index.browser.ie6to9.js

/*!
 * @renoirb/polyfill-for-of-example v1.0.0-dev.0
 * (c) 
 * Released under the UNLICENSED License.
 */
var ForOfExample = (function (exports) {
  'use strict';

  var fails = function (exec) {
    try {
      return !!exec();
    } catch (error) {
      return true;
    }
  };

  var toString = {}.toString;

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

  var split = ''.split;

  // fallback for non-array-like ES3 and non-enumerable old V8 strings
  var indexedObject = fails(function () {
    // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
    // eslint-disable-next-line no-prototype-builtins
    return !Object('z').propertyIsEnumerable(0);
  }) ? function (it) {
    return classofRaw(it) == 'String' ? split.call(it, '') : Object(it);
  } : Object;

  // `RequireObjectCoercible` abstract operation
  // https://tc39.github.io/ecma262/#sec-requireobjectcoercible
  var requireObjectCoercible = function (it) {
    if (it == undefined) throw TypeError("Can't call method on " + it);
    return it;
  };

  // toObject with fallback for non-array-like ES3 strings



  var toIndexedObject = function (it) {
    return indexedObject(requireObjectCoercible(it));
  };

  var iterators = {};

  var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

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

  var O = 'object';
  var check = function (it) {
    return it && it.Math == Math && it;
  };

  // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
  var global_1 =
    // eslint-disable-next-line no-undef
    check(typeof globalThis == O && globalThis) ||
    check(typeof window == O && window) ||
    check(typeof self == O && self) ||
    check(typeof commonjsGlobal == O && commonjsGlobal) ||
    // eslint-disable-next-line no-new-func
    Function('return this')();

  // Thank's IE8 for his funny defineProperty
  var descriptors = !fails(function () {
    return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
  });

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

  var document = global_1.document;
  // typeof document.createElement is 'object' in old IE
  var EXISTS = isObject(document) && isObject(document.createElement);

  var documentCreateElement = function (it) {
    return EXISTS ? document.createElement(it) : {};
  };

  // Thank's IE8 for his funny defineProperty
  var ie8DomDefine = !descriptors && !fails(function () {
    return Object.defineProperty(documentCreateElement('div'), 'a', {
      get: function () { return 7; }
    }).a != 7;
  });

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

  // `ToPrimitive` abstract operation
  // https://tc39.github.io/ecma262/#sec-toprimitive
  // 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 (input, PREFERRED_STRING) {
    if (!isObject(input)) return input;
    var fn, val;
    if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
    if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
    if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
    throw TypeError("Can't convert object to primitive value");
  };

  var nativeDefineProperty = Object.defineProperty;

  // `Object.defineProperty` method
  // https://tc39.github.io/ecma262/#sec-object.defineproperty
  var f = descriptors ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPrimitive(P, true);
    anObject(Attributes);
    if (ie8DomDefine) try {
      return nativeDefineProperty(O, P, Attributes);
    } catch (error) { /* empty */ }
    if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
    if ('value' in Attributes) O[P] = Attributes.value;
    return O;
  };

  var objectDefineProperty = {
  	f: f
  };

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

  var hide = descriptors ? function (object, key, value) {
    return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
  } : function (object, key, value) {
    object[key] = value;
    return object;
  };

  var setGlobal = function (key, value) {
    try {
      hide(global_1, key, value);
    } catch (error) {
      global_1[key] = value;
    } return value;
  };

  var shared = createCommonjsModule(function (module) {
  var SHARED = '__core-js_shared__';
  var store = global_1[SHARED] || setGlobal(SHARED, {});

  (module.exports = function (key, value) {
    return store[key] || (store[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: '3.2.1',
    mode:  'pure' ,
    copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
  });
  });

  var functionToString = shared('native-function-to-string', Function.toString);

  var WeakMap = global_1.WeakMap;

  var nativeWeakMap = typeof WeakMap === 'function' && /native code/.test(functionToString.call(WeakMap));

  var hasOwnProperty = {}.hasOwnProperty;

