var toString = {}.toString;

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

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

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

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

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
};

// 7.1.1 ToPrimitive(input [, PreferredType])

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

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

// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = typeof window == 'object' && window && window.Math == Math ? window
  : typeof self == 'object' && self && self.Math == Math ? self
  // eslint-disable-next-line no-new-func
  : Function('return this')();

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

var documentCreateElement = function (it) {
  return exist ? 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;
};

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

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

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, key, value);
  } catch (error) {
    global[key] = value;
  } return value;
};

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

(module.exports = function (key, value) {
  return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: '3.0.1',
  mode: 'global',
  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
});
});

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

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

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

var store = shared('wks');

var Symbol$1 = global.Symbol;


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

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

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

var f$1 = NASHORN_BUