(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
(function (global){
"use strict";

if (global._babelPolyfill) {
    throw new Error("only one instance of babel/polyfill is allowed");
}
global._babelPolyfill = true;

require("./es6-shim");

require("regenerator-babel/runtime");
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./es6-shim":2,"regenerator-babel/runtime":60}],2:[function(require,module,exports){
require('core-js/es6');
module.exports = require('core-js/modules/$').core;
},{"core-js/es6":3,"core-js/modules/$":16}],3:[function(require,module,exports){
require('../modules/es6.symbol');
require('../modules/es6.object.assign');
require('../modules/es6.object.is');
require('../modules/es6.object.set-prototype-of');
require('../modules/es6.object.to-string');
require('../modules/es6.object.statics-accept-primitives');
require('../modules/es6.function.name');
require('../modules/es6.number.constructor');
require('../modules/es6.number.statics');
require('../modules/es6.math');
require('../modules/es6.string.from-code-point');
require('../modules/es6.string.raw');
require('../modules/es6.string.iterator');
require('../modules/es6.string.code-point-at');
require('../modules/es6.string.ends-with');
require('../modules/es6.string.includes');
require('../modules/es6.string.repeat');
require('../modules/es6.string.starts-with');
require('../modules/es6.array.from');
require('../modules/es6.array.of');
require('../modules/es6.array.species');
require('../modules/es6.array.iterator');
require('../modules/es6.array.copy-within');
require('../modules/es6.array.fill');
require('../modules/es6.array.find');
require('../modules/es6.array.find-index');
require('../modules/es6.regexp');
require('../modules/es6.promise');
require('../modules/es6.map');
require('../modules/es6.set');
require('../modules/es6.weak-map');
require('../modules/es6.weak-set');
require('../modules/es6.reflect');
module.exports = require('../modules/$').core;
},{"../modules/$":16,"../modules/es6.array.copy-within":27,"../modules/es6.array.fill":28,"../modules/es6.array.find":30,"../modules/es6.array.find-index":29,"../modules/es6.array.from":31,"../modules/es6.array.iterator":32,"../modules/es6.array.of":33,"../modules/es6.array.species":34,"../modules/es6.function.name":35,"../modules/es6.map":36,"../modules/es6.math":37,"../modules/es6.number.constructor":38,"../modules/es6.number.statics":39,"../modules/es6.object.assign":40,"../modules/es6.object.is":41,"../modules/es6.object.set-prototype-of":42,"../modules/es6.object.statics-accept-primitives":43,"../modules/es6.object.to-string":44,"../modules/es6.promise":45,"../modules/es6.reflect":46,"../modules/es6.regexp":47,"../modules/es6.set":48,"../modules/es6.string.code-point-at":49,"../modules/es6.string.ends-with":50,"../modules/es6.string.from-code-point":51,"../modules/es6.string.includes":52,"../modules/es6.string.iterator":53,"../modules/es6.string.raw":54,"../modules/es6.string.repeat":55,"../modules/es6.string.starts-with":56,"../modules/es6.symbol":57,"../modules/es6.weak-map":58,"../modules/es6.weak-set":59}],4:[function(require,module,exports){
'use strict';
// 0 -> Array#forEach
// 1 -> Array#map
// 2 -> Array#filter
// 3 -> Array#some
// 4 -> Array#every
// 5 -> Array#find
// 6 -> Array#findIndex
var $   = require('./$')
  , ctx = require('./$.ctx');
module.exports = function(TYPE){
  var IS_MAP        = TYPE == 1
    , IS_FILTER     = TYPE == 2
    , IS_SOME       = TYPE == 3
    , IS_EVERY      = TYPE == 4
    , IS_FIND_INDEX = TYPE == 6
    , NO_HOLES      = TYPE == 5 || IS_FIND_INDEX;
  return function(callbackfn/*, that = undefined */){
    var O      = Object($.assertDefined(this))
      , self   = $.ES5Object(O)
      , f      = ctx(callbackfn, arguments[1], 3)
      , length = $.toLength(self.length)
      , index  = 0
      , result = IS_MAP ? Array(length) : IS_FILTER ? [] : undefined
      , val, res;
    for(;length > index; index++)if(NO_HOLES || index in self){
      val = self[index];
      res = f(val, index, O);
      if(TYPE){
        if(IS_MAP)result[index] = res;            // map
        else if(res)switch(TYPE){
          case 3: return true;                    // some
          case 5: return val;                     // find
          case 6: return index;                   // findIndex
          case 2: result.push(val);               // filter
        } else if(IS_EVERY)return false;          // every
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
  };
};
},{"./$":16,"./$.ctx":11}],5:[function(require,module,exports){
var $ = require('./$');
function assert(condition, msg1, msg2){
  if(!condition)throw TypeError(msg2 ? msg1 + msg2 : msg1);
}
assert.def = $.assertDefined;
assert.fn = function(it){
  if(!$.isFunction(it))throw TypeError(it + ' is not a function!');
  return it;
};
assert.obj = function(it){
  if(!$.isObject(it))throw TypeError(it + ' is not an object!');
  return it;
};
assert.inst = function(it, Constructor, name){
  if(!(it instanceof Constructor))throw TypeError(name + ": use the 'new' operator!");
  return it;
};
module.exports = assert;
},{"./$":16}],6:[function(require,module,exports){
var $ = require('./$');
// 19.1.2.1 Object.assign(target, source, ...)
module.exports = Object.assign || function(target, source){ // eslint-disable-line no-unused-vars
  var T = Object($.assertDefined(target))
    , l = arguments.length
    , i = 1;
  while(l > i){
    var S      = $.ES5Object(arguments[i++])
      , keys   = $.getKeys(S)
      , length = keys.length
      , j      = 0
      , key;
    while(length > j)T[key = keys[j++]] = S[key];
  }
  return T;
};
},{"./$":16}],7:[function(require,module,exports){
var $        = require('./$')
  , TAG      = require('./$.wks')('toStringTag')
  , toString = {}.toString;
function cof(it){
  return toString.call(it).slice(8, -1);
}
cof.classof = function(it){
  var O, T;
  return it == undefined ? it === undefined ? 'Undefined' : 'Null'
    : typeof (T = (O = Object(it))[TAG]) == 'string' ? T : cof(O);
};
cof.set = function(it, tag, stat){
  if(it && !$.has(it = stat ? it : it.prototype, TAG))$.hide(it, TAG, tag);
};
module.exports = cof;
},{"./$":16,"./$.wks":26}],8:[function(require,module,exports){
'use strict';
var $        = require('./$')
  , ctx      = require('./$.ctx')
  , safe     = require('./$.uid').safe
  , assert   = require('./$.assert')
  , $iter    = require('./$.iter')
  , has      = $.has
  , set      = $.set
  , isObject = $.isObject
  , hide     = $.hide
  , step     = $iter.step
  , isFrozen = Object.isFrozen || $.core.Object.isFrozen
  , ID       = safe('id')
  , O1       = safe('O1')
  , LAST     = safe('last')
  , FIRST    = safe('first')
  , ITER     = safe('iter')
  , SIZE     = $.DESC ? safe('size') : 'size'
  , id       = 0;

function fastKey(it, create){
  // return primitive with prefix
  if(!isObject(it))return (typeof it == 'string' ? 'S' : 'P') + it;
  // can't set id to frozen object
  if(isFrozen(it))return 'F';
  if(!has(it, ID)){
    // not necessary to add id
    if(!create)return 'E';
    // add missing object id
    hide(it, ID, ++id);
  // return object id with prefix
  } return 'O' + it[ID];
}

function getEntry(that, key){
  // fast case
  var index = fastKey(key), entry;
  if(index != 'F')return that[O1][index];
  // frozen object case
  for(entry = that[FIRST]; entry; entry = entry.n){
    if(entry.k == key)return entry;
  }
}