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

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

  var uid = function (key) {
    return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
  };

  var keys = shared('keys');

  var sharedKey = function (key) {
    return keys[key] || (keys[key] = uid(key));
  };

  var hiddenKeys = {};

  var WeakMap$1 = global_1.WeakMap;
  var set, get, has$1;

  var enforce = function (it) {
    return has$1(it) ? get(it) : set(it, {});
  };

  var getterFor = function (TYPE) {
    return function (it) {
      var state;
      if (!isObject(it) || (state = get(it)).type !== TYPE) {
        throw TypeError('Incompatible receiver, ' + TYPE + ' required');
      } return state;
    };
  };

  if (nativeWeakMap) {
    var store = new WeakMap$1();
    var wmget = store.get;
    var wmhas = store.has;
    var wmset = store.set;
    set = function (it, metadata) {
      wmset.call(store, it, metadata);
      return metadata;
    };
    get = function (it) {
      return wmget.call(store, it) || {};
    };
    has$1 = function (it) {
      return wmhas.call(store, it);
    };
  } else {
    var STATE = sharedKey('state');
    hiddenKeys[STATE] = true;
    set = function (it, metadata) {
      hide(it, STATE, metadata);
      return metadata;
    };
    get = function (it) {
      return has(it, STATE) ? it[STATE] : {};
    };
    has$1 = function (it) {
      return has(it, STATE);
    };
  }

  var internalState = {
    set: set,
    get: get,
    has: has$1,
    enforce: enforce,
    getterFor: getterFor
  };

  var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
  var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

  // Nashorn ~ JDK8 bug
  var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);

  // `Object.prototype.propertyIsEnumerable` method implementation
  // https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable
  var f$1 = NASHORN_BUG ? function propertyIsEnumerable(V) {
    var descriptor = getOwnPropertyDescriptor(this, V);
    return !!descriptor && descriptor.enumerable;
  } : nativePropertyIsEnumerable;

  var objectPropertyIsEnumerable = {
  	f: f$1
  };

  var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

  // `Object.getOwnPropertyDescriptor` method
  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
  var f$2 = descriptors ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
    O = toIndexedObject(O);
    P = toPrimitive(P, true);
    if (ie8DomDefine) try {
      return nativeGetOwnPropertyDescriptor(O, P);
    } catch (error) { /* empty */ }
    if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
  };

  var objectGetOwnPropertyDescriptor = {
  	f: f$2
  };

  var replacement = /#|\.prototype\./;

  var isForced = function (feature, detection) {
    var value = data[normalize(feature)];
    return value == POLYFILL ? true
      : value == NATIVE ? false
      : typeof detection == 'function' ? fails(detection)
      : !!detection;
  };

  var normalize = isForced.normalize = function (string) {
    return String(string).replace(replacement, '.').toLowerCase();
  };

  var data = isForced.data = {};
  var NATIVE = isForced.NATIVE = 'N';
  var POLYFILL = isForced.POLYFILL = 'P';

  var isForced_1 = isForced;

  var path = {};

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

  // optional / simple context binding
  var bindContext = function (fn, that, length) {
    aFunction(fn);
    if (that === undefined) return fn;
    switch (length) {
      case 0: return function () {
        return fn.call(that);
      };
      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 getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;






  var wrapConstructor = function (NativeConstructor) {
    var Wrapper = function (a, b, c) {
      if (this instanceof NativeConstructor) {
        switch (arguments.length) {
          case 0: return new NativeConstructor();
          case 1: return new NativeConstructor(a);
          case 2: return new NativeConstructor(a, b);
        } return new NativeConstructor(a, b, c);
      } return NativeConstructor.apply(this, arguments);
    };
    Wrapper.prototype = NativeConstructor.prototype;
    return Wrapper;
  };

  /*
    options.target      - name of the target object
    options.global      - target is the global object
    options.stat        - export as static methods of target
    options.proto       - export as prototype methods of target
    options.real        - real prototype method for the `pure` version
    options.forced      - export even if the native feature is available
    options.bind        - bind methods to the target, required for the `pure` version
    options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
    options.unsafe      - use the simple assignment of property instead of delete + defineProperty
    options.sham        - add a flag to not completely full polyfills
    options.enumerable  - export as enumerable property
    options.noTargetGet - prevent calling a getter on target
  */
  var _export = function (options, source) {
    var TARGET = options.target;
    var GLOBAL = options.global;
    var STATIC = options.stat;
    var PROTO = options.proto;

