$1);

// 19.1.2.9 Object.getPrototypeOf(O)



_objectSap('getPrototypeOf', function () {
  return function getPrototypeOf(it) {
    return _objectGpo(_toObject(it));
  };
});

var getPrototypeOf = _core.Object.getPrototypeOf;

var getPrototypeOf$1 = createCommonjsModule(function (module) {
module.exports = { "default": getPrototypeOf, __esModule: true };
});

var _Object$getPrototypeOf = unwrapExports(getPrototypeOf$1);

// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
_export(_export.S, 'Object', { create: _objectCreate });

var $Object$3 = _core.Object;
var create = function create(P, D) {
  return $Object$3.create(P, D);
};

var create$1 = createCommonjsModule(function (module) {
module.exports = { "default": create, __esModule: true };
});

var _Object$create = unwrapExports(create$1);

// 19.1.3.1 Object.assign(target, source)


_export(_export.S + _export.F, 'Object', { assign: _objectAssign });

var assign = _core.Object.assign;

var assign$1 = createCommonjsModule(function (module) {
module.exports = { "default": assign, __esModule: true };
});

var _Object$assign = unwrapExports(assign$1);

var src = createCommonjsModule(function (module) {
  /**
   * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   *      
   */

  /**
   * Represents the result of a single call to a mock function.
   */

  var MOCK_CONSTRUCTOR_NAME = 'mockConstructor';

  var FUNCTION_NAME_RESERVED_PATTERN = /[\s!-\/:-@\[-`{-~]/;
  var FUNCTION_NAME_RESERVED_REPLACE = new RegExp(FUNCTION_NAME_RESERVED_PATTERN.source, 'g');

  var RESERVED_KEYWORDS = _Object$assign(_Object$create(null), {
    arguments: true,
    await: true,
    break: true,
    case: true,
    catch: true,
    class: true,
    const: true,
    continue: true,
    debugger: true,
    default: true,
    delete: true,
    do: true,
    else: true,
    enum: true,
    eval: true,
    export: true,
    extends: true,
    false: true,
    finally: true,
    for: true,
    function: true,
    if: true,
    implements: true,
    import: true,
    in: true,
    instanceof: true,
    interface: true,
    let: true,
    new: true,
    null: true,
    package: true,
    private: true,
    protected: true,
    public: true,
    return: true,
    static: true,
    super: true,
    switch: true,
    this: true,
    throw: true,
    true: true,
    try: true,
    typeof: true,
    var: true,
    void: true,
    while: true,
    with: true,
    yield: true
  });

  function matchArity(fn, length) {
    var mockConstructor = void 0;

    switch (length) {
      case 1:
        mockConstructor = function mockConstructor(a) {
          return fn.apply(this, arguments);
        };
        break;
      case 2:
        mockConstructor = function mockConstructor(a, b) {
          return fn.apply(this, arguments);
        };
        break;
      case 3:
        mockConstructor = function mockConstructor(a, b, c) {
          return fn.apply(this, arguments);
        };
        break;
      case 4:
        mockConstructor = function mockConstructor(a, b, c, d) {
          return fn.apply(this, arguments);
        };
        break;
      case 5:
        mockConstructor = function mockConstructor(a, b, c, d, e) {
          return fn.apply(this, arguments);
        };
        break;
      case 6:
        mockConstructor = function mockConstructor(a, b, c, d, e, f) {
          return fn.apply(this, arguments);
        };
        break;
      case 7:
        mockConstructor = function mockConstructor(a, b, c, d, e, f, g) {
          return fn.apply(this, arguments);
        };
        break;
      case 8:
        mockConstructor = function mockConstructor(a, b, c, d, e, f, g, h) {
          return fn.apply(this, arguments);
        };
        break;
      case 9:
        mockConstructor = function mockConstructor(a, b, c, d, e, f, g, h, i) {
          return fn.apply(this, arguments);
        };
        break;
      default:
        mockConstructor = function mockConstructor() {
          return fn.apply(this, arguments);
        };
        break;
    }

