code:
'use strict';
var ctx = require('./_ctx');
var $export = require('./_export');
var createDesc = require('./_property-desc');
var assign = require('./_object-assign');
var create = require('./_object-create');
var getPrototypeOf = require('./_object-gpo');
var getKeys = require('./_object-keys');
var dP = require('./_object-dp');
var keyOf = require('./_keyof');
var aFunction = require('./_a-function');
var forOf = require('./_for-of');
var isIterable = require('./core.is-iterable');
var $iterCreate = require('./_iter-create');
var step = require('./_iter-step');
var isObject = require('./_is-object');
var toIObject = require('./_to-iobject');
var DESCRIPTORS = require('./_descriptors');
var has = require('./_has');

// 0 -> Dict.forEach
// 1 -> Dict.map
// 2 -> Dict.filter
// 3 -> Dict.some
// 4 -> Dict.every
// 5 -> Dict.find
// 6 -> Dict.findKey
// 7 -> Dict.mapPairs
var createDictMethod = function (TYPE) {
  var IS_MAP = TYPE == 1;
  var IS_EVERY = TYPE == 4;
  return function (object, callbackfn, that /* = undefined */) {
    var f = ctx(callbackfn, that, 3);
    var O = toIObject(object);
    var result = IS_MAP || TYPE == 7 || TYPE == 2
          ? new (typeof this == 'function' ? this : Dict)() : undefined;
    var key, val, res;
    for (key in O) if (has(O, key)) {
      val = O[key];
      res = f(val, key, object);
      if (TYPE) {
        if (IS_MAP) result[key] = res;          // map
        else if (res) switch (TYPE) {
          case 2: result[key] = val; break;     // filter
          case 3: return true;                  // some
          case 5: return val;                   // find
          case 6: return key;                   // findKey
          case 7: result[res[0]] = res[1];      // mapPairs
        } else if (IS_EVERY) return false;      // every
      }
    }
    return TYPE == 3 || IS_EVERY ? IS_EVERY : result;
  };
};
var findKey = createDictMethod(6);

var createDictIter = function (kind) {
  return function (it) {
    return new DictIterator(it, kind);
  };
};
var DictIterator = function (iterated, kind) {
  this._t = toIObject(iterated); // target
  this._a = getKeys(iterated);   // keys
  this._i = 0;                   // next index
  this._k = kind;                // kind
};
$iterCreate(DictIterator, 'Dict', function () {
  var that = this;
  var O = that._t;
  var keys = that._a;
  var kind = that._k;
  var key;
  do {
    if (that._i >= keys.length) {
      that._t = undefined;
      return step(1);
    }
  } while (!has(O, key = keys[that._i++]));
  if (kind == 'keys') return step(0, key);
  if (kind == 'values') return step(0, O[key]);
  return step(0, [key, O[key]]);
});

function Dict(iterable) {
  var dict = create(null);
  if (iterable != undefined) {
    if (isIterable(iterable)) {
      forOf(iterable, true, function (key, value) {
        dict[key] = value;
      });
    } else assign(dict, iterable);
  }
  return dict;
}
Dict.prototype = null;

function reduce(object, mapfn, init) {
  aFunction(mapfn);
  var O = toIObject(object);
  var keys = getKeys(O);
  var length = keys.length;
  var i = 0;
  var memo, key;
  if (arguments.length < 3) {
    if (!length) throw TypeError('Reduce of empty object with no initial value');
    memo = O[keys[i++]];
  } else memo = Object(init);
  while (length > i) if (has(O, key = keys[i++])) {
    memo = mapfn(memo, O[key], key, object);
  }
  return memo;
}

function includes(object, el) {
  // eslint-disable-next-line no-self-compare
  return (el == el ? keyOf(object, el) : findKey(object, function (it) {
    // eslint-disable-next-line no-self-compare
    return it != it;
  })) !== undefined;
}

function get(object, key) {
  if (has(object, key)) return object[key];
}
function set(object, key, value) {
  if (DESCRIPTORS && key in Object) dP.f(object, key, createDesc(0, value));
  else object[key] = value;
  return object;
}

function isDict(it) {
  return isObject(it) && getPrototypeOf(it) === Dict.prototype;
}

$export($export.G + $export.F, { Dict: Dict });

$export($export.S, 'Dict', {
  keys: createDictIter('keys'),
  values: createDictIter('values'),
  entries: createDictIter('entries'),
  forEach: createDictMethod(0),
  map: createDictMethod(1),
  filter: createDictMethod(2),
  some: createDictMethod(3),
  every: createDictMethod(4),
  find: createDictMethod(5),
  findKey: findKey,
  mapPairs: createDictMethod(7),
  reduce: reduce,
  keyOf: keyOf,
  includes: includes,
  has: has,
  get: get,
  set: set,
  isDict: isDict
});


code:
var path = require('./_path');
var $export = require('./_export');

// Placeholder
require('./_core')._ = path._ = path._ || {};

$export($export.P + $export.F, 'Function', { part: require('./_partial') });

license: mit


code:
var classof = require('./_classof');
var ITERATOR = require('./_wks')('iterator');
var Iterators = require('./_iterators');
module.exports = require('./_core').getIteratorMethod = function (it) {
  if (it != undefined) return it[ITERATOR]
    || it['@@iterator']
    || Iterators[classof(it)];
};


code:
var anObject = require('./_an-object');
var get = require('./core.get-iterator-method');
module.exports = require('./_core').getIterator = function (it) {
  var iterFn = get(it);
  if (typeof iterFn != 'function') throw TypeError(it + ' is not iterable!');
  return anObject(iterFn.call(it));
};


code:
var classof = require('./_classof');
var ITERATOR = require('./_wks')('iterator');
var Iterators = require('./_iterators');
module.exports = require('./_core').isIterable = function (it) {
  var O = Object(it);
  return O[ITERATOR] !== undefined
    || '@@iterator' in O
    // eslint-disable-next-line no-prototype-builtins
    || Iterators.hasOwnProperty(classof(O));
};


code:
'use strict';
require('./_iter-define')(Number, 'Number', function (iterated) {
  this._l = +iterated;
  this._i = 0;
}, function () {
  var i = this._i++;
  var done = !(i < this._l);
  return { done: done, value: done ? undefined : i };
});


code:
var $export = require('./_export');

$export($export.S + $export.F, 'Object', { classof: require('./_classof') });


code:
var $export = require('./_export');
var define = require('./_object-define');

$export($export.S + $export.F, 'Object', { define: define });


code:
var $export = require('./_export');

$export($export.S + $export.F, 'Object', { isObject: require('./_is-object') });


code:
var $export = require('./_export');
var define = require('./_object-define');
var create = require('./_object-create');

$export($export.S + $export.F, 'Object', {
  make: function (proto, mixin) {
    return define(create(proto), mixin);
  }
});


code:
// https://github.com/benjamingr/RexExp.escape
var $export = require('./_export');
var $re = require('./_replacer')(/[\\^$*+?.()|[\]{}]/g, '\\$&');

$export($export.S, 'RegExp', { escape: function escape(it) { return $re(it); } });


code:
'use strict';
var $export = require('./_export');
var $re = require('./_replacer')(/[&<>"']/g, {
  '&': '&',
  '<': '<',
  '>': '>',
  '"': '"',
  "'": '''
});

$export($export.P + $export.F, 'String', { escapeHTML: function escapeHTML() { return $re(this); } });


code:
'use strict';
var $export = require('./_export');
var $re = require('./_replacer')(/&(?:amp|lt|gt|quot|apos);/g, {
  '&': '&',
  '<': '<',
  '>': '>',
  '"': '"',
  ''': "'"
});

$export($export.P + $export.F, 'String', { unescapeHTML: function unescapeHTML() { return $re(this); } });


code:
// This file still here for a legacy code and will be removed in a near time
require('./es6.object.create');
require('./es6.object.define-property');
require('./es6.object.define-properties');
require('./es6.object.get-own-property-descriptor');
require('./es6.object.get-prototype-of');
require('./es6.object.keys');
require('./es6.object.get-own-property-names');
require('./es6.object.freeze');
require('./es6.object.seal');
require('./es6.object.prevent-extensions');
require('./es6.object.is-frozen');
require('./es6.object.is-sealed');
require('./es6.object.is-extensible');
require('./es6.function.bind');
require('./es6.array.is-array');
require('./es6.array.join');
require('./es6.array.slice');
require('./es6.array.sort');
require('./es6.array.for-each');
require('./es6.array.map');
require('./es6.array.filter');
require('./es6.array.some');
require('./es6.array.every');
require('./es6.array.reduce');
require('./es6.array.reduce-right');
require('./es6.array.index-of');
require('./es6.array.last-index-of');
require('./es6.date.now');
require('./es6.date.to-iso-string');
require('./es6.date.to-json');
require('./es6.parse-int');
require('./es6.parse-float');
require('./es6.string.trim');
require('./es6.regexp.to-string');


code:
// 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
var $export = require('./_export');