module.exports = {
  getConstructor: function(NAME, IS_MAP, ADDER){
    function C(iterable){
      var that = assert.inst(this, C, NAME);
      set(that, O1, $.create(null));
      set(that, SIZE, 0);
      set(that, LAST, undefined);
      set(that, FIRST, undefined);
      if(iterable != undefined)$iter.forOf(iterable, IS_MAP, that[ADDER], that);
    }
    $.mix(C.prototype, {
      // 23.1.3.1 Map.prototype.clear()
      // 23.2.3.2 Set.prototype.clear()
      clear: function(){
        for(var that = this, data = that[O1], entry = that[FIRST]; entry; entry = entry.n){
          entry.r = true;
          if(entry.p)entry.p = entry.p.n = undefined;
          delete data[entry.i];
        }
        that[FIRST] = that[LAST] = undefined;
        that[SIZE] = 0;
      },
      // 23.1.3.3 Map.prototype.delete(key)
      // 23.2.3.4 Set.prototype.delete(value)
      'delete': function(key){
        var that  = this
          , entry = getEntry(that, key);
        if(entry){
          var next = entry.n
            , prev = entry.p;
          delete that[O1][entry.i];
          entry.r = true;
          if(prev)prev.n = next;
          if(next)next.p = prev;
          if(that[FIRST] == entry)that[FIRST] = next;
          if(that[LAST] == entry)that[LAST] = prev;
          that[SIZE]--;
        } return !!entry;
      },
      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
      forEach: function(callbackfn /*, that = undefined */){
        var f = ctx(callbackfn, arguments[1], 3)
          , entry;
        while(entry = entry ? entry.n : this[FIRST]){
          f(entry.v, entry.k, this);
          // revert to the last existing entry
          while(entry && entry.r)entry = entry.p;
        }
      },
      // 23.1.3.7 Map.prototype.has(key)
      // 23.2.3.7 Set.prototype.has(value)
      has: function(key){
        return !!getEntry(this, key);
      }
    });
    if($.DESC)$.setDesc(C.prototype, 'size', {
      get: function(){
        return assert.def(this[SIZE]);
      }
    });
    return C;
  },
  def: function(that, key, value){
    var entry = getEntry(that, key)
      , prev, index;
    // change existing entry
    if(entry){
      entry.v = value;
    // create new entry
    } else {
      that[LAST] = entry = {
        i: index = fastKey(key, true), // <- index
        k: key,                        // <- key
        v: value,                      // <- value
        p: prev = that[LAST],          // <- previous entry
        n: undefined,                  // <- next entry
        r: false                       // <- removed
      };
      if(!that[FIRST])that[FIRST] = entry;
      if(prev)prev.n = entry;
      that[SIZE]++;
      // add to index
      if(index != 'F')that[O1][index] = entry;
    } return that;
  },
  getEntry: getEntry,
  getIterConstructor: function(){
    return function(iterated, kind){
      set(this, ITER, {o: iterated, k: kind});
    };
  },
  next: function(){
    var iter  = this[ITER]
      , kind  = iter.k
      , entry = iter.l;
    // revert to the last existing entry
    while(entry && entry.r)entry = entry.p;
    // get next entry
    if(!iter.o || !(iter.l = entry = entry ? entry.n : iter.o[FIRST])){
      // or finish the iteration
      iter.o = undefined;
      return step(1);
    }
    // return step by kind
    if(kind == 'key'  )return step(0, entry.k);
    if(kind == 'value')return step(0, entry.v);
    return step(0, [entry.k, entry.v]);
  }
};
},{"./$":16,"./$.assert":5,"./$.ctx":11,"./$.iter":15,"./$.uid":24}],9:[function(require,module,exports){
'use strict';
var $         = require('./$')
  , safe      = require('./$.uid').safe
  , assert    = require('./$.assert')
  , forOf     = require('./$.iter').forOf
  , has       = $.has
  , isObject  = $.isObject
  , hide      = $.hide
  , isFrozen  = Object.isFrozen || $.core.Object.isFrozen
  , id        = 0
  , ID        = safe('id')
  , WEAK      = safe('weak')
  , LEAK      = safe('leak')
  , method    = require('./$.array-methods')
  , find      = method(5)
  , findIndex = method(6);
function findFrozen(store, key){
  return find.call(store.array, function(it){
    return it[0] === key;
  });
}
// fallback for frozen keys
function leakStore(that){
  return that[LEAK] || hide(that, LEAK, {
    array: [],
    get: function(key){
      var entry = findFrozen(this, key);
      if(entry)return entry[1];
    },
    has: function(key){
      return !!findFrozen(this, key);
    },
    set: function(key, value){
      var entry = findFrozen(this, key);
      if(entry)entry[1] = value;
      else this.array.push([key, value]);
    },
    'delete': function(key){
      var index = findIndex.call(this.array, function(it){
        return it[0] === key;
      });
      if(~index)this.array.splice(index, 1);
      return !!~index;
    }
  })[LEAK];
}

module.exports = {
  getConstructor: function(NAME, IS_MAP, ADDER){
    function C(iterable){
      $.set(assert.inst(this, C, NAME), ID, id++);
      if(iterable != undefined)forOf(iterable, IS_MAP, this[ADDER], this);
    }
    $.mix(C.prototype, {
      // 23.3.3.2 WeakMap.prototype.delete(key)
      // 23.4.3.3 WeakSet.prototype.delete(value)
      'delete': function(key){
        if(!isObject(key))return false;
        if(isFrozen(key))return leakStore(this)['delete'](key);
        return has(key, WEAK) && has(key[WEAK], this[ID]) && delete key[WEAK][this[ID]];
      },
      // 23.3.3.4 WeakMap.prototype.has(key)
      // 23.4.3.4 WeakSet.prototype.has(value)
      has: function(key){
        if(!isObject(key))return false;
        if(isFrozen(key))return leakStore(this).has(key);
        return has(key, WEAK) && has(key[WEAK], this[ID]);
      }
    });
    return C;
  },
  def: function(that, key, value){
    if(isFrozen(assert.obj(key))){
      leakStore(that).set(key, value);
    } else {
      has(key, WEAK) || hide(key, WEAK, {});
      key[WEAK][that[ID]] = value;
    } return that;
  },
  leakStore: leakStore,
  WEAK: WEAK,
  ID: ID
};
},{"./$":16,"./$.array-methods":4,"./$.assert":5,"./$.iter":15,"./$.uid":24}],10:[function(require,module,exports){
'use strict';
var $     = require('./$')
  , $def  = require('./$.def')
  , $iter = require('./$.iter')
  , assertInstance = require('./$.assert').inst;

module.exports = function(NAME, methods, common, IS_MAP, isWeak){
  var Base  = $.g[NAME]
    , C     = Base
    , ADDER = IS_MAP ? 'set' : 'add'
    , proto = C && C.prototype
    , O     = {};
  function fixMethod(KEY, CHAIN){
    var method = proto[KEY];
    if($.FW)proto[KEY] = function(a, b){
      var result = method.call(this, a === 0 ? 0 : a, b);
      return CHAIN ? this : result;
    };
  }
  if(!$.isFunction(C) || !(isWeak || !$iter.BUGGY && proto.forEach && proto.entries)){
    // create collection constructor
    C = common.getConstructor(NAME, IS_MAP, ADDER);
    $.mix(C.prototype, methods);
  } else {
    var inst  = new C
      , chain = inst[ADDER](isWeak ? {} : -0, 1)
      , buggyZero;
    // wrap for init collections from iterable
    if($iter.fail(function(iter){
      new C(iter); // eslint-disable-line no-new
    }) || $iter.DANGER_CLOSING){
      C = function(iterable){
        assertInstance(this, C, NAME);
        var that = new Base;
        if(iterable != undefined)$iter.forOf(iterable, IS_MAP, that[ADDER], that);
        return that;
      };
      C.prototype = proto;
      if($.FW)proto.constructor = C;
    }
    isWeak || inst.forEach(function(val, key){
      buggyZero = 1 / key === -Infinity;
    });
    // fix converting -0 key to +0
    if(buggyZero){
      fixMethod('delete');
      fixMethod('has');
      IS_MAP && fixMethod('get');
    }
    // + fix .add & .set for chaining
    if(buggyZero || chain !== inst)fixMethod(ADDER, true);
  }

  require('./$.cof').set(C, NAME);
  require('./$.species')(C);

  O[NAME] = C;
  $def($def.G + $def.W + $def.F * (C != Base), O);

  // add .keys, .values, .entries, [@@iterator]
  // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
  if(!isWeak)$iter.std(
    C, NAME,
    common.getIterConstructor(), common.next,
    IS_MAP ? 'key+value' : 'value' , !IS_MAP, true
  );