    var nativeSource = GLOBAL ? global_1 : STATIC ? global_1[TARGET] : (global_1[TARGET] || {}).prototype;

    var target = GLOBAL ? path : path[TARGET] || (path[TARGET] = {});
    var targetPrototype = target.prototype;

    var FORCED, USE_NATIVE, VIRTUAL_PROTOTYPE;
    var key, sourceProperty, targetProperty, nativeProperty, resultProperty, descriptor;

    for (key in source) {
      FORCED = isForced_1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
      // contains in native
      USE_NATIVE = !FORCED && nativeSource && has(nativeSource, key);

      targetProperty = target[key];

      if (USE_NATIVE) if (options.noTargetGet) {
        descriptor = getOwnPropertyDescriptor$1(nativeSource, key);
        nativeProperty = descriptor && descriptor.value;
      } else nativeProperty = nativeSource[key];

      // export native or implementation
      sourceProperty = (USE_NATIVE && nativeProperty) ? nativeProperty : source[key];

      if (USE_NATIVE && typeof targetProperty === typeof sourceProperty) continue;

      // bind timers to global for call from export context
      if (options.bind && USE_NATIVE) resultProperty = bindContext(sourceProperty, global_1);
      // wrap global constructors for prevent changs in this version
      else if (options.wrap && USE_NATIVE) resultProperty = wrapConstructor(sourceProperty);
      // make static versions for prototype methods
      else if (PROTO && typeof sourceProperty == 'function') resultProperty = bindContext(Function.call, sourceProperty);
      // default case
      else resultProperty = sourceProperty;

      // add a flag to not completely full polyfills
      if (options.sham || (sourceProperty && sourceProperty.sham) || (targetProperty && targetProperty.sham)) {
        hide(resultProperty, 'sham', true);
      }

      target[key] = resultProperty;

      if (PROTO) {
        VIRTUAL_PROTOTYPE = TARGET + 'Prototype';
        if (!has(path, VIRTUAL_PROTOTYPE)) hide(path, VIRTUAL_PROTOTYPE, {});
        // export virtual prototype methods
        path[VIRTUAL_PROTOTYPE][key] = sourceProperty;
        // export real prototype methods
        if (options.real && targetPrototype && !targetPrototype[key]) hide(targetPrototype, key, sourceProperty);
      }
    }
  };

  // `ToObject` abstract operation
  // https://tc39.github.io/ecma262/#sec-toobject
  var toObject = function (argument) {
    return Object(requireObjectCoercible(argument));
  };

  var correctPrototypeGetter = !fails(function () {
    function F() { /* empty */ }
    F.prototype.constructor = null;
    return Object.getPrototypeOf(new F()) !== F.prototype;
  });

  var IE_PROTO = sharedKey('IE_PROTO');
  var ObjectPrototype = Object.prototype;

  // `Object.getPrototypeOf` method
  // https://tc39.github.io/ecma262/#sec-object.getprototypeof
  var objectGetPrototypeOf = correctPrototypeGetter ? Object.getPrototypeOf : function (O) {
    O = toObject(O);
    if (has(O, IE_PROTO)) return O[IE_PROTO];
    if (typeof O.constructor == 'function' && O instanceof O.constructor) {
      return O.constructor.prototype;
    } return O instanceof Object ? ObjectPrototype : null;
  };

  var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(function () {
    // Chrome 38 Symbol has incorrect toString conversion
    // eslint-disable-next-line no-undef
    return !String(Symbol());
  });

  var Symbol$1 = global_1.Symbol;
  var store$1 = shared('wks');

  var wellKnownSymbol = function (name) {
    return store$1[name] || (store$1[name] = nativeSymbol && Symbol$1[name]
      || (nativeSymbol ? Symbol$1 : uid)('Symbol.' + name));
  };

  var ITERATOR = wellKnownSymbol('iterator');
  var BUGGY_SAFARI_ITERATORS = false;

  // `%IteratorPrototype%` object
  // https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object
  var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;

  if ([].keys) {
    arrayIterator = [].keys();
    // Safari 8 has buggy iterators w/o `next`
    if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;
    else {
      PrototypeOfArrayIteratorPrototype = objectGetPrototypeOf(objectGetPrototypeOf(arrayIterator));
      if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
    }
  }

  if (IteratorPrototype == undefined) IteratorPrototype = {};

  var iteratorsCore = {
    IteratorPrototype: IteratorPrototype,
    BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
  };

  var ceil = Math.ceil;
  var floor = Math.floor;

