@holema/datepicker/dist/duDatepicker.js

Date picker plugin for input fields.

/*!Don't remove this!
 * duDatePicker v2.0 plugin (Vanilla JS)
 * https://github.com/dmuy/duDatepicker
 *
 * Author: Dionlee Uy
 * Email: dionleeuy@gmail.com
 */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.duDatepicker = factory());
}(this, (function () { 'use strict';

  function _typeof(obj) {
    "@babel/helpers - typeof";

    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
      _typeof = function (obj) {
        return typeof obj;
      };
    } else {
      _typeof = function (obj) {
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
      };
    }

    return _typeof(obj);
  }

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

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

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

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
  }

  function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) return _arrayLikeToArray(arr);
  }

  function _iterableToArray(iter) {
    if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
  }

  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(o);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }

  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;

    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

    return arr2;
  }

  function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }

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

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

  // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
  var global$d =
    // eslint-disable-next-line es/no-global-this -- safe
    check(typeof globalThis == 'object' && globalThis) ||
    check(typeof window == 'object' && window) ||
    // eslint-disable-next-line no-restricted-globals -- safe
    check(typeof self == 'object' && self) ||
    check(typeof commonjsGlobal == 'object' && commonjsGlobal) ||
    // eslint-disable-next-line no-new-func -- fallback
    (function () { return this; })() || Function('return this')();

  var objectGetOwnPropertyDescriptor = {};

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

  var fails$g = fails$h;

  // Detect IE8's incomplete defineProperty implementation
  var descriptors = !fails$g(function () {
    // eslint-disable-next-line es/no-object-defineproperty -- required for testing
    return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
  });

  var objectPropertyIsEnumerable = {};

  var $propertyIsEnumerable = {}.propertyIsEnumerable;
  // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
  var getOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor;

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

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

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

  var toString$1 = {}.toString;

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

  var fails$f = fails$h;
  var classof$6 = classofRaw$1;

  var split = ''.split;

  // fallback for non-array-like ES3 and non-enumerable old V8 strings
  var indexedObject = fails$f(function () {
    // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
    // eslint-disable-next-line no-prototype-builtins -- safe
    return !Object('z').propertyIsEnumerable(0);
  }) ? function (it) {
    return classof$6(it) == 'String' ? split.call(it, '') : Object(it);
  } : Object;

  // `RequireObjectCoercible` abstract operation
  // https://tc39.es/ecma262/#sec-requireobjectcoercible
  var requireObjectCoercible$6 = 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 IndexedObject$2 = indexedObject;
  var requireObjectCoercible$5 = requireObjectCoercible$6;

  var toIndexedObject$5 = function (it) {
    return IndexedObject$2(requireObjectCoercible$5(it));
  };

  var isObject$8 = function (it) {
    return typeof it === 'object' ? it !== null : typeof it === 'function';
  };

  var isObject$7 = isObject$8;

  // `ToPrimitive` abstract operation
  // https://tc39.es/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$3 = function (input, PREFERRED_STRING) {
    if (!isObject$7(input)) return input;
    var fn, val;
    if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject$7(val = fn.call(input))) return val;
    if (typeof (fn = input.valueOf) == 'function' && !isObject$7(val = fn.call(input))) return val;
    if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject$7(val = fn.call(input))) return val;
    throw TypeError("Can't convert object to primitive value");
  };

  var requireObjectCoercible$4 = requireObjectCoercible$6;

  // `ToObject` abstract operation
  // https://tc39.es/ecma262/#sec-toobject
  var toObject$6 = function (argument) {
    return Object(requireObjectCoercible$4(argument));
  };

  var toObject$5 = toObject$6;

  var hasOwnProperty = {}.hasOwnProperty;

  var has$9 = Object.hasOwn || function hasOwn(it, key) {
    return hasOwnProperty.call(toObject$5(it), key);
  };

  var global$c = global$d;
  var isObject$6 = isObject$8;

  var document$1 = global$c.document;
  // typeof document.createElement is 'object' in old IE
  var EXISTS = isObject$6(document$1) && isObject$6(document$1.createElement);

  var documentCreateElement$1 = function (it) {
    return EXISTS ? document$1.createElement(it) : {};
  };

  var DESCRIPTORS$4 = descriptors;
  var fails$e = fails$h;
  var createElement = documentCreateElement$1;

  // Thank's IE8 for his funny defineProperty
  var ie8DomDefine = !DESCRIPTORS$4 && !fails$e(function () {
    // eslint-disable-next-line es/no-object-defineproperty -- requied for testing
    return Object.defineProperty(createElement('div'), 'a', {
      get: function () { return 7; }
    }).a != 7;
  });

  var DESCRIPTORS$3 = descriptors;
  var propertyIsEnumerableModule = objectPropertyIsEnumerable;
  var createPropertyDescriptor$3 = createPropertyDescriptor$4;
  var toIndexedObject$4 = toIndexedObject$5;
  var toPrimitive$2 = toPrimitive$3;
  var has$8 = has$9;
  var IE8_DOM_DEFINE$1 = ie8DomDefine;

  // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
  var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