  return C;
};
},{"./$":16,"./$.assert":5,"./$.cof":7,"./$.def":12,"./$.iter":15,"./$.species":21}],11:[function(require,module,exports){
// Optional / simple context binding
var assertFunction = require('./$.assert').fn;
module.exports = function(fn, that, length){
  assertFunction(fn);
  if(~length && that === undefined)return fn;
  switch(length){
    case 1: return function(a){
      return fn.call(that, a);
    };
    case 2: return function(a, b){
      return fn.call(that, a, b);
    };
    case 3: return function(a, b, c){
      return fn.call(that, a, b, c);
    };
  } return function(/* ...args */){
      return fn.apply(that, arguments);
    };
};
},{"./$.assert":5}],12:[function(require,module,exports){
var $          = require('./$')
  , global     = $.g
  , core       = $.core
  , isFunction = $.isFunction;
function ctx(fn, that){
  return function(){
    return fn.apply(that, arguments);
  };
}
global.core = core;
// type bitmap
$def.F = 1;  // forced
$def.G = 2;  // global
$def.S = 4;  // static
$def.P = 8;  // proto
$def.B = 16; // bind
$def.W = 32; // wrap
function $def(type, name, source){
  var key, own, out, exp
    , isGlobal = type & $def.G
    , target   = isGlobal ? global : type & $def.S
        ? global[name] : (global[name] || {}).prototype
    , exports  = isGlobal ? core : core[name] || (core[name] = {});
  if(isGlobal)source = name;
  for(key in source){
    // contains in native
    own = !(type & $def.F) && target && key in target;
    // export native or passed
    out = (own ? target : source)[key];
    // bind timers to global for call from export context
    if(type & $def.B && own)exp = ctx(out, global);
    else exp = type & $def.P && isFunction(out) ? ctx(Function.call, out) : out;
    // extend global
    if(target && !own){
      if(isGlobal)target[key] = out;
      else delete target[key] && $.hide(target, key, out);
    }
    // export
    if(exports[key] != out)$.hide(exports, key, exp);
  }
}
module.exports = $def;
},{"./$":16}],13:[function(require,module,exports){
module.exports = function($){
  $.FW   = true;
  $.path = $.g;
  return $;
};
},{}],14:[function(require,module,exports){
// Fast apply
// http://jsperf.lnkit.com/fast-apply/5
module.exports = function(fn, args, that){
  var un = that === undefined;
  switch(args.length){
    case 0: return un ? fn()
                      : fn.call(that);
    case 1: return un ? fn(args[0])
                      : fn.call(that, args[0]);
    case 2: return un ? fn(args[0], args[1])
                      : fn.call(that, args[0], args[1]);
    case 3: return un ? fn(args[0], args[1], args[2])
                      : fn.call(that, args[0], args[1], args[2]);
    case 4: return un ? fn(args[0], args[1], args[2], args[3])
                      : fn.call(that, args[0], args[1], args[2], args[3]);
    case 5: return un ? fn(args[0], args[1], args[2], args[3], args[4])
                      : fn.call(that, args[0], args[1], args[2], args[3], args[4]);
  } return              fn.apply(that, args);
};
},{}],15:[function(require,module,exports){
'use strict';
var $                 = require('./$')
  , ctx               = require('./$.ctx')
  , cof               = require('./$.cof')
  , $def              = require('./$.def')
  , assertObject      = require('./$.assert').obj
  , SYMBOL_ITERATOR   = require('./$.wks')('iterator')
  , FF_ITERATOR       = '@@iterator'
  , Iterators         = {}
  , IteratorPrototype = {};
// Safari has byggy iterators w/o `next`
var BUGGY = 'keys' in [] && !('next' in [].keys());
// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
setIterator(IteratorPrototype, $.that);
function setIterator(O, value){
  $.hide(O, SYMBOL_ITERATOR, value);
  // Add iterator for FF iterator protocol
  if(FF_ITERATOR in [])$.hide(O, FF_ITERATOR, value);
}
function defineIterator(Constructor, NAME, value, DEFAULT){
  var proto = Constructor.prototype
    , iter  = proto[SYMBOL_ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT] || value;
  // Define iterator
  if($.FW)setIterator(proto, iter);
  if(iter !== value){
    var iterProto = $.getProto(iter.call(new Constructor));
    // Set @@toStringTag to native iterators
    cof.set(iterProto, NAME + ' Iterator', true);
    // FF fix
    if($.FW)$.has(proto, FF_ITERATOR) && setIterator(iterProto, $.that);
  }
  // Plug for library
  Iterators[NAME] = iter;
  // FF & v8 fix
  Iterators[NAME + ' Iterator'] = $.that;
  return iter;
}
function getIterator(it){
  var Symbol  = $.g.Symbol
    , ext     = it[Symbol && Symbol.iterator || FF_ITERATOR]
    , getIter = ext || it[SYMBOL_ITERATOR] || Iterators[cof.classof(it)];
  return assertObject(getIter.call(it));
}
function closeIterator(iterator){
  var ret = iterator['return'];
  if(ret !== undefined)assertObject(ret.call(iterator));
}
function stepCall(iterator, fn, value, entries){
  try {
    return entries ? fn(assertObject(value)[0], value[1]) : fn(value);
  } catch(e){
    closeIterator(iterator);
    throw e;
  }
}
var DANGER_CLOSING = true;
!function(){
  try {
    var iter = [1].keys();
    iter['return'] = function(){ DANGER_CLOSING = false; };
    Array.from(iter, function(){ throw 2; });
  } catch(e){ /* empty */ }
}();
var $iter = module.exports = {
  BUGGY: BUGGY,
  DANGER_CLOSING: DANGER_CLOSING,
  fail: function(exec){
    var fail = true;
    try {
      var arr  = [[{}, 1]]
        , iter = arr[SYMBOL_ITERATOR]()
        , next = iter.next;
      iter.next = function(){
        fail = false;
        return next.call(this);
      };
      arr[SYMBOL_ITERATOR] = function(){
        return iter;
      };
      exec(arr);
    } catch(e){ /* empty */ }
    return fail;
  },
  Iterators: Iterators,
  prototype: IteratorPrototype,
  step: function(done, value){
    return {value: value, done: !!done};
  },
  stepCall: stepCall,
  close: closeIterator,
  is: function(it){
    var O      = Object(it)
      , Symbol = $.g.Symbol
      , SYM    = Symbol && Symbol.iterator || FF_ITERATOR;
    return SYM in O || SYMBOL_ITERATOR in O || $.has(Iterators, cof.classof(O));
  },
  get: getIterator,
  set: setIterator,
  create: function(Constructor, NAME, next, proto){
    Constructor.prototype = $.create(proto || $iter.prototype, {next: $.desc(1, next)});
    cof.set(Constructor, NAME + ' Iterator');
  },
  define: defineIterator,
  std: function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE){
    function createIter(kind){
      return function(){
        return new Constructor(this, kind);
      };
    }
    $iter.create(Constructor, NAME, next);
    var entries = createIter('key+value')
      , values  = createIter('value')
      , proto   = Base.prototype
      , methods, key;
    if(DEFAULT == 'value')values = defineIterator(Base, NAME, values, 'values');
    else entries = defineIterator(Base, NAME, entries, 'entries');
    if(DEFAULT){
      methods = {
        entries: entries,
        keys:    IS_SET ? values : createIter('key'),
        values:  values
      };
      $def($def.P + $def.F * BUGGY, NAME, methods);
      if(FORCE)for(key in methods){
        if(!(key in proto))$.hide(proto, key, methods[key]);
      }
    }
  },
  forOf: function(iterable, entries, fn, that){
    var iterator = getIterator(iterable)
      , f = ctx(fn, that, entries ? 2 : 1)
      , step;
    while(!(step = iterator.next()).done){
      if(stepCall(iterator, f, step.value, entries) === false){
        return closeIterator(iterator);
      }
    }
  }
};
},{"./$":16,"./$.assert":5,"./$.cof":7,"./$.ctx":11,"./$.def":12,"./$.wks":26}],16:[function(require,module,exports){
'use strict';
var global = typeof self != 'undefined' ? self : Function('return this')()
  , core   = {}
  , defineProperty = Object.defineProperty
  , hasOwnProperty = {}.hasOwnProperty
  , ceil  = Math.ceil
  , floor = Math.floor
  , max   = Math.max
  , min   = Math.min;
// The engine works fine with descriptors? Thank's IE8 for his funny defineProperty.
var DESC = !!function(){
  try {
    return defineProperty({}, 'a', {get: function(){ return 2; }}).a == 2;
  } catch(e){ /* empty */ }
}();
var hide = createDefiner(1);
// 7.1.4 ToInteger
function toInteger(it){
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
}
function desc(bitmap, value){
  return {
    enumerable  : !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable    : !(bitmap & 4),
    value       : value
  };
}
function simpleSet(object, key, value){
  object[key] = value;
  return object;
}
function createDefiner(bitmap){
  return DESC ? function(object, key, value){
    return $.setDesc(object, key, desc(bitmap, value)); // eslint-disable-line no-use-before-define
  } : simpleSet;
}

function isObject(it){
  return it !== null && (typeof it == 'object' || typeof it == 'function');
}
function isFunction(it){
  return typeof it == 'function';
}
function assertDefined(it){
  if(it == undefined)throw TypeError("Can't call method on  " + it);
  return it;
}

