luxon/build/amd/luxon.js

Immutable date wrapper

define(['exports'], function (exports) { 'use strict';

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

var _fails = function _fails(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 get() {
      return 7;
    } }).a != 7;
});

var _core = createCommonjsModule(function (module) {
  var core = module.exports = { version: '2.5.1' };
  if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
});

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





var asyncGenerator = function () {
  function AwaitValue(value) {
    this.value = value;
  }

  function AsyncGenerator(gen) {
    var front, back;

    function send(key, arg) {
      return new Promise(function (resolve, reject) {
        var request = {
          key: key,
          arg: arg,
          resolve: resolve,
          reject: reject,
          next: null
        };

        if (back) {
          back = back.next = request;
        } else {
          front = back = request;
          resume(key, arg);
        }
      });
    }

    function resume(key, arg) {
      try {
        var result = gen[key](arg);
        var value = result.value;

        if (value instanceof AwaitValue) {
          Promise.resolve(value.value).then(function (arg) {
            resume("next", arg);
          }, function (arg) {
            resume("throw", arg);
          });
        } else {
          settle(result.done ? "return" : "normal", result.value);
        }
      } catch (err) {
        settle("throw", err);
      }
    }

    function settle(type, value) {
      switch (type) {
        case "return":
          front.resolve({
            value: value,
            done: true
          });
          break;

        case "throw":
          front.reject(value);
          break;

        default:
          front.resolve({
            value: value,
            done: false
          });
          break;
      }

      front = front.next;

      if (front) {
        resume(front.key, front.arg);
      } else {
        back = null;
      }
    }

    this._invoke = send;

    if (typeof gen.return !== "function") {
      this.return = undefined;
    }
  }

  if (typeof Symbol === "function" && Symbol.asyncIterator) {
    AsyncGenerator.prototype[Symbol.asyncIterator] = function () {
      return this;
    };
  }

  AsyncGenerator.prototype.next = function (arg) {
    return this._invoke("next", arg);
  };

  AsyncGenerator.prototype.throw = function (arg) {
    return this._invoke("throw", arg);
  };

  AsyncGenerator.prototype.return = function (arg) {
    return this._invoke("return", arg);
  };

  return {
    wrap: function (fn) {
      return function () {
        return new AsyncGenerator(fn.apply(this, arguments));
      };
    },
    await: function (value) {
      return new AwaitValue(value);
    }
  };
}();





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

var createClass = 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;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

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





var defineProperty = function (obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
};



var inherits = function (subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};











var possibleConstructorReturn = function (self, call) {
  if (!self) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return call && (typeof call === "object" || typeof call === "function") ? call : self;
};





var slicedToArray = function () {
  function sliceIterator(arr, i) {
    var _arr = [];
    var _n = true;
    var _d = false;
    var _e = undefined;

    try {
      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
        _arr.push(_s.value);

        if (i && _arr.length === i) break;
      }
    } catch (err) {
      _d = true;
      _e = err;
    } finally {
      try {
        if (!_n && _i["return"]) _i["return"]();
      } finally {
        if (_d) throw _e;
      }
    }

    return _arr;
  }

  return function (arr, i) {
    if (Array.isArray(arr)) {
      return arr;
    } else if (Symbol.iterator in Object(arr)) {
      return sliceIterator(arr, i);
    } else {
      throw new TypeError("Invalid attempt to destructure non-iterable instance");
    }
  };
}();













var toConsumableArray = function (arr) {
  if (Array.isArray(arr)) {
    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

    return arr2;
  } else {
    return Array.from(arr);
  }
};

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

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

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

var _ie8DomDefine = !_descriptors && !_fails(function () {
  return Object.defineProperty(_domCreate('div'), 'a', { get: function get() {
      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 _toPrimitive(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$1 = 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$1(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 _propertyDesc(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 id = 0;
var px = Math.random();
var _uid = function _uid(key) {
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};

var _redefine = createCommonjsModule(function (module) {
  var SRC = _uid('src');
  var TO_STRING = 'toString';
  var $toString = Function[TO_STRING];
  var TPL = ('' + $toString).split(TO_STRING);