$export($export.P, 'Array', { copyWithin: require('./_array-copy-within') });

require('./_add-to-unscopables')('copyWithin');


code:
'use strict';
var $export = require('./_export');
var $every = require('./_array-methods')(4);

$export($export.P + $export.F * !require('./_strict-method')([].every, true), 'Array', {
  // 22.1.3.5 / 15.4.4.16 Array.prototype.every(callbackfn [, thisArg])
  every: function every(callbackfn /* , thisArg */) {
    return $every(this, callbackfn, arguments[1]);
  }
});


code:
// 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
var $export = require('./_export');

$export($export.P, 'Array', { fill: require('./_array-fill') });

require('./_add-to-unscopables')('fill');


code:
'use strict';
var $export = require('./_export');
var $filter = require('./_array-methods')(2);

$export($export.P + $export.F * !require('./_strict-method')([].filter, true), 'Array', {
  // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
  filter: function filter(callbackfn /* , thisArg */) {
    return $filter(this, callbackfn, arguments[1]);
  }
});


code:
'use strict';
// 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
var $export = require('./_export');
var $find = require('./_array-methods')(6);
var KEY = 'findIndex';
var forced = true;
// Shouldn't skip holes
if (KEY in []) Array(1)[KEY](function () { forced = false; });
$export($export.P + $export.F * forced, 'Array', {
  findIndex: function findIndex(callbackfn /* , that = undefined */) {
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
require('./_add-to-unscopables')(KEY);


code:
'use strict';
// 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
var $export = require('./_export');
var $find = require('./_array-methods')(5);
var KEY = 'find';
var forced = true;
// Shouldn't skip holes
if (KEY in []) Array(1)[KEY](function () { forced = false; });
$export($export.P + $export.F * forced, 'Array', {
  find: function find(callbackfn /* , that = undefined */) {
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
require('./_add-to-unscopables')(KEY);


code:
'use strict';
var $export = require('./_export');
var $forEach = require('./_array-methods')(0);
var STRICT = require('./_strict-method')([].forEach, true);

$export($export.P + $export.F * !STRICT, 'Array', {
  // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
  forEach: function forEach(callbackfn /* , thisArg */) {
    return $forEach(this, callbackfn, arguments[1]);
  }
});


code:
'use strict';
var ctx = require('./_ctx');
var $export = require('./_export');
var toObject = require('./_to-object');
var call = require('./_iter-call');
var isArrayIter = require('./_is-array-iter');
var toLength = require('./_to-length');
var createProperty = require('./_create-property');
var getIterFn = require('./core.get-iterator-method');

$export($export.S + $export.F * !require('./_iter-detect')(function (iter) { Array.from(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 = getIterFn(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 ? call(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;
  }
});


code:
'use strict';
var $export = require('./_export');
var $indexOf = require('./_array-includes')(false);
var $native = [].indexOf;
var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;

$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', {
  // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
    return NEGATIVE_ZERO
      // convert -0 to +0
      ? $native.apply(this, arguments) || 0
      : $indexOf(this, searchElement, arguments[1]);
  }
});


code:
// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
var $export = require('./_export');

$export($export.S, 'Array', { isArray: require('./_is-array') });


code:
'use strict';
var addToUnscopables = require('./_add-to-unscopables');
var step = require('./_iter-step');
var Iterators = require('./_iterators');
var toIObject = require('./_to-iobject');

// 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]()
module.exports = require('./_iter-define')(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 step(1);
  }
  if (kind == 'keys') return step(0, index);
  if (kind == 'values') return step(0, O[index]);
  return step(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');


code:
'use strict';
// 22.1.3.13 Array.prototype.join(separator)
var $export = require('./_export');
var toIObject = require('./_to-iobject');
var arrayJoin = [].join;

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


code:
'use strict';
var $export = require('./_export');
var toIObject = require('./_to-iobject');
var toInteger = require('./_to-integer');
var toLength = require('./_to-length');
var $native = [].lastIndexOf;
var NEGATIVE_ZERO = !!$native && 1 / [1].lastIndexOf(1, -0) < 0;

$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', {
  // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])
  lastIndexOf: function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {
    // convert -0 to +0
    if (NEGATIVE_ZERO) return $native.apply(this, arguments) || 0;
    var O = toIObject(this);
    var length = toLength(O.length);
    var index = length - 1;
    if (arguments.length > 1) index = Math.min(index, toInteger(arguments[1]));
    if (index < 0) index = length + index;
    for (;index >= 0; index--) if (index in O) if (O[index] === searchElement) return index || 0;
    return -1;
  }
});


code:
'use strict';
var $export = require('./_export');
var $map = require('./_array-methods')(1);

$export($export.P + $export.F * !require('./_strict-method')([].map, true), 'Array', {
  // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
  map: function map(callbackfn /* , thisArg */) {
    return $map(this, callbackfn, arguments[1]);
  }
});


code:
'use strict';
var $export = require('./_export');
var createProperty = require('./_create-property');

// WebKit Array.of isn't generic
$export($export.S + $export.F * require('./_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;
  }
});


code:
'use strict';
var $export = require('./_export');
var $reduce = require('./_array-reduce');

$export($export.P + $export.F * !require('./_strict-method')([].reduceRight, true), 'Array', {
  // 22.1.3.19 / 15.4.4.22 Array.prototype.reduceRight(callbackfn [, initialValue])
  reduceRight: function reduceRight(callbackfn /* , initialValue */) {
    return $reduce(this, callbackfn, arguments.length, arguments[1], true);
  }
});


code:
'use strict';
var $export = require('./_export');
var $reduce = require('./_array-reduce');

$export($export.P + $export.F * !require('./_strict-method')([].reduce, true), 'Array', {
  // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
  reduce: function reduce(callbackfn /* , initialValue */) {
    return $reduce(this, callbackfn, arguments.length, arguments[1], false);
  }
});


code:
'use strict';
var $export = require('./_export');
var html = require('./_html');
var cof = require('./_cof');
var toAbsoluteIndex = require('./_to-absolute-index');
var toLength = require('./_to-length');
var arraySlice = [].slice;

// fallback for not array-like ES3 strings and DOM objects
$export($export.P + $export.F * require('./_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 = new Array(size);
    var i = 0;
    for (; i < size; i++) cloned[i] = klass == 'String'
      ? this.charAt(start + i)
      : this[start + i];
    return cloned;
  }
});


code:
'use strict';
var $export = require('./_export');
var $some = require('./_array-methods')(3);

$export($export.P + $export.F * !require('./_strict-method')([].some, true), 'Array', {
  // 22.1.3.23 / 15.4.4.17 Array.prototype.some(callbackfn [, thisArg])
  some: function some(callbackfn /* , thisArg */) {
    return $some(this, callbackfn, arguments[1]);
  }
});


code:
'use strict';
var $export = require('./_export');
var aFunction = require('./_a-function');
var toObject = require('./_to-object');
var fails = require('./_fails');
var $sort = [].sort;
var test = [1, 2, 3];

$export($export.P + $export.F * (fails(function () {
  // IE8-
  test.sort(undefined);
}) || !fails(function () {
  // V8 bug
  test.sort(null);
  // Old WebKit
}) || !require('./_strict-method')($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));
  }
});


code:
// 20.3.3.1 / 15.9.4.4 Date.now()
var $export = require('./_export');

$export($export.S, 'Date', { now: function () { return new Date().getTime(); } });


code:
// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
var $export = require('./_export');
var toISOString = require('./_date-to-iso-string');

// PhantomJS / old WebKit has a broken implementations
$export($export.P + $export.F * (Date.prototype.toISOString !== toISOString), 'Date', {
  toISOString: toISOString
});


code:
'use strict';
var $export = require('./_export');
var toObject = require('./_to-object');
var toPrimitive = require('./_to-primitive');