    return mockConstructor;
  }

  function isA(typeName, value) {
    return Object.prototype.toString.apply(value) === '[object ' + typeName + ']';
  }

  function getType(ref) {
    if (isA('Function', ref) || isA('AsyncFunction', ref) || isA('GeneratorFunction', ref)) {
      return 'function';
    } else if (Array.isArray(ref)) {
      return 'array';
    } else if (isA('Object', ref)) {
      return 'object';
    } else if (isA('Number', ref) || isA('String', ref) || isA('Boolean', ref) || isA('Symbol', ref)) {
      return 'constant';
    } else if (isA('Map', ref) || isA('WeakMap', ref) || isA('Set', ref)) {
      return 'collection';
    } else if (isA('RegExp', ref)) {
      return 'regexp';
    } else if (ref === undefined) {
      return 'undefined';
    } else if (ref === null) {
      return 'null';
    } else {
      return null;
    }
  }

  function isReadonlyProp(object, prop) {
    return (prop === 'arguments' || prop === 'caller' || prop === 'callee' || prop === 'name' || prop === 'length') && (isA('Function', object) || isA('AsyncFunction', object) || isA('GeneratorFunction', object)) || (prop === 'source' || prop === 'global' || prop === 'ignoreCase' || prop === 'multiline') && isA('RegExp', object);
  }

  function getSlots(object) {
    var slots = {};
    if (!object) {
      return [];
    }

    var parent = _Object$getPrototypeOf(object);
    do {
      if (object === _Object$getPrototypeOf(Function)) {
        break;
      }
      var ownNames = _Object$getOwnPropertyNames(object);
      for (var i = 0; i < ownNames.length; i++) {
        var prop = ownNames[i];
        if (!isReadonlyProp(object, prop)) {
          var propDesc = _Object$getOwnPropertyDescriptor(object, prop);
          if (propDesc !== undefined && !propDesc.get || object.__esModule) {
            slots[prop] = true;
          }
        }
      }
      object = parent;
    } while (object && (parent = _Object$getPrototypeOf(object)) !== null);
    return _Object$keys(slots);
  }

  var ModuleMockerClass = function () {

    /**
     * @see README.md
     * @param global Global object of the test environment, used to create
     * mocks
     */
    function ModuleMockerClass(global) {
      _classCallCheck(this, ModuleMockerClass);

      this._environmentGlobal = global;
      this._mockState = new _WeakMap();
      this._mockConfigRegistry = new _WeakMap();
      this._spyState = new _Set();
      this.ModuleMocker = ModuleMockerClass;
      this._invocationCallCounter = 1;
    }

    _createClass(ModuleMockerClass, [{
      key: '_ensureMockConfig',
      value: function _ensureMockConfig(f) {
        var config = this._mockConfigRegistry.get(f);
        if (!config) {
          config = this._defaultMockConfig();
          this._mockConfigRegistry.set(f, config);
        }
        return config;
      }
    }, {
      key: '_ensureMockState',
      value: function _ensureMockState(f) {
        var state = this._mockState.get(f);
        if (!state) {
          state = this._defaultMockState();
          this._mockState.set(f, state);
        }
        return state;
      }
    }, {
      key: '_defaultMockConfig',
      value: function _defaultMockConfig() {
        return {
          defaultReturnValue: undefined,
          isReturnValueLastSet: false,
          mockImpl: undefined,
          mockName: 'jest.fn()',
          specificMockImpls: [],
          specificReturnValues: []
        };
      }
    }, {
      key: '_defaultMockState',
      value: function _defaultMockState() {
        return {
          calls: [],
          instances: [],
          invocationCallOrder: [],
          results: []
        };
      }
    }, {
      key: '_makeComponent',
      value: function _makeComponent(metadata, restore) {
        var _this2 = this;