  // `ToInteger` abstract operation
  // https://tc39.github.io/ecma262/#sec-tointeger
  var toInteger = function (argument) {
    return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
  };

  var min = Math.min;

  // `ToLength` abstract operation
  // https://tc39.github.io/ecma262/#sec-tolength
  var toLength = function (argument) {
    return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
  };

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

  // Helper for a popular repeating case of the spec:
  // Let integer be ? ToInteger(index).
  // If integer < 0, let result be max((length + integer), 0); else let result be min(length, length).
  var toAbsoluteIndex = function (index, length) {
    var integer = toInteger(index);
    return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
  };

  // `Array.prototype.{ indexOf, includes }` methods implementation
  var createMethod = function (IS_INCLUDES) {
    return function ($this, el, fromIndex) {
      var O = toIndexedObject($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) && O[index] === el) return IS_INCLUDES || index || 0;
      } return !IS_INCLUDES && -1;
    };
  };

  var arrayIncludes = {
    // `Array.prototype.includes` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.includes
    includes: createMethod(true),
    // `Array.prototype.indexOf` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.indexof
    indexOf: createMethod(false)
  };

  var indexOf = arrayIncludes.indexOf;


  var objectKeysInternal = function (object, names) {
    var O = toIndexedObject(object);
    var i = 0;
    var result = [];
    var key;
    for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
    // Don't enum bug & hidden keys
    while (names.length > i) if (has(O, key = names[i++])) {
      ~indexOf(result, key) || result.push(key);
    }
    return result;
  };

  // IE8- don't enum bug keys
  var enumBugKeys = [
    'constructor',
    'hasOwnProperty',
    'isPrototypeOf',
    'propertyIsEnumerable',
    'toLocaleString',
    'toString',
    'valueOf'
  ];

  // `Object.keys` method
  // https://tc39.github.io/ecma262/#sec-object.keys
  var objectKeys = Object.keys || function keys(O) {
    return objectKeysInternal(O, enumBugKeys);
  };

  // `Object.defineProperties` method
  // https://tc39.github.io/ecma262/#sec-object.defineproperties
  var objectDefineProperties = descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
    anObject(O);
    var keys = objectKeys(Properties);
    var length = keys.length;
    var index = 0;
    var key;
    while (length > index) objectDefineProperty.f(O, key = keys[index++], Properties[key]);
    return O;
  };

  var aFunction$1 = function (variable) {
    return typeof variable == 'function' ? variable : undefined;
  };

  var getBuiltIn = function (namespace, method) {
    return arguments.length < 2 ? aFunction$1(path[namespace]) || aFunction$1(global_1[namespace])
      : path[namespace] && path[namespace][method] || global_1[namespace] && global_1[namespace][method];
  };

  var html = getBuiltIn('document', 'documentElement');

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

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

  // Create object with fake `null` prototype: use iframe Object with cleared prototype
  var createDict = function () {
    // Thrash, waste and sodomy: IE GC bug
    var iframe = documentCreateElement('iframe');
    var length = enumBugKeys.length;
    var lt = '<';
    var script = 'script';
    var gt = '>';
    var js = 'java' + script + ':';
    var iframeDocument;
    iframe.style.display = 'none';
    html.appendChild(iframe);
    iframe.src = String(js);
    iframeDocument = iframe.contentWindow.document;
    iframeDocument.open();
    iframeDocument.write(lt + script + gt + 'document.F=Object' + lt + '/' + script + gt);
    iframeDocument.close();
    createDict = iframeDocument.F;
    while (length--) delete createDict[PROTOTYPE][enumBugKeys[length]];
    return createDict();
  };

  // `Object.create` method
  // https://tc39.github.io/ecma262/#sec-object.create
  var objectCreate = Object.create || function create(O, Properties) {
    var result;
    if (O !== null) {
      Empty[PROTOTYPE] = anObject(O);
      result = new Empty();
      Empty[PROTOTYPE] = null;
      // add "__proto__" for Object.getPrototypeOf polyfill
      result[IE_PROTO$1] = O;
    } else result = createDict();
    return Properties === undefined ? result : objectDefineProperties(result, Properties);
  };

  hiddenKeys[IE_PROTO$1] = true;

  var TO_STRING_TAG = wellKnownSymbol('toStringTag');
  // ES3 wrong here
  var CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';