  // `Object.getOwnPropertyDescriptor` method
  // https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
  objectGetOwnPropertyDescriptor.f = DESCRIPTORS$3 ? $getOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
    O = toIndexedObject$4(O);
    P = toPrimitive$2(P, true);
    if (IE8_DOM_DEFINE$1) try {
      return $getOwnPropertyDescriptor(O, P);
    } catch (error) { /* empty */ }
    if (has$8(O, P)) return createPropertyDescriptor$3(!propertyIsEnumerableModule.f.call(O, P), O[P]);
  };

  var objectDefineProperty = {};

  var isObject$5 = isObject$8;

  var anObject$d = function (it) {
    if (!isObject$5(it)) {
      throw TypeError(String(it) + ' is not an object');
    } return it;
  };

  var DESCRIPTORS$2 = descriptors;
  var IE8_DOM_DEFINE = ie8DomDefine;
  var anObject$c = anObject$d;
  var toPrimitive$1 = toPrimitive$3;

  // eslint-disable-next-line es/no-object-defineproperty -- safe
  var $defineProperty = Object.defineProperty;

  // `Object.defineProperty` method
  // https://tc39.es/ecma262/#sec-object.defineproperty
  objectDefineProperty.f = DESCRIPTORS$2 ? $defineProperty : function defineProperty(O, P, Attributes) {
    anObject$c(O);
    P = toPrimitive$1(P, true);
    anObject$c(Attributes);
    if (IE8_DOM_DEFINE) try {
      return $defineProperty(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 DESCRIPTORS$1 = descriptors;
  var definePropertyModule$4 = objectDefineProperty;
  var createPropertyDescriptor$2 = createPropertyDescriptor$4;

  var createNonEnumerableProperty$8 = DESCRIPTORS$1 ? function (object, key, value) {
    return definePropertyModule$4.f(object, key, createPropertyDescriptor$2(1, value));
  } : function (object, key, value) {
    object[key] = value;
    return object;
  };

  var redefine$5 = {exports: {}};

  var global$b = global$d;
  var createNonEnumerableProperty$7 = createNonEnumerableProperty$8;

  var setGlobal$3 = function (key, value) {
    try {
      createNonEnumerableProperty$7(global$b, key, value);
    } catch (error) {
      global$b[key] = value;
    } return value;
  };

  var global$a = global$d;
  var setGlobal$2 = setGlobal$3;

  var SHARED = '__core-js_shared__';
  var store$3 = global$a[SHARED] || setGlobal$2(SHARED, {});

  var sharedStore = store$3;

  var store$2 = sharedStore;

  var functionToString = Function.toString;

  // this helper broken in `core-js@3.4.1-3.4.4`, so we can't use `shared` helper
  if (typeof store$2.inspectSource != 'function') {
    store$2.inspectSource = function (it) {
      return functionToString.call(it);
    };
  }

  var inspectSource$2 = store$2.inspectSource;

  var global$9 = global$d;
  var inspectSource$1 = inspectSource$2;

  var WeakMap$1 = global$9.WeakMap;

  var nativeWeakMap = typeof WeakMap$1 === 'function' && /native code/.test(inspectSource$1(WeakMap$1));

  var shared$4 = {exports: {}};

  var store$1 = sharedStore;

  (shared$4.exports = function (key, value) {
    return store$1[key] || (store$1[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: '3.15.2',
    mode: 'global',
    copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
  });

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

  var uid$2 = function (key) {
    return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
  };

  var shared$3 = shared$4.exports;
  var uid$1 = uid$2;

  var keys = shared$3('keys');

  var sharedKey$3 = function (key) {
    return keys[key] || (keys[key] = uid$1(key));
  };

  var hiddenKeys$4 = {};

  var NATIVE_WEAK_MAP = nativeWeakMap;
  var global$8 = global$d;
  var isObject$4 = isObject$8;
  var createNonEnumerableProperty$6 = createNonEnumerableProperty$8;
  var objectHas = has$9;
  var shared$2 = sharedStore;
  var sharedKey$2 = sharedKey$3;
  var hiddenKeys$3 = hiddenKeys$4;

  var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
  var WeakMap = global$8.WeakMap;
  var set, get, has$7;

  var enforce = function (it) {
    return has$7(it) ? get(it) : set(it, {});
  };

  var getterFor = function (TYPE) {
    return function (it) {
      var state;
      if (!isObject$4(it) || (state = get(it)).type !== TYPE) {
        throw TypeError('Incompatible receiver, ' + TYPE + ' required');
      } return state;
    };
  };

  if (NATIVE_WEAK_MAP || shared$2.state) {
    var store = shared$2.state || (shared$2.state = new WeakMap());
    var wmget = store.get;
    var wmhas = store.has;
    var wmset = store.set;
    set = function (it, metadata) {
      if (wmhas.call(store, it)) throw new TypeError(OBJECT_ALREADY_INITIALIZED);
      metadata.facade = it;
      wmset.call(store, it, metadata);
      return metadata;
    };
    get = function (it) {
      return wmget.call(store, it) || {};
    };
    has$7 = function (it) {
      return wmhas.call(store, it);
    };
  } else {
    var STATE = sharedKey$2('state');
    hiddenKeys$3[STATE] = true;
    set = function (it, metadata) {
      if (objectHas(it, STATE)) throw new TypeError(OBJECT_ALREADY_INITIALIZED);
      metadata.facade = it;
      createNonEnumerableProperty$6(it, STATE, metadata);
      return metadata;
    };
    get = function (it) {
      return objectHas(it, STATE) ? it[STATE] : {};
    };
    has$7 = function (it) {
      return objectHas(it, STATE);
    };
  }

  var internalState = {
    set: set,
    get: get,
    has: has$7,
    enforce: enforce,
    getterFor: getterFor
  };

  var global$7 = global$d;
  var createNonEnumerableProperty$5 = createNonEnumerableProperty$8;
  var has$6 = has$9;
  var setGlobal$1 = setGlobal$3;
  var inspectSource = inspectSource$2;
  var InternalStateModule$1 = internalState;

  var getInternalState$2 = InternalStateModule$1.get;
  var enforceInternalState = InternalStateModule$1.enforce;
  var TEMPLATE = String(String).split('String');

  (redefine$5.exports = function (O, key, value, options) {
    var unsafe = options ? !!options.unsafe : false;
    var simple = options ? !!options.enumerable : false;
    var noTargetGet = options ? !!options.noTargetGet : false;
    var state;
    if (typeof value == 'function') {
      if (typeof key == 'string' && !has$6(value, 'name')) {
        createNonEnumerableProperty$5(value, 'name', key);
      }
      state = enforceInternalState(value);
      if (!state.source) {
        state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
      }
    }
    if (O === global$7) {
      if (simple) O[key] = value;
      else setGlobal$1(key, value);
      return;
    } else if (!unsafe) {
      delete O[key];
    } else if (!noTargetGet && O[key]) {
      simple = true;
    }
    if (simple) O[key] = value;
    else createNonEnumerableProperty$5(O, key, value);
  // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
  })(Function.prototype, 'toString', function toString() {
    return typeof this == 'function' && getInternalState$2(this).source || inspectSource(this);
  });

  var global$6 = global$d;

  var path$1 = global$6;

  var path = path$1;
  var global$5 = global$d;

  var aFunction$4 = function (variable) {
    return typeof variable == 'function' ? variable : undefined;
  };

  var getBuiltIn$3 = function (namespace, method) {
    return arguments.length < 2 ? aFunction$4(path[namespace]) || aFunction$4(global$5[namespace])
      : path[namespace] && path[namespace][method] || global$5[namespace] && global$5[namespace][method];
  };

  var objectGetOwnPropertyNames = {};

  var ceil = Math.ceil;
  var floor$2 = Math.floor;

  // `ToInteger` abstract operation
  // https://tc39.es/ecma262/#sec-tointeger
  var toInteger$4 = function (argument) {
    return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor$2 : ceil)(argument);
  };

  var toInteger$3 = toInteger$4;

  var min$3 = Math.min;

  // `ToLength` abstract operation
  // https://tc39.es/ecma262/#sec-tolength
  var toLength$8 = function (argument) {
    return argument > 0 ? min$3(toInteger$3(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
  };

  var toInteger$2 = toInteger$4;

  var max$2 = Math.max;
  var min$2 = 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(integer, length).
  var toAbsoluteIndex$2 = function (index, length) {
    var integer = toInteger$2(index);
    return integer < 0 ? max$2(integer + length, 0) : min$2(integer, length);
  };

  var toIndexedObject$3 = toIndexedObject$5;
  var toLength$7 = toLength$8;
  var toAbsoluteIndex$1 = toAbsoluteIndex$2;

  // `Array.prototype.{ indexOf, includes }` methods implementation
  var createMethod$2 = function (IS_INCLUDES) {
    return function ($this, el, fromIndex) {
      var O = toIndexedObject$3($this);
      var length = toLength$7(O.length);
      var index = toAbsoluteIndex$1(fromIndex, length);
      var value;
      // Array#includes uses SameValueZero equality algorithm
      // eslint-disable-next-line no-self-compare -- NaN check
      if (IS_INCLUDES && el != el) while (length > index) {
        value = O[index++];
        // eslint-disable-next-line no-self-compare -- NaN check
        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.es/ecma262/#sec-array.prototype.includes
    includes: createMethod$2(true),
    // `Array.prototype.indexOf` method
    // https://tc39.es/ecma262/#sec-array.prototype.indexof
    indexOf: createMethod$2(false)
  };

  var has$5 = has$9;
  var toIndexedObject$2 = toIndexedObject$5;
  var indexOf = arrayIncludes.indexOf;
  var hiddenKeys$2 = hiddenKeys$4;

  var objectKeysInternal = function (object, names) {
    var O = toIndexedObject$2(object);
    var i = 0;
    var result = [];
    var key;
    for (key in O) !has$5(hiddenKeys$2, key) && has$5(O, key) && result.push(key);
    // Don't enum bug & hidden keys
    while (names.length > i) if (has$5(O, key = names[i++])) {
      ~indexOf(result, key) || result.push(key);
    }
    return result;
  };

  // IE8- don't enum bug keys
  var enumBugKeys$3 = [
    'constructor',
    'hasOwnProperty',
    'isPrototypeOf',
    'propertyIsEnumerable',
    'toLocaleString',
    'toString',
    'valueOf'
  ];

  var internalObjectKeys$1 = objectKeysInternal;
  var enumBugKeys$2 = enumBugKeys$3;

  var hiddenKeys$1 = enumBugKeys$2.concat('length', 'prototype');