  _core.inspectSource = function (it) {
    return $toString.call(it);
  };

  (module.exports = function (O, key, val, safe) {
    var isFunction = typeof val == 'function';
    if (isFunction) _has(val, 'name') || _hide(val, 'name', key);
    if (O[key] === val) return;
    if (isFunction) _has(val, SRC) || _hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
    if (O === _global) {
      O[key] = val;
    } else if (!safe) {
      delete O[key];
      _hide(O, key, val);
    } else if (O[key]) {
      O[key] = val;
    } else {
      _hide(O, key, val);
    }
    // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
  })(Function.prototype, TO_STRING, function toString() {
    return typeof this == 'function' && this[SRC] || $toString.call(this);
  });
});

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

// optional / simple context binding

var _ctx = function _ctx(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 PROTOTYPE$1 = 'prototype';

var $export = function $export(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 target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] || (_global[name] = {}) : (_global[name] || {})[PROTOTYPE$1];
  var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
  var expProto = exports[PROTOTYPE$1] || (exports[PROTOTYPE$1] = {});
  var key, own, out, exp;
  if (IS_GLOBAL) source = name;
  for (key in source) {
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    // export native or passed
    out = (own ? target : source)[key];
    // bind timers to global for call from export context
    exp = IS_BIND && own ? _ctx(out, _global) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
    // extend global
    if (target) _redefine(target, key, out, type & $export.U);
    // export
    if (exports[key] != out) _hide(exports, key, exp);
    if (IS_PROTO && expProto[key] != out) expProto[key] = out;
  }
};
_global.core = _core;
// 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;

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 setMeta(it) {
    setDesc(it, META, { value: {
        i: 'O' + ++id, // object ID
        w: {} // weak collections IDs
      } });
  };
  var fastKey = function fastKey(it, create) {
    // return primitive with prefix
    if (!_isObject(it)) return (typeof it === 'undefined' ? 'undefined' : _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 getWeak(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 onFreeze(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 SHARED = '__core-js_shared__';
var store = _global[SHARED] || (_global[SHARED] = {});
var _shared = function _shared(key) {
  return store[key] || (store[key] = {});
};

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

var f$1 = _wks;

var _wksExt = {
	f: f$1
};

var _library = false;

var defineProperty$1 = _objectDp.f;
var _wksDefine = function _wksDefine(name) {
  var $Symbol = _core.Symbol || (_core.Symbol = _library ? {} : _global.Symbol || {});
  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty$1($Symbol, name, { value: _wksExt.f(name) });
};

var toString = {}.toString;

var _cof = function _cof(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);
};

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

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


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

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

// 7.1.15 ToLength

var min = Math.min;
var _toLength = function _toLength(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 _toAbsoluteIndex(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 _arrayIncludes(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 = _shared('keys');

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

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

var _objectKeysInternal = function _objectKeysInternal(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 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 _enumKeys(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';
};

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$1 = _global.document;
var _html = document$1 && document$1.documentElement;

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


var IE_PROTO$1 = _sharedKey('IE_PROTO');
var Empty = function Empty() {/* empty */};
var PROTOTYPE$2 = 'prototype';

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var _createDict = function createDict() {
  // 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$2][_enumBugKeys[i]];
  }return _createDict();
};

var _objectCreate = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    Empty[PROTOTYPE$2] = _anObject(O);
    result = new Empty();
    Empty[PROTOTYPE$2] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO$1] = O;
  } else result = _createDict();
  return Properties === undefined ? result : _objectDps(result, Properties);
};

// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)

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

var f$5 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return _objectKeysInternal(O, hiddenKeys);
};

var _objectGopn = {
  f: f$5
};