  // fallback for IE11 Script Access Denied error
  var tryGet = function (it, key) {
    try {
      return it[key];
    } catch (error) { /* empty */ }
  };

  // getting tag from ES6+ `Object.prototype.toString`
  var classof = function (it) {
    var O, tag, result;
    return it === undefined ? 'Undefined' : it === null ? 'Null'
      // @@toStringTag case
      : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag
      // builtinTag case
      : CORRECT_ARGUMENTS ? classofRaw(O)
      // ES3 arguments fallback
      : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
  };

  var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
  var test = {};

  test[TO_STRING_TAG$1] = 'z';

  // `Object.prototype.toString` method implementation
  // https://tc39.github.io/ecma262/#sec-object.prototype.tostring
  var objectToString = String(test) !== '[object z]' ? function toString() {
    return '[object ' + classof(this) + ']';
  } : test.toString;

  var defineProperty = objectDefineProperty.f;





  var TO_STRING_TAG$2 = wellKnownSymbol('toStringTag');
  var METHOD_REQUIRED = objectToString !== ({}).toString;

  var setToStringTag = function (it, TAG, STATIC, SET_METHOD) {
    if (it) {
      var target = STATIC ? it : it.prototype;
      if (!has(target, TO_STRING_TAG$2)) {
        defineProperty(target, TO_STRING_TAG$2, { configurable: true, value: TAG });
      }
      if (SET_METHOD && METHOD_REQUIRED) hide(target, 'toString', objectToString);
    }
  };

  var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;





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

  var createIteratorConstructor = function (IteratorConstructor, NAME, next) {
    var TO_STRING_TAG = NAME + ' Iterator';
    IteratorConstructor.prototype = objectCreate(IteratorPrototype$1, { next: createPropertyDescriptor(1, next) });
    setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
    iterators[TO_STRING_TAG] = returnThis;
    return IteratorConstructor;
  };

  var aPossiblePrototype = function (it) {
    if (!isObject(it) && it !== null) {
      throw TypeError("Can't set " + String(it) + ' as a prototype');
    } return it;
  };

  // `Object.setPrototypeOf` method
  // https://tc39.github.io/ecma262/#sec-object.setprototypeof
  // Works with __proto__ only. Old v8 can't work with null proto objects.
  /* eslint-disable no-proto */
  var objectSetPrototypeOf = Object.setPrototypeOf || ('__proto__' in {} ? function () {
    var CORRECT_SETTER = false;
    var test = {};
    var setter;
    try {
      setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
      setter.call(test, []);
      CORRECT_SETTER = test instanceof Array;
    } catch (error) { /* empty */ }
    return function setPrototypeOf(O, proto) {
      anObject(O);
      aPossiblePrototype(proto);
      if (CORRECT_SETTER) setter.call(O, proto);
      else O.__proto__ = proto;
      return O;
    };
  }() : undefined);

  var redefine = function (target, key, value, options) {
    if (options && options.enumerable) target[key] = value;
    else hide(target, key, value);
  };

  var IteratorPrototype$2 = iteratorsCore.IteratorPrototype;
  var BUGGY_SAFARI_ITERATORS$1 = iteratorsCore.BUGGY_SAFARI_ITERATORS;
  var ITERATOR$1 = wellKnownSymbol('iterator');
  var KEYS = 'keys';
  var VALUES = 'values';
  var ENTRIES = 'entries';

  var returnThis$1 = function () { return this; };

  var defineIterator = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
    createIteratorConstructor(IteratorConstructor, NAME, next);

    var getIterationMethod = function (KIND) {
      if (KIND === DEFAULT && defaultIterator) return defaultIterator;
      if (!BUGGY_SAFARI_ITERATORS$1 && KIND in IterablePrototype) return IterablePrototype[KIND];
      switch (KIND) {
        case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };
        case VALUES: return function values() { return new IteratorConstructor(this, KIND); };
        case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };
      } return function () { return new IteratorConstructor(this); };
    };

    var TO_STRING_TAG = NAME + ' Iterator';
    var INCORRECT_VALUES_NAME = false;
    var IterablePrototype = Iterable.prototype;
    var nativeIterator = IterablePrototype[ITERATOR$1]
      || IterablePrototype['@@iterator']
      || DEFAULT && IterablePrototype[DEFAULT];
    var defaultIterator = !BUGGY_SAFARI_ITERATORS$1 && nativeIterator || getIterationMethod(DEFAULT);
    var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
    var CurrentIteratorPrototype, methods, KEY;

