https://github.com/rollup/rollup-plugin-commonjs/issues/360

[lishengzxc]

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

    var React__default = 'default' in React ? React['default'] : React;

  var id = 0;
    var px = Math.random();

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

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

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

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

    var _library = false;

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

  var _wks = createCommonjsModule(function (module) {
      var store = _shared('wks');
      var Symbol = _global.Symbol;
      var USE_SYMBOL = typeof Symbol == 'function';

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

      $exports.store = store;
    });

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

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

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

    var _ctx = function _ctx(fn, that, length) {
      _aFunction(fn);
      if (that === undefined) return fn;

      switch (length) {
        case 1:
          return function (a) {
            return fn.call(that, a);
          };

        case 2:
          return function (a, b) {
            return fn.call(that, a, b);
          };

        case 3:
          return function (a, b, c) {
            return fn.call(that, a, b, c);
          };
      }

      return function ()
      /* ...args */
      {
        return fn.apply(that, arguments);
      };
    };

    var f = {}.propertyIsEnumerable;
    var _objectPie = {
      f: f
    };

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

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

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

    var document = _global.document; // typeof document.createElement is 'object' in old IE

    var is = _isObject(document) && _isObject(document.createElement);

    var _domCreate = function _domCreate(it) {
      return is ? document.createElement(it) : {};
    };

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

    // instead of the ES6 spec version, we didn't implement @@toPrimitive case
    // and the second argument - flag - preferred type is a string

    var _toPrimitive = function _toPrimitive(it, S) {
      if (!_isObject(it)) return it;
      var fn, val;
      if (S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) return val;
      if (typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it))) return val;
      if (!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) return val;
      throw TypeError("Can't convert object to primitive value");
    };

    var dP = Object.defineProperty;
    var f$1 = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {
      _anObject(O);
      P = _toPrimitive(P, true);
      _anObject(Attributes);
      if (_ie8DomDefine) try {
        return dP(O, P, Attributes);
      } catch (e) {
        /* empty */
      }
      if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
      if ('value' in Attributes) O[P] = Attributes.value;
      return O;
    };
    var _objectDp = {
      f: f$1
    };

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

    var hasOwnProperty = {}.hasOwnProperty;

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

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

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

      (module.exports = function (O, key, val, safe) {
        var isFunction = typeof val == 'function';
        if (isFunction) _has(val, 'name') || _hide(val, 'name', key);
        if (O[key] === val) return;
        if (isFunction) _has(val, SRC) || _hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));

        if (O === _global) {
          O[key] = val;
        } else if (!safe) {
          delete O[key];
          _hide(O, key, val);
        } else if (O[key]) {
          O[key] = val;
        } else {
          _hide(O, key, val);
        } // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative

      })(Function.prototype, TO_STRING, function toString() {
        return typeof this == 'function' && this[SRC] || $toString.call(this);
      });
    });

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

    var _fixReWks = function _fixReWks(KEY, length, exec) {
      var SYMBOL = _wks(KEY);
      var fns = exec(_defined, SYMBOL, ''[KEY]);
      var strfn = fns[0];
      var rxfn = fns[1];

      if (_fails(function () {
        var O = {};

        O[SYMBOL] = function () {
          return 7;
        };

        return ''[KEY](O) != 7;
      })) {
        _redefine(String.prototype, KEY, strfn);
        _hide(RegExp.prototype, SYMBOL, length == 2 // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
        // 21.2.5.11 RegExp.prototype[@@split](string, limit)
        ? function (string, arg) {
          return rxfn.call(string, this, arg);
        } // 21.2.5.6 RegExp.prototype[@@match](string)
        // 21.2.5.9 RegExp.prototype[@@search](string)
        : function (string) {
          return rxfn.call(string, this);
        });
      }
    };

    _fixReWks('replace', 2, function (defined, REPLACE, $replace) {
      // 21.1.3.14 String.prototype.replace(searchValue, replaceValue)
      return [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);
      }, $replace];
    });

    var toString = {}.toString;

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

    var MATCH = _wks('match');

    var _isRegexp = function _isRegexp(it) {
      var isRegExp;
      return _isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : _cof(it) == 'RegExp');
    };