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

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

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

var getWindowNames = function getWindowNames(it) {
  try {
    return gOPN$1(it);
  } catch (e) {
    return windowNames.slice();
  }
};

var f$4 = function getOwnPropertyNames(it) {
  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN$1(_toIobject(it));
};

var _objectGopnExt = {
  f: f$4
};

var gOPD$1 = Object.getOwnPropertyDescriptor;

var f$6 = _descriptors ? gOPD$1 : function getOwnPropertyDescriptor(O, P) {
  O = _toIobject(O);
  P = _toPrimitive(P, true);
  if (_ie8DomDefine) try {
    return gOPD$1(O, P);
  } catch (e) {/* empty */}
  if (_has(O, P)) return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
};

var _objectGopd = {
  f: f$6
};

'use strict';
// ECMAScript 6 symbols shim


var META = _meta.KEY;

var gOPD = _objectGopd.f;
var dP = _objectDp.f;
var gOPN = _objectGopnExt.f;
var $Symbol = _global.Symbol;
var $JSON = _global.JSON;
var _stringify = $JSON && $JSON.stringify;
var PROTOTYPE = '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 = Object[PROTOTYPE];
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] || !QObject[PROTOTYPE].findChild;

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

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

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

var $defineProperty = function defineProperty$$1(it, key, D) {
  if (it === ObjectProto) $defineProperty(OPSymbols, key, D);
  _anObject(it);
  key = _toPrimitive(key, true);
  _anObject(D);
  if (_has(AllSymbols, key)) {
    if (!D.enumerable) {
      if (!_has(it, HIDDEN)) dP(it, HIDDEN, _propertyDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if (_has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
      D = _objectCreate(D, { enumerable: _propertyDesc(0, false) });
    }return setSymbolDesc(it, key, D);
  }return dP(it, key, D);
};
var $defineProperties = function defineProperties(it, P) {
  _anObject(it);
  var keys = _enumKeys(P = _toIobject(P));
  var i = 0;
  var l = keys.length;
  var key;
  while (l > i) {
    $defineProperty(it, key = keys[i++], P[key]);
  }return it;
};
var $create = function create$$1(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 && _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 && _has(AllSymbols, key) && !_has(OPSymbols, key)) return;
  var D = gOPD(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(_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;
  var names = gOPN(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, 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 $set(value) {
      if (this === ObjectProto) $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, tag, { configurable: true, set: $set });
    return wrap(tag);
  };
  _redefine($Symbol[PROTOTYPE], '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, '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 _for(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 useSetter() {
    setter = true;
  },
  useSimple: function useSimple() {
    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) {
    if (it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
    var args = [it];
    var i = 1;
    var replacer, $replacer;
    while (arguments.length > i) {
      args.push(arguments[i++]);
    }replacer = args[1];
    if (typeof replacer == 'function') $replacer = replacer;
    if ($replacer || !_isArray(replacer)) replacer = function replacer(key, value) {
      if ($replacer) 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)
$Symbol[PROTOTYPE][TO_PRIMITIVE] || _hide($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
// 19.4.3.5 Symbol.prototype[@@toStringTag]
_setToStringTag($Symbol, 'Symbol');
// 20.2.1.9 Math[@@toStringTag]
_setToStringTag(Math, 'Math', true);
// 24.3.3 JSON[@@toStringTag]
_setToStringTag(_global.JSON, 'JSON', true);

// 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 tryGet(it, key) {
  try {
    return it[key];
  } catch (e) {/* empty */}
};

var _classof = function _classof(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;
};

'use strict';
// 19.1.3.6 Object.prototype.toString()

var test = {};
test[_wks('toStringTag')] = 'z';
if (test + '' != '[object z]') {
  _redefine(Object.prototype, 'toString', function toString() {
    return '[object ' + _classof(this) + ']';
  }, true);
}

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

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

// 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties)
_export(_export.S + _export.F * !_descriptors, 'Object', { defineProperties: _objectDps });