        if (metadata.type === 'object') {
          return new this._environmentGlobal.Object();
        } else if (metadata.type === 'array') {
          return new this._environmentGlobal.Array();
        } else if (metadata.type === 'regexp') {
          return new this._environmentGlobal.RegExp('');
        } else if (metadata.type === 'constant' || metadata.type === 'collection' || metadata.type === 'null' || metadata.type === 'undefined') {
          return metadata.value;
        } else if (metadata.type === 'function') {
          /* eslint-disable prefer-const */
          var f = void 0;
          /* eslint-enable prefer-const */

          var prototype = metadata.members && metadata.members.prototype && metadata.members.prototype.members || {};
          var prototypeSlots = getSlots(prototype);
          var mocker = this;
          var mockConstructor = matchArity(function () {
            var _this = this,
                _arguments = arguments;

            var mockState = mocker._ensureMockState(f);
            var mockConfig = mocker._ensureMockConfig(f);
            mockState.instances.push(this);
            mockState.calls.push(Array.prototype.slice.call(arguments));
            mockState.invocationCallOrder.push(mocker._invocationCallCounter++);

            // Will be set to the return value of the mock if an error is not thrown
            var finalReturnValue = void 0;
            // Will be set to the error that is thrown by the mock (if it throws)
            var thrownError = void 0;
            // Will be set to true if the mock throws an error. The presence of a
            // value in `thrownError` is not a 100% reliable indicator because a
            // function could throw a value of undefined.
            var callDidThrowError = false;

            try {
              // The bulk of the implementation is wrapped in an immediately
              // executed arrow function so the return value of the mock function
              // can be easily captured and recorded, despite the many separate
              // return points within the logic.
              finalReturnValue = function () {
                if (_this instanceof f) {
                  // This is probably being called as a constructor
                  prototypeSlots.forEach(function (slot) {
                    // Copy prototype methods to the instance to make
                    // it easier to interact with mock instance call and
                    // return values
                    if (prototype[slot].type === 'function') {
                      var protoImpl = _this[slot];
                      _this[slot] = mocker.generateFromMetadata(prototype[slot]);
                      _this[slot]._protoImpl = protoImpl;
                    }
                  });

                  // Run the mock constructor implementation
                  var mockImpl = mockConfig.specificMockImpls.length ? mockConfig.specificMockImpls.shift() : mockConfig.mockImpl;
                  return mockImpl && mockImpl.apply(_this, _arguments);
                }

                var returnValue = mockConfig.defaultReturnValue;
                // If return value is last set, either specific or default, i.e.
                // mockReturnValueOnce()/mockReturnValue() is called and no
                // mockImplementationOnce()/mockImplementation() is called after
                // that.
                // use the set return value.
                if (mockConfig.specificReturnValues.length) {
                  return mockConfig.specificReturnValues.shift();
                }

                if (mockConfig.isReturnValueLastSet) {
                  return mockConfig.defaultReturnValue;
                }

                // If mockImplementationOnce()/mockImplementation() is last set,
                // or specific return values are used up, use the mock
                // implementation.
                var specificMockImpl = void 0;
                if (returnValue === undefined) {
                  specificMockImpl = mockConfig.specificMockImpls.shift();
                  if (specificMockImpl === undefined) {
                    specificMockImpl = mockConfig.mockImpl;
                  }
                  if (specificMockImpl) {
                    return specificMockImpl.apply(_this, _arguments);
                  }
                }

                // Otherwise use prototype implementation
                if (returnValue === undefined && f._protoImpl) {
                  return f._protoImpl.apply(_this, _arguments);
                }

                return returnValue;
              }();
            } catch (error) {
              // Store the thrown error so we can record it, then re-throw it.
              thrownError = error;
              callDidThrowError = true;
              throw error;
            } finally {
              // Record the result of the function
              mockState.results.push({
                isThrow: callDidThrowError,
                value: callDidThrowError ? thrownError : finalReturnValue
              });
            }

            return finalReturnValue;
          }, metadata.length || 0);

          f = this._createMockFunction(metadata, mockConstructor);
          f._isMockFunction = true;
          f.getMockImplementation = function () {
            return _this2._ensureMockConfig(f).mockImpl;
          };

          if (typeof restore === 'function') {
            this._spyState.add(restore);
          }

          this._mockState.set(f, this._defaultMockState());
          this._mockConfigRegistry.set(f, this._defaultMockConfig());