    _fixReWks('split', 2, function (defined, SPLIT, $split) {

      var isRegExp = _isRegexp;
      var _split = $split;
      var $push = [].push;
      var $SPLIT = 'split';
      var LENGTH = 'length';
      var LAST_INDEX = 'lastIndex';

      if ('abbc'[$SPLIT](/(b)*/)[1] == 'c' || 'test'[$SPLIT](/(?:)/, -1)[LENGTH] != 4 || 'ab'[$SPLIT](/(?:ab)*/)[LENGTH] != 2 || '.'[$SPLIT](/(.?)(.?)/)[LENGTH] != 4 || '.'[$SPLIT](/()()/)[LENGTH] > 1 || ''[$SPLIT](/.?/)[LENGTH]) {
        var NPCG = /()??/.exec('')[1] === undefined; // nonparticipating capturing group
        // based on es5-shim implementation, need to rework it

        $split = function $split(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 ? 4294967295 : limit >>> 0; // Make `global` and avoid `lastIndex` issues by working with a copy

          var separatorCopy = new RegExp(separator.source, flags + 'g');
          var separator2, match, lastIndex, lastLength, i; // Doesn't need flags gy, but they don't hurt

          if (!NPCG) separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags);

          while (match = separatorCopy.exec(string)) {
            // `separatorCopy.lastIndex` is not reliable cross-browser
            lastIndex = match.index + match[0][LENGTH];

            if (lastIndex > lastLastIndex) {
              output.push(string.slice(lastLastIndex, match.index)); // Fix browsers whose `exec` methods don't consistently return `undefined` for NPCG
              // eslint-disable-next-line no-loop-func

              if (!NPCG && match[LENGTH] > 1) match[0].replace(separator2, function () {
                for (i = 1; i < arguments[LENGTH] - 2; i++) if (arguments[i] === undefined) match[i] = undefined;
              });
              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]) {
        $split = function $split(separator, limit) {
          return separator === undefined && limit === 0 ? [] : _split.call(this, separator, limit);
        };
      } // 21.1.3.17 String.prototype.split(separator, limit)

      return [function split(separator, limit) {
        var O = defined(this);
        var fn = separator == undefined ? undefined : separator[SPLIT];
        return fn !== undefined ? fn.call(separator, O, limit) : $split.call(String(O), separator, limit);
      }, $split];
    });

    // eslint-disable-next-line no-prototype-builtins

    var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
      return _cof(it) == 'String' ? it.split('') : Object(it);
    };

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

    var gOPD = Object.getOwnPropertyDescriptor;
    var f$2 = _descriptors ? gOPD : function getOwnPropertyDescriptor(O, P) {
      O = _toIobject(O);
      P = _toPrimitive(P, true);
      if (_ie8DomDefine) try {
        return gOPD(O, P);
      } catch (e) {
        /* empty */
      }
      if (_has(O, P)) return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
    };
    var _objectGopd = {
      f: f$2
    };

    /* eslint-disable no-proto */

    var check = function check(O, proto) {
      _anObject(O);
      if (!_isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
    };

    var _setProto = {
      set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
      function (test, buggy, set) {
        try {
          set = _ctx(Function.call, _objectGopd.f(Object.prototype, '__proto__').set, 2);
          set(test, []);
          buggy = !(test instanceof Array);
        } catch (e) {
          buggy = true;
        }

        return function setPrototypeOf(O, proto) {
          check(O, proto);
          if (buggy) O.__proto__ = proto;else set(O, proto);
          return O;
        };
      }({}, false) : undefined),
      check: check
    };

    var setPrototypeOf = _setProto.set;

    var _inheritIfRequired = function _inheritIfRequired(that, target, C) {
      var S = target.constructor;
      var P;

      if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && _isObject(P) && setPrototypeOf) {
        setPrototypeOf(that, P);
      }

      return that;
    };

    // 7.1.4 ToInteger
    var ceil = Math.ceil;
    var floor = Math.floor;

    var _toInteger = function _toInteger(it) {
      return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
    };

    var min = Math.min;