var $ = module.exports = require('./$.fw')({
  g: global,
  core: core,
  html: global.document && document.documentElement,
  // http://jsperf.com/core-js-isobject
  isObject:   isObject,
  isFunction: isFunction,
  it: function(it){
    return it;
  },
  that: function(){
    return this;
  },
  // 7.1.4 ToInteger
  toInteger: toInteger,
  // 7.1.15 ToLength
  toLength: function(it){
    return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
  },
  toIndex: function(index, length){
    index = toInteger(index);
    return index < 0 ? max(index + length, 0) : min(index, length);
  },
  has: function(it, key){
    return hasOwnProperty.call(it, key);
  },
  create:     Object.create,
  getProto:   Object.getPrototypeOf,
  DESC:       DESC,
  desc:       desc,
  getDesc:    Object.getOwnPropertyDescriptor,
  setDesc:    defineProperty,
  getKeys:    Object.keys,
  getNames:   Object.getOwnPropertyNames,
  getSymbols: Object.getOwnPropertySymbols,
  // Dummy, fix for not array-like ES3 string in es5 module
  assertDefined: assertDefined,
  ES5Object: Object,
  toObject: function(it){
    return $.ES5Object(assertDefined(it));
  },
  hide: hide,
  def: createDefiner(0),
  set: global.Symbol ? simpleSet : hide,
  mix: function(target, src){
    for(var key in src)hide(target, key, src[key]);
    return target;
  },
  each: [].forEach
});
if(typeof __e != 'undefined')__e = core;
if(typeof __g != 'undefined')__g = global;
},{"./$.fw":13}],17:[function(require,module,exports){
var $ = require('./$');
module.exports = function(object, el){
  var O      = $.toObject(object)
    , keys   = $.getKeys(O)
    , length = keys.length
    , index  = 0
    , key;
  while(length > index)if(O[key = keys[index++]] === el)return key;
};
},{"./$":16}],18:[function(require,module,exports){
var $            = require('./$')
  , assertObject = require('./$.assert').obj;
module.exports = function(it){
  assertObject(it);
  return $.getSymbols ? $.getNames(it).concat($.getSymbols(it)) : $.getNames(it);
};
},{"./$":16,"./$.assert":5}],19:[function(require,module,exports){
'use strict';
module.exports = function(regExp, replace, isStatic){
  var replacer = replace === Object(replace) ? function(part){
    return replace[part];
  } : replace;
  return function(it){
    return String(isStatic ? it : this).replace(regExp, replacer);
  };
};
},{}],20:[function(require,module,exports){
// Works with __proto__ only. Old v8 can't works with null proto objects.
/*eslint-disable no-proto */
var $      = require('./$')
  , assert = require('./$.assert');
module.exports = Object.setPrototypeOf || ('__proto__' in {} // eslint-disable-line
  ? function(buggy, set){
      try {
        set = require('./$.ctx')(Function.call, $.getDesc(Object.prototype, '__proto__').set, 2);
        set({}, []);
      } catch(e){ buggy = true; }
      return function(O, proto){
        assert.obj(O);
        assert(proto === null || $.isObject(proto), proto, ": can't set as prototype!");
        if(buggy)O.__proto__ = proto;
        else set(O, proto);
        return O;
      };
    }()
  : undefined);
},{"./$":16,"./$.assert":5,"./$.ctx":11}],21:[function(require,module,exports){
var $ = require('./$');
module.exports = function(C){
  if($.DESC && $.FW)$.setDesc(C, require('./$.wks')('species'), {
    configurable: true,
    get: $.that
  });
};
},{"./$":16,"./$.wks":26}],22:[function(require,module,exports){
'use strict';
// true  -> String#at
// false -> String#codePointAt
var $ = require('./$');
module.exports = function(TO_STRING){
  return function(pos){
    var s = String($.assertDefined(this))
      , i = $.toInteger(pos)
      , l = s.length
      , a, b;
    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;
    a = s.charCodeAt(i);
    return a < 0xd800 || a > 0xdbff || i + 1 === l
      || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
        ? TO_STRING ? s.charAt(i) : a
        : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
  };
};
},{"./$":16}],23:[function(require,module,exports){
'use strict';
var $      = require('./$')
  , ctx    = require('./$.ctx')
  , cof    = require('./$.cof')
  , invoke = require('./$.invoke')
  , global             = $.g
  , isFunction         = $.isFunction
  , setTask            = global.setImmediate
  , clearTask          = global.clearImmediate
  , postMessage        = global.postMessage
  , addEventListener   = global.addEventListener
  , MessageChannel     = global.MessageChannel
  , counter            = 0
  , queue              = {}
  , ONREADYSTATECHANGE = 'onreadystatechange'
  , defer, channel, port;
function run(){
  var id = +this;
  if($.has(queue, id)){
    var fn = queue[id];
    delete queue[id];
    fn();
  }
}
function listner(event){
  run.call(event.data);
}
// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
if(!isFunction(setTask) || !isFunction(clearTask)){
  setTask = function(fn){
    var args = [], i = 1;
    while(arguments.length > i)args.push(arguments[i++]);
    queue[++counter] = function(){
      invoke(isFunction(fn) ? fn : Function(fn), args);
    };
    defer(counter);
    return counter;
  };
  clearTask = function(id){
    delete queue[id];
  };
  // Node.js 0.8-
  if(cof(global.process) == 'process'){
    defer = function(id){
      global.process.nextTick(ctx(run, id, 1));
    };
  // Modern browsers, skip implementation for WebWorkers
  // IE8 has postMessage, but it's sync & typeof its postMessage is object
  } else if(addEventListener && isFunction(postMessage) && !$.g.importScripts){
    defer = function(id){
      postMessage(id, '*');
    };
    addEventListener('message', listner, false);
  // WebWorkers
  } else if(isFunction(MessageChannel)){
    channel = new MessageChannel;
    port    = channel.port2;
    channel.port1.onmessage = listner;
    defer = ctx(port.postMessage, port, 1);
  // IE8-
  } else if($.g.document && ONREADYSTATECHANGE in document.createElement('script')){
    defer = function(id){
      $.html.appendChild(document.createElement('script'))[ONREADYSTATECHANGE] = function(){
        $.html.removeChild(this);
        run.call(id);
      };
    };
  // Rest old browsers
  } else {
    defer = function(id){
      setTimeout(ctx(run, id, 1), 0);
    };
  }
}
module.exports = {
  set:   setTask,
  clear: clearTask
};
},{"./$":16,"./$.cof":7,"./$.ctx":11,"./$.invoke":14}],24:[function(require,module,exports){
var sid = 0;
function uid(key){
  return 'Symbol(' + key + ')_' + (++sid + Math.random()).toString(36);
}
uid.safe = require('./$').g.Symbol || uid;
module.exports = uid;
},{"./$":16}],25:[function(require,module,exports){
// 22.1.3.31 Array.prototype[@@unscopables]
var $           = require('./$')
  , UNSCOPABLES = require('./$.wks')('unscopables');
if($.FW && !(UNSCOPABLES in []))$.hide(Array.prototype, UNSCOPABLES, {});
module.exports = function(key){
  if($.FW)[][UNSCOPABLES][key] = true;
};
},{"./$":16,"./$.wks":26}],26:[function(require,module,exports){
var global = require('./$').g
  , store  = {};
module.exports = function(name){
  return store[name] || (store[name] =
    global.Symbol && global.Symbol[name] || require('./$.uid').safe('Symbol.' + name));
};
},{"./$":16,"./$.uid":24}],27:[function(require,module,exports){
'use strict';
var $       = require('./$')
  , $def    = require('./$.def')
  , toIndex = $.toIndex;
$def($def.P, 'Array', {
  // 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
  copyWithin: function(target/* = 0 */, start /* = 0, end = @length */){
    var O     = Object($.assertDefined(this))
      , len   = $.toLength(O.length)
      , to    = toIndex(target, len)
      , from  = toIndex(start, len)
      , end   = arguments[2]
      , fin   = end === undefined ? len : toIndex(end, len)
      , count = Math.min(fin - from, len - to)
      , inc   = 1;
    if(from < to && to < from + count){
      inc  = -1;
      from = from + count - 1;
      to   = to   + count - 1;
    }
    while(count-- > 0){
      if(from in O)O[to] = O[from];
      else delete O[to];
      to   += inc;
      from += inc;
    } return O;
  }
});
require('./$.unscope')('copyWithin');
},{"./$":16,"./$.def":12,"./$.unscope":25}],28:[function(require,module,exports){
'use strict';
var $       = require('./$')
  , $def    = require('./$.def')
  , toIndex = $.toIndex;
$def($def.P, 'Array', {
  // 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
  fill: function(value /*, start = 0, end = @length */){
    var O      = Object($.assertDefined(this))
      , length = $.toLength(O.length)
      , index  = toIndex(arguments[1], length)
      , end    = arguments[2]
      , endPos = end === undefined ? length : toIndex(end, length);
    while(endPos > index)O[index++] = value;
    return O;
  }
});
require('./$.unscope')('fill');
},{"./$":16,"./$.def":12,"./$.unscope":25}],29:[function(require,module,exports){
var $def = require('./$.def');
$def($def.P, 'Array', {
  // 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
  findIndex: require('./$.array-methods')(6)
});
require('./$.unscope')('findIndex');
},{"./$.array-methods":4,"./$.def":12,"./$.unscope":25}],30:[function(require,module,exports){
var $def = require('./$.def');
$def($def.P, 'Array', {
  // 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
  find: require('./$.array-methods')(5)
});
require('./$.unscope')('find');
},{"./$.array-methods":4,"./$.def":12,"./$.unscope":25}],31:[function(require,module,exports){
var $     = require('./$')
  , ctx   = require('./$.ctx')
  , $def  = require('./$.def')
  , $iter = require('./$.iter')
  , stepCall = $iter.stepCall;
$def($def.S + $def.F * $iter.DANGER_CLOSING, 'Array', {
  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
  from: function(arrayLike/*, mapfn = undefined, thisArg = undefined*/){
    var O       = Object($.assertDefined(arrayLike))
      , mapfn   = arguments[1]
      , mapping = mapfn !== undefined
      , f       = mapping ? ctx(mapfn, arguments[2], 2) : undefined
      , index   = 0
      , length, result, step, iterator;
    if($iter.is(O)){
      iterator = $iter.get(O);
      // strange IE quirks mode bug -> use typeof instead of isFunction
      result   = new (typeof this == 'function' ? this : Array);
      for(; !(step = iterator.next()).done; index++){
        result[index] = mapping ? stepCall(iterator, f, [step.value, index], true) : step.value;
      }
    } else {
      // strange IE quirks mode bug -> use typeof instead of isFunction
      result = new (typeof this == 'function' ? this : Array)(length = $.toLength(O.length));
      for(; length > index; index++){
        result[index] = mapping ? f(O[index], index) : O[index];
      }
    }
    result.length = index;
    return result;
  }
});
},{"./$":16,"./$.ctx":11,"./$.def":12,"./$.iter":15}],32:[function(require,module,exports){
var $          = require('./$')
  , setUnscope = require('./$.unscope')
  , ITER       = require('./$.uid').safe('iter')
  , $iter      = require('./$.iter')
  , step       = $iter.step
  , Iterators  = $iter.Iterators;

// 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]()
$iter.std(Array, 'Array', function(iterated, kind){
  $.set(this, ITER, {o: $.toObject(iterated), i: 0, k: kind});
// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
}, function(){
  var iter  = this[ITER]
    , O     = iter.o
    , kind  = iter.k
    , index = iter.i++;
  if(!O || index >= O.length){
    iter.o = undefined;
    return step(1);
  }
  if(kind == 'key'  )return step(0, index);
  if(kind == 'value')return step(0, O[index]);
  return step(0, [index, O[index]]);
}, 'value');

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

setUnscope('keys');
setUnscope('values');
setUnscope('entries');
},{"./$":16,"./$.iter":15,"./$.uid":24,"./$.unscope":25}],33:[function(require,module,exports){
var $def = require('./$.def');
$def($def.S, 'Array', {
  // 22.1.2.3 Array.of( ...items)
  of: function(/* ...args */){
    var index  = 0
      , length = arguments.length
      // strange IE quirks mode bug -> use typeof instead of isFunction
      , result = new (typeof this == 'function' ? this : Array)(length);
    while(length > index)result[index] = arguments[index++];
    result.length = length;
    return result;
  }
});
},{"./$.def":12}],34:[function(require,module,exports){
require('./$.species')(Array);
},{"./$.species":21}],35:[function(require,module,exports){
'use strict';
var $    = require('./$')
  , NAME = 'name'
  , setDesc = $.setDesc
  , FunctionProto = Function.prototype;
// 19.2.4.2 name
NAME in FunctionProto || $.FW && $.DESC && setDesc(FunctionProto, NAME, {
  configurable: true,
  get: function(){
    var match = String(this).match(/^\s*function ([^ (]*)/)
      , name  = match ? match[1] : '';
    $.has(this, NAME) || setDesc(this, NAME, $.desc(5, name));
    return name;
  },
  set: function(value){
    $.has(this, NAME) || setDesc(this, NAME, $.desc(0, value));
  }
});
},{"./$":16}],36:[function(require,module,exports){
'use strict';
var strong = require('./$.collection-strong');

// 23.1 Map Objects
require('./$.collection')('Map', {
  // 23.1.3.6 Map.prototype.get(key)
  get: function(key){
    var entry = strong.getEntry(this, key);
    return entry && entry.v;
  },
  // 23.1.3.9 Map.prototype.set(key, value)
  set: function(key, value){
    return strong.def(this, key === 0 ? 0 : key, value);
  }
}, strong, true);
},{"./$.collection":10,"./$.collection-strong":8}],37:[function(require,module,exports){
var Infinity = 1 / 0
  , $def  = require('./$.def')
  , E     = Math.E
  , pow   = Math.pow
  , abs   = Math.abs
  , exp   = Math.exp
  , log   = Math.log
  , sqrt  = Math.sqrt
  , ceil  = Math.ceil
  , floor = Math.floor
  , sign  = Math.sign || function(x){
      return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
    };

// 20.2.2.5 Math.asinh(x)
function asinh(x){
  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));
}
// 20.2.2.14 Math.expm1(x)
function expm1(x){
  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1;
}

$def($def.S, 'Math', {
  // 20.2.2.3 Math.acosh(x)
  acosh: function(x){
    return (x = +x) < 1 ? NaN : isFinite(x) ? log(x / E + sqrt(x + 1) * sqrt(x - 1) / E) + 1 : x;
  },
  // 20.2.2.5 Math.asinh(x)
  asinh: asinh,
  // 20.2.2.7 Math.atanh(x)
  atanh: function(x){
    return (x = +x) == 0 ? x : log((1 + x) / (1 - x)) / 2;
  },
  // 20.2.2.9 Math.cbrt(x)
  cbrt: function(x){
    return sign(x = +x) * pow(abs(x), 1 / 3);
  },
  // 20.2.2.11 Math.clz32(x)
  clz32: function(x){
    return (x >>>= 0) ? 32 - x.toString(2).length : 32;
  },
  // 20.2.2.12 Math.cosh(x)
  cosh: function(x){
    return (exp(x = +x) + exp(-x)) / 2;
  },
  // 20.2.2.14 Math.expm1(x)
  expm1: expm1,
  // 20.2.2.16 Math.fround(x)
  // TODO: fallback for IE9-
  fround: function(x){
    return new Float32Array([x])[0];
  },
  // 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
  hypot: function(value1, value2){ // eslint-disable-line no-unused-vars
    var sum  = 0
      , len1 = arguments.length
      , len2 = len1
      , args = Array(len1)
      , larg = -Infinity
      , arg;
    while(len1--){
      arg = args[len1] = +arguments[len1];
      if(arg == Infinity || arg == -Infinity)return Infinity;
      if(arg > larg)larg = arg;
    }
    larg = arg || 1;
    while(len2--)sum += pow(args[len2] / larg, 2);
    return larg * sqrt(sum);
  },
  // 20.2.2.18 Math.imul(x, y)
  imul: function(x, y){
    var UInt16 = 0xffff
      , xn = +x
      , yn = +y
      , xl = UInt16 & xn
      , yl = UInt16 & yn;
    return 0 | xl * yl + ((UInt16 & xn >>> 16) * yl + xl * (UInt16 & yn >>> 16) << 16 >>> 0);
  },
  // 20.2.2.20 Math.log1p(x)
  log1p: function(x){
    return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : log(1 + x);
  },
  // 20.2.2.21 Math.log10(x)
  log10: function(x){
    return log(x) / Math.LN10;
  },
  // 20.2.2.22 Math.log2(x)
  log2: function(x){
    return log(x) / Math.LN2;
  },
  // 20.2.2.28 Math.sign(x)
  sign: sign,
  // 20.2.2.30 Math.sinh(x)
  sinh: function(x){
    return abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (E / 2);
  },
  // 20.2.2.33 Math.tanh(x)
  tanh: function(x){
    var a = expm1(x = +x)
      , b = expm1(-x);
    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
  },
  // 20.2.2.34 Math.trunc(x)
  trunc: function(it){
    return (it > 0 ? floor : ceil)(it);
  }
});
},{"./$.def":12}],38:[function(require,module,exports){
'use strict';
var $          = require('./$')
  , isObject   = $.isObject
  , isFunction = $.isFunction
  , NUMBER     = 'Number'
  , Number     = $.g[NUMBER]
  , Base       = Number
  , proto      = Number.prototype;
function toPrimitive(it){
  var fn, val;
  if(isFunction(fn = it.valueOf) && !isObject(val = fn.call(it)))return val;
  if(isFunction(fn = it.toString) && !isObject(val = fn.call(it)))return val;
  throw TypeError("Can't convert object to number");
}
function toNumber(it){
  if(isObject(it))it = toPrimitive(it);
  if(typeof it == 'string' && it.length > 2 && it.charCodeAt(0) == 48){
    var binary = false;
    switch(it.charCodeAt(1)){
      case 66 : case 98  : binary = true;
      case 79 : case 111 : return parseInt(it.slice(2), binary ? 2 : 8);
    }
  } return +it;
}
if($.FW && !(Number('0o1') && Number('0b1'))){
  Number = function Number(it){
    return this instanceof Number ? new Base(toNumber(it)) : toNumber(it);
  };
  $.each.call($.DESC ? $.getNames(Base) : (
      // ES3:
      'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
      // ES6 (in case, if modules with ES6 Number statics required before):
      'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
      'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'
    ).split(','), function(key){
      if($.has(Base, key) && !$.has(Number, key)){
        $.setDesc(Number, key, $.getDesc(Base, key));
      }
    }
  );
  Number.prototype = proto;
  proto.constructor = Number;
  $.hide($.g, NUMBER, Number);
}
},{"./$":16}],39:[function(require,module,exports){
var $     = require('./$')
  , $def  = require('./$.def')
  , abs   = Math.abs
  , floor = Math.floor
  , MAX_SAFE_INTEGER = 0x1fffffffffffff; // pow(2, 53) - 1 == 9007199254740991;
function isInteger(it){
  return !$.isObject(it) && isFinite(it) && floor(it) === it;
}
$def($def.S, 'Number', {
  // 20.1.2.1 Number.EPSILON
  EPSILON: Math.pow(2, -52),
  // 20.1.2.2 Number.isFinite(number)
  isFinite: function(it){
    return typeof it == 'number' && isFinite(it);
  },
  // 20.1.2.3 Number.isInteger(number)
  isInteger: isInteger,
  // 20.1.2.4 Number.isNaN(number)
  isNaN: function(number){
    return number != number;
  },
  // 20.1.2.5 Number.isSafeInteger(number)
  isSafeInteger: function(number){
    return isInteger(number) && abs(number) <= MAX_SAFE_INTEGER;
  },
  // 20.1.2.6 Number.MAX_SAFE_INTEGER
  MAX_SAFE_INTEGER: MAX_SAFE_INTEGER,
  // 20.1.2.10 Number.MIN_SAFE_INTEGER
  MIN_SAFE_INTEGER: -MAX_SAFE_INTEGER,
  // 20.1.2.12 Number.parseFloat(string)
  parseFloat: parseFloat,
  // 20.1.2.13 Number.parseInt(string, radix)
  parseInt: parseInt
});
},{"./$":16,"./$.def":12}],40:[function(require,module,exports){
// 19.1.3.1 Object.assign(target, source)
var $def = require('./$.def');
$def($def.S, 'Object', {assign: require('./$.assign')});
},{"./$.assign":6,"./$.def":12}],41:[function(require,module,exports){
// 19.1.3.10 Object.is(value1, value2)
var $def = require('./$.def');
$def($def.S, 'Object', {
  is: function(x, y){
    return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
  }
});
},{"./$.def":12}],42:[function(require,module,exports){
// 19.1.3.19 Object.setPrototypeOf(O, proto)
var $def = require('./$.def');
$def($def.S, 'Object', {setPrototypeOf: require('./$.set-proto')});
},{"./$.def":12,"./$.set-proto":20}],43:[function(require,module,exports){
var $        = require('./$')
  , $def     = require('./$.def')
  , isObject = $.isObject
  , toObject = $.toObject;
function wrapObjectMethod(METHOD, MODE){
  var fn  = ($.core.Object || {})[METHOD] || Object[METHOD]
    , f   = 0
    , o   = {};
  o[METHOD] = MODE == 1 ? function(it){
    return isObject(it) ? fn(it) : it;
  } : MODE == 2 ? function(it){
    return isObject(it) ? fn(it) : true;
  } : MODE == 3 ? function(it){
    return isObject(it) ? fn(it) : false;
  } : MODE == 4 ? function(it, key){
    return fn(toObject(it), key);
  } : MODE == 5 ? function(it){
    return fn(Object($.assertDefined(it)));
  } : function(it){
    return fn(toObject(it));
  };
  try {
    fn('z');
  } catch(e){
    f = 1;
  }
  $def($def.S + $def.F * f, 'Object', o);
}
wrapObjectMethod('freeze', 1);
wrapObjectMethod('seal', 1);
wrapObjectMethod('preventExtensions', 1);
wrapObjectMethod('isFrozen', 2);
wrapObjectMethod('isSealed', 2);
wrapObjectMethod('isExtensible', 3);
wrapObjectMethod('getOwnPropertyDescriptor', 4);
wrapObjectMethod('getPrototypeOf', 5);
wrapObjectMethod('keys');
wrapObjectMethod('getOwnPropertyNames');
},{"./$":16,"./$.def":12}],44:[function(require,module,exports){
'use strict';
// 19.1.3.6 Object.prototype.toString()
var $   = require('./$')
  , cof = require('./$.cof')
  , tmp = {};
tmp[require('./$.wks')('toStringTag')] = 'z';
if($.FW && cof(tmp) != 'z')$.hide(Object.prototype, 'toString', function(){
  return '[object ' + cof.classof(this) + ']';
});
},{"./$":16,"./$.cof":7,"./$.wks":26}],45:[function(require,module,exports){
'use strict';
var $       = require('./$')
  , ctx     = require('./$.ctx')
  , cof     = require('./$.cof')
  , $def    = require('./$.def')
  , assert  = require('./$.assert')
  , $iter   = require('./$.iter')
  , SPECIES = require('./$.wks')('species')
  , RECORD  = require('./$.uid').safe('record')
  , forOf   = $iter.forOf
  , PROMISE = 'Promise'
  , global  = $.g
  , process = global.process
  , asap    = process && process.nextTick || require('./$.task').set
  , Promise = global[PROMISE]
  , Base    = Promise
  , isFunction     = $.isFunction
  , isObject       = $.isObject
  , assertFunction = assert.fn
  , assertObject   = assert.obj
  , test;
function getConstructor(C){
  var S = assertObject(C)[SPECIES];
  return S != undefined ? S : C;
}
isFunction(Promise) && isFunction(Promise.resolve)
&& Promise.resolve(test = new Promise(function(){})) == test
|| function(){
  function isThenable(it){
    var then;
    if(isObject(it))then = it.then;
    return isFunction(then) ? then : false;
  }
  function handledRejectionOrHasOnRejected(promise){
    var record = promise[RECORD]
      , chain  = record.c
      , i      = 0
      , react;
    if(record.h)return true;
    while(chain.length > i){
      react = chain[i++];
      if(react.fail || handledRejectionOrHasOnRejected(react.P))return true;
    }
  }
  function notify(record, isReject){
    var chain = record.c;
    if(isReject || chain.length)asap(function(){
      var promise = record.p
        , value   = record.v
        , ok      = record.s == 1
        , i       = 0;
      if(isReject && !handledRejectionOrHasOnRejected(promise)){
        setTimeout(function(){
          if(!handledRejectionOrHasOnRejected(promise)){
            if(cof(process) == 'process'){
              process.emit('unhandledRejection', value, promise);
            } else if(global.console && isFunction(console.error)){
              console.error('Unhandled promise rejection', value);
            }
          }
        }, 1e3);
      } else while(chain.length > i)!function(react){
        var cb = ok ? react.ok : react.fail
          , ret, then;
        try {
          if(cb){
            if(!ok)record.h = true;
            ret = cb === true ? value : cb(value);
            if(ret === react.P){
              react.rej(TypeError(PROMISE + '-chain cycle'));
            } else if(then = isThenable(ret)){
              then.call(ret, react.res, react.rej);
            } else react.res(ret);
          } else react.rej(value);
        } catch(err){
          react.rej(err);
        }
      }(chain[i++]);
      chain.length = 0;
    });
  }
  function reject(value){
    var record = this;
    if(record.d)return;
    record.d = true;
    record = record.r || record; // unwrap
    record.v = value;
    record.s = 2;
    notify(record, true);
  }
  function resolve(value){
    var record = this
      , then, wrapper;
    if(record.d)return;
    record.d = true;
    record = record.r || record; // unwrap
    try {
      if(then = isThenable(value)){
        wrapper = {r: record, d: false}; // wrap
        then.call(value, ctx(resolve, wrapper, 1), ctx(reject, wrapper, 1));
      } else {
        record.v = value;
        record.s = 1;
        notify(record);
      }
    } catch(err){
      reject.call(wrapper || {r: record, d: false}, err); // wrap
    }
  }
  // 25.4.3.1 Promise(executor)
  Promise = function(executor){
    assertFunction(executor);
    var record = {
      p: assert.inst(this, Promise, PROMISE), // <- promise
      c: [],                                  // <- chain
      s: 0,                                   // <- state
      d: false,                               // <- done
      v: undefined,                           // <- value
      h: false                                // <- handled rejection
    };
    $.hide(this, RECORD, record);
    try {
      executor(ctx(resolve, record, 1), ctx(reject, record, 1));
    } catch(err){
      reject.call(record, err);
    }
  };
  $.mix(Promise.prototype, {
    // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
    then: function(onFulfilled, onRejected){
      var S = assertObject(assertObject(this).constructor)[SPECIES];
      var react = {
        ok:   isFunction(onFulfilled) ? onFulfilled : true,
        fail: isFunction(onRejected)  ? onRejected  : false
      };
      var P = react.P = new (S != undefined ? S : Promise)(function(res, rej){
        react.res = assertFunction(res);
        react.rej = assertFunction(rej);
      });
      var record = this[RECORD];
      record.c.push(react);
      record.s && notify(record);
      return P;
    },
    // 25.4.5.1 Promise.prototype.catch(onRejected)
    'catch': function(onRejected){
      return this.then(undefined, onRejected);
    }
  });
}();
$def($def.G + $def.W + $def.F * (Promise != Base), {Promise: Promise});
$def($def.S, PROMISE, {
  // 25.4.4.5 Promise.reject(r)
  reject: function(r){
    return new (getConstructor(this))(function(res, rej){
      rej(r);
    });
  },
  // 25.4.4.6 Promise.resolve(x)
  resolve: function(x){
    return isObject(x) && RECORD in x && $.getProto(x) === this.prototype
      ? x : new (getConstructor(this))(function(res){
        res(x);
      });
  }
});
$def($def.S + $def.F * ($iter.fail(function(iter){
  Promise.all(iter)['catch'](function(){});
}) || $iter.DANGER_CLOSING), PROMISE, {
  // 25.4.4.1 Promise.all(iterable)
  all: function(iterable){
    var C      = getConstructor(this)
      , values = [];
    return new C(function(resolve, reject){
      forOf(iterable, false, values.push, values);
      var remaining = values.length
        , results   = Array(remaining);
      if(remaining)$.each.call(values, function(promise, index){
        C.resolve(promise).then(function(value){
          results[index] = value;
          --remaining || resolve(results);
        }, reject);
      });
      else resolve(results);
    });
  },
  // 25.4.4.4 Promise.race(iterable)
  race: function(iterable){
    var C = getConstructor(this);
    return new C(function(resolve, reject){
      forOf(iterable, false, function(promise){
        C.resolve(promise).then(resolve, reject);
      });
    });
  }
});
cof.set(Promise, PROMISE);
require('./$.species')(Promise);
},{"./$":16,"./$.assert":5,"./$.cof":7,"./$.ctx":11,"./$.def":12,"./$.iter":15,"./$.species":21,"./$.task":23,"./$.uid":24,"./$.wks":26}],46:[function(require,module,exports){
var $         = require('./$')
  , $def      = require('./$.def')
  , setProto  = require('./$.set-proto')
  , $iter     = require('./$.iter')
  , ITER      = require('./$.uid').safe('iter')
  , step      = $iter.step
  , assert    = require('./$.assert')
  , isObject  = $.isObject
  , getDesc   = $.getDesc
  , setDesc   = $.setDesc
  , getProto  = $.getProto
  , apply     = Function.apply
  , assertObject = assert.obj
  , isExtensible = Object.isExtensible || $.it;
function Enumerate(iterated){
  var keys = [], key;
  for(key in iterated)keys.push(key);
  $.set(this, ITER, {o: iterated, a: keys, i: 0});
}
$iter.create(Enumerate, 'Object', function(){
  var iter = this[ITER]
    , keys = iter.a
    , key;
  do {
    if(iter.i >= keys.length)return step(1);
  } while(!((key = keys[iter.i++]) in iter.o));
  return step(0, key);
});

function wrap(fn){
  return function(it){
    assertObject(it);
    try {
      fn.apply(undefined, arguments);
      return true;
    } catch(e){
      return false;
    }
  };
}

function reflectGet(target, propertyKey/*, receiver*/){
  var receiver = arguments.length < 3 ? target : arguments[2]
    , desc = getDesc(assertObject(target), propertyKey), proto;
  if(desc)return $.has(desc, 'value')
    ? desc.value
    : desc.get === undefined
      ? undefined
      : desc.get.call(receiver);
  return isObject(proto = getProto(target))
    ? reflectGet(proto, propertyKey, receiver)
    : undefined;
}
function reflectSet(target, propertyKey, V/*, receiver*/){
  var receiver = arguments.length < 4 ? target : arguments[3]
    , ownDesc  = getDesc(assertObject(target), propertyKey)
    , existingDescriptor, proto;
  if(!ownDesc){
    if(isObject(proto = getProto(target))){
      return reflectSet(proto, propertyKey, V, receiver);
    }
    ownDesc = $.desc(0);
  }
  if($.has(ownDesc, 'value')){
    if(ownDesc.writable === false || !isObject(receiver))return false;
    existingDescriptor = getDesc(receiver, propertyKey) || $.desc(0);
    existingDescriptor.value = V;
    setDesc(receiver, propertyKey, existingDescriptor);
    return true;
  }
  return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}

var reflect = {
  // 26.1.1 Reflect.apply(target, thisArgument, argumentsList)
  apply: require('./$.ctx')(Function.call, apply, 3),
  // 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
  construct: function(target, argumentsList /*, newTarget*/){
    var proto    = assert.fn(arguments.length < 3 ? target : arguments[2]).prototype
      , instance = $.create(isObject(proto) ? proto : Object.prototype)
      , result   = apply.call(target, instance, argumentsList);
    return isObject(result) ? result : instance;
  },
  // 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)
  defineProperty: wrap(setDesc),
  // 26.1.4 Reflect.deleteProperty(target, propertyKey)
  deleteProperty: function(target, propertyKey){
    var desc = getDesc(assertObject(target), propertyKey);
    return desc && !desc.configurable ? false : delete target[propertyKey];
  },
  // 26.1.5 Reflect.enumerate(target)
  enumerate: function(target){
    return new Enumerate(assertObject(target));
  },
  // 26.1.6 Reflect.get(target, propertyKey [, receiver])
  get: reflectGet,
  // 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)
  getOwnPropertyDescriptor: function(target, propertyKey){
    return getDesc(assertObject(target), propertyKey);
  },
  // 26.1.8 Reflect.getPrototypeOf(target)
  getPrototypeOf: function(target){
    return getProto(assertObject(target));
  },
  // 26.1.9 Reflect.has(target, propertyKey)
  has: function(target, propertyKey){
    return propertyKey in target;
  },
  // 26.1.10 Reflect.isExtensible(target)
  isExtensible: function(target){
    return !!isExtensible(assertObject(target));
  },
  // 26.1.11 Reflect.ownKeys(target)
  ownKeys: require('./$.own-keys'),
  // 26.1.12 Reflect.preventExtensions(target)
  preventExtensions: wrap(Object.preventExtensions || $.it),
  // 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
  set: reflectSet
};
// 26.1.14 Reflect.setPrototypeOf(target, proto)
if(setProto)reflect.setPrototypeOf = function(target, proto){
  setProto(assertObject(target), proto);
  return true;
};