    // fix native
    if (anyNativeIterator) {
      CurrentIteratorPrototype = objectGetPrototypeOf(anyNativeIterator.call(new Iterable()));
      if (IteratorPrototype$2 !== Object.prototype && CurrentIteratorPrototype.next) {
        // Set @@toStringTag to native iterators
        setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
        iterators[TO_STRING_TAG] = returnThis$1;
      }
    }

    // fix Array#{values, @@iterator}.name in V8 / FF
    if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
      INCORRECT_VALUES_NAME = true;
      defaultIterator = function values() { return nativeIterator.call(this); };
    }

    // define iterator
    if (( FORCED) && IterablePrototype[ITERATOR$1] !== defaultIterator) {
      hide(IterablePrototype, ITERATOR$1, defaultIterator);
    }
    iterators[NAME] = defaultIterator;

    // export additional methods
    if (DEFAULT) {
      methods = {
        values: getIterationMethod(VALUES),
        keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
        entries: getIterationMethod(ENTRIES)
      };
      if (FORCED) for (KEY in methods) {
        if (BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
          redefine(IterablePrototype, KEY, methods[KEY]);
        }
      } else _export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME }, methods);
    }

    return methods;
  };

  var ARRAY_ITERATOR = 'Array Iterator';
  var setInternalState = internalState.set;
  var getInternalState = internalState.getterFor(ARRAY_ITERATOR);

  // `Array.prototype.entries` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.entries
  // `Array.prototype.keys` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.keys
  // `Array.prototype.values` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.values
  // `Array.prototype[@@iterator]` method
  // https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
  // `CreateArrayIterator` internal method
  // https://tc39.github.io/ecma262/#sec-createarrayiterator
  var es_array_iterator = defineIterator(Array, 'Array', function (iterated, kind) {
    setInternalState(this, {
      type: ARRAY_ITERATOR,
      target: toIndexedObject(iterated), // target
      index: 0,                          // next index
      kind: kind                         // kind
    });
  // `%ArrayIteratorPrototype%.next` method
  // https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next
  }, function () {
    var state = getInternalState(this);
    var target = state.target;
    var kind = state.kind;
    var index = state.index++;
    if (!target || index >= target.length) {
      state.target = undefined;
      return { value: undefined, done: true };
    }
    if (kind == 'keys') return { value: index, done: false };
    if (kind == 'values') return { value: target[index], done: false };
    return { value: [index, target[index]], done: false };
  }, 'values');

  // argumentsList[@@iterator] is %ArrayProto_values%
  // https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject
  // https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
  iterators.Arguments = iterators.Array;

  // iterable DOM collections
  // flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods
  var domIterables = {
    CSSRuleList: 0,
    CSSStyleDeclaration: 0,
    CSSValueList: 0,
    ClientRectList: 0,
    DOMRectList: 0,
    DOMStringList: 0,
    DOMTokenList: 1,
    DataTransferItemList: 0,
    FileList: 0,
    HTMLAllCollection: 0,
    HTMLCollection: 0,
    HTMLFormElement: 0,
    HTMLSelectElement: 0,
    MediaList: 0,
    MimeTypeArray: 0,
    NamedNodeMap: 0,
    NodeList: 1,
    PaintRequestList: 0,
    Plugin: 0,
    PluginArray: 0,
    SVGLengthList: 0,
    SVGNumberList: 0,
    SVGPathSegList: 0,
    SVGPointList: 0,
    SVGStringList: 0,
    SVGTransformList: 0,
    SourceBufferList: 0,
    StyleSheetList: 0,
    TextTrackCueList: 0,
    TextTrackList: 0,
    TouchList: 0
  };

  var TO_STRING_TAG$3 = wellKnownSymbol('toStringTag');

  for (var COLLECTION_NAME in domIterables) {
    var Collection = global_1[COLLECTION_NAME];
    var CollectionPrototype = Collection && Collection.prototype;
    if (CollectionPrototype && !CollectionPrototype[TO_STRING_TAG$3]) {
      hide(CollectionPrototype, TO_STRING_TAG$3, COLLECTION_NAME);
    }
    iterators[COLLECTION_NAME] = iterators.Array;
  }