          // $FlowFixMe - defineProperty getters not supported
          Object.defineProperty(f, 'mock', {
            configurable: false,
            enumerable: true,
            get: function get() {
              return _this2._ensureMockState(f);
            },
            set: function set(val) {
              return _this2._mockState.set(f, val);
            }
          });

          f.mockClear = function () {
            _this2._mockState.delete(f);
            return f;
          };

          f.mockReset = function () {
            f.mockClear();
            _this2._mockConfigRegistry.delete(f);
            return f;
          };

          f.mockRestore = function () {
            f.mockReset();
            return restore ? restore() : undefined;
          };

          f.mockReturnValueOnce = function (value) {
            // next function call will return this value or default return value
            var mockConfig = _this2._ensureMockConfig(f);
            mockConfig.specificReturnValues.push(value);
            return f;
          };

          f.mockResolvedValueOnce = function (value) {
            return f.mockImplementationOnce(function () {
              return _Promise.resolve(value);
            });
          };

          f.mockRejectedValueOnce = function (value) {
            return f.mockImplementationOnce(function () {
              return _Promise.reject(value);
            });
          };

          f.mockReturnValue = function (value) {
            // next function call will return specified return value or this one
            var mockConfig = _this2._ensureMockConfig(f);
            mockConfig.isReturnValueLastSet = true;
            mockConfig.defaultReturnValue = value;
            return f;
          };

          f.mockResolvedValue = function (value) {
            return f.mockImplementation(function () {
              return _Promise.resolve(value);
            });
          };

          f.mockRejectedValue = function (value) {
            return f.mockImplementation(function () {
              return _Promise.reject(value);
            });
          };

          f.mockImplementationOnce = function (fn) {
            // next function call will use this mock implementation return value
            // or default mock implementation return value
            var mockConfig = _this2._ensureMockConfig(f);
            mockConfig.isReturnValueLastSet = false;
            mockConfig.specificMockImpls.push(fn);
            return f;
          };

          f.mockImplementation = function (fn) {
            // next function call will use mock implementation return value
            var mockConfig = _this2._ensureMockConfig(f);
            mockConfig.isReturnValueLastSet = false;
            mockConfig.defaultReturnValue = undefined;
            mockConfig.mockImpl = fn;
            return f;
          };

          f.mockReturnThis = function () {
            return f.mockImplementation(function () {
              return this;
            });
          };

          f.mockName = function (name) {
            if (name) {
              var mockConfig = _this2._ensureMockConfig(f);
              mockConfig.mockName = name;
            }
            return f;
          };

          f.getMockName = function () {
            var mockConfig = _this2._ensureMockConfig(f);
            return mockConfig.mockName || 'jest.fn()';
          };

          if (metadata.mockImpl) {
            f.mockImplementation(metadata.mockImpl);
          }

          return f;
        } else {
          var unknownType = metadata.type || 'undefined type';
          throw new Error('Unrecognized type ' + unknownType);
        }
      }
    }, {
      key: '_createMockFunction',
      value: function _createMockFunction(metadata, mockConstructor) {
        var name = metadata.name;
        if (!name) {
          return mockConstructor;
        }

        // Preserve `name` property of mocked function.
        var boundFunctionPrefix = 'bound ';
        var bindCall = '';
        // if-do-while for perf reasons. The common case is for the if to fail.
        if (name && name.startsWith(boundFunctionPrefix)) {
          do {
            name = name.substring(boundFunctionPrefix.length);
            // Call bind() just to alter the function name.
            bindCall = '.bind(null)';
          } while (name && name.startsWith(boundFunctionPrefix));
        }

