sandpit/dist/sandpit.js

A playground for creative coding using JavaScript and the canvas element

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.Sandpit = 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 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: '2.5.3' };
  if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
});

var _core_1 = _core.version;

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 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 _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$1 = _global.document;
// typeof document.createElement is 'object' in old IE
var is = _isObject(document$1) && _isObject(document$1.createElement);
var _domCreate = function _domCreate(it) {
  return is ? document$1.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 = 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 _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 = '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];
  var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
  var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
  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 _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 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$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() {/* empty */};
var PROTOTYPE$1 = '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$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);
};

// 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$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$5 = function getOwnPropertyNames(it) {
  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN$1(_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$2 = _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 = 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 get$$1() {
      return dP$1(this, 'a', { value: 7 }).a;
    }
  })).a != 7;
}) ? function (it, key, D) {
  var protoDesc = gOPD$1(ObjectProto, key);
  if (protoDesc) delete ObjectProto[key];
  dP$1(it, key, D);
  if (protoDesc && it !== ObjectProto) dP$1(ObjectProto, key, protoDesc);
} : dP$1;

var wrap = function wrap(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 === 'undefined' ? 'undefined' : _typeof(it)) == 'symbol';
} : function (it) {
  return it instanceof $Symbol;
};

var $defineProperty$1 = function defineProperty$$1(it, key, D) {
  if (it === ObjectProto) $defineProperty$1(OPSymbols, key, D);
  _anObject(it);
  key = _toPrimitive(key, true);
  _anObject(D);
  if (_has(AllSymbols, key)) {
    if (!D.enumerable) {
      if (!_has(it, HIDDEN)) dP$1(it, HIDDEN, _propertyDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if (_has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
      D = _objectCreate(D, { enumerable: _propertyDesc(0, false) });
    }return setSymbolDesc(it, key, D);
  }return dP$1(it, key, D);
};
var $defineProperties = function defineProperties(it, P) {
  _anObject(it);
  var keys = _enumKeys(P = _toIobject(P));
  var i = 0;
  var l = keys.length;
  var key;
  while (l > i) {
    $defineProperty$1(it, key = keys[i++], P[key]);
  }return it;
};
var $create = function create$$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$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$2(_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$2(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$2], 'toString', function toString() {
    return this._k;
  });

  _objectGopd.f = $getOwnPropertyDescriptor;
  _objectDp.f = $defineProperty$1;
  _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$1,
  // 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 replacer(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);

// 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$1 = _meta.onFreeze;

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

// 19.1.2.17 Object.seal(O)

var meta$2 = _meta.onFreeze;

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

// 19.1.2.15 Object.preventExtensions(O)

var meta$3 = _meta.onFreeze;

_objectSap('preventExtensions', function ($preventExtensions) {
  return function preventExtensions(it) {
    return $preventExtensions && _isObject(it) ? $preventExtensions(meta$3(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;
  };
});

// 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 });

// 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;
};

// 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);
}

// fast apply, http://jsperf.lnkit.com/fast-apply/5
var _invoke = function _invoke(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 arraySlice = [].slice;
var factories = {};

var construct = function construct(F, len, args) {
  if (!(len in factories)) {
    for (var n = [], i = 0; i < len; i++) {
      n[i] = 'a[' + i + ']';
    } // eslint-disable-next-line no-new-func
    factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
  }return factories[len](F, args);
};

var _bind = Function.bind || function bind(that /* , ...args */) {
  var fn = _aFunction(this);
  var partArgs = arraySlice.call(arguments, 1);
  var bound = function bound() /* args... */{
    var args = partArgs.concat(arraySlice.call(arguments));
    return this instanceof bound ? construct(fn, args.length, args) : _invoke(fn, args, that);
  };
  if (_isObject(fn.prototype)) bound.prototype = fn.prototype;
  return bound;
};

// 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg, args...)