  // `String.prototype.{ codePointAt, at }` methods implementation
  var createMethod$1 = function (CONVERT_TO_STRING) {
    return function ($this, pos) {
      var S = String(requireObjectCoercible($this));
      var position = toInteger(pos);
      var size = S.length;
      var first, second;
      if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
      first = S.charCodeAt(position);
      return first < 0xD800 || first > 0xDBFF || position + 1 === size
        || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF
          ? CONVERT_TO_STRING ? S.charAt(position) : first
          : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
    };
  };

  var stringMultibyte = {
    // `String.prototype.codePointAt` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
    codeAt: createMethod$1(false),
    // `String.prototype.at` method
    // https://github.com/mathiasbynens/String.prototype.at
    charAt: createMethod$1(true)
  };

  var charAt = stringMultibyte.charAt;



  var STRING_ITERATOR = 'String Iterator';
  var setInternalState$1 = internalState.set;
  var getInternalState$1 = internalState.getterFor(STRING_ITERATOR);

  // `String.prototype[@@iterator]` method
  // https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
  defineIterator(String, 'String', function (iterated) {
    setInternalState$1(this, {
      type: STRING_ITERATOR,
      string: String(iterated),
      index: 0
    });
  // `%StringIteratorPrototype%.next` method
  // https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next
  }, function next() {
    var state = getInternalState$1(this);
    var string = state.string;
    var index = state.index;
    var point;
    if (index >= string.length) return { value: undefined, done: true };
    point = charAt(string, index);
    state.index += point.length;
    return { value: point, done: false };
  });

  var ITERATOR$2 = wellKnownSymbol('iterator');

  var getIteratorMethod = function (it) {
    if (it != undefined) return it[ITERATOR$2]
      || it['@@iterator']
      || iterators[classof(it)];
  };

  var getIterator = function (it) {
    var iteratorMethod = getIteratorMethod(it);
    if (typeof iteratorMethod != 'function') {
      throw TypeError(String(it) + ' is not iterable');
    } return anObject(iteratorMethod.call(it));
  };

  var getIterator$1 = getIterator;

  var getIterator$2 = getIterator$1;

  /**
   * TypeScript support writing JavaScript too.
   * https://www.typescriptlang.org/docs/handbook/migrating-from-javascript.html
   */
  var greeter = function greeter(message) {
    return "Howdy, ".concat(message);
  };

  // `IsArray` abstract operation
  // https://tc39.github.io/ecma262/#sec-isarray
  var isArray = Array.isArray || function isArray(arg) {
    return classofRaw(arg) == 'Array';
  };

  var createProperty = function (object, key, value) {
    var propertyKey = toPrimitive(key);
    if (propertyKey in object) objectDefineProperty.f(object, propertyKey, createPropertyDescriptor(0, value));
    else object[propertyKey] = value;
  };

  var SPECIES = wellKnownSymbol('species');

  // `ArraySpeciesCreate` abstract operation
  // https://tc39.github.io/ecma262/#sec-arrayspeciescreate
  var arraySpeciesCreate = function (originalArray, length) {
    var C;
    if (isArray(originalArray)) {
      C = originalArray.constructor;
      // cross-realm fallback
      if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
      else if (isObject(C)) {
        C = C[SPECIES];
        if (C === null) C = undefined;
      }
    } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
  };

  var SPECIES$1 = wellKnownSymbol('species');

  var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
    return !fails(function () {
      var array = [];
      var constructor = array.constructor = {};
      constructor[SPECIES$1] = function () {
        return { foo: 1 };
      };
      return array[METHOD_NAME](Boolean).foo !== 1;
    });
  };

  var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
  var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
  var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';

  var IS_CONCAT_SPREADABLE_SUPPORT = !fails(function () {
    var array = [];
    array[IS_CONCAT_SPREADABLE] = false;
    return array.concat()[0] !== array;
  });

  var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');

  var isConcatSpreadable = function (O) {
    if (!isObject(O)) return false;
    var spreadable = O[IS_CONCAT_SPREADABLE];
    return spreadable !== undefined ? !!spreadable : isArray(O);
  };

  var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;