        // Special case functions named `mockConstructor` to guard for infinite
        // loops.
        if (name === MOCK_CONSTRUCTOR_NAME) {
          return mockConstructor;
        }

        // It's a syntax error to define functions with a reserved keyword
        // as name.
        if (RESERVED_KEYWORDS[name]) {
          name = '$' + name;
        }

        // It's also a syntax error to define a function with a reserved character
        // as part of it's name.
        if (FUNCTION_NAME_RESERVED_PATTERN.test(name)) {
          name = name.replace(FUNCTION_NAME_RESERVED_REPLACE, '$');
        }

        var body = 'return function ' + name + '() {' + 'return ' + MOCK_CONSTRUCTOR_NAME + '.apply(this,arguments);' + '}' + bindCall;
        var createConstructor = new this._environmentGlobal.Function(MOCK_CONSTRUCTOR_NAME, body);

        return createConstructor(mockConstructor);
      }
    }, {
      key: '_generateMock',
      value: function _generateMock(metadata, callbacks, refs) {
        var _this3 = this;

        var mock = this._makeComponent(metadata);
        if (metadata.refID != null) {
          refs[metadata.refID] = mock;
        }

        getSlots(metadata.members).forEach(function (slot) {
          var slotMetadata = metadata.members && metadata.members[slot] || {};
          if (slotMetadata.ref != null) {
            callbacks.push(function () {
              return mock[slot] = refs[slotMetadata.ref];
            });
          } else {
            mock[slot] = _this3._generateMock(slotMetadata, callbacks, refs);
          }
        });

        if (metadata.type !== 'undefined' && metadata.type !== 'null' && mock.prototype) {
          mock.prototype.constructor = mock;
        }

        return mock;
      }

      /**
       * @see README.md
       * @param metadata Metadata for the mock in the schema returned by the
       * getMetadata method of this module.
       */

    }, {
      key: 'generateFromMetadata',
      value: function generateFromMetadata(_metadata) {
        var callbacks = [];
        var refs = {};
        var mock = this._generateMock(_metadata, callbacks, refs);
        callbacks.forEach(function (setter) {
          return setter();
        });
        return mock;
      }

      /**
       * @see README.md
       * @param component The component for which to retrieve metadata.
       */

    }, {
      key: 'getMetadata',
      value: function getMetadata(component, _refs) {
        var _this4 = this;

        var refs = _refs || new _Map();
        var ref = refs.get(component);
        if (ref != null) {
          return { ref: ref };
        }

        var type = getType(component);
        if (!type) {
          return null;
        }

        var metadata = { type: type };
        if (type === 'constant' || type === 'collection' || type === 'undefined' || type === 'null') {
          metadata.value = component;
          return metadata;
        } else if (type === 'function') {
          metadata.name = component.name;
          if (component._isMockFunction) {
            metadata.mockImpl = component.getMockImplementation();
          }
        }

        metadata.refID = refs.size;
        refs.set(component, metadata.refID);

        var members = null;
        // Leave arrays alone
        if (type !== 'array') {
          if (type !== 'undefined') {
            getSlots(component).forEach(function (slot) {
              if (type === 'function' && component._isMockFunction && slot.match(/^mock/)) {
                return;
              }

              if (!component.hasOwnProperty && component[slot] !== undefined || component.hasOwnProperty && component.hasOwnProperty(slot) || type === 'object' && component[slot] != Object.prototype[slot]) {
                var slotMetadata = _this4.getMetadata(component[slot], refs);
                if (slotMetadata) {
                  if (!members) {
                    members = {};
                  }
                  members[slot] = slotMetadata;
                }
              }
            });
          }