_export(_export.P, 'Function', { bind: _bind });

var dP$2 = _objectDp.f;
var FProto = Function.prototype;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';

// 19.2.4.2 name
NAME in FProto || _descriptors && dP$2(FProto, NAME, {
  configurable: true,
  get: function get() {
    try {
      return ('' + this).match(nameRE)[1];
    } catch (e) {
      return '';
    }
  }
});

var HAS_INSTANCE = _wks('hasInstance');
var FunctionProto = Function.prototype;
// 19.2.3.6 Function.prototype[@@hasInstance](V)
if (!(HAS_INSTANCE in FunctionProto)) _objectDp.f(FunctionProto, HAS_INSTANCE, { value: function value(O) {
    if (typeof this != 'function' || !_isObject(O)) return false;
    if (!_isObject(this.prototype)) return O instanceof this;
    // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
    while (O = _objectGpo(O)) {
      if (this.prototype === O) return true;
    }return false;
  } });

var _stringWs = '\t\n\x0B\f\r \xA0\u1680\u180E\u2000\u2001\u2002\u2003' + '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

var space = '[' + _stringWs + ']';
var non = '\u200B\x85';
var ltrim = RegExp('^' + space + space + '*');
var rtrim = RegExp(space + space + '*$');

var exporter = function exporter(KEY, exec, ALIAS) {
  var exp = {};
  var FORCE = _fails(function () {
    return !!_stringWs[KEY]() || non[KEY]() != non;
  });
  var fn = exp[KEY] = FORCE ? exec(trim) : _stringWs[KEY];
  if (ALIAS) exp[ALIAS] = fn;
  _export(_export.P + _export.F * FORCE, 'String', exp);
};

// 1 -> String#trimLeft
// 2 -> String#trimRight
// 3 -> String#trim
var trim = exporter.trim = function (string, TYPE) {
  string = String(_defined(string));
  if (TYPE & 1) string = string.replace(ltrim, '');
  if (TYPE & 2) string = string.replace(rtrim, '');
  return string;
};

var _stringTrim = exporter;

var $parseInt = _global.parseInt;
var $trim = _stringTrim.trim;

var hex = /^[-+]?0[xX]/;

var _parseInt = $parseInt(_stringWs + '08') !== 8 || $parseInt(_stringWs + '0x16') !== 22 ? function parseInt(str, radix) {
  var string = $trim(String(str), 3);
  return $parseInt(string, radix >>> 0 || (hex.test(string) ? 16 : 10));
} : $parseInt;

// 18.2.5 parseInt(string, radix)
_export(_export.G + _export.F * (parseInt != _parseInt), { parseInt: _parseInt });

var $parseFloat = _global.parseFloat;
var $trim$1 = _stringTrim.trim;

var _parseFloat = 1 / $parseFloat(_stringWs + '-0') !== -Infinity ? function parseFloat(str) {
  var string = $trim$1(String(str), 3);
  var result = $parseFloat(string);
  return result === 0 && string.charAt(0) == '-' ? -0 : result;
} : $parseFloat;

// 18.2.4 parseFloat(string)
_export(_export.G + _export.F * (parseFloat != _parseFloat), { parseFloat: _parseFloat });

var setPrototypeOf = _setProto.set;
var _inheritIfRequired = function _inheritIfRequired(that, target, C) {
  var S = target.constructor;
  var P;
  if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && _isObject(P) && setPrototypeOf) {
    setPrototypeOf(that, P);
  }return that;
};

var gOPN$3 = _objectGopn.f;
var gOPD$2 = _objectGopd.f;
var dP$3 = _objectDp.f;
var $trim$2 = _stringTrim.trim;
var NUMBER = 'Number';
var $Number = _global[NUMBER];
var Base = $Number;
var proto = $Number.prototype;
// Opera ~12 has broken Object#toString
var BROKEN_COF = _cof(_objectCreate(proto)) == NUMBER;
var TRIM = 'trim' in String.prototype;

// 7.1.3 ToNumber(argument)
var toNumber = function toNumber(argument) {
  var it = _toPrimitive(argument, false);
  if (typeof it == 'string' && it.length > 2) {
    it = TRIM ? it.trim() : $trim$2(it, 3);
    var first = it.charCodeAt(0);
    var third, radix, maxCode;
    if (first === 43 || first === 45) {
      third = it.charCodeAt(2);
      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
    } else if (first === 48) {
      switch (it.charCodeAt(1)) {
        case 66:case 98:
          radix = 2;maxCode = 49;break; // fast equal /^0b[01]+$/i
        case 79:case 111:
          radix = 8;maxCode = 55;break; // fast equal /^0o[0-7]+$/i
        default:
          return +it;
      }
      for (var digits = it.slice(2), i = 0, l = digits.length, code; i < l; i++) {
        code = digits.charCodeAt(i);
        // parseInt parses a string to a first unavailable symbol
        // but ToNumber should return NaN if a string contains unavailable symbols
        if (code < 48 || code > maxCode) return NaN;
      }return parseInt(digits, radix);
    }
  }return +it;
};