$def($def.G, {Reflect: {}});
$def($def.S, 'Reflect', reflect);
},{"./$":16,"./$.assert":5,"./$.ctx":11,"./$.def":12,"./$.iter":15,"./$.own-keys":18,"./$.set-proto":20,"./$.uid":24}],47:[function(require,module,exports){
var $      = require('./$')
  , cof    = require('./$.cof')
  , RegExp = $.g.RegExp
  , Base   = RegExp
  , proto  = RegExp.prototype;
if($.FW && $.DESC){
  // RegExp allows a regex with flags as the pattern
  if(!function(){try{ return RegExp(/a/g, 'i') == '/a/i'; }catch(e){ /* empty */ }}()){
    RegExp = function RegExp(pattern, flags){
      return new Base(cof(pattern) == 'RegExp' && flags !== undefined
        ? pattern.source : pattern, flags);
    };
    $.each.call($.getNames(Base), function(key){
      key in RegExp || $.setDesc(RegExp, key, {
        configurable: true,
        get: function(){ return Base[key]; },
        set: function(it){ Base[key] = it; }
      });
    });
    proto.constructor = RegExp;
    RegExp.prototype = proto;
    $.hide($.g, 'RegExp', RegExp);
  }
  // 21.2.5.3 get RegExp.prototype.flags()
  if(/./g.flags != 'g')$.setDesc(proto, 'flags', {
    configurable: true,
    get: require('./$.replacer')(/^.*\/(\w*)$/, '$1')
  });
}
require('./$.species')(RegExp);
},{"./$":16,"./$.cof":7,"./$.replacer":19,"./$.species":21}],48:[function(require,module,exports){
'use strict';
var strong = require('./$.collection-strong');

// 23.2 Set Objects
require('./$.collection')('Set', {
  // 23.2.3.1 Set.prototype.add(value)
  add: function(value){
    return strong.def(this, value = value === 0 ? 0 : value, value);
  }
}, strong);
},{"./$.collection":10,"./$.collection-strong":8}],49:[function(require,module,exports){
var $def = require('./$.def');
$def($def.P, 'String', {
  // 21.1.3.3 String.prototype.codePointAt(pos)
  codePointAt: require('./$.string-at')(false)
});
},{"./$.def":12,"./$.string-at":22}],50:[function(require,module,exports){
'use strict';
var $    = require('./$')
  , cof  = require('./$.cof')
  , $def = require('./$.def')
  , toLength = $.toLength;

$def($def.P, 'String', {
  // 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
  endsWith: function(searchString /*, endPosition = @length */){
    if(cof(searchString) == 'RegExp')throw TypeError();
    var that = String($.assertDefined(this))
      , endPosition = arguments[1]
      , len = toLength(that.length)
      , end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);
    searchString += '';
    return that.slice(end - searchString.length, end) === searchString;
  }
});
},{"./$":16,"./$.cof":7,"./$.def":12}],51:[function(require,module,exports){
var $def    = require('./$.def')
  , toIndex = require('./$').toIndex
  , fromCharCode = String.fromCharCode;

$def($def.S, 'String', {
  // 21.1.2.2 String.fromCodePoint(...codePoints)
  fromCodePoint: function(x){ // eslint-disable-line no-unused-vars
    var res = []
      , len = arguments.length
      , i   = 0
      , code;
    while(len > i){
      code = +arguments[i++];
      if(toIndex(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('');
  }
});
},{"./$":16,"./$.def":12}],52:[function(require,module,exports){
'use strict';
var $    = require('./$')
  , cof  = require('./$.cof')
  , $def = require('./$.def');

$def($def.P, 'String', {
  // 21.1.3.7 String.prototype.includes(searchString, position = 0)
  includes: function(searchString /*, position = 0 */){
    if(cof(searchString) == 'RegExp')throw TypeError();
    return !!~String($.assertDefined(this)).indexOf(searchString, arguments[1]);
  }
});
},{"./$":16,"./$.cof":7,"./$.def":12}],53:[function(require,module,exports){
var set   = require('./$').set
  , at    = require('./$.string-at')(true)
  , ITER  = require('./$.uid').safe('iter')
  , $iter = require('./$.iter')
  , step  = $iter.step;

// 21.1.3.27 String.prototype[@@iterator]()
$iter.std(String, 'String', function(iterated){
  set(this, ITER, {o: String(iterated), i: 0});
// 21.1.5.2.1 %StringIteratorPrototype%.next()
}, function(){
  var iter  = this[ITER]
    , O     = iter.o
    , index = iter.i
    , point;
  if(index >= O.length)return step(1);
  point = at.call(O, index);
  iter.i += point.length;
  return step(0, point);
});
},{"./$":16,"./$.iter":15,"./$.string-at":22,"./$.uid":24}],54:[function(require,module,exports){
var $    = require('./$')
  , $def = require('./$.def');

$def($def.S, 'String', {
  // 21.1.2.4 String.raw(callSite, ...substitutions)
  raw: function(callSite){
    var raw = $.toObject(callSite.raw)
      , len = $.toLength(raw.length)
      , sln = arguments.length
      , res = []
      , i   = 0;
    while(len > i){
      res.push(String(raw[i++]));
      if(i < sln)res.push(String(arguments[i]));
    } return res.join('');
  }
});
},{"./$":16,"./$.def":12}],55:[function(require,module,exports){
'use strict';
var $    = require('./$')
  , $def = require('./$.def');

$def($def.P, 'String', {
  // 21.1.3.13 String.prototype.repeat(count)
  repeat: function(count){
    var str = String($.assertDefined(this))
      , res = ''
      , n   = $.toInteger(count);
    if(n < 0 || n == Infinity)throw RangeError("Count can't be negative");
    for(;n > 0; (n >>>= 1) && (str += str))if(n & 1)res += str;
    return res;
  }
});
},{"./$":16,"./$.def":12}],56:[function(require,module,exports){
'use strict';
var $    = require('./$')
  , cof  = require('./$.cof')
  , $def = require('./$.def');

$def($def.P, 'String', {
  // 21.1.3.18 String.prototype.startsWith(searchString [, position ])
  startsWith: function(searchString /*, position = 0 */){
    if(cof(searchString) == 'RegExp')throw TypeError();
    var that  = String($.assertDefined(this))
      , index = $.toLength(Math.min(arguments[1], that.length));
    searchString += '';
    return that.slice(index, index + searchString.length) === searchString;
  }
});
},{"./$":16,"./$.cof":7,"./$.def":12}],57:[function(require,module,exports){
'use strict';
// ECMAScript 6 symbols shim
var $        = require('./$')
  , setTag   = require('./$.cof').set
  , uid      = require('./$.uid')
  , $def     = require('./$.def')
  , keyOf    = require('./$.keyof')
  , has      = $.has
  , hide     = $.hide
  , getNames = $.getNames
  , toObject = $.toObject
  , Symbol   = $.g.Symbol
  , Base     = Symbol
  , setter   = false
  , TAG      = uid.safe('tag')
  , SymbolRegistry = {}
  , AllSymbols     = {};

function wrap(tag){
  var sym = AllSymbols[tag] = $.set($.create(Symbol.prototype), TAG, tag);
  $.DESC && setter && $.setDesc(Object.prototype, tag, {
    configurable: true,
    set: function(value){
      hide(this, tag, value);
    }
  });
  return sym;
}

// 19.4.1.1 Symbol([description])
if(!$.isFunction(Symbol)){
  Symbol = function(description){
    if(this instanceof Symbol)throw TypeError('Symbol is not a constructor');
    return wrap(uid(description));
  };
  hide(Symbol.prototype, 'toString', function(){
    return this[TAG];
  });
}
$def($def.G + $def.W, {Symbol: Symbol});

var symbolStatics = {
  // 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(key){
    return keyOf(SymbolRegistry, key);
  },
  pure: uid.safe,
  set: $.set,
  useSetter: function(){ setter = true; },
  useSimple: function(){ setter = false; }
};
// 19.4.2.2 Symbol.hasInstance
// 19.4.2.3 Symbol.isConcatSpreadable
// 19.4.2.4 Symbol.iterator
// 19.4.2.6 Symbol.match
// 19.4.2.8 Symbol.replace
// 19.4.2.9 Symbol.search
// 19.4.2.10 Symbol.species
// 19.4.2.11 Symbol.split
// 19.4.2.12 Symbol.toPrimitive
// 19.4.2.13 Symbol.toStringTag
// 19.4.2.14 Symbol.unscopables
$.each.call((
    'hasInstance,isConcatSpreadable,iterator,match,replace,search,' +
    'species,split,toPrimitive,toStringTag,unscopables'
  ).split(','), function(it){
    var sym = require('./$.wks')(it);
    symbolStatics[it] = Symbol === Base ? sym : wrap(sym);
  }
);

setter = true;

$def($def.S, 'Symbol', symbolStatics);

$def($def.S + $def.F * (Symbol != Base), 'Object', {
  // 19.1.2.7 Object.getOwnPropertyNames(O)
  getOwnPropertyNames: function(it){
    var names = getNames(toObject(it)), result = [], key, i = 0;
    while(names.length > i)has(AllSymbols, key = names[i++]) || result.push(key);
    return result;
  },
  // 19.1.2.8 Object.getOwnPropertySymbols(O)
  getOwnPropertySymbols: function(it){
    var names = getNames(toObject(it)), result = [], key, i = 0;
    while(names.length > i)has(AllSymbols, key = names[i++]) && result.push(AllSymbols[key]);
    return result;
  }
});

setTag(Symbol, 'Symbol');
// 20.2.1.9 Math[@@toStringTag]
setTag(Math, 'Math', true);
// 24.3.3 JSON[@@toStringTag]
setTag($.g.JSON, 'JSON', true);
},{"./$":16,"./$.cof":7,"./$.def":12,"./$.keyof":17,"./$.uid":24,"./$.wks":26}],58:[function(require,module,exports){
'use strict';
var $         = require('./$')
  , weak      = require('./$.collection-weak')
  , leakStore = weak.leakStore
  , ID        = weak.ID
  , WEAK      = weak.WEAK
  , has       = $.has
  , isObject  = $.isObject
  , isFrozen  = Object.isFrozen || $.core.Object.isFrozen
  , tmp       = {};