// most Object methods by ES6 should accept primitives


var _objectSap = function _objectSap(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);
};

// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)

var $getOwnPropertyDescriptor$1 = _objectGopd.f;

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

// 7.1.13 ToObject(argument)

var _toObject = function _toObject(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$1 = 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$1 : null;
};

// 19.1.2.9 Object.getPrototypeOf(O)


_objectSap('getPrototypeOf', function () {
  return function getPrototypeOf$$1(it) {
    return _objectGpo(_toObject(it));
  };
});

// 19.1.2.14 Object.keys(O)


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

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

// 19.1.2.5 Object.freeze(O)

var meta = _meta.onFreeze;

_objectSap('freeze', function ($freeze) {
  return function freeze(it) {
    return $freeze && _isObject(it) ? $freeze(meta(it)) : it;
  };
});

// 19.1.2.17 Object.seal(O)

var meta$1 = _meta.onFreeze;

_objectSap('seal', function ($seal) {
  return function seal(it) {
    return $seal && _isObject(it) ? $seal(meta$1(it)) : it;
  };
});

// 19.1.2.15 Object.preventExtensions(O)

var meta$2 = _meta.onFreeze;

_objectSap('preventExtensions', function ($preventExtensions) {
  return function preventExtensions(it) {
    return $preventExtensions && _isObject(it) ? $preventExtensions(meta$2(it)) : it;
  };
});

// 19.1.2.12 Object.isFrozen(O)


_objectSap('isFrozen', function ($isFrozen) {
  return function isFrozen(it) {
    return _isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
  };
});

// 19.1.2.13 Object.isSealed(O)


_objectSap('isSealed', function ($isSealed) {
  return function isSealed(it) {
    return _isObject(it) ? $isSealed ? $isSealed(it) : false : true;
  };
});

// 19.1.2.11 Object.isExtensible(O)


_objectSap('isExtensible', function ($isExtensible) {
  return function isExtensible(it) {
    return _isObject(it) ? $isExtensible ? $isExtensible(it) : true : false;
  };
});

'use strict';
// 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;

// 19.1.3.1 Object.assign(target, source)


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

// 7.2.9 SameValue(x, y)
var _sameValue = Object.is || function is(x, y) {
  // eslint-disable-next-line no-self-compare
  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
};

// 19.1.3.10 Object.is(value1, value2)

_export(_export.S, 'Object', { is: _sameValue });

// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */

var check = function check(O, proto) {
  _anObject(O);
  if (!_isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
};
var _setProto = {
  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
  function (test, buggy, set) {
    try {
      set = _ctx(Function.call, _objectGopd.f(Object.prototype, '__proto__').set, 2);
      set(test, []);
      buggy = !(test instanceof Array);
    } catch (e) {
      buggy = true;
    }
    return function setPrototypeOf(O, proto) {
      check(O, proto);
      if (buggy) O.__proto__ = proto;else set(O, proto);
      return O;
    };
  }({}, false) : undefined),
  check: check
};

// 19.1.3.19 Object.setPrototypeOf(O, proto)

_export(_export.S, 'Object', { setPrototypeOf: _setProto.set });

// true  -> String#at
// false -> String#codePointAt
var _stringAt = function _stringAt(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 _iterators = {};

'use strict';

var IteratorPrototype = {};

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

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

'use strict';

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 returnThis() {
  return this;
};

var _iterDefine = function _iterDefine(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
  _iterCreate(Constructor, NAME, next);
  var getMethod = function getMethod(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 && !_has(IteratorPrototype, ITERATOR)) _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;
};

'use strict';
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 };
});

// 22.1.3.31 Array.prototype[@@unscopables]
var UNSCOPABLES = _wks('unscopables');
var ArrayProto = Array.prototype;
if (ArrayProto[UNSCOPABLES] == undefined) _hide(ArrayProto, UNSCOPABLES, {});
var _addToUnscopables = function _addToUnscopables(key) {
  ArrayProto[UNSCOPABLES][key] = true;
};