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

    var max = Math.max;
    var min$1 = Math.min;

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

    // true  -> Array#includes

    var _arrayIncludes = function _arrayIncludes(IS_INCLUDES) {
      return function ($this, el, fromIndex) {
        var O = _toIobject($this);
        var length = _toLength(O.length);
        var index = _toAbsoluteIndex(fromIndex, length);
        var value; // Array#includes uses SameValueZero equality algorithm
        // eslint-disable-next-line no-self-compare

        if (IS_INCLUDES && el != el) while (length > index) {
          value = O[index++]; // eslint-disable-next-line no-self-compare

          if (value != value) return true; // Array#indexOf ignores holes, Array#includes - not
        } else for (; length > index; index++) if (IS_INCLUDES || index in O) {
          if (O[index] === el) return IS_INCLUDES || index || 0;
        }
        return !IS_INCLUDES && -1;
      };
    };

    var shared = _shared('keys');

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

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

    var _objectKeysInternal = function _objectKeysInternal(object, names) {
      var O = _toIobject(object);
      var i = 0;
      var result = [];
      var key;

      for (key in O) if (key != IE_PROTO) _has(O, key) && result.push(key); // Don't enum bug & hidden keys

      while (names.length > i) if (_has(O, key = names[i++])) {
        ~arrayIndexOf(result, key) || result.push(key);
      }

      return result;
    };

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

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

    var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
      return _objectKeysInternal(O, hiddenKeys);
    };

    var _objectGopn = {
      f: f$3
    };

    var _flags = function _flags() {
      var that = _anObject(this);
      var result = '';
      if (that.global) result += 'g';
      if (that.ignoreCase) result += 'i';
      if (that.multiline) result += 'm';
      if (that.unicode) result += 'u';
      if (that.sticky) result += 'y';
      return result;
    };

    var SPECIES = _wks('species');

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

    var dP$1 = _objectDp.f;
    var gOPN = _objectGopn.f;
    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 (_descriptors && (!CORRECT_NEW || _fails(function () {
      re2[_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 proxy(key) {
        key in $RegExp || dP$1($RegExp, key, {
          configurable: true,
          get: function get() {
            return Base[key];
          },
          set: function set(it) {
            Base[key] = it;
          }
        });
      };

      for (var keys = gOPN(Base), i = 0; keys.length > i;) proxy(keys[i++]);

      proto.constructor = $RegExp;
      $RegExp.prototype = proto;
      _redefine(_global, 'RegExp', $RegExp);
    }

    _setSpecies('RegExp');

    if (_descriptors && /./g.flags != 'g') _objectDp.f(RegExp.prototype, 'flags', {
      configurable: true,
      get: _flags
    });

    var TO_STRING = 'toString';
    var $toString = /./[TO_STRING];

    var define = function define(fn) {
      _redefine(RegExp.prototype, TO_STRING, fn, true);
    }; // 21.2.5.14 RegExp.prototype.toString()

    if (_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);
      });
    }

    // var id = 0;
    // var px = Math.random();

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

    // var _wks = createCommonjsModule(function (module) {
    //   var store = _shared('wks');
    //   var Symbol = _global.Symbol;
    //   var USE_SYMBOL = typeof Symbol == 'function';

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

    //   $exports.store = store;
    // });

    var UNSCOPABLES = _wks('unscopables');
    var ArrayProto = Array.prototype;
    if (ArrayProto[UNSCOPABLES] == undefined) _hide(ArrayProto, UNSCOPABLES, {});

    var _addToUnscopables = function _addToUnscopables(key) {
      ArrayProto[UNSCOPABLES][key] = true;
    };