  // `Object.getOwnPropertyNames` method
  // https://tc39.es/ecma262/#sec-object.getownpropertynames
  // eslint-disable-next-line es/no-object-getownpropertynames -- safe
  objectGetOwnPropertyNames.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
    return internalObjectKeys$1(O, hiddenKeys$1);
  };

  var objectGetOwnPropertySymbols = {};

  // eslint-disable-next-line es/no-object-getownpropertysymbols -- safe
  objectGetOwnPropertySymbols.f = Object.getOwnPropertySymbols;

  var getBuiltIn$2 = getBuiltIn$3;
  var getOwnPropertyNamesModule = objectGetOwnPropertyNames;
  var getOwnPropertySymbolsModule = objectGetOwnPropertySymbols;
  var anObject$b = anObject$d;

  // all object keys, includes non-enumerable and symbols
  var ownKeys$1 = getBuiltIn$2('Reflect', 'ownKeys') || function ownKeys(it) {
    var keys = getOwnPropertyNamesModule.f(anObject$b(it));
    var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
    return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
  };

  var has$4 = has$9;
  var ownKeys = ownKeys$1;
  var getOwnPropertyDescriptorModule = objectGetOwnPropertyDescriptor;
  var definePropertyModule$3 = objectDefineProperty;

  var copyConstructorProperties$1 = function (target, source) {
    var keys = ownKeys(source);
    var defineProperty = definePropertyModule$3.f;
    var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      if (!has$4(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
    }
  };

  var fails$d = fails$h;

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

  var isForced$1 = function (feature, detection) {
    var value = data[normalize(feature)];
    return value == POLYFILL ? true
      : value == NATIVE ? false
      : typeof detection == 'function' ? fails$d(detection)
      : !!detection;
  };

  var normalize = isForced$1.normalize = function (string) {
    return String(string).replace(replacement, '.').toLowerCase();
  };

  var data = isForced$1.data = {};
  var NATIVE = isForced$1.NATIVE = 'N';
  var POLYFILL = isForced$1.POLYFILL = 'P';

  var isForced_1 = isForced$1;

  var global$4 = global$d;
  var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
  var createNonEnumerableProperty$4 = createNonEnumerableProperty$8;
  var redefine$4 = redefine$5.exports;
  var setGlobal = setGlobal$3;
  var copyConstructorProperties = copyConstructorProperties$1;
  var isForced = isForced_1;

  /*
    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 FORCED, target, key, targetProperty, sourceProperty, descriptor;
    if (GLOBAL) {
      target = global$4;
    } else if (STATIC) {
      target = global$4[TARGET] || setGlobal(TARGET, {});
    } else {
      target = (global$4[TARGET] || {}).prototype;
    }
    if (target) for (key in source) {
      sourceProperty = source[key];
      if (options.noTargetGet) {
        descriptor = getOwnPropertyDescriptor(target, key);
        targetProperty = descriptor && descriptor.value;
      } else targetProperty = target[key];
      FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
      // contained in target
      if (!FORCED && targetProperty !== undefined) {
        if (typeof sourceProperty === typeof targetProperty) continue;
        copyConstructorProperties(sourceProperty, targetProperty);
      }
      // add a flag to not completely full polyfills
      if (options.sham || (targetProperty && targetProperty.sham)) {
        createNonEnumerableProperty$4(sourceProperty, 'sham', true);
      }
      // extend global
      redefine$4(target, key, sourceProperty, options);
    }
  };

  var anObject$a = anObject$d;

  // `RegExp.prototype.flags` getter implementation
  // https://tc39.es/ecma262/#sec-get-regexp.prototype.flags
  var regexpFlags$1 = function () {
    var that = anObject$a(this);
    var result = '';
    if (that.global) result += 'g';
    if (that.ignoreCase) result += 'i';
    if (that.multiline) result += 'm';
    if (that.dotAll) result += 's';
    if (that.unicode) result += 'u';
    if (that.sticky) result += 'y';
    return result;
  };

  var regexpStickyHelpers = {};

  var fails$c = fails$h;

  // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
  var RE = function (s, f) {
    return RegExp(s, f);
  };

  regexpStickyHelpers.UNSUPPORTED_Y = fails$c(function () {
    var re = RE('a', 'y');
    re.lastIndex = 2;
    return re.exec('abcd') != null;
  });

  regexpStickyHelpers.BROKEN_CARET = fails$c(function () {
    // https://bugzilla.mozilla.org/show_bug.cgi?id=773687
    var re = RE('^r', 'gy');
    re.lastIndex = 2;
    return re.exec('str') != null;
  });

  var internalObjectKeys = objectKeysInternal;
  var enumBugKeys$1 = enumBugKeys$3;

  // `Object.keys` method
  // https://tc39.es/ecma262/#sec-object.keys
  // eslint-disable-next-line es/no-object-keys -- safe
  var objectKeys$1 = Object.keys || function keys(O) {
    return internalObjectKeys(O, enumBugKeys$1);
  };

  var DESCRIPTORS = descriptors;
  var definePropertyModule$2 = objectDefineProperty;
  var anObject$9 = anObject$d;
  var objectKeys = objectKeys$1;