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

'use strict';

// 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;

_addToUnscopables('keys');
_addToUnscopables('values');
_addToUnscopables('entries');

var ITERATOR$1 = _wks('iterator');
var TO_STRING_TAG = _wks('toStringTag');
var ArrayValues = _iterators.Array;

var DOMIterables = {
  CSSRuleList: true, // TODO: Not spec compliant, should be false.
  CSSStyleDeclaration: false,
  CSSValueList: false,
  ClientRectList: false,
  DOMRectList: false,
  DOMStringList: false,
  DOMTokenList: true,
  DataTransferItemList: false,
  FileList: false,
  HTMLAllCollection: false,
  HTMLCollection: false,
  HTMLFormElement: false,
  HTMLSelectElement: false,
  MediaList: true, // TODO: Not spec compliant, should be false.
  MimeTypeArray: false,
  NamedNodeMap: false,
  NodeList: true,
  PaintRequestList: false,
  Plugin: false,
  PluginArray: false,
  SVGLengthList: false,
  SVGNumberList: false,
  SVGPathSegList: false,
  SVGPointList: false,
  SVGStringList: false,
  SVGTransformList: false,
  SourceBufferList: false,
  StyleSheetList: true, // TODO: Not spec compliant, should be false.
  TextTrackCueList: false,
  TextTrackList: false,
  TouchList: false
};

for (var collections = _objectKeys(DOMIterables), i = 0; i < collections.length; i++) {
  var NAME = collections[i];
  var explicit = DOMIterables[NAME];
  var Collection = _global[NAME];
  var proto = Collection && Collection.prototype;
  var key;
  if (proto) {
    if (!proto[ITERATOR$1]) _hide(proto, ITERATOR$1, ArrayValues);
    if (!proto[TO_STRING_TAG]) _hide(proto, TO_STRING_TAG, NAME);
    _iterators[NAME] = ArrayValues;
    if (explicit) for (key in es6_array_iterator) {
      if (!proto[key]) _redefine(proto, key, es6_array_iterator[key], true);
    }
  }
}

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

// 20.1.2.4 Number.isNaN(number)


_export(_export.S, 'Number', {
  isNaN: function isNaN(number) {
    // eslint-disable-next-line no-self-compare
    return number != number;
  }
});

// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)


_export(_export.S, 'Array', { isArray: _isArray });

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

var _iterCall = function _iterCall(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$2 = _wks('iterator');
var ArrayProto$1 = Array.prototype;

var _isArrayIter = function _isArrayIter(it) {
  return it !== undefined && (_iterators.Array === it || ArrayProto$1[ITERATOR$2] === it);
};

'use strict';

var _createProperty = function _createProperty(object, index, value) {
  if (index in object) _objectDp.f(object, index, _propertyDesc(0, value));else object[index] = value;
};

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

var core_getIteratorMethod = _core.getIteratorMethod = function (it) {
  if (it != undefined) return it[ITERATOR$3] || it['@@iterator'] || _iterators[_classof(it)];
};

var ITERATOR$4 = _wks('iterator');
var SAFE_CLOSING = false;

try {
  var riter = [7][ITERATOR$4]();
  riter['return'] = function () {
    SAFE_CLOSING = true;
  };
  // eslint-disable-next-line no-throw-literal
  
} catch (e) {/* empty */}

var _iterDetect = function _iterDetect(exec, skipClosing) {
  if (!skipClosing && !SAFE_CLOSING) return false;
  var safe = false;
  try {
    var arr = [7];
    var iter = arr[ITERATOR$4]();
    iter.next = function () {
      return { done: safe = true };
    };
    arr[ITERATOR$4] = function () {
      return iter;
    };
    exec(arr);
  } catch (e) {/* empty */}
  return safe;
};

'use strict';