$export($export.P + $export.F * require('./_fails')(function () {
  return new Date(NaN).toJSON() !== null
    || Date.prototype.toJSON.call({ toISOString: function () { return 1; } }) !== 1;
}), 'Date', {
  // eslint-disable-next-line no-unused-vars
  toJSON: function toJSON(key) {
    var O = toObject(this);
    var pv = toPrimitive(O);
    return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
  }
});


code:
var TO_PRIMITIVE = require('./_wks')('toPrimitive');
var proto = Date.prototype;

if (!(TO_PRIMITIVE in proto)) require('./_hide')(proto, TO_PRIMITIVE, require('./_date-to-primitive'));


code:
var DateProto = Date.prototype;
var INVALID_DATE = 'Invalid Date';
var TO_STRING = 'toString';
var $toString = DateProto[TO_STRING];
var getTime = DateProto.getTime;
if (new Date(NaN) + '' != INVALID_DATE) {
  require('./_redefine')(DateProto, TO_STRING, function toString() {
    var value = getTime.call(this);
    // eslint-disable-next-line no-self-compare
    return value === value ? $toString.call(this) : INVALID_DATE;
  });
}


code:
// 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg, args...)
var $export = require('./_export');

$export($export.P, 'Function', { bind: require('./_bind') });


code:
'use strict';
var isObject = require('./_is-object');
var getPrototypeOf = require('./_object-gpo');
var HAS_INSTANCE = require('./_wks')('hasInstance');
var FunctionProto = Function.prototype;
// 19.2.3.6 Function.prototype[@@hasInstance](V)
if (!(HAS_INSTANCE in FunctionProto)) require('./_object-dp').f(FunctionProto, HAS_INSTANCE, { value: function (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 = getPrototypeOf(O)) if (this.prototype === O) return true;
  return false;
} });


code:
var dP = require('./_object-dp').f;
var FProto = Function.prototype;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';

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


code:
'use strict';
var strong = require('./_collection-strong');
var validate = require('./_validate-collection');
var MAP = 'Map';

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


code:
// 20.2.2.3 Math.acosh(x)
var $export = require('./_export');
var log1p = require('./_math-log1p');
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
      : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
  }
});


code:
// 20.2.2.5 Math.asinh(x)
var $export = require('./_export');
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 });


code:
// 20.2.2.7 Math.atanh(x)
var $export = require('./_export');
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;
  }
});


code:
// 20.2.2.9 Math.cbrt(x)
var $export = require('./_export');
var sign = require('./_math-sign');

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


code:
// 20.2.2.11 Math.clz32(x)
var $export = require('./_export');

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


code:
// 20.2.2.12 Math.cosh(x)
var $export = require('./_export');
var exp = Math.exp;

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


code:
// 20.2.2.14 Math.expm1(x)
var $export = require('./_export');
var $expm1 = require('./_math-expm1');

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


code:
// 20.2.2.16 Math.fround(x)
var $export = require('./_export');

$export($export.S, 'Math', { fround: require('./_math-fround') });


code:
// 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
var $export = require('./_export');
var abs = 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(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);
  }
});


code:
// 20.2.2.18 Math.imul(x, y)
var $export = require('./_export');
var $imul = Math.imul;

// some WebKit versions fails with big numbers, some has wrong arity
$export($export.S + $export.F * require('./_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);
  }
});


code:
// 20.2.2.21 Math.log10(x)
var $export = require('./_export');

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


code:
// 20.2.2.20 Math.log1p(x)
var $export = require('./_export');

$export($export.S, 'Math', { log1p: require('./_math-log1p') });


code:
// 20.2.2.22 Math.log2(x)
var $export = require('./_export');

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


code:
// 20.2.2.28 Math.sign(x)
var $export = require('./_export');

$export($export.S, 'Math', { sign: require('./_math-sign') });


code:
// 20.2.2.30 Math.sinh(x)
var $export = require('./_export');
var expm1 = require('./_math-expm1');
var exp = Math.exp;

// V8 near Chromium 38 has a problem with very small numbers
$export($export.S + $export.F * require('./_fails')(function () {
  return !Math.sinh(-2e-17) != -2e-17;
}), 'Math', {
  sinh: function sinh(x) {
    return Math.abs(x = +x) < 1
      ? (expm1(x) - expm1(-x)) / 2
      : (exp(x - 1) - exp(-x - 1)) * (Math.E / 2);
  }
});


code:
// 20.2.2.33 Math.tanh(x)
var $export = require('./_export');
var expm1 = require('./_math-expm1');
var exp = Math.exp;

$export($export.S, 'Math', {
  tanh: function tanh(x) {
    var a = expm1(x = +x);
    var b = expm1(-x);
    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
  }
});


code:
// 20.2.2.34 Math.trunc(x)
var $export = require('./_export');

$export($export.S, 'Math', {
  trunc: function trunc(it) {
    return (it > 0 ? Math.floor : Math.ceil)(it);
  }
});


code:
'use strict';
var global = require('./_global');
var has = require('./_has');
var cof = require('./_cof');
var inheritIfRequired = require('./_inherit-if-required');
var toPrimitive = require('./_to-primitive');
var fails = require('./_fails');
var gOPN = require('./_object-gopn').f;
var gOPD = require('./_object-gopd').f;
var dP = require('./_object-dp').f;
var $trim = require('./_string-trim').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(require('./_object-create')(proto)) == NUMBER;
var TRIM = 'trim' in String.prototype;

// 7.1.3 ToNumber(argument)
var toNumber = function (argument) {
  var it = toPrimitive(argument, false);
  if (typeof it == 'string' && it.length > 2) {
    it = TRIM ? it.trim() : $trim(it, 3);
    var first = it.charCodeAt(0);
    var third, radix, maxCode;
    if (first === 43 || first === 45) {
      third = it.charCodeAt(2);
      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
    } else if (first === 48) {
      switch (it.charCodeAt(1)) {
        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal /^0b[01]+$/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, $Number) : toNumber(it);
  };
  for (var keys = require('./_descriptors') ? gOPN(Base) : (
    // ES3:
    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
    // ES6 (in case, if modules with ES6 Number statics required before):
    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'
  ).split(','), j = 0, key; keys.length > j; j++) {
    if (has(Base, key = keys[j]) && !has($Number, key)) {
      dP($Number, key, gOPD(Base, key));
    }
  }
  $Number.prototype = proto;
  proto.constructor = $Number;
  require('./_redefine')(global, NUMBER, $Number);
}


code:
// 20.1.2.1 Number.EPSILON
var $export = require('./_export');

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


code:
// 20.1.2.2 Number.isFinite(number)
var $export = require('./_export');
var _isFinite = require('./_global').isFinite;

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


code:
// 20.1.2.3 Number.isInteger(number)
var $export = require('./_export');

$export($export.S, 'Number', { isInteger: require('./_is-integer') });


code:
// 20.1.2.4 Number.isNaN(number)
var $export = require('./_export');

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


code:
// 20.1.2.5 Number.isSafeInteger(number)
var $export = require('./_export');
var isInteger = require('./_is-integer');
var abs = Math.abs;

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


code:
// 20.1.2.6 Number.MAX_SAFE_INTEGER
var $export = require('./_export');

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


code:
// 20.1.2.10 Number.MIN_SAFE_INTEGER
var $export = require('./_export');

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


code:
var $export = require('./_export');
var $parseFloat = require('./_parse-float');
// 20.1.2.12 Number.parseFloat(string)
$export($export.S + $export.F * (Number.parseFloat != $parseFloat), 'Number', { parseFloat: $parseFloat });


code:
var $export = require('./_export');
var $parseInt = require('./_parse-int');
// 20.1.2.13 Number.parseInt(string, radix)
$export($export.S + $export.F * (Number.parseInt != $parseInt), 'Number', { parseInt: $parseInt });


code:
'use strict';
var $export = require('./_export');
var toInteger = require('./_to-integer');
var aNumberValue = require('./_a-number-value');
var repeat = require('./_string-repeat');
var $toFixed = 1.0.toFixed;
var floor = Math.floor;
var data = [0, 0, 0, 0, 0, 0];
var ERROR = 'Number.toFixed: incorrect invocation!';
var ZERO = '0';

var multiply = function (n, c) {
  var i = -1;
  var c2 = c;
  while (++i < 6) {
    c2 += n * data[i];
    data[i] = c2 % 1e7;
    c2 = floor(c2 / 1e7);
  }
};
var divide = function (n) {
  var i = 6;
  var c = 0;
  while (--i >= 0) {
    c += data[i];
    data[i] = floor(c / n);
    c = (c % n) * 1e7;
  }
};
var numToString = function () {
  var i = 6;
  var s = '';
  while (--i >= 0) {
    if (s !== '' || i === 0 || data[i] !== 0) {
      var t = String(data[i]);
      s = s === '' ? t : s + repeat.call(ZERO, 7 - t.length) + t;
    }
  } return s;
};
var pow = function (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 (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'
) || !require('./_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() + repeat.call(ZERO, f);
      }
    }
    if (f > 0) {
      k = m.length;
      m = s + (k <= f ? '0.' + repeat.call(ZERO, f - k) + m : m.slice(0, k - f) + '.' + m.slice(k - f));
    } else {
      m = s + m;
    } return m;
  }
});


code:
'use strict';
var $export = require('./_export');
var $fails = require('./_fails');
var aNumberValue = require('./_a-number-value');
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);
  }
});


code:
// 19.1.3.1 Object.assign(target, source)
var $export = require('./_export');