  // `Object.defineProperties` method
  // https://tc39.es/ecma262/#sec-object.defineproperties
  // eslint-disable-next-line es/no-object-defineproperties -- safe
  var objectDefineProperties = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
    anObject$9(O);
    var keys = objectKeys(Properties);
    var length = keys.length;
    var index = 0;
    var key;
    while (length > index) definePropertyModule$2.f(O, key = keys[index++], Properties[key]);
    return O;
  };

  var getBuiltIn$1 = getBuiltIn$3;

  var html$1 = getBuiltIn$1('document', 'documentElement');

  var anObject$8 = anObject$d;
  var defineProperties = objectDefineProperties;
  var enumBugKeys = enumBugKeys$3;
  var hiddenKeys = hiddenKeys$4;
  var html = html$1;
  var documentCreateElement = documentCreateElement$1;
  var sharedKey$1 = sharedKey$3;

  var GT = '>';
  var LT = '<';
  var PROTOTYPE = 'prototype';
  var SCRIPT = 'script';
  var IE_PROTO$1 = sharedKey$1('IE_PROTO');

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

  var scriptTag = function (content) {
    return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
  };

  // Create object with fake `null` prototype: use ActiveX Object with cleared prototype
  var NullProtoObjectViaActiveX = function (activeXDocument) {
    activeXDocument.write(scriptTag(''));
    activeXDocument.close();
    var temp = activeXDocument.parentWindow.Object;
    activeXDocument = null; // avoid memory leak
    return temp;
  };

  // Create object with fake `null` prototype: use iframe Object with cleared prototype
  var NullProtoObjectViaIFrame = function () {
    // Thrash, waste and sodomy: IE GC bug
    var iframe = documentCreateElement('iframe');
    var JS = 'java' + SCRIPT + ':';
    var iframeDocument;
    iframe.style.display = 'none';
    html.appendChild(iframe);
    // https://github.com/zloirock/core-js/issues/475
    iframe.src = String(JS);
    iframeDocument = iframe.contentWindow.document;
    iframeDocument.open();
    iframeDocument.write(scriptTag('document.F=Object'));
    iframeDocument.close();
    return iframeDocument.F;
  };

  // Check for document.domain and active x support
  // No need to use active x approach when document.domain is not set
  // see https://github.com/es-shims/es5-shim/issues/150
  // variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
  // avoid IE GC bug
  var activeXDocument;
  var NullProtoObject = function () {
    try {
      /* global ActiveXObject -- old IE */
      activeXDocument = document.domain && new ActiveXObject('htmlfile');
    } catch (error) { /* ignore */ }
    NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
    var length = enumBugKeys.length;
    while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
    return NullProtoObject();
  };

  hiddenKeys[IE_PROTO$1] = true;

  // `Object.create` method
  // https://tc39.es/ecma262/#sec-object.create
  var objectCreate = Object.create || function create(O, Properties) {
    var result;
    if (O !== null) {
      EmptyConstructor[PROTOTYPE] = anObject$8(O);
      result = new EmptyConstructor();
      EmptyConstructor[PROTOTYPE] = null;
      // add "__proto__" for Object.getPrototypeOf polyfill
      result[IE_PROTO$1] = O;
    } else result = NullProtoObject();
    return Properties === undefined ? result : defineProperties(result, Properties);
  };

  var fails$b = fails$h;

  var regexpUnsupportedDotAll = fails$b(function () {
    // babel-minify transpiles RegExp('.', 's') -> /./s and it causes SyntaxError
    var re = RegExp('.', (typeof '').charAt(0));
    return !(re.dotAll && re.exec('\n') && re.flags === 's');
  });

  var fails$a = fails$h;

  var regexpUnsupportedNcg = fails$a(function () {
    // babel-minify transpiles RegExp('.', 'g') -> /./g and it causes SyntaxError
    var re = RegExp('(?<a>b)', (typeof '').charAt(5));
    return re.exec('b').groups.a !== 'b' ||
      'b'.replace(re, '$<a>c') !== 'bc';
  });

  /* eslint-disable regexp/no-assertion-capturing-group, regexp/no-empty-group, regexp/no-lazy-ends -- testing */
  /* eslint-disable regexp/no-useless-quantifier -- testing */
  var regexpFlags = regexpFlags$1;
  var stickyHelpers$1 = regexpStickyHelpers;
  var shared$1 = shared$4.exports;
  var create$2 = objectCreate;
  var getInternalState$1 = internalState.get;
  var UNSUPPORTED_DOT_ALL = regexpUnsupportedDotAll;
  var UNSUPPORTED_NCG = regexpUnsupportedNcg;

  var nativeExec = RegExp.prototype.exec;
  var nativeReplace = shared$1('native-string-replace', String.prototype.replace);

  var patchedExec = nativeExec;

  var UPDATES_LAST_INDEX_WRONG = (function () {
    var re1 = /a/;
    var re2 = /b*/g;
    nativeExec.call(re1, 'a');
    nativeExec.call(re2, 'a');
    return re1.lastIndex !== 0 || re2.lastIndex !== 0;
  })();

  var UNSUPPORTED_Y$1 = stickyHelpers$1.UNSUPPORTED_Y || stickyHelpers$1.BROKEN_CARET;