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

    var _iterators = {};

    var PROTOTYPE = 'prototype';

    var $export = function $export(type, name, source) {
      var IS_FORCED = type & $export.F;
      var IS_GLOBAL = type & $export.G;
      var IS_STATIC = type & $export.S;
      var IS_PROTO = type & $export.P;
      var IS_BIND = type & $export.B;
      var target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] || (_global[name] = {}) : (_global[name] || {})[PROTOTYPE];
      var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
      var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
      var key, own, out, exp;
      if (IS_GLOBAL) source = name;

      for (key in source) {
        // contains in native
        own = !IS_FORCED && target && target[key] !== undefined; // export native or passed

        out = (own ? target : source)[key]; // bind timers to global for call from export context

        exp = IS_BIND && own ? _ctx(out, _global) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out; // extend global

        if (target) _redefine(target, key, out, type & $export.U); // export

        if (exports[key] != out) _hide(exports, key, exp);
        if (IS_PROTO && expProto[key] != out) expProto[key] = out;
      }
    };

    _global.core = _core; // type bitmap

    $export.F = 1; // forced

    $export.G = 2; // global

    $export.S = 4; // static

    $export.P = 8; // proto

    $export.B = 16; // bind

    $export.W = 32; // wrap

    $export.U = 64; // safe

    $export.R = 128; // real proto method for `library`

    var _export = $export;

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

    var _objectDps = _descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
      _anObject(O);
      var keys = _objectKeys(Properties);
      var length = keys.length;
      var i = 0;
      var P;

      while (length > i) _objectDp.f(O, P = keys[i++], Properties[P]);

      return O;
    };

    var document$1 = _global.document;

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

    var IE_PROTO$1 = _sharedKey('IE_PROTO');

    var Empty = function Empty() {
      /* empty */
    };

    var PROTOTYPE$1 = 'prototype'; // Create object with fake `null` prototype: use iframe Object with cleared prototype

    var _createDict = function createDict() {
      // Thrash, waste and sodomy: IE GC bug
      var iframe = _domCreate('iframe');
      var i = _enumBugKeys.length;
      var lt = '<';
      var gt = '>';
      var iframeDocument;
      iframe.style.display = 'none';
      _html.appendChild(iframe);
      iframe.src = 'javascript:'; // eslint-disable-line no-script-url
      // createDict = iframe.contentWindow.Object;
      // html.removeChild(iframe);

      iframeDocument = iframe.contentWindow.document;
      iframeDocument.open();
      iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
      iframeDocument.close();
      _createDict = iframeDocument.F;

      while (i--) delete _createDict[PROTOTYPE$1][_enumBugKeys[i]];

      return _createDict();
    };

    var _objectCreate = Object.create || function create(O, Properties) {
      var result;

      if (O !== null) {
        Empty[PROTOTYPE$1] = _anObject(O);
        result = new Empty();
        Empty[PROTOTYPE$1] = null; // add "__proto__" for Object.getPrototypeOf polyfill

        result[IE_PROTO$1] = O;
      } else result = _createDict();

      return Properties === undefined ? result : _objectDps(result, Properties);
    };

    var def = _objectDp.f;
    var TAG = _wks('toStringTag');

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

    var IteratorPrototype = {}; // 25.1.2.1.1 %IteratorPrototype%[@@iterator]()

    _hide(IteratorPrototype, _wks('iterator'), function () {
      return this;
    });

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

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

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

    var _objectGpo = Object.getPrototypeOf || function (O) {
      O = _toObject(O);
      if (_has(O, IE_PROTO$2)) return O[IE_PROTO$2];

      if (typeof O.constructor == 'function' && O instanceof O.constructor) {
        return O.constructor.prototype;
      }

      return O instanceof Object ? ObjectProto : null;
    };

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

    var FF_ITERATOR = '@@iterator';
    var KEYS = 'keys';
    var VALUES = 'values';

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

    var _iterDefine = function _iterDefine(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
      _iterCreate(Constructor, NAME, next);

      var getMethod = function getMethod(kind) {
        if (!BUGGY && kind in proto) return proto[kind];

        switch (kind) {
          case KEYS:
            return function keys() {
              return new Constructor(this, kind);
            };

          case VALUES:
            return function values() {
              return new Constructor(this, kind);
            };
        }

        return function entries() {
          return new Constructor(this, kind);
        };
      };

      var TAG = NAME + ' Iterator';
      var DEF_VALUES = DEFAULT == VALUES;
      var VALUES_BUG = false;
      var proto = Base.prototype;
      var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
      var $default = $native || getMethod(DEFAULT);
      var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
      var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
      var methods, key, IteratorPrototype; // Fix native