          // If component is native code function, prototype might be undefined
          if (type === 'function' && component.prototype) {
            var prototype = this.getMetadata(component.prototype, refs);
            if (prototype && prototype.members) {
              if (!members) {
                members = {};
              }
              members.prototype = prototype;
            }
          }
        }

        if (members) {
          metadata.members = members;
        }

        return metadata;
      }
    }, {
      key: 'isMockFunction',
      value: function isMockFunction(fn) {
        return !!(fn && fn._isMockFunction);
      }
    }, {
      key: 'fn',
      value: function fn(implementation) {
        var length = implementation ? implementation.length : 0;
        var fn = this._makeComponent({ length: length, type: 'function' });
        if (implementation) {
          fn.mockImplementation(implementation);
        }
        return fn;
      }
    }, {
      key: 'spyOn',
      value: function spyOn(object, methodName, accessType) {
        if (accessType) {
          return this._spyOnProperty(object, methodName, accessType);
        }

        if ((typeof object === 'undefined' ? 'undefined' : _typeof(object)) !== 'object' && typeof object !== 'function') {
          throw new Error('Cannot spyOn on a primitive value; ' + this._typeOf(object) + ' given');
        }

        var original = object[methodName];

        if (!this.isMockFunction(original)) {
          if (typeof original !== 'function') {
            throw new Error('Cannot spy the ' + methodName + ' property because it is not a function; ' + this._typeOf(original) + ' given instead');
          }

          object[methodName] = this._makeComponent({ type: 'function' }, function () {
            object[methodName] = original;
          });

          object[methodName].mockImplementation(function () {
            return original.apply(this, arguments);
          });
        }

        return object[methodName];
      }
    }, {
      key: '_spyOnProperty',
      value: function _spyOnProperty(obj, propertyName) {
        var accessType = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'get';

        if ((typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) !== 'object' && typeof obj !== 'function') {
          throw new Error('Cannot spyOn on a primitive value; ' + this._typeOf(obj) + ' given');
        }

        if (!obj) {
          throw new Error('spyOn could not find an object to spy upon for ' + propertyName + '');
        }

        if (!propertyName) {
          throw new Error('No property name supplied');
        }

        var descriptor = _Object$getOwnPropertyDescriptor(obj, propertyName);
        var proto = _Object$getPrototypeOf(obj);

        while (!descriptor && proto !== null) {
          descriptor = _Object$getOwnPropertyDescriptor(proto, propertyName);
          proto = _Object$getPrototypeOf(proto);
        }

        if (!descriptor) {
          throw new Error(propertyName + ' property does not exist');
        }

        if (!descriptor.configurable) {
          throw new Error(propertyName + ' is not declared configurable');
        }

        if (!descriptor[accessType]) {
          throw new Error('Property ' + propertyName + ' does not have access type ' + accessType);
        }

        var original = descriptor[accessType];

        if (!this.isMockFunction(original)) {
          if (typeof original !== 'function') {
            throw new Error('Cannot spy the ' + propertyName + ' property because it is not a function; ' + this._typeOf(original) + ' given instead');
          }

          descriptor[accessType] = this._makeComponent({ type: 'function' }, function () {
            // $FlowFixMe
            descriptor[accessType] = original;
            // $FlowFixMe
            _Object$defineProperty(obj, propertyName, descriptor);
          });

          descriptor[accessType].mockImplementation(function () {
            return original.apply(this, arguments);
          });
        }

        _Object$defineProperty(obj, propertyName, descriptor);
        return descriptor[accessType];
      }
    }, {
      key: 'clearAllMocks',
      value: function clearAllMocks() {
        this._mockState = new _WeakMap();
      }
    }, {
      key: 'resetAllMocks',
      value: function resetAllMocks() {
        this._mockConfigRegistry = new _WeakMap();
        this._mockState = new _WeakMap();
      }
    }, {
      key: 'restoreAllMocks',
      value: function restoreAllMocks() {
        this._spyState.forEach(function (restore) {
          return restore();
        });
        this._spyState = new _Set();
      }
    }, {
      key: '_typeOf',
      value: function _typeOf(value) {
        return value == null ? '' + value : typeof value === 'undefined' ? 'undefined' : _typeof(value);
      }
    }]);

    return ModuleMockerClass;
  }();

  module.exports = new ModuleMockerClass(commonjsGlobal);
});

var index = unwrapExports(src);

return index;

})));