if (!$Number(' 0o1') || !$Number('0b1') || $Number('+0x1')) {
  $Number = function Number(value) {
    var it = arguments.length < 1 ? 0 : value;
    var that = this;
    return that instanceof $Number
    // check on 1..constructor(foo) case
    && (BROKEN_COF ? _fails(function () {
      proto.valueOf.call(that);
    }) : _cof(that) != NUMBER) ? _inheritIfRequired(new Base(toNumber(it)), that, $Number) : toNumber(it);
  };
  for (var keys = _descriptors ? gOPN$3(Base) : (
  // ES3:
  'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
  // ES6 (in case, if modules with ES6 Number statics required before):
  'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' + 'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger').split(','), j$1 = 0, key; keys.length > j$1; j$1++) {
    if (_has(Base, key = keys[j$1]) && !_has($Number, key)) {
      dP$3($Number, key, gOPD$2(Base, key));
    }
  }
  $Number.prototype = proto;
  proto.constructor = $Number;
  _redefine(_global, NUMBER, $Number);
}

var _aNumberValue = function _aNumberValue(it, msg) {
  if (typeof it != 'number' && _cof(it) != 'Number') throw TypeError(msg);
  return +it;
};

var _stringRepeat = function repeat(count) {
  var str = String(_defined(this));
  var res = '';
  var n = _toInteger(count);
  if (n < 0 || n == Infinity) throw RangeError("Count can't be negative");
  for (; n > 0; (n >>>= 1) && (str += str)) {
    if (n & 1) res += str;
  }return res;
};

var $toFixed = 1.0.toFixed;
var floor$1 = Math.floor;
var data = [0, 0, 0, 0, 0, 0];
var ERROR = 'Number.toFixed: incorrect invocation!';
var ZERO = '0';

var multiply = function multiply(n, c) {
  var i = -1;
  var c2 = c;
  while (++i < 6) {
    c2 += n * data[i];
    data[i] = c2 % 1e7;
    c2 = floor$1(c2 / 1e7);
  }
};
var divide = function divide(n) {
  var i = 6;
  var c = 0;
  while (--i >= 0) {
    c += data[i];
    data[i] = floor$1(c / n);
    c = c % n * 1e7;
  }
};
var numToString = function numToString() {
  var i = 6;
  var s = '';
  while (--i >= 0) {
    if (s !== '' || i === 0 || data[i] !== 0) {
      var t = String(data[i]);
      s = s === '' ? t : s + _stringRepeat.call(ZERO, 7 - t.length) + t;
    }
  }return s;
};
var pow = function pow(x, n, acc) {
  return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
};
var log = function log(x) {
  var n = 0;
  var x2 = x;
  while (x2 >= 4096) {
    n += 12;
    x2 /= 4096;
  }
  while (x2 >= 2) {
    n += 1;
    x2 /= 2;
  }return n;
};

_export(_export.P + _export.F * (!!$toFixed && (0.00008.toFixed(3) !== '0.000' || 0.9.toFixed(0) !== '1' || 1.255.toFixed(2) !== '1.25' || 1000000000000000128.0.toFixed(0) !== '1000000000000000128') || !_fails(function () {
  // V8 ~ Android 4.3-
  $toFixed.call({});
})), 'Number', {
  toFixed: function toFixed(fractionDigits) {
    var x = _aNumberValue(this, ERROR);
    var f = _toInteger(fractionDigits);
    var s = '';
    var m = ZERO;
    var e, z, j, k;
    if (f < 0 || f > 20) throw RangeError(ERROR);
    // eslint-disable-next-line no-self-compare
    if (x != x) return 'NaN';
    if (x <= -1e21 || x >= 1e21) return String(x);
    if (x < 0) {
      s = '-';
      x = -x;
    }
    if (x > 1e-21) {
      e = log(x * pow(2, 69, 1)) - 69;
      z = e < 0 ? x * pow(2, -e, 1) : x / pow(2, e, 1);
      z *= 0x10000000000000;
      e = 52 - e;
      if (e > 0) {
        multiply(0, z);
        j = f;
        while (j >= 7) {
          multiply(1e7, 0);
          j -= 7;
        }
        multiply(pow(10, j, 1), 0);
        j = e - 1;
        while (j >= 23) {
          divide(1 << 23);
          j -= 23;
        }
        divide(1 << j);
        multiply(1, 1);
        divide(2);
        m = numToString();
      } else {
        multiply(0, z);
        multiply(1 << -e, 0);
        m = numToString() + _stringRepeat.call(ZERO, f);
      }
    }
    if (f > 0) {
      k = m.length;
      m = s + (k <= f ? '0.' + _stringRepeat.call(ZERO, f - k) + m : m.slice(0, k - f) + '.' + m.slice(k - f));
    } else {
      m = s + m;
    }return m;
  }
});

var $toPrecision = 1.0.toPrecision;