  // nonparticipating capturing group, copied from es5-shim's String#split patch.
  var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;

  var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED || UNSUPPORTED_Y$1 || UNSUPPORTED_DOT_ALL || UNSUPPORTED_NCG;

  if (PATCH) {
    // eslint-disable-next-line max-statements -- TODO
    patchedExec = function exec(str) {
      var re = this;
      var state = getInternalState$1(re);
      var raw = state.raw;
      var result, reCopy, lastIndex, match, i, object, group;

      if (raw) {
        raw.lastIndex = re.lastIndex;
        result = patchedExec.call(raw, str);
        re.lastIndex = raw.lastIndex;
        return result;
      }

      var groups = state.groups;
      var sticky = UNSUPPORTED_Y$1 && re.sticky;
      var flags = regexpFlags.call(re);
      var source = re.source;
      var charsAdded = 0;
      var strCopy = str;

      if (sticky) {
        flags = flags.replace('y', '');
        if (flags.indexOf('g') === -1) {
          flags += 'g';
        }

        strCopy = String(str).slice(re.lastIndex);
        // Support anchored sticky behavior.
        if (re.lastIndex > 0 && (!re.multiline || re.multiline && str[re.lastIndex - 1] !== '\n')) {
          source = '(?: ' + source + ')';
          strCopy = ' ' + strCopy;
          charsAdded++;
        }
        // ^(? + rx + ) is needed, in combination with some str slicing, to
        // simulate the 'y' flag.
        reCopy = new RegExp('^(?:' + source + ')', flags);
      }

      if (NPCG_INCLUDED) {
        reCopy = new RegExp('^' + source + '$(?!\\s)', flags);
      }
      if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;

      match = nativeExec.call(sticky ? reCopy : re, strCopy);

      if (sticky) {
        if (match) {
          match.input = match.input.slice(charsAdded);
          match[0] = match[0].slice(charsAdded);
          match.index = re.lastIndex;
          re.lastIndex += match[0].length;
        } else re.lastIndex = 0;
      } else if (UPDATES_LAST_INDEX_WRONG && match) {
        re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
      }
      if (NPCG_INCLUDED && match && match.length > 1) {
        // Fix browsers whose `exec` methods don't consistently return `undefined`
        // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
        nativeReplace.call(match[0], reCopy, function () {
          for (i = 1; i < arguments.length - 2; i++) {
            if (arguments[i] === undefined) match[i] = undefined;
          }
        });
      }

      if (match && groups) {
        match.groups = object = create$2(null);
        for (i = 0; i < groups.length; i++) {
          group = groups[i];
          object[group[0]] = match[group[1]];
        }
      }

      return match;
    };
  }

  var regexpExec$3 = patchedExec;

  var $$9 = _export;
  var exec = regexpExec$3;

  // `RegExp.prototype.exec` method
  // https://tc39.es/ecma262/#sec-regexp.prototype.exec
  $$9({ target: 'RegExp', proto: true, forced: /./.exec !== exec }, {
    exec: exec
  });

  var getBuiltIn = getBuiltIn$3;

  var engineUserAgent = getBuiltIn('navigator', 'userAgent') || '';

  var global$3 = global$d;
  var userAgent$2 = engineUserAgent;

  var process = global$3.process;
  var versions = process && process.versions;
  var v8 = versions && versions.v8;
  var match, version;

  if (v8) {
    match = v8.split('.');
    version = match[0] < 4 ? 1 : match[0] + match[1];
  } else if (userAgent$2) {
    match = userAgent$2.match(/Edge\/(\d+)/);
    if (!match || match[1] >= 74) {
      match = userAgent$2.match(/Chrome\/(\d+)/);
      if (match) version = match[1];
    }
  }

  var engineV8Version = version && +version;

  /* eslint-disable es/no-symbol -- required for testing */

  var V8_VERSION$1 = engineV8Version;
  var fails$9 = fails$h;

  // eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing
  var nativeSymbol = !!Object.getOwnPropertySymbols && !fails$9(function () {
    var symbol = Symbol();
    // Chrome 38 Symbol has incorrect toString conversion
    // `get-own-property-symbols` polyfill symbols converted to object are not Symbol instances
    return !String(symbol) || !(Object(symbol) instanceof Symbol) ||
      // Chrome 38-40 symbols are not inherited from DOM collections prototypes to instances
      !Symbol.sham && V8_VERSION$1 && V8_VERSION$1 < 41;
  });

  /* eslint-disable es/no-symbol -- required for testing */

  var NATIVE_SYMBOL$1 = nativeSymbol;

  var useSymbolAsUid = NATIVE_SYMBOL$1
    && !Symbol.sham
    && typeof Symbol.iterator == 'symbol';

  var global$2 = global$d;
  var shared = shared$4.exports;
  var has$3 = has$9;
  var uid = uid$2;
  var NATIVE_SYMBOL = nativeSymbol;
  var USE_SYMBOL_AS_UID = useSymbolAsUid;

  var WellKnownSymbolsStore = shared('wks');
  var Symbol$1 = global$2.Symbol;
  var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;

  var wellKnownSymbol$g = function (name) {
    if (!has$3(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
      if (NATIVE_SYMBOL && has$3(Symbol$1, name)) {
        WellKnownSymbolsStore[name] = Symbol$1[name];
      } else {
        WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
      }
    } return WellKnownSymbolsStore[name];
  };