      if ($anyNative) {
        IteratorPrototype = _objectGpo($anyNative.call(new Base()));

        if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
          // Set @@toStringTag to native iterators
          _setToStringTag(IteratorPrototype, TAG, true); // fix for some old engines

          if (!_library && typeof IteratorPrototype[ITERATOR] != 'function') _hide(IteratorPrototype, ITERATOR, returnThis);
        }
      } // fix Array#{values, @@iterator}.name in V8 / FF

      if (DEF_VALUES && $native && $native.name !== VALUES) {
        VALUES_BUG = true;

        $default = function values() {
          return $native.call(this);
        };
      } // Define iterator

      if ((!_library || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
        _hide(proto, ITERATOR, $default);
      } // Plug for library

      _iterators[NAME] = $default;
      _iterators[TAG] = returnThis;

      if (DEFAULT) {
        methods = {
          values: DEF_VALUES ? $default : getMethod(VALUES),
          keys: IS_SET ? $default : getMethod(KEYS),
          entries: $entries
        };
        if (FORCED) for (key in methods) {
          if (!(key in proto)) _redefine(proto, key, methods[key]);
        } else _export(_export.P + _export.F * (BUGGY || VALUES_BUG), NAME, methods);
      }

      return methods;
    };

    // 22.1.3.13 Array.prototype.keys()
    // 22.1.3.29 Array.prototype.values()
    // 22.1.3.30 Array.prototype[@@iterator]()

    var es6_array_iterator = _iterDefine(Array, 'Array', function (iterated, kind) {
      this._t = _toIobject(iterated); // target

      this._i = 0; // next index

      this._k = kind; // kind
      // 22.1.5.2.1 %ArrayIteratorPrototype%.next()
    }, function () {
      var O = this._t;
      var kind = this._k;
      var index = this._i++;

      if (!O || index >= O.length) {
        this._t = undefined;
        return _iterStep(1);
      }

      if (kind == 'keys') return _iterStep(0, index);
      if (kind == 'values') return _iterStep(0, O[index]);
      return _iterStep(0, [index, O[index]]);
    }, 'values'); // argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)

    _iterators.Arguments = _iterators.Array;
    _addToUnscopables('keys');
    _addToUnscopables('values');
    _addToUnscopables('entries');

    var ITERATOR$1 = _wks('iterator');
    var TO_STRING_TAG = _wks('toStringTag');
    var ArrayValues = _iterators.Array;
    var DOMIterables = {
      CSSRuleList: true,
      // TODO: Not spec compliant, should be false.
      CSSStyleDeclaration: false,
      CSSValueList: false,
      ClientRectList: false,
      DOMRectList: false,
      DOMStringList: false,
      DOMTokenList: true,
      DataTransferItemList: false,
      FileList: false,
      HTMLAllCollection: false,
      HTMLCollection: false,
      HTMLFormElement: false,
      HTMLSelectElement: false,
      MediaList: true,
      // TODO: Not spec compliant, should be false.
      MimeTypeArray: false,
      NamedNodeMap: false,
      NodeList: true,
      PaintRequestList: false,
      Plugin: false,
      PluginArray: false,
      SVGLengthList: false,
      SVGNumberList: false,
      SVGPathSegList: false,
      SVGPointList: false,
      SVGStringList: false,
      SVGTransformList: false,
      SourceBufferList: false,
      StyleSheetList: true,
      // TODO: Not spec compliant, should be false.
      TextTrackCueList: false,
      TextTrackList: false,
      TouchList: false
    };

    for (var collections = _objectKeys(DOMIterables), i$1 = 0; i$1 < collections.length; i$1++) {
      var NAME = collections[i$1];
      var explicit = DOMIterables[NAME];
      var Collection = _global[NAME];
      var proto$1 = Collection && Collection.prototype;
      var key;

      if (proto$1) {
        if (!proto$1[ITERATOR$1]) _hide(proto$1, ITERATOR$1, ArrayValues);
        if (!proto$1[TO_STRING_TAG]) _hide(proto$1, TO_STRING_TAG, NAME);
        _iterators[NAME] = ArrayValues;
        if (explicit) for (key in es6_array_iterator) if (!proto$1[key]) _redefine(proto$1, key, es6_array_iterator[key], true);
      }
    }

    var domain; // This constructor is used to store event handlers. Instantiating this is
    // faster than explicitly calling `Object.create(null)` to get a "clean" empty
    // object (tested with v8 v4.9).