$export($export.S + $export.F, 'Object', { assign: require('./_object-assign') });


code:
var $export = require('./_export');
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
$export($export.S, 'Object', { create: require('./_object-create') });


code:
var $export = require('./_export');
// 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties)
$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperties: require('./_object-dps') });


code:
var $export = require('./_export');
// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperty: require('./_object-dp').f });


code:
// 19.1.2.5 Object.freeze(O)
var isObject = require('./_is-object');
var meta = require('./_meta').onFreeze;

require('./_object-sap')('freeze', function ($freeze) {
  return function freeze(it) {
    return $freeze && isObject(it) ? $freeze(meta(it)) : it;
  };
});


code:
// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
var toIObject = require('./_to-iobject');
var $getOwnPropertyDescriptor = require('./_object-gopd').f;

require('./_object-sap')('getOwnPropertyDescriptor', function () {
  return function getOwnPropertyDescriptor(it, key) {
    return $getOwnPropertyDescriptor(toIObject(it), key);
  };
});


code:
// 19.1.2.7 Object.getOwnPropertyNames(O)
require('./_object-sap')('getOwnPropertyNames', function () {
  return require('./_object-gopn-ext').f;
});


code:
// 19.1.2.9 Object.getPrototypeOf(O)
var toObject = require('./_to-object');
var $getPrototypeOf = require('./_object-gpo');

require('./_object-sap')('getPrototypeOf', function () {
  return function getPrototypeOf(it) {
    return $getPrototypeOf(toObject(it));
  };
});


code:
// 19.1.2.11 Object.isExtensible(O)
var isObject = require('./_is-object');

require('./_object-sap')('isExtensible', function ($isExtensible) {
  return function isExtensible(it) {
    return isObject(it) ? $isExtensible ? $isExtensible(it) : true : false;
  };
});


code:
// 19.1.2.12 Object.isFrozen(O)
var isObject = require('./_is-object');

require('./_object-sap')('isFrozen', function ($isFrozen) {
  return function isFrozen(it) {
    return isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
  };
});


code:
// 19.1.2.13 Object.isSealed(O)
var isObject = require('./_is-object');

require('./_object-sap')('isSealed', function ($isSealed) {
  return function isSealed(it) {
    return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
  };
});


code:
// 19.1.3.10 Object.is(value1, value2)
var $export = require('./_export');
$export($export.S, 'Object', { is: require('./_same-value') });


code:
// 19.1.2.14 Object.keys(O)
var toObject = require('./_to-object');
var $keys = require('./_object-keys');

require('./_object-sap')('keys', function () {
  return function keys(it) {
    return $keys(toObject(it));
  };
});


code:
// 19.1.2.15 Object.preventExtensions(O)
var isObject = require('./_is-object');
var meta = require('./_meta').onFreeze;

require('./_object-sap')('preventExtensions', function ($preventExtensions) {
  return function preventExtensions(it) {
    return $preventExtensions && isObject(it) ? $preventExtensions(meta(it)) : it;
  };
});


code:
// 19.1.2.17 Object.seal(O)
var isObject = require('./_is-object');
var meta = require('./_meta').onFreeze;

require('./_object-sap')('seal', function ($seal) {
  return function seal(it) {
    return $seal && isObject(it) ? $seal(meta(it)) : it;
  };
});


code:
// 19.1.3.19 Object.setPrototypeOf(O, proto)
var $export = require('./_export');
$export($export.S, 'Object', { setPrototypeOf: require('./_set-proto').set });


code:
'use strict';
// 19.1.3.6 Object.prototype.toString()
var classof = require('./_classof');
var test = {};
test[require('./_wks')('toStringTag')] = 'z';
if (test + '' != '[object z]') {
  require('./_redefine')(Object.prototype, 'toString', function toString() {
    return '[object ' + classof(this) + ']';
  }, true);
}


code:
var $export = require('./_export');
var $parseFloat = require('./_parse-float');
// 18.2.4 parseFloat(string)
$export($export.G + $export.F * (parseFloat != $parseFloat), { parseFloat: $parseFloat });


code:
var $export = require('./_export');
var $parseInt = require('./_parse-int');
// 18.2.5 parseInt(string, radix)
$export($export.G + $export.F * (parseInt != $parseInt), { parseInt: $parseInt });


code:
'use strict';
var LIBRARY = require('./_library');
var global = require('./_global');
var ctx = require('./_ctx');
var classof = require('./_classof');
var $export = require('./_export');
var isObject = require('./_is-object');
var aFunction = require('./_a-function');
var anInstance = require('./_an-instance');
var forOf = require('./_for-of');
var speciesConstructor = require('./_species-constructor');
var task = require('./_task').set;
var microtask = require('./_microtask')();
var newPromiseCapabilityModule = require('./_new-promise-capability');
var perform = require('./_perform');
var userAgent = require('./_user-agent');
var promiseResolve = require('./_promise-resolve');
var PROMISE = 'Promise';
var TypeError = global.TypeError;
var process = global.process;
var versions = process && process.versions;
var v8 = versions && versions.v8 || '';
var $Promise = global[PROMISE];
var isNode = classof(process) == 'process';
var empty = function () { /* empty */ };
var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper;
var newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f;

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

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

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

$export($export.G + $export.W + $export.F * !USE_NATIVE, { Promise: $Promise });
require('./_set-to-string-tag')($Promise, PROMISE);
require('./_set-species')(PROMISE);
Wrapper = require('./_core')[PROMISE];

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


code:
// 26.1.1 Reflect.apply(target, thisArgument, argumentsList)
var $export = require('./_export');
var aFunction = require('./_a-function');
var anObject = require('./_an-object');
var rApply = (require('./_global').Reflect || {}).apply;
var fApply = Function.apply;
// MS Edge argumentsList argument is optional
$export($export.S + $export.F * !require('./_fails')(function () {
  rApply(function () { /* empty */ });
}), 'Reflect', {
  apply: function apply(target, thisArgument, argumentsList) {
    var T = aFunction(target);
    var L = anObject(argumentsList);
    return rApply ? rApply(T, thisArgument, L) : fApply.call(T, thisArgument, L);
  }
});


code:
// 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
var $export = require('./_export');
var create = require('./_object-create');
var aFunction = require('./_a-function');
var anObject = require('./_an-object');
var isObject = require('./_is-object');
var fails = require('./_fails');
var bind = require('./_bind');
var rConstruct = (require('./_global').Reflect || {}).construct;

// MS Edge supports only 2 arguments and argumentsList argument is optional
// FF Nightly sets third argument as `new.target`, but does not create `this` from it
var NEW_TARGET_BUG = fails(function () {
  function F() { /* empty */ }
  return !(rConstruct(function () { /* empty */ }, [], F) instanceof F);
});
var ARGS_BUG = !fails(function () {
  rConstruct(function () { /* empty */ });
});

$export($export.S + $export.F * (NEW_TARGET_BUG || ARGS_BUG), 'Reflect', {
  construct: function construct(Target, args /* , newTarget */) {
    aFunction(Target);
    anObject(args);
    var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
    if (ARGS_BUG && !NEW_TARGET_BUG) return rConstruct(Target, args, newTarget);
    if (Target == newTarget) {
      // w/o altered newTarget, optimization for 0-4 arguments
      switch (args.length) {
        case 0: return new Target();
        case 1: return new Target(args[0]);
        case 2: return new Target(args[0], args[1]);
        case 3: return new Target(args[0], args[1], args[2]);
        case 4: return new Target(args[0], args[1], args[2], args[3]);
      }
      // w/o altered newTarget, lot of arguments case
      var $args = [null];
      $args.push.apply($args, args);
      return new (bind.apply(Target, $args))();
    }
    // with altered newTarget, not support built-in constructors
    var proto = newTarget.prototype;
    var instance = create(isObject(proto) ? proto : Object.prototype);
    var result = Function.apply.call(Target, instance, args);
    return isObject(result) ? result : instance;
  }
});


code:
// 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)
var dP = require('./_object-dp');
var $export = require('./_export');
var anObject = require('./_an-object');
var toPrimitive = require('./_to-primitive');