_export(_export.S + _export.F * !_iterDetect(function (iter) {
  
}), 'Array', {
  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
  from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
    var O = _toObject(arrayLike);
    var C = typeof this == 'function' ? this : Array;
    var aLen = arguments.length;
    var mapfn = aLen > 1 ? arguments[1] : undefined;
    var mapping = mapfn !== undefined;
    var index = 0;
    var iterFn = core_getIteratorMethod(O);
    var length, result, step, iterator;
    if (mapping) mapfn = _ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
    // if object isn't iterable or it's array with default iterator - use simple case
    if (iterFn != undefined && !(C == Array && _isArrayIter(iterFn))) {
      for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {
        _createProperty(result, index, mapping ? _iterCall(iterator, mapfn, [step.value, index], true) : step.value);
      }
    } else {
      length = _toLength(O.length);
      for (result = new C(length); length > index; index++) {
        _createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
      }
    }
    result.length = index;
    return result;
  }
});

'use strict';

// WebKit Array.of isn't generic
_export(_export.S + _export.F * _fails(function () {
  function F() {/* empty */}
  return !(Array.of.call(F) instanceof F);
}), 'Array', {
  // 22.1.2.3 Array.of( ...items)
  of: function of() /* ...args */{
    var index = 0;
    var aLen = arguments.length;
    var result = new (typeof this == 'function' ? this : Array)(aLen);
    while (aLen > index) {
      _createProperty(result, index, arguments[index++]);
    }result.length = aLen;
    return result;
  }
});

'use strict';

var _strictMethod = function _strictMethod(method, arg) {
  return !!method && _fails(function () {
    // eslint-disable-next-line no-useless-call
    arg ? method.call(null, function () {/* empty */}, 1) : method.call(null);
  });
};

'use strict';
// 22.1.3.13 Array.prototype.join(separator)


var arrayJoin = [].join;

// fallback for not array-like strings
_export(_export.P + _export.F * (_iobject != Object || !_strictMethod(arrayJoin)), 'Array', {
  join: function join(separator) {
    return arrayJoin.call(_toIobject(this), separator === undefined ? ',' : separator);
  }
});

'use strict';

var arraySlice = [].slice;

// fallback for not array-like ES3 strings and DOM objects
_export(_export.P + _export.F * _fails(function () {
  if (_html) arraySlice.call(_html);
}), 'Array', {
  slice: function slice(begin, end) {
    var len = _toLength(this.length);
    var klass = _cof(this);
    end = end === undefined ? len : end;
    if (klass == 'Array') return arraySlice.call(this, begin, end);
    var start = _toAbsoluteIndex(begin, len);
    var upTo = _toAbsoluteIndex(end, len);
    var size = _toLength(upTo - start);
    var cloned = Array(size);
    var i = 0;
    for (; i < size; i++) {
      cloned[i] = klass == 'String' ? this.charAt(start + i) : this[start + i];
    }return cloned;
  }
});

'use strict';

var $sort = [].sort;
var test$1 = [1, 2, 3];

_export(_export.P + _export.F * (_fails(function () {
  // IE8-
  test$1.sort(undefined);
}) || !_fails(function () {
  // V8 bug
  test$1.sort(null);
  // Old WebKit
}) || !_strictMethod($sort)), 'Array', {
  // 22.1.3.25 Array.prototype.sort(comparefn)
  sort: function sort(comparefn) {
    return comparefn === undefined ? $sort.call(_toObject(this)) : $sort.call(_toObject(this), _aFunction(comparefn));
  }
});

var SPECIES = _wks('species');

var _arraySpeciesConstructor = function _arraySpeciesConstructor(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];
      if (C === null) C = undefined;
    }
  }return C === undefined ? Array : C;
};

// 9.4.2.3 ArraySpeciesCreate(originalArray, length)


var _arraySpeciesCreate = function _arraySpeciesCreate(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 _arrayMethods(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;
  v