// 23.3 WeakMap Objects
var WeakMap = require('./$.collection')('WeakMap', {
  // 23.3.3.3 WeakMap.prototype.get(key)
  get: function(key){
    if(isObject(key)){
      if(isFrozen(key))return leakStore(this).get(key);
      if(has(key, WEAK))return key[WEAK][this[ID]];
    }
  },
  // 23.3.3.5 WeakMap.prototype.set(key, value)
  set: function(key, value){
    return weak.def(this, key, value);
  }
}, weak, true, true);

// IE11 WeakMap frozen keys fix
if($.FW && new WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7){
  $.each.call(['delete', 'has', 'get', 'set'], function(key){
    var method = WeakMap.prototype[key];
    WeakMap.prototype[key] = function(a, b){
      // store frozen objects on leaky map
      if(isObject(a) && isFrozen(a)){
        var result = leakStore(this)[key](a, b);
        return key == 'set' ? this : result;
      // store all the rest on native weakmap
      } return method.call(this, a, b);
    };
  });
}
},{"./$":16,"./$.collection":10,"./$.collection-weak":9}],59:[function(require,module,exports){
'use strict';
var weak = require('./$.collection-weak');

// 23.4 WeakSet Objects
require('./$.collection')('WeakSet', {
  // 23.4.3.1 WeakSet.prototype.add(value)
  add: function(value){
    return weak.def(this, value, true);
  }
}, weak, false, true);
},{"./$.collection":10,"./$.collection-weak":9}],60:[function(require,module,exports){
(function (global){
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * https://raw.github.com/facebook/regenerator/master/LICENSE file. An
 * additional grant of patent rights can be found in the PATENTS file in
 * the same directory.
 */

!(function(global) {
  "use strict";

  var hasOwn = Object.prototype.hasOwnProperty;
  var undefined; // More compressible than void 0.
  var iteratorSymbol =
    typeof Symbol === "function" && Symbol.iterator || "@@iterator";

  var inModule = typeof module === "object";
  var runtime = global.regeneratorRuntime;
  if (runtime) {
    if (inModule) {
      // If regeneratorRuntime is defined globally and we're in a module,
      // make the exports object identical to regeneratorRuntime.
      module.exports = runtime;
    }
    // Don't bother evaluating the rest of this file if the runtime was
    // already defined globally.
    return;
  }

  // Define the runtime globally (as expected by generated code) as either
  // module.exports (if we're in a module) or a new, empty object.
  runtime = global.regeneratorRuntime = inModule ? module.exports : {};

  function wrap(innerFn, outerFn, self, tryLocsList) {
    return new Generator(innerFn, outerFn, self || null, tryLocsList || []);
  }
  runtime.wrap = wrap;

  // Try/catch helper to minimize deoptimizations. Returns a completion
  // record like context.tryEntries[i].completion. This interface could
  // have been (and was previously) designed to take a closure to be
  // invoked without arguments, but in all the cases we care about we
  // already have an existing method we want to call, so there's no need
  // to create a new function object. We can even get away with assuming
  // the method takes exactly one argument, since that happens to be true
  // in every case, so we don't have to touch the arguments object. The
  // only additional allocation required is the completion record, which
  // has a stable shape and so hopefully should be cheap to allocate.
  function tryCatch(fn, obj, arg) {
    try {
      return { type: "normal", arg: fn.call(obj, arg) };
    } catch (err) {
      return { type: "throw", arg: err };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";

  // Returning this object from the innerFn has the same effect as
  // breaking out of the dispatch switch statement.
  var ContinueSentinel = {};

  // Dummy constructor functions that we use as the .constructor and
  // .constructor.prototype properties for functions that return Generator
  // objects. For full spec compliance, you may wish to configure your
  // minifier not to mangle the names of these two functions.
  function GeneratorFunction() {}
  function GeneratorFunctionPrototype() {}

  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype;
  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunction.displayName = "GeneratorFunction";

  runtime.isGeneratorFunction = function(genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor
      ? ctor === GeneratorFunction ||
        // For the native GeneratorFunction constructor, the best we can
        // do is to check its .name property.
        (ctor.displayName || ctor.name) === "GeneratorFunction"
      : false;
  };

  runtime.mark = function(genFun) {
    genFun.__proto__ = GeneratorFunctionPrototype;
    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  runtime.async = function(innerFn, outerFn, self, tryLocsList) {
    return new Promise(function(resolve, reject) {
      var generator = wrap(innerFn, outerFn, self, tryLocsList);
      var callNext = step.bind(generator.next);
      var callThrow = step.bind(generator["throw"]);

      function step(arg) {
        var record = tryCatch(this, null, arg);
        if (record.type === "throw") {
          reject(record.arg);
          return;
        }

        var info = record.arg;
        if (info.done) {
          resolve(info.value);
        } else {
          Promise.resolve(info.value).then(callNext, callThrow);
        }
      }

      callNext();
    });
  };

  function Generator(innerFn, outerFn, self, tryLocsList) {
    var generator = outerFn ? Object.create(outerFn.prototype) : this;
    var context = new Context(tryLocsList);
    var state = GenStateSuspendedStart;

    function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        // Be forgiving, per 25.3.3.3.3 of the spec:
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
        return doneResult();
      }

      while (true) {
        var delegate = context.delegate;
        if (delegate) {
          var record = tryCatch(
            delegate.iterator[method],
            delegate.iterator,
            arg
          );

          if (record.type === "throw") {
            context.delegate = null;

            // Like returning generator.throw(uncaught), but without the
            // overhead of an extra function call.
            method = "throw";
            arg = record.arg;

            continue;
          }

          // Delegate generator ran and handled its own exceptions so
          // regardless of what the method was, we continue as if it is
          // "next" with an undefined arg.
          method = "next";
          arg = undefined;

          var info = record.arg;
          if (info.done) {
            context[delegate.resultName] = info.value;
            context.next = delegate.nextLoc;
          } else {
            state = GenStateSuspendedYield;
            return info;
          }

          context.delegate = null;
        }

        if (method === "next") {
          if (state === GenStateSuspendedStart &&
              typeof arg !== "undefined") {
            // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
            throw new TypeError(
              "attempt to send " + JSON.stringify(arg) + " to newborn generator"
            );
          }

          if (state === GenStateSuspendedYield) {
            context.sent = arg;
          } else {
            delete context.sent;
          }

        } else if (method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw arg;
          }

          if (context.dispatchException(arg)) {
            // If the dispatched exception was caught by a catch block,
            // then let that catch block handle the exception normally.
            method = "next";
            arg = undefined;
          }

        } else if (method === "return") {
          context.abrupt("return", arg);
        }

        state = GenStateExecuting;

        var record = tryCatch(innerFn, self, context);
        if (record.type === "normal") {
          // If an exception is thrown from innerFn, we leave state ===
          // GenStateExecuting and loop back for another invocation.
          state = context.done
            ? GenStateCompleted
            : GenStateSuspendedYield;

          var info = {
            value: record.arg,
            done: context.done
          };

          if (record.arg === ContinueSentinel) {
            if (context.delegate && method === "next") {
              // Deliberately forget the last sent value so that we don't
              // accidentally pass it on to the delegate.
              arg = undefined;
            }
          } else {
            return info;
          }

        } else if (record.type === "throw") {
          state = GenStateCompleted;

          if (method === "next") {
            context.dispatchException(record.arg);
          } else {
            arg = record.arg;
          }
        }
      }
    }

    generator.next = invoke.bind(generator, "next");
    generator["throw"] = invoke.bind(generator, "throw");
    generator["return"] = invoke.bind(generator, "return");

    return generator;
  }

  Gp[iteratorSymbol] = function() {
    return this;
  };

  Gp.toString = function() {
    return "[object Generator]";
  };

  function pushTryEntry(locs) {
    var entry = { tryLoc: locs[0] };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{ tryLoc: "root" }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset();
  }

  runtime.keys = function(object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1, next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined;
          next.done = true;

          return next;
        };

        return next.next = next;
      }
    }

    // Return an iterator with no values.
    return { next: doneResult };
  }
  runtime.values = values;

  function doneResult() {
    return { value: undefined, done: true };
  }

  Context.prototype = {
    constructor: Context,

    reset: function() {
      this.prev = 0;
      this.next = 0;
      this.sent = undefined;
      this.done = false;
      this.delegate = null;

      this.tryEntries.forEach(resetTryEntry);

      // Pre-initialize at least 20 temporary variables to enable hidden
      // class optimizations for simple generators.
      for (var tempIndex = 0, tempName;
           hasOwn.call(this, tempName = "t" + tempIndex) || tempIndex < 20;
           ++tempIndex) {
        this[tempName] = null;
      }
    },

    stop: function() {
      this.done = true;

      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;
      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },

    dispatchException: function(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;
      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;
        return !!caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          // Exception thrown outside of any try block that could handle
          // it, so set the completion value of the entire function to
          // throw the exception.
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }

          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },

    abrupt: function(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev &&
            hasOwn.call(entry, "finallyLoc") &&
            this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry &&
          (type === "break" ||
           type === "continue") &&
          finallyEntry.tryLoc <= arg &&
          arg < finallyEntry.finallyLoc) {
        // Ignore the finally entry if control is not jumping to a
        // location outside the try/catch block.
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.next = finallyEntry.finallyLoc;
      } else {
        this.complete(record);
      }

      return ContinueSentinel;
    },

    complete: function(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" ||
          record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = record.arg;
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }

      return ContinueSentinel;
    },

    finish: function(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) {
          return this.complete(entry.completion, entry.afterLoc);
        }
      }
    },

    "catch": function(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }

      // The context.catch method must only be called with a location
      // argument that corresponds to a known catch block.
      throw new Error("illegal catch attempt");
    },

    delegateYield: function(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      return ContinueSentinel;
    }
  };
})(
  // Among the various tricks for obtaining a reference to the global
  // object, this seems to be the most reliable technique that does not
  // use indirect eval (which violates Content Security Policy).
  typeof global === "object" ? global :
  typeof window === "object" ? window : this
);

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}]},{},[1]);