// MS Edge has broken Reflect.defineProperty - throwing instead of returning false
$export($export.S + $export.F * require('./_fails')(function () {
  // eslint-disable-next-line no-undef
  Reflect.defineProperty(dP.f({}, 1, { value: 1 }), 1, { value: 2 });
}), 'Reflect', {
  defineProperty: function defineProperty(target, propertyKey, attributes) {
    anObject(target);
    propertyKey = toPrimitive(propertyKey, true);
    anObject(attributes);
    try {
      dP.f(target, propertyKey, attributes);
      return true;
    } catch (e) {
      return false;
    }
  }
});


code:
// 26.1.4 Reflect.deleteProperty(target, propertyKey)
var $export = require('./_export');
var gOPD = require('./_object-gopd').f;
var anObject = require('./_an-object');

$export($export.S, 'Reflect', {
  deleteProperty: function deleteProperty(target, propertyKey) {
    var desc = gOPD(anObject(target), propertyKey);
    return desc && !desc.configurable ? false : delete target[propertyKey];
  }
});


code:
'use strict';
// 26.1.5 Reflect.enumerate(target)
var $export = require('./_export');
var anObject = require('./_an-object');
var Enumerate = function (iterated) {
  this._t = anObject(iterated); // target
  this._i = 0;                  // next index
  var keys = this._k = [];      // keys
  var key;
  for (key in iterated) keys.push(key);
};
require('./_iter-create')(Enumerate, 'Object', function () {
  var that = this;
  var keys = that._k;
  var key;
  do {
    if (that._i >= keys.length) return { value: undefined, done: true };
  } while (!((key = keys[that._i++]) in that._t));
  return { value: key, done: false };
});

$export($export.S, 'Reflect', {
  enumerate: function enumerate(target) {
    return new Enumerate(target);
  }
});


code:
// 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)
var gOPD = require('./_object-gopd');
var $export = require('./_export');
var anObject = require('./_an-object');

$export($export.S, 'Reflect', {
  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {
    return gOPD.f(anObject(target), propertyKey);
  }
});


code:
// 26.1.8 Reflect.getPrototypeOf(target)
var $export = require('./_export');
var getProto = require('./_object-gpo');
var anObject = require('./_an-object');

$export($export.S, 'Reflect', {
  getPrototypeOf: function getPrototypeOf(target) {
    return getProto(anObject(target));
  }
});


code:
// 26.1.6 Reflect.get(target, propertyKey [, receiver])
var gOPD = require('./_object-gopd');
var getPrototypeOf = require('./_object-gpo');
var has = require('./_has');
var $export = require('./_export');
var isObject = require('./_is-object');
var anObject = require('./_an-object');

function get(target, propertyKey /* , receiver */) {
  var receiver = arguments.length < 3 ? target : arguments[2];
  var desc, proto;
  if (anObject(target) === receiver) return target[propertyKey];
  if (desc = gOPD.f(target, propertyKey)) return has(desc, 'value')
    ? desc.value
    : desc.get !== undefined
      ? desc.get.call(receiver)
      : undefined;
  if (isObject(proto = getPrototypeOf(target))) return get(proto, propertyKey, receiver);
}

$export($export.S, 'Reflect', { get: get });


code:
// 26.1.9 Reflect.has(target, propertyKey)
var $export = require('./_export');

$export($export.S, 'Reflect', {
  has: function has(target, propertyKey) {
    return propertyKey in target;
  }
});


code:
// 26.1.10 Reflect.isExtensible(target)
var $export = require('./_export');
var anObject = require('./_an-object');
var $isExtensible = Object.isExtensible;

$export($export.S, 'Reflect', {
  isExtensible: function isExtensible(target) {
    anObject(target);
    return $isExtensible ? $isExtensible(target) : true;
  }
});


code:
// 26.1.11 Reflect.ownKeys(target)
var $export = require('./_export');

$export($export.S, 'Reflect', { ownKeys: require('./_own-keys') });


code:
// 26.1.12 Reflect.preventExtensions(target)
var $export = require('./_export');
var anObject = require('./_an-object');
var $preventExtensions = Object.preventExtensions;

$export($export.S, 'Reflect', {
  preventExtensions: function preventExtensions(target) {
    anObject(target);
    try {
      if ($preventExtensions) $preventExtensions(target);
      return true;
    } catch (e) {
      return false;
    }
  }
});


code:
// 26.1.14 Reflect.setPrototypeOf(target, proto)
var $export = require('./_export');
var setProto = require('./_set-proto');

if (setProto) $export($export.S, 'Reflect', {
  setPrototypeOf: function setPrototypeOf(target, proto) {
    setProto.check(target, proto);
    try {
      setProto.set(target, proto);
      return true;
    } catch (e) {
      return false;
    }
  }
});


code:
// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
var dP = require('./_object-dp');
var gOPD = require('./_object-gopd');
var getPrototypeOf = require('./_object-gpo');
var has = require('./_has');
var $export = require('./_export');
var createDesc = require('./_property-desc');
var anObject = require('./_an-object');
var isObject = require('./_is-object');

function set(target, propertyKey, V /* , receiver */) {
  var receiver = arguments.length < 4 ? target : arguments[3];
  var ownDesc = gOPD.f(anObject(target), propertyKey);
  var existingDescriptor, proto;
  if (!ownDesc) {
    if (isObject(proto = getPrototypeOf(target))) {
      return set(proto, propertyKey, V, receiver);
    }
    ownDesc = createDesc(0);
  }
  if (has(ownDesc, 'value')) {
    if (ownDesc.writable === false || !isObject(receiver)) return false;
    if (existingDescriptor = gOPD.f(receiver, propertyKey)) {
      if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
      existingDescriptor.value = V;
      dP.f(receiver, propertyKey, existingDescriptor);
    } else dP.f(receiver, propertyKey, createDesc(0, V));
    return true;
  }
  return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}

$export($export.S, 'Reflect', { set: set });


code:
var global = require('./_global');
var inheritIfRequired = require('./_inherit-if-required');
var dP = require('./_object-dp').f;
var gOPN = require('./_object-gopn').f;
var isRegExp = require('./_is-regexp');
var $flags = require('./_flags');
var $RegExp = global.RegExp;
var Base = $RegExp;
var proto = $RegExp.prototype;
var re1 = /a/g;
var re2 = /a/g;
// "new" creates a new object, old webkit buggy here
var CORRECT_NEW = new $RegExp(re1) !== re1;

if (require('./_descriptors') && (!CORRECT_NEW || require('./_fails')(function () {
  re2[require('./_wks')('match')] = false;
  // RegExp constructor can alter flags and IsRegExp works correct with @@match
  return $RegExp(re1) != re1 || $RegExp(re2) == re2 || $RegExp(re1, 'i') != '/a/i';
}))) {
  $RegExp = function RegExp(p, f) {
    var tiRE = this instanceof $RegExp;
    var piRE = isRegExp(p);
    var fiU = f === undefined;
    return !tiRE && piRE && p.constructor === $RegExp && fiU ? p
      : inheritIfRequired(CORRECT_NEW
        ? new Base(piRE && !fiU ? p.source : p, f)
        : Base((piRE = p instanceof $RegExp) ? p.source : p, piRE && fiU ? $flags.call(p) : f)
      , tiRE ? this : proto, $RegExp);
  };
  var proxy = function (key) {
    key in $RegExp || dP($RegExp, key, {
      configurable: true,
      get: function () { return Base[key]; },
      set: function (it) { Base[key] = it; }
    });
  };
  for (var keys = gOPN(Base), i = 0; keys.length > i;) proxy(keys[i++]);
  proto.constructor = $RegExp;
  $RegExp.prototype = proto;
  require('./_redefine')(global, 'RegExp', $RegExp);
}

require('./_set-species')('RegExp');


code:
'use strict';
var regexpExec = require('./_regexp-exec');
require('./_export')({
  target: 'RegExp',
  proto: true,
  forced: regexpExec !== /./.exec
}, {
  exec: regexpExec
});


code:
// 21.2.5.3 get RegExp.prototype.flags()
if (require('./_descriptors') && /./g.flags != 'g') require('./_object-dp').f(RegExp.prototype, 'flags', {
  configurable: true,
  get: require('./_flags')
});


code:
'use strict';

var anObject = require('./_an-object');
var toLength = require('./_to-length');
var advanceStringIndex = require('./_advance-string-index');
var regExpExec = require('./_regexp-exec-abstract');