  // TODO: Remove from `core-js@4` since it's moved to entry points

  var redefine$3 = redefine$5.exports;
  var regexpExec$2 = regexpExec$3;
  var fails$8 = fails$h;
  var wellKnownSymbol$f = wellKnownSymbol$g;
  var createNonEnumerableProperty$3 = createNonEnumerableProperty$8;

  var SPECIES$4 = wellKnownSymbol$f('species');
  var RegExpPrototype$1 = RegExp.prototype;

  var fixRegexpWellKnownSymbolLogic = function (KEY, exec, FORCED, SHAM) {
    var SYMBOL = wellKnownSymbol$f(KEY);

    var DELEGATES_TO_SYMBOL = !fails$8(function () {
      // String methods call symbol-named RegEp methods
      var O = {};
      O[SYMBOL] = function () { return 7; };
      return ''[KEY](O) != 7;
    });

    var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL && !fails$8(function () {
      // Symbol-named RegExp methods call .exec
      var execCalled = false;
      var re = /a/;

      if (KEY === 'split') {
        // We can't use real regex here since it causes deoptimization
        // and serious performance degradation in V8
        // https://github.com/zloirock/core-js/issues/306
        re = {};
        // RegExp[@@split] doesn't call the regex's exec method, but first creates
        // a new one. We need to return the patched regex when creating the new one.
        re.constructor = {};
        re.constructor[SPECIES$4] = function () { return re; };
        re.flags = '';
        re[SYMBOL] = /./[SYMBOL];
      }

      re.exec = function () { execCalled = true; return null; };

      re[SYMBOL]('');
      return !execCalled;
    });

    if (
      !DELEGATES_TO_SYMBOL ||
      !DELEGATES_TO_EXEC ||
      FORCED
    ) {
      var nativeRegExpMethod = /./[SYMBOL];
      var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
        var $exec = regexp.exec;
        if ($exec === regexpExec$2 || $exec === RegExpPrototype$1.exec) {
          if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
            // The native String method already delegates to @@method (this
            // polyfilled function), leasing to infinite recursion.
            // We avoid it by directly calling the native @@method method.
            return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
          }
          return { done: true, value: nativeMethod.call(str, regexp, arg2) };
        }
        return { done: false };
      });

      redefine$3(String.prototype, KEY, methods[0]);
      redefine$3(RegExpPrototype$1, SYMBOL, methods[1]);
    }

    if (SHAM) createNonEnumerableProperty$3(RegExpPrototype$1[SYMBOL], 'sham', true);
  };

  var isObject$3 = isObject$8;
  var classof$5 = classofRaw$1;
  var wellKnownSymbol$e = wellKnownSymbol$g;

  var MATCH = wellKnownSymbol$e('match');

  // `IsRegExp` abstract operation
  // https://tc39.es/ecma262/#sec-isregexp
  var isRegexp = function (it) {
    var isRegExp;
    return isObject$3(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof$5(it) == 'RegExp');
  };

  var aFunction$3 = function (it) {
    if (typeof it != 'function') {
      throw TypeError(String(it) + ' is not a function');
    } return it;
  };

  var anObject$7 = anObject$d;
  var aFunction$2 = aFunction$3;
  var wellKnownSymbol$d = wellKnownSymbol$g;

  var SPECIES$3 = wellKnownSymbol$d('species');

  // `SpeciesConstructor` abstract operation
  // https://tc39.es/ecma262/#sec-speciesconstructor
  var speciesConstructor$1 = function (O, defaultConstructor) {
    var C = anObject$7(O).constructor;
    var S;
    return C === undefined || (S = anObject$7(C)[SPECIES$3]) == undefined ? defaultConstructor : aFunction$2(S);
  };

  var toInteger$1 = toInteger$4;
  var requireObjectCoercible$3 = requireObjectCoercible$6;

  // `String.prototype.{ codePointAt, at }` methods implementation
  var createMethod$1 = function (CONVERT_TO_STRING) {
    return function ($this, pos) {
      var S = String(requireObjectCoercible$3($this));
      var position = toInteger$1(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.es/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$1 = stringMultibyte.charAt;

  // `AdvanceStringIndex` abstract operation
  // https://tc39.es/ecma262/#sec-advancestringindex
  var advanceStringIndex$3 = function (S, index, unicode) {
    return index + (unicode ? charAt$1(S, index).length : 1);
  };

  var classof$4 = classofRaw$1;
  var regexpExec$1 = regexpExec$3;

  // `RegExpExec` abstract operation
  // https://tc39.es/ecma262/#sec-regexpexec
  var regexpExecAbstract = function (R, S) {
    var exec = R.exec;
    if (typeof exec === 'function') {
      var result = exec.call(R, S);
      if (typeof result !== 'object') {
        throw TypeError('RegExp exec method returned something other than an Object or null');
      }
      return result;
    }

    if (classof$4(R) !== 'RegExp') {
      throw TypeError('RegExp#exec called on incompatible receiver');
    }

    return regexpExec$1.call(R, S);
  };

  var fixRegExpWellKnownSymbolLogic$2 = fixRegexpWellKnownSymbolLogic;
  var isRegExp = isRegexp;
  var anObject$6 = anObject$d;
  var requireObjectCoercible$2 = requireObjectCoercible$6;
  var speciesConstructor = speciesConstructor$1;
  var advanceStringIndex$2 = advanceStringIndex$3;
  var toLength$6 = toLength$8;
  var callRegExpExec = regexpExecAbstract;
  var regexpExec = regexpExec$3;
  var stickyHelpers = regexpStickyHelpers;
  var fails$7 = fails$h;

  var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y;
  var arrayPush = [].push;
  var min$1 = Math.min;
  var MAX_UINT32 = 0xFFFFFFFF;

  // Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
  // Weex JS has frozen built-in prototypes, so use try / catch wrapper
  var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails$7(function () {
    // eslint-disable-next-line regexp/no-empty-group -- required for testing
    var re = /(?:)/;
    var originalExec = re.exec;
    re.exec = function () { return originalExec.apply(this, arguments); };
    var result = 'ab'.split(re);
    return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
  });

  // @@split logic
  fixRegExpWellKnownSymbolLogic$2('split', function (SPLIT, nativeSplit, maybeCallNative) {
    var internalSplit;
    if (
      'abbc'.split(/(b)*/)[1] == 'c' ||
      // eslint-disable-next-line regexp/no-empty-group -- required for testing
      'test'.split(/(?:)/, -1).length != 4 ||
      'ab'.split(/(?:ab)*/).length != 2 ||
      '.'.split(/(.?)(.?)/).length != 4 ||
      // eslint-disable-next-line regexp/no-assertion-capturing-group, regexp/no-empty-group -- required for testing
      '.'.split(/()()/).length > 1 ||
      ''.split(/.?/).length
    ) {
      // based on es5-shim implementation, need to rework it
      internalSplit = function (separator, limit) {
        var string = String(requireObjectCoercible$2(this));
        var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
        if (lim === 0) return [];
        if (separator === undefined) return [string];
        // If `separator` is not a regex, use native split
        if (!isRegExp(separator)) {
          return nativeSplit.call(string, separator, lim);
        }
        var output = [];
        var flags = (separator.ignoreCase ? 'i' : '') +
                    (separator.multiline ? 'm' : '') +
                    (separator.unicode ? 'u' : '') +
                    (separator.sticky ? 'y' : '');
        var lastLastIndex = 0;
        // Make `global` and avoid `lastIndex` issues by working with a copy
        var separatorCopy = new RegExp(separator.source, flags + 'g');
        var match, lastIndex, lastLength;
        while (match = regexpExec.call(separatorCopy, string)) {
          lastIndex = separatorCopy.lastIndex;
          if (lastIndex > lastLastIndex) {
            output.push(string.slice(lastLastIndex, match.index));
            if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
            lastLength = match[0].length;
            lastLastIndex = lastIndex;
            if (output.length >= lim) break;
          }
          if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
        }
        if (lastLastIndex === string.length) {
          if (lastLength || !separatorCopy.test('')) output.push('');
        } else output.push(string.slice(lastLastIndex));
        return output.length > lim ? output.slice(0, lim) : output;
      };
    // Chakra, V8
    } else if ('0'.split(undefined, 0).length) {
      internalSplit = function (separator, limit) {
        return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
      };
    } else internalSplit = nativeSplit;

    return [
      // `String.prototype.split` method
      // https://tc39.es/ecma262/#sec-string.prototype.split
      function split(separator, limit) {
        var O = requireObjectCoercible$2(this);
        var splitter = separator == undefined ? undefined : separator[SPLIT];
        return splitter !== undefined
          ? splitter.call(separator, O, limit)
          : internalSplit.call(String(O), separator, limit);
      },
      // `RegExp.prototype[@@split]` method
      // https://tc39.es/ecma262/#sec-regexp.prototype-@@split
      //
      // NOTE: This cannot be properly polyfilled in engines that don't support
      // the 'y' flag.
      function (string, limit) {
        var res = maybeCallNative(internalSplit, this, string, limit, internalSplit !== nativeSplit);
        if (res.done) return res.value;

        var rx = anObject$6(this);
        var S = String(string);
        var C = speciesConstructor(rx, RegExp);

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

        // ^(? + rx + ) is needed, in combination with some S slicing, to
        // simulate the 'y' flag.
        var splitter = new C(UNSUPPORTED_Y ? '^(?:' + rx.source + ')' : rx, flags);
        var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
        if (lim === 0) return [];
        if (S.length === 0) return callRegExpExec(splitter, S) === null ? [S] : [];
        var p = 0;
        var q = 0;
        var A = [];
        while (q < S.length) {
          splitter.lastIndex = UNSUPPORTED_Y ? 0 : q;
          var z = callRegExpExec(splitter, UNSUPPORTED_Y ? S.slice(q) : S);
          var e;
          if (
            z === null ||
            (e = min$1(toLength$6(splitter.lastIndex + (UNSUPPORTED_Y ? q : 0)), S.length)) === p
          ) {
            q = advanceStringIndex$2(S, q, unicodeMatching);
          } else {
            A.push(S.slice(p, q));
            if (A.length === lim) return A;
            for (var i = 1; i <= z.length - 1; i++) {
              A.push(z[i]);
              if (A.length === lim) return A;
            }
            q = p = e;
          }
        }
        A.push(S.slice(p));
        return A;
      }
    ];
  }, !SPLIT_WORKS_WITH_OVERWR