  // `Array.prototype.concat` method
  // https://tc39.github.io/ecma262/#sec-array.prototype.concat
  // with adding support of @@isConcatSpreadable and @@species
  _export({ target: 'Array', proto: true, forced: FORCED }, {
    concat: function concat(arg) { // eslint-disable-line no-unused-vars
      var O = toObject(this);
      var A = arraySpeciesCreate(O, 0);
      var n = 0;
      var i, k, length, len, E;
      for (i = -1, length = arguments.length; i < length; i++) {
        E = i === -1 ? O : arguments[i];
        if (isConcatSpreadable(E)) {
          len = toLength(E.length);
          if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
          for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
        } else {
          if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
          createProperty(A, n++, E);
        }
      }
      A.length = n;
      return A;
    }
  });

  var entryVirtual = function (CONSTRUCTOR) {
    return path[CONSTRUCTOR + 'Prototype'];
  };

  var concat = entryVirtual('Array').concat;

  var ArrayPrototype = Array.prototype;

  var concat_1 = function (it) {
    var own = it.concat;
    return it === ArrayPrototype || (it instanceof Array && own === ArrayPrototype.concat) ? concat : own;
  };

  var concat$1 = concat_1;

  var concat$2 = concat$1;

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

  var classCallCheck = _classCallCheck;

  // `Object.defineProperty` method
  // https://tc39.github.io/ecma262/#sec-object.defineproperty
  _export({ target: 'Object', stat: true, forced: !descriptors, sham: !descriptors }, {
    defineProperty: objectDefineProperty.f
  });

  var defineProperty_1 = createCommonjsModule(function (module) {
  var Object = path.Object;

  var defineProperty = module.exports = function defineProperty(it, key, desc) {
    return Object.defineProperty(it, key, desc);
  };

  if (Object.defineProperty.sham) defineProperty.sham = true;
  });

  var defineProperty$1 = defineProperty_1;

  var defineProperty$2 = defineProperty$1;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;

      defineProperty$2(target, descriptor.key, descriptor);
    }
  }

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

  var createClass = _createClass;

  // Private constant, only included from Person class.
  var introductions = {
    fr: 'Bonsoir, mon nom est',
    pt: 'Oi gente, meu nome é',
    en: 'Hello, my name is'
  };
  var Person =
  /*#__PURE__*/
  function () {
    function Person() {
      var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'John Doe';
      var lang = arguments.length > 1 ? arguments[1] : undefined;

      classCallCheck(this, Person);

      this.name = name;
      this.lang = lang;

      if (lang) {
        this.lang = lang;
      }
    }

    createClass(Person, [{
      key: "toString",
      value: function toString() {
        var _context;

        var name = this.name;
        var text = this.lang ? introductions[this.lang] : introductions.en;
        return concat$2(_context = "".concat(text, " ")).call(_context, name);
      }
    }]);

    return Person;
  }();

  var index = (function (people) {
    var out = [];
    var _iteratorNormalCompletion = true;
    var _didIteratorError = false;
    var _iteratorError = undefined;

    try {
      for (var _iterator = getIterator$2(people), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
        var someone = _step.value;

        var _ref = someone || {},
            _ref$name = _ref.name,
            name = _ref$name === void 0 ? 'John Doe' : _ref$name;

        var p = new Person(name); // for (const [k, v] of Object.entries(rest)) {
        //   p[k] = v
        // }

        out.push(p);
      }
    } catch (err) {
      _didIteratorError = true;
      _iteratorError = err;
    } finally {
      try {
        if (!_iteratorNormalCompletion && _iterator["return"] != null) {
          _iterator["return"]();
        }
      } finally {
        if (_didIteratorError) {
          throw _iteratorError;
        }
      }
    }

    return out;
  });

  exports.Person = Person;
  exports.default = index;
  exports.greeter = greeter;

  return exports;

}({}));