// @@match logic
require('./_fix-re-wks')('match', 1, function (defined, MATCH, $match, maybeCallNative) {
  return [
    // `String.prototype.match` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.match
    function match(regexp) {
      var O = defined(this);
      var fn = regexp == undefined ? undefined : regexp[MATCH];
      return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
    },
    // `RegExp.prototype[@@match]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
    function (regexp) {
      var res = maybeCallNative($match, regexp, this);
      if (res.done) return res.value;
      var rx = anObject(regexp);
      var S = String(this);
      if (!rx.global) return regExpExec(rx, S);
      var fullUnicode = rx.unicode;
      rx.lastIndex = 0;
      var A = [];
      var n = 0;
      var result;
      while ((result = regExpExec(rx, S)) !== null) {
        var matchStr = String(result[0]);
        A[n] = matchStr;
        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
        n++;
      }
      return n === 0 ? null : A;
    }
  ];
});


code:
'use strict';

var anObject = require('./_an-object');
var toObject = require('./_to-object');
var toLength = require('./_to-length');
var toInteger = require('./_to-integer');
var advanceStringIndex = require('./_advance-string-index');
var regExpExec = require('./_regexp-exec-abstract');
var max = Math.max;
var min = Math.min;
var floor = Math.floor;
var SUBSTITUTION_SYMBOLS = /\$([$&`']|\d\d?|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&`']|\d\d?)/g;

var maybeToString = function (it) {
  return it === undefined ? it : String(it);
};

// @@replace logic
require('./_fix-re-wks')('replace', 2, function (defined, REPLACE, $replace, maybeCallNative) {
  return [
    // `String.prototype.replace` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.replace
    function replace(searchValue, replaceValue) {
      var O = defined(this);
      var fn = searchValue == undefined ? undefined : searchValue[REPLACE];
      return fn !== undefined
        ? fn.call(searchValue, O, replaceValue)
        : $replace.call(String(O), searchValue, replaceValue);
    },
    // `RegExp.prototype[@@replace]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
    function (regexp, replaceValue) {
      var res = maybeCallNative($replace, regexp, this, replaceValue);
      if (res.done) return res.value;

      var rx = anObject(regexp);
      var S = String(this);
      var functionalReplace = typeof replaceValue === 'function';
      if (!functionalReplace) replaceValue = String(replaceValue);
      var global = rx.global;
      if (global) {
        var fullUnicode = rx.unicode;
        rx.lastIndex = 0;
      }
      var results = [];
      while (true) {
        var result = regExpExec(rx, S);
        if (result === null) break;
        results.push(result);
        if (!global) break;
        var matchStr = String(result[0]);
        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
      }
      var accumulatedResult = '';
      var nextSourcePosition = 0;
      for (var i = 0; i < results.length; i++) {
        result = results[i];
        var matched = String(result[0]);
        var position = max(min(toInteger(result.index), S.length), 0);
        var captures = [];
        // NOTE: This is equivalent to
        //   captures = result.slice(1).map(maybeToString)
        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
        // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
        var namedCaptures = result.groups;
        if (functionalReplace) {
          var replacerArgs = [matched].concat(captures, position, S);
          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
          var replacement = String(replaceValue.apply(undefined, replacerArgs));
        } else {
          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
        }
        if (position >= nextSourcePosition) {
          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
          nextSourcePosition = position + matched.length;
        }
      }
      return accumulatedResult + S.slice(nextSourcePosition);
    }
  ];

    // https://tc39.github.io/ecma262/#sec-getsubstitution
  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
    var tailPos = position + matched.length;
    var m = captures.length;
    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
    if (namedCaptures !== undefined) {
      namedCaptures = toObject(namedCaptures);
      symbols = SUBSTITUTION_SYMBOLS;
    }
    return $replace.call(replacement, symbols, function (match, ch) {
      var capture;
      switch (ch.charAt(0)) {
        case '$': return '$';
        case '&': return matched;
        case '`': return str.slice(0, position);
        case "'": return str.slice(tailPos);
        case '<':
          capture = namedCaptures[ch.slice(1, -1)];
          break;
        default: // \d\d?
          var n = +ch;
          if (n === 0) return match;
          if (n > m) {
            var f = floor(n / 10);
            if (f === 0) return match;
            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
            return match;
          }
          capture = captures[n - 1];
      }
      return capture === undefined ? '' : capture;
    });
  }
});


code:
'use strict';

var anObject = require('./_an-object');
var sameValue = require('./_same-value');
var regExpExec = require('./_regexp-exec-abstract');

// @@search logic
require('./_fix-re-wks')('search', 1, function (defined, SEARCH, $search, maybeCallNative) {
  return [
    // `String.prototype.search` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.search
    function search(regexp) {
      var O = defined(this);
      var fn = regexp == undefined ? undefined : regexp[SEARCH];
      return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
    },
    // `RegExp.prototype[@@search]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
    function (regexp) {
      var res = maybeCallNative($search, regexp, this);
      if (res.done) return res.value;
      var rx = anObject(regexp);
      var S = String(this);
      var previousLastIndex = rx.lastIndex;
      if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
      var result = regExpExec(rx, S);
      if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
      return result === null ? -1 : result.index;
    }
  ];
});


code:
'use strict';

var isRegExp = require('./_is-regexp');
var anObject = require('./_an-object');
var speciesConstructor = require('./_species-constructor');
var advanceStringIndex = require('./_advance-string-index');
var toLength = require('./_to-length');
var callRegExpExec = require('./_regexp-exec-abstract');
var regexpExec = require('./_regexp-exec');
var fails = require('./_fails');
var $min = Math.min;
var $push = [].push;
var $SPLIT = 'split';
var LENGTH = 'length';
var LAST_INDEX = 'lastIndex';
var MAX_UINT32 = 0xffffffff;

// babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
var SUPPORTS_Y = !fails(function () { RegExp(MAX_UINT32, 'y'); });

// @@split logic
require('./_fix-re-wks')('split', 2, function (defined, SPLIT, $split, maybeCallNative) {
  var internalSplit;
  if (
    'abbc'[$SPLIT](/(b)*/)[1] == 'c' ||
    'test'[$SPLIT](/(?:)/, -1)[LENGTH] != 4 ||
    'ab'[$SPLIT](/(?:ab)*/)[LENGTH] != 2 ||
    '.'[$SPLIT](/(.?)(.?)/)[LENGTH] != 4 ||
    '.'[$SPLIT](/()()/)[LENGTH] > 1 ||
    ''[$SPLIT](/.?/)[LENGTH]
  ) {
    // based on es5-shim implementation, need to rework it
    internalSplit = function (separator, limit) {
      var string = String(this);
      if (separator === undefined && limit === 0) return [];
      // If `separator` is not a regex, use native split
      if (!isRegExp(separator)) return $split.call(string, separator, limit);
      var output = [];
      var flags = (separator.ignoreCase ? 'i' : '') +
                  (separator.multiline ? 'm' : '') +
                  (separator.unicode ? 'u' : '') +
                  (separator.sticky ? 'y' : '');
      var lastLastIndex = 0;
      var splitLimit = limit === undefined ? MAX_UINT32 : limit >>> 0;
      // Make `global` and avoid `lastIndex` issues by working with a copy
      var separatorCopy = new RegExp(separator.source, flags + 'g');
      var match, lastIndex, lastLength;
      while (match = regexpExec.call(separatorCopy, string)) {
        lastIndex = separatorCopy[LAST_INDEX];
        if (lastIndex > lastLastIndex) {
          output.push(string.slice(lastLastIndex, match.index));
          if (match[LENGTH] > 1 && match.index < string[LENGTH]) $push.apply(output, match.slice(1));
          lastLength = match[0][LENGTH];
          lastLastIndex = lastIndex;
          if (output[LENGTH] >= splitLimit) break;
        }
        if (separatorCopy[LAST_INDEX] === match.index) separatorCopy[LAST_INDEX]++; // Avoid an infinite loop
      }
      if (lastLastIndex === string[LENGTH]) {
        if (lastLength || !separatorCopy.test('')) output.push('');
      } else output.push(string.slice(lastLastIndex));
      return output[LENGTH] > splitLimit ? output.slice(0, splitLimit) : output;
    };
  // Chakra, V8
  } else if ('0'[$SPLIT](undefined, 0)[LENGTH]) {
    internalSplit = function (separator, limit) {
      return separator === undefined && limit === 0 ? [] : $split.call(this, separator, limit);
    };
  } else {
    internalSplit = $split;
  }

  return [
    // `String.prototype.split` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.split
    function split(separator, limit) {
      var O = defined(this);
      var splitter = separator == undefined ? undefined : separator[SPLIT];
      return splitter !== undefined
        ? splitter.call(separator, O, limit)
        : internalSplit.call(String(O), separator, limit);
    },
    // `RegExp.prototype[@@split]` method
    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
    //
    // NOTE: This cannot be properly polyfilled in engines that don't support
    // the 'y' flag.
    function (regexp, limit) {
      var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== $split);
      if (res.done) return res.value;

      var rx = anObject(regexp);
      var S = String(this);
      var C = speciesConstructor(rx, RegExp);

      var unicodeMatching = rx.unicode;
      var flags = (rx.ignoreCase ? 'i' : '') +
                  (rx.multiline ? 'm' : '') +
                  (rx.unicode ? 'u' : '') +
                  (SUPPORTS_Y ? 'y' : 'g');