_export(_export.P + _export.F * (_fails(function () {
  // IE7-
  return $toPrecision.call(1, undefined) !== '1';
}) || !_fails(function () {
  // V8 ~ Android 4.3-
  $toPrecision.call({});
})), 'Number', {
  toPrecision: function toPrecision(precision) {
    var that = _aNumberValue(this, 'Number#toPrecision: incorrect invocation!');
    return precision === undefined ? $toPrecision.call(that) : $toPrecision.call(that, precision);
  }
});

// 20.1.2.1 Number.EPSILON


_export(_export.S, 'Number', { EPSILON: Math.pow(2, -52) });

// 20.1.2.2 Number.isFinite(number)

var _isFinite = _global.isFinite;

_export(_export.S, 'Number', {
  isFinite: function isFinite(it) {
    return typeof it == 'number' && _isFinite(it);
  }
});

// 20.1.2.3 Number.isInteger(number)

var floor$2 = Math.floor;
var _isInteger = function isInteger(it) {
  return !_isObject(it) && isFinite(it) && floor$2(it) === it;
};

// 20.1.2.3 Number.isInteger(number)


_export(_export.S, 'Number', { isInteger: _isInteger });

// 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;
  }
});

// 20.1.2.5 Number.isSafeInteger(number)


var abs = Math.abs;

_export(_export.S, 'Number', {
  isSafeInteger: function isSafeInteger(number) {
    return _isInteger(number) && abs(number) <= 0x1fffffffffffff;
  }
});

// 20.1.2.6 Number.MAX_SAFE_INTEGER


_export(_export.S, 'Number', { MAX_SAFE_INTEGER: 0x1fffffffffffff });

// 20.1.2.10 Number.MIN_SAFE_INTEGER


_export(_export.S, 'Number', { MIN_SAFE_INTEGER: -0x1fffffffffffff });

// 20.1.2.12 Number.parseFloat(string)
_export(_export.S + _export.F * (Number.parseFloat != _parseFloat), 'Number', { parseFloat: _parseFloat });

// 20.1.2.13 Number.parseInt(string, radix)
_export(_export.S + _export.F * (Number.parseInt != _parseInt), 'Number', { parseInt: _parseInt });

// 20.2.2.20 Math.log1p(x)
var _mathLog1p = Math.log1p || function log1p(x) {
  return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : Math.log(1 + x);
};

// 20.2.2.3 Math.acosh(x)


var sqrt = Math.sqrt;
var $acosh = Math.acosh;

_export(_export.S + _export.F * !($acosh
// V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
&& Math.floor($acosh(Number.MAX_VALUE)) == 710
// Tor Browser bug: Math.acosh(Infinity) -> NaN
&& $acosh(Infinity) == Infinity), 'Math', {
  acosh: function acosh(x) {
    return (x = +x) < 1 ? NaN : x > 94906265.62425156 ? Math.log(x) + Math.LN2 : _mathLog1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
  }
});

// 20.2.2.5 Math.asinh(x)

var $asinh = Math.asinh;

function asinh(x) {
  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : Math.log(x + Math.sqrt(x * x + 1));
}

// Tor Browser bug: Math.asinh(0) -> -0
_export(_export.S + _export.F * !($asinh && 1 / $asinh(0) > 0), 'Math', { asinh: asinh });

// 20.2.2.7 Math.atanh(x)

var $atanh = Math.atanh;

// Tor Browser bug: Math.atanh(-0) -> 0
_export(_export.S + _export.F * !($atanh && 1 / $atanh(-0) < 0), 'Math', {
  atanh: function atanh(x) {
    return (x = +x) == 0 ? x : Math.log((1 + x) / (1 - x)) / 2;
  }
});