    function EventHandlers() {}

    EventHandlers.prototype = Object.create(null);

    function EventEmitter() {
      EventEmitter.init.call(this);
    }
    // require('events') === require('events').EventEmitter

    EventEmitter.EventEmitter = EventEmitter;
    EventEmitter.usingDomains = false;
    EventEmitter.prototype.domain = undefined;
    EventEmitter.prototype._events = undefined;
    EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are
    // added to it. This is a useful default which helps finding memory leaks.

    EventEmitter.defaultMaxListeners = 10;

    EventEmitter.init = function () {
      this.domain = null;

      if (EventEmitter.usingDomains) {
        // if there is an active domain, then attach to it.
        if (domain.active && !(this instanceof domain.Domain)) ;
      }

      if (!this._events || this._events === Object.getPrototypeOf(this)._events) {
        this._events = new EventHandlers();
        this._eventsCount = 0;
      }

      this._maxListeners = this._maxListeners || undefined;
    }; // Obviously not all Emitters should be limited to 10. This function allows
    // that to be increased. Set to zero for unlimited.

    EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
      if (typeof n !== 'number' || n < 0 || isNaN(n)) throw new TypeError('"n" argument must be a positive number');
      this._maxListeners = n;
      return this;
    };

    function $getMaxListeners(that) {
      if (that._maxListeners === undefined) return EventEmitter.defaultMaxListeners;
      return that._maxListeners;
    }

    EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
      return $getMaxListeners(this);
    }; // These standalone emit* functions are used to optimize calling of event
    // handlers for fast cases because emit() itself often has a variable number of
    // arguments and can be deoptimized because of that. These functions always have
    // the same number of arguments and thus do not get deoptimized, so the code
    // inside them can execute faster.

    function emitNone(handler, isFn, self) {
      if (isFn) handler.call(self);else {
        var len = handler.length;
        var listeners = arrayClone(handler, len);

        for (var i = 0; i < len; ++i) listeners[i].call(self);
      }
    }

    function emitOne(handler, isFn, self, arg1) {
      if (isFn) handler.call(self, arg1);else {
        var len = handler.length;
        var listeners = arrayClone(handler, len);

        for (var i = 0; i < len; ++i) listeners[i].call(self, arg1);
      }
    }

    function emitTwo(handler, isFn, self, arg1, arg2) {
      if (isFn) handler.call(self, arg1, arg2);else {
        var len = handler.length;
        var listeners = arrayClone(handler, len);

        for (var i = 0; i < len; ++i) listeners[i].call(self, arg1, arg2);
      }
    }

    function emitThree(handler, isFn, self, arg1, arg2, arg3) {
      if (isFn) handler.call(self, arg1, arg2, arg3);else {
        var len = handler.length;
        var listeners = arrayClone(handler, len);

        for (var i = 0; i < len; ++i) listeners[i].call(self, arg1, arg2, arg3);
      }
    }

    function emitMany(handler, isFn, self, args) {
      if (isFn) handler.apply(self, args);else {
        var len = handler.length;
        var listeners = arrayClone(handler, len);

        for (var i = 0; i < len; ++i) listeners[i].apply(self, args);
      }
    }

    EventEmitter.prototype.emit = function emit(type) {
      var er, handler, len, args, i, events, domain;
      var doError = type === 'error';
      events = this._events;
      if (events) doError = doError && events.error == null;else if (!doError) return false;
      domain = this.domain; // If there is no 'error' event listener then throw.