      // ^(? + rx + ) is needed, in combination with some S slicing, to
      // simulate the 'y' flag.
      var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
      if (lim === 0) return [];
      if (S.length === 0) return callRegExpExec(splitter, S) === null ? [S] : [];
      var p = 0;
      var q = 0;
      var A = [];
      while (q < S.length) {
        splitter.lastIndex = SUPPORTS_Y ? q : 0;
        var z = callRegExpExec(splitter, SUPPORTS_Y ? S : S.slice(q));
        var e;
        if (
          z === null ||
          (e = $min(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p
        ) {
          q = advanceStringIndex(S, q, unicodeMatching);
        } else {
          A.push(S.slice(p, q));
          if (A.length === lim) return A;
          for (var i = 1; i <= z.length - 1; i++) {
            A.push(z[i]);
            if (A.length === lim) return A;
          }
          q = p = e;
        }
      }
      A.push(S.slice(p));
      return A;
    }
  ];
});


code:
'use strict';
require('./es6.regexp.flags');
var anObject = require('./_an-object');
var $flags = require('./_flags');
var DESCRIPTORS = require('./_descriptors');
var TO_STRING = 'toString';
var $toString = /./[TO_STRING];

var define = function (fn) {
  require('./_redefine')(RegExp.prototype, TO_STRING, fn, true);
};

// 21.2.5.14 RegExp.prototype.toString()
if (require('./_fails')(function () { return $toString.call({ source: 'a', flags: 'b' }) != '/a/b'; })) {
  define(function toString() {
    var R = anObject(this);
    return '/'.concat(R.source, '/',
      'flags' in R ? R.flags : !DESCRIPTORS && R instanceof RegExp ? $flags.call(R) : undefined);
  });
// FF44- RegExp#toString has a wrong name
} else if ($toString.name != TO_STRING) {
  define(function toString() {
    return $toString.call(this);
  });
}


code:
'use strict';
var strong = require('./_collection-strong');
var validate = require('./_validate-collection');
var SET = 'Set';

// 23.2 Set Objects
module.exports = require('./_collection')(SET, function (get) {
  return function Set() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.2.3.1 Set.prototype.add(value)
  add: function add(value) {
    return strong.def(validate(this, SET), value = value === 0 ? 0 : value, value);
  }
}, strong);


code:
'use strict';
// B.2.3.2 String.prototype.anchor(name)
require('./_string-html')('anchor', function (createHTML) {
  return function anchor(name) {
    return createHTML(this, 'a', 'name', name);
  };
});


code:
'use strict';
// B.2.3.3 String.prototype.big()
require('./_string-html')('big', function (createHTML) {
  return function big() {
    return createHTML(this, 'big', '', '');
  };
});


code:
'use strict';
// B.2.3.4 String.prototype.blink()
require('./_string-html')('blink', function (createHTML) {
  return function blink() {
    return createHTML(this, 'blink', '', '');
  };
});


code:
'use strict';
// B.2.3.5 String.prototype.bold()
require('./_string-html')('bold', function (createHTML) {
  return function bold() {
    return createHTML(this, 'b', '', '');
  };
});


code:
'use strict';
var $export = require('./_export');
var $at = require('./_string-at')(false);
$export($export.P, 'String', {
  // 21.1.3.3 String.prototype.codePointAt(pos)
  codePointAt: function codePointAt(pos) {
    return $at(this, pos);
  }
});


code:
// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
'use strict';
var $export = require('./_export');
var toLength = require('./_to-length');
var context = require('./_string-context');
var ENDS_WITH = 'endsWith';
var $endsWith = ''[ENDS_WITH];

$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {
  endsWith: function endsWith(searchString /* , endPosition = @length */) {
    var that = context(this, searchString, ENDS_WITH);
    var endPosition = arguments.length > 1 ? arguments[1] : undefined;
    var len = toLength(that.length);
    var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);
    var search = String(searchString);
    return $endsWith
      ? $endsWith.call(that, search, end)
      : that.slice(end - search.length, end) === search;
  }
});


code:
'use strict';
// B.2.3.6 String.prototype.fixed()
require('./_string-html')('fixed', function (createHTML) {
  return function fixed() {
    return createHTML(this, 'tt', '', '');
  };
});


code:
'use strict';
// B.2.3.7 String.prototype.fontcolor(color)
require('./_string-html')('fontcolor', function (createHTML) {
  return function fontcolor(color) {
    return createHTML(this, 'font', 'color', color);
  };
});


code:
'use strict';
// B.2.3.8 String.prototype.fontsize(size)
require('./_string-html')('fontsize', function (createHTML) {
  return function fontsize(size) {
    return createHTML(this, 'font', 'size', size);
  };
});


code:
var $export = require('./_export');
var toAbsoluteIndex = require('./_to-absolute-index');
var fromCharCode = String.fromCharCode;
var $fromCodePoint = String.fromCodePoint;

// length should be 1, old FF problem
$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
  // 21.1.2.2 String.fromCodePoint(...codePoints)
  fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars
    var res = [];
    var aLen = arguments.length;
    var i = 0;
    var code;
    while (aLen > i) {
      code = +arguments[i++];
      if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point');
      res.push(code < 0x10000
        ? fromCharCode(code)
        : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)
      );
    } return res.join('');
  }
});


code:
// 21.1.3.7 String.prototype.includes(searchString, position = 0)
'use strict';
var $export = require('./_export');
var context = require('./_string-context');
var INCLUDES = 'includes';

$export($export.P + $export.F * require('./_fails-is-regexp')(INCLUDES), 'String', {
  includes: function includes(searchString /* , position = 0 */) {
    return !!~context(this, searchString, INCLUDES)
      .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
  }
});


code:
'use strict';
// B.2.3.9 String.prototype.italics()
require('./_string-html')('italics', function (createHTML) {
  return function italics() {
    return createHTML(this, 'i', '', '');
  };
});


code:
'use strict';
var $at = require('./_string-at')(true);

// 21.1.3.27 String.prototype[@@iterator]()
require('./_iter-define')(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 };
});


code:
'use strict';
// B.2.3.10 String.prototype.link(url)
require('./_string-html')('link', function (createHTML) {
  return function link(url) {
    return createHTML(this, 'a', 'href', url);
  };
});


code:
var $export = require('./_export');
var toIObject = require('./_to-iobject');
var toLength = require('./_to-length');

$export($export.S, 'String', {
  // 21.1.2.4 String.raw(callSite, ...substitutions)
  raw: function raw(callSite) {
    var tpl = toIObject(callSite.raw);
    var len = toLength(tpl.length);
    var aLen = arguments.length;
    var res = [];
    var i = 0;
    while (len > i) {
      res.push(String(tpl[i++]));
      if (i < aLen) res.push(String(arguments[i]));
    } return res.join('');
  }
});


code:
var $export = require('./_export');

$export($export.P, 'String', {
  // 21.1.3.13 String.prototype.repeat(count)
  repeat: require('./_string-repeat')
});


code:
'use strict';
// B.2.3.11 String.prototype.small()
require('./_string-html')('small', function (createHTML) {
  return function small() {
    return createHTML(this, 'small', '', '');
  };
});


code:
// 21.1.3.18 String.prototype.startsWith(searchString [, position ])
'use strict';
var $export = require('./_export');
var toLength = require('./_to-length');
var context = require('./_string-context');
var STARTS_WITH = 'startsWith';
var $startsWith = ''[STARTS_WITH];