// 20.2.2.28 Math.sign(x)
var _mathSign = Math.sign || function sign(x) {
  // eslint-disable-next-line no-self-compare
  return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
};

// 20.2.2.9 Math.cbrt(x)


_export(_export.S, 'Math', {
  cbrt: function cbrt(x) {
    return _mathSign(x = +x) * Math.pow(Math.abs(x), 1 / 3);
  }
});

// 20.2.2.11 Math.clz32(x)


_export(_export.S, 'Math', {
  clz32: function clz32(x) {
    return (x >>>= 0) ? 31 - Math.floor(Math.log(x + 0.5) * Math.LOG2E) : 32;
  }
});

// 20.2.2.12 Math.cosh(x)

var exp = Math.exp;

_export(_export.S, 'Math', {
  cosh: function cosh(x) {
    return (exp(x = +x) + exp(-x)) / 2;
  }
});

// 20.2.2.14 Math.expm1(x)
var $expm1 = Math.expm1;
var _mathExpm1 = !$expm1
// Old FF bug
|| $expm1(10) > 22025.465794806719 || $expm1(10) < 22025.4657948067165168
// Tor Browser bug
|| $expm1(-2e-17) != -2e-17 ? function expm1(x) {
  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : Math.exp(x) - 1;
} : $expm1;

// 20.2.2.14 Math.expm1(x)


_export(_export.S + _export.F * (_mathExpm1 != Math.expm1), 'Math', { expm1: _mathExpm1 });

// 20.2.2.16 Math.fround(x)

var pow$1 = Math.pow;
var EPSILON = pow$1(2, -52);
var EPSILON32 = pow$1(2, -23);
var MAX32 = pow$1(2, 127) * (2 - EPSILON32);
var MIN32 = pow$1(2, -126);

var roundTiesToEven = function roundTiesToEven(n) {
  return n + 1 / EPSILON - 1 / EPSILON;
};

var _mathFround = Math.fround || function fround(x) {
  var $abs = Math.abs(x);
  var $sign = _mathSign(x);
  var a, result;
  if ($abs < MIN32) return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32;
  a = (1 + EPSILON32 / EPSILON) * $abs;
  result = a - (a - $abs);
  // eslint-disable-next-line no-self-compare
  if (result > MAX32 || result != result) return $sign * Infinity;
  return $sign * result;
};

// 20.2.2.16 Math.fround(x)


_export(_export.S, 'Math', { fround: _mathFround });

// 20.2.2.17 Math.hypot([value1[, value2[, … ]]])

var abs$1 = Math.abs;

_export(_export.S, 'Math', {
  hypot: function hypot(value1, value2) {
    // eslint-disable-line no-unused-vars
    var sum = 0;
    var i = 0;
    var aLen = arguments.length;
    var larg = 0;
    var arg, div;
    while (i < aLen) {
      arg = abs$1(arguments[i++]);
      if (larg < arg) {
        div = larg / arg;
        sum = sum * div * div + 1;
        larg = arg;
      } else if (arg > 0) {
        div = arg / larg;
        sum += div * div;
      } else sum += arg;
    }
    return larg === Infinity ? Infinity : larg * Math.sqrt(sum);
  }
});

// 20.2.2.18 Math.imul(x, y)

var $imul = Math.imul;

// some WebKit versions fails with big numbers, some has wrong arity
_export(_export.S + _export.F * _fails(function () {
  return $imul(0xffffffff, 5) != -5 || $imul.length != 2;
}), 'Math', {
  imul: function imul(x, y) {
    var UINT16 = 0xffff;
    var xn = +x;
    var yn = +y;
    var xl = UINT16 & xn;
    var yl = UINT16 & yn;
    return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
  }
});

// 20.2.2.21 Math.log10(x)


_export(_export.S, 'Math', {
  log10: function log10(x) {
    return Math.log(x) * Math.LOG10E;
  }
});

// 20.2.2.20 Math.log1p(x)


_export(_export.S, 'Math', { log1p: _mathLog1p });

// 20.2.2.22 Math.log2(x)


_export(_export.S, 'Math', {
  log2: function log2(x) {
    return Math.log(x) / Math.LN2;
  }
});

// 20.2.2.28 Math.sign(x)


_export(_export.S, 'Math', { sign: _mathSign });

// 20.2.2.30 Math.sinh(x)


var exp$1 = Math.exp;

// V8 near Chromium 38 has a problem with very small numbers
_export(_export.S + _export.F * _f