      if (doError) {
        er = arguments[1];

        if (domain) {
          if (!er) er = new Error('Uncaught, unspecified "error" event');
          er.domainEmitter = this;
          er.domain = domain;
          er.domainThrown = false;
          domain.emit('error', er);
        } else if (er instanceof Error) {
          throw er; // Unhandled 'error' event
        } else {
          // At least give some kind of context to the user
          var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
          err.context = er;
          throw err;
        }

        return false;
      }

      handler = events[type];
      if (!handler) return false;
      var isFn = typeof handler === 'function';
      len = arguments.length;

      switch (len) {
        // fast cases
        case 1:
          emitNone(handler, isFn, this);
          break;

        case 2:
          emitOne(handler, isFn, this, arguments[1]);
          break;

        case 3:
          emitTwo(handler, isFn, this, arguments[1], arguments[2]);
          break;

        case 4:
          emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]);
          break;
        // slower

        default:
          args = new Array(len - 1);

          for (i = 1; i < len; i++) args[i - 1] = arguments[i];

          emitMany(handler, isFn, this, args);
      }
      return true;
    };

    function _addListener(target, type, listener, prepend) {
      var m;
      var events;
      var existing;
      if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
      events = target._events;

      if (!events) {
        events = target._events = new EventHandlers();
        target._eventsCount = 0;
      } else {
        // To avoid recursion in the case that type === "newListener"! Before
        // adding it to the listeners, first emit "newListener".
        if (events.newListener) {
          target.emit('newListener', type, listener.listener ? listener.listener : listener); // Re-assign `events` because a newListener handler could have caused the
          // this._events to be assigned to a new object

          events = target._events;
        }

        existing = events[type];
      }

      if (!existing) {
        // Optimize the case of one listener. Don't need the extra array object.
        existing = events[type] = listener;
        ++target._eventsCount;
      } else {
        if (typeof existing === 'function') {
          // Adding the second element, need to change to array.
          existing = events[type] = prepend ? [listener, existing] : [existing, listener];
        } else {
          // If we've already got an array, just append.
          if (prepend) {
            existing.unshift(listener);
          } else {
            existing.push(listener);
          }
        } // Check for listener leak

        if (!existing.warned) {
          m = $getMaxListeners(target);

          if (m && m > 0 && existing.length > m) {
            existing.warned = true;
            var w = new Error('Possible EventEmitter memory leak detected. ' + existing.length + ' ' + type + ' listeners added. ' + 'Use emitter.setMaxListeners() to increase limit');
            w.name = 'MaxListenersExceededWarning';
            w.emitter = target;
            w.type = type;
            w.count = existing.length;
            emitWarning(w);
          }
        }
      }

      return target;
    }

    function emitWarning(e) {
      typeof console.warn === 'function' ? console.warn(e) : console.log(e);
    }

    EventEmitter.prototype.addListener = function addListener(type, listener) {
      return _addListener(this, type, listener, false);
    };

    EventEmitter.prototype.on = EventEmitter.prototype.addListener;

    EventEmitter.prototype.prependListener = function prependListener(type, listener) {
      return _addListener(this, type, listener, true);
    };

    function _onceWrap(target, type, listener) {
      var fired = false;

      function g() {
        target.removeListener(type, g);

        if (!fired) {
          fired = true;
          listener.apply(target, arguments);
        }
      }

      g.listener = listener;
      return g;
    }

    EventEmitter.prototype.once = function once(type, listener) {
      if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
      this.on(type, _onceWrap(this, type, listener));
      return this;
    };

    EventEmitter.prototype.prependOnceListener = function prependOnceListener(type, listener) {
      if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
      this.prependListener(type, _onceWrap(this, type, listener));
      return this;
    }; // emits a 'removeListener' event iff the listener was removed

    EventEmitter.prototype.removeListener = function removeListener(type, listener) {
      var list, events, position, i, originalListener;
      if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
      events = this._events;
      if (!events) return this;
      list = events[type];
      if (!list) return this;

      if (list === listener || list.listener && list.listener === listener) {
        if (--this._eventsCount === 0) this._events = new EventHandlers();else {
          delete events[type];
          if (events.removeListener) this.emit('removeListener', type, list.listener || listener);
        }
      } else if (typeof list !== 'function') {
        position = -1;

        for (i = list.length; i-- > 0;) {
          if (list[i] === listener || list[i].listener && list[i].listener === listener) {
            originalListener = list[i].listener;
            position = i;
            break;
          }
        }

        if (position < 0) return this;

        if (list.length === 1) {
          list[0] = undefined;

          if (--this._eventsCount === 0) {
            this._events = new EventHandlers();
            return this;
          } else {
            delete events[type];
          }
        } else {
          spliceOne(list, position);
        }

        if (events.removeListener) this.emit('removeListener', type, originalListener || listener);
      }

      return this;
    };

    EventEmitter.prototype.removeAllListeners = function removeAllListeners(type) {
      var listeners, events;
      events = this._events;
      if (!events) return this; // not listening for removeListener, no need to emit

      if (!events.removeListener) {
        if (arguments.length === 0) {
          this._events = new EventHandlers();
          this._eventsCount = 0;
        } else if (events[type]) {
          if (--this._eventsCount === 0) this._events = new EventHandlers();else delete events[type];
        }

        return this;
      } // emit removeListener for all listeners on all events

      if (arguments.length === 0) {
        var keys = Object.keys(events);

        for (var i = 0, key; i < keys.length; ++i) {
          key = keys[i];
          if (key === 'removeListener') continue;
          this.removeAllListeners(key);
        }

        this.removeAllListeners('removeListener');
        this._events = new EventHandlers();
        this._eventsCount = 0;
        return this;
      }

      listeners = events[type];

      if (typeof listeners === 'function') {
        this.removeListener(type, listeners);
      } else if (listeners) {
        // LIFO order
        do {
          this.removeListener(type, listeners[listeners.length - 1]);
        } while (listeners[0]);
      }

      return this;
    };

    EventEmitter.prototype.listeners = function listeners(type) {
      var evlistener;
      var ret;
      var events = this._events;
      if (!events) ret = [];else {
        evlistener = events[type];
        if (!evlistener) ret = [];else if (typeof evlistener === 'function') ret = [evlistener.listener || evlistener];else ret = unwrapListeners(evlistener);
      }
      return ret;
    };

    EventEmitter.listenerCount = function (emitter, type) {
      if (typeof emitter.listenerCount === 'function') {
        return emitter.listenerCount(type);
      } else {
        return listenerCount.call(emitter, type);
      }
    };

    EventEmitter.prototype.listenerCount = listenerCount;

    function listenerCount(type) {
      var events = this._events;

      if (events) {
        var evlistener = events[type];

        if (typeof evlistener === 'function') {
          return 1;
        } else if (evlistener) {
          return evlistener.length;
        }
      }

      return 0;
    }

    EventEmitter.prototype.eventNames = function eventNames() {
      return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : [];
    }; // About 1.5x faster than the two-arg version of Array#splice().

    function spliceOne(list, index) {
      for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) list[i] = list[k];

      list.pop();
    }

    function arrayClone(arr, i) {
      var copy = new Array(i);

      while (i--) copy[i] = arr[i];

      return copy;
    }

    function unwrapListeners(arr) {
      var ret = new Array(arr.length);

      for (var i = 0; i < ret.length; ++i) {
        ret[i] = arr[i].listener || arr[i];
      }

      return ret;
    }

    // import debounce from 'lodash/debounce';
    // import moment from 'moment';

    function helloworld() {
      console.log(React__default);
      console.log(EventEmitter); // console.log(Component);
      // console.log(debounce);
      // console.log(_.throttle);
      // console.log(moment);

      console.log('helloworld');
    }

    function helloworld$1() {
      console.log('helloworld');
    }

    class Apple {
      constructor({
        model
      }) {
        this.className = 'Apple';
        this.model = model;
      }

      getModel() {
        return this.model;
      }

    }

    class Person {
      constructor({
        name,
        age,
        sex
      }) {
        this.className = 'Person';
        this.name = name;
        this.age = age;
        this.sex = sex;
      }

      getName() {
        return this.name;
      }

    }

    exports.helloworld = helloworld;
    exports.Person = Person;
    exports.Apple = Apple;
    exports.h = helloworld$1;

    Object.defineProperty(exports, '__esModule', { value: true });

})));