$export($export.P + $export.F * require('./_fails-is-regexp')(STARTS_WITH), 'String', {
  startsWith: function startsWith(searchString /* , position = 0 */) {
    var that = context(this, searchString, STARTS_WITH);
    var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));
    var search = String(searchString);
    return $startsWith
      ? $startsWith.call(that, search, index)
      : that.slice(index, index + search.length) === search;
  }
});


code:
'use strict';
// B.2.3.12 String.prototype.strike()
require('./_string-html')('strike', function (createHTML) {
  return function strike() {
    return createHTML(this, 'strike', '', '');
  };
});


code:
'use strict';
// B.2.3.13 String.prototype.sub()
require('./_string-html')('sub', function (createHTML) {
  return function sub() {
    return createHTML(this, 'sub', '', '');
  };
});


code:
'use strict';
// B.2.3.14 String.prototype.sup()
require('./_string-html')('sup', function (createHTML) {
  return function sup() {
    return createHTML(this, 'sup', '', '');
  };
});


code:
'use strict';
// 21.1.3.25 String.prototype.trim()
require('./_string-trim')('trim', function ($trim) {
  return function trim() {
    return $trim(this, 3);
  };
});


code:
'use strict';
// ECMAScript 6 symbols shim
var global = require('./_global');
var has = require('./_has');
var DESCRIPTORS = require('./_descriptors');
var $export = require('./_export');
var redefine = require('./_redefine');
var META = require('./_meta').KEY;
var $fails = require('./_fails');
var shared = require('./_shared');
var setToStringTag = require('./_set-to-string-tag');
var uid = require('./_uid');
var wks = require('./_wks');
var wksExt = require('./_wks-ext');
var wksDefine = require('./_wks-define');
var enumKeys = require('./_enum-keys');
var isArray = require('./_is-array');
var anObject = require('./_an-object');
var isObject = require('./_is-object');
var toObject = require('./_to-object');
var toIObject = require('./_to-iobject');
var toPrimitive = require('./_to-primitive');
var createDesc = require('./_property-desc');
var _create = require('./_object-create');
var gOPNExt = require('./_object-gopn-ext');
var $GOPD = require('./_object-gopd');
var $GOPS = require('./_object-gops');
var $DP = require('./_object-dp');
var $keys = require('./_object-keys');
var gOPD = $GOPD.f;
var dP = $DP.f;
var gOPN = gOPNExt.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 $Symbol == 'function' && !!$GOPS.f;
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 _create(dP({}, 'a', {
    get: function () { 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 (tag) {
  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);
  sym._k = tag;
  return sym;
};

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

var $defineProperty = function defineProperty(it, key, D) {
  if (it === ObjectProto) $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, createDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
      D = _create(D, { enumerable: createDesc(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(it, P) {
  return P === undefined ? _create(it) : $defineProperties(_create(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 (value) {
      if (this === ObjectProto) $set.call(OPSymbols, value);
      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
      setSymbolDesc(this, tag, createDesc(1, value));
    };
    if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set });
    return wrap(tag);
  };
  redefine($Symbol[PROTOTYPE], 'toString', function toString() {
    return this._k;
  });

  $GOPD.f = $getOwnPropertyDescriptor;
  $DP.f = $defineProperty;
  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;
  require('./_object-pie').f = $propertyIsEnumerable;
  $GOPS.f = $getOwnPropertySymbols;

  if (DESCRIPTORS && !require('./_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 = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]);

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

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

// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
// https://bugs.chromium.org/p/v8/issues/detail?id=3443
var FAILS_ON_PRIMITIVES = $fails(function () { $GOPS.f(1); });

$export($export.S + $export.F * FAILS_ON_PRIMITIVES, 'Object', {
  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
    return $GOPS.f(toObject(it));
  }
});

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

// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($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);


code:
'use strict';
var $export = require('./_export');
var $typed = require('./_typed');
var buffer = require('./_typed-buffer');
var anObject = require('./_an-object');
var toAbsoluteIndex = require('./_to-absolute-index');
var toLength = require('./_to-length');
var isObject = require('./_is-object');
var ArrayBuffer = require('./_global').ArrayBuffer;
var speciesConstructor = require('./_species-constructor');
var $ArrayBuffer = buffer.ArrayBuffer;
var $DataView = buffer.DataView;
var $isView = $typed.ABV && ArrayBuffer.isView;
var $slice = $ArrayBuffer.prototype.slice;
var VIEW = $typed.VIEW;
var ARRAY_BUFFER = 'ArrayBuffer';

$export($export.G + $export.W + $export.F * (ArrayBuffer !== $ArrayBuffer), { ArrayBuffer: $ArrayBuffer });

$export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
  // 24.1.3.1 ArrayBuffer.isView(arg)
  isView: function isView(it) {
    return $isView && $isView(it) || isObject(it) && VIEW in it;
  }
});

$export($export.P + $export.U + $export.F * require('./_fails')(function () {
  return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
}), ARRAY_BUFFER, {
  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
  slice: function slice(start, end) {
    if ($slice !== undefined && end === undefined) return $slice.call(anObject(this), start); // FF fix
    var len = anObject(this).byteLength;
    var first = toAbsoluteIndex(start, len);
    var fin = toAbsoluteIndex(end === undefined ? len : end, len);
    var result = new (speciesConstructor(this, $ArrayBuffer))(toLength(fin - first));
    var viewS = new $DataView(this);
    var viewT = new $DataView(result);
    var index = 0;
    while (first < fin) {
      viewT.setUint8(index++, viewS.getUint8(first++));
    } return result;
  }
});

require('./_set-species')(ARRAY_BUFFER);


code:
var $export = require('./_export');
$export($export.G + $export.W + $export.F * !require('./_typed').ABV, {
  DataView: require('./_typed-buffer').DataView
});


code:
require('./_typed-array')('Float32', 4, function (init) {
  return function Float32Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Float64', 8, function (init) {
  return function Float64Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Int16', 2, function (init) {
  return function Int16Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Int32', 4, function (init) {
  return function Int32Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Int8', 1, function (init) {
  return function Int8Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Uint16', 2, function (init) {
  return function Uint16Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Uint32', 4, function (init) {
  return function Uint32Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Uint8', 1, function (init) {
  return function Uint8Array(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
});


code:
require('./_typed-array')('Uint8', 1, function (init) {
  return function Uint8ClampedArray(data, byteOffset, length) {
    return init(this, data, byteOffset, length);
  };
}, true);


code:
'use strict';
var global = require('./_global');
var each = require('./_array-methods')(0);
var redefine = require('./_redefine');
var meta = require('./_meta');
var assign = require('./_object-assign');
var weak = require('./_collection-weak');
var isObject = require('./_is-object');
var validate = require('./_validate-collection');
var NATIVE_WEAK_MAP = require('./_validate-collection');
var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
var WEAK_MAP = 'WeakMap';
var getWeak = meta.getWeak;
var isExtensible = Object.isExtensible;
var uncaughtFrozenStore = weak.ufstore;
var InternalMap;

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

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

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

// IE11 WeakMap frozen keys fix
if (NATIVE_WEAK_MAP && IS_IE11) {
  InternalMap = weak.getConstructor(wrapper, WEAK_MAP);
  assign(InternalMap.prototype, methods);
  meta.NEED = true;
  each(['delete', 'has', 'get', 'set'], function (key) {
    var proto = $WeakMap.prototype;
    var method = proto[key];
    redefine(proto, key, function (a, b) {
      // store frozen objects on internal weakmap shim
      if (isObject(a) && !isExtensible(a)) {
        if (!this._f) this._f = new InternalMap();
        var result = this._f[key](a, b);
        return key == 'set' ? this : result;
      // store all the rest on native weakmap
      } return method.call(this, a, b);
    });
  });
}


code:
'use strict';
var weak = require('./_collection-weak');
var validate = require('./_validate-collection');
var WEAK_SET = 'WeakSet';

// 23.4 WeakSet Objects
require('./_collection')(WEAK_SET, function (get) {
  return function WeakSet() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
}, {
  // 23.4.3.1 WeakSet.prototype.add(value)
  add: function add(value) {
    return weak.def(validate(this, WEAK_SET), value, true);
  }
}, weak, false, true);


code:
'use strict';
// https://tc39.github.io/proposal-flatMap/#sec-Array.prototype.flatMap
var $export = require('./_export');
var flattenIntoArray = require('./_flatten-into-array');
var toObject = require('./_to-object');
var toLength = require('./_to-length');
var aFunction = require('./_a-function');
var arraySpeciesCreate = require('./_array-species-create');

$export($export.P, 'Array', {
  flatMap: function flatMap(callbackfn /* , thisArg */) {
    var O = toObject(this);
    var sourceLen, A;
    aFunction(callbackfn);
    sourceLen = toLength(O.length);
    A = arraySpeciesCreate(O, 0);
    flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments[1]);
    return A;
  }
});

require('./_add-to-unscopables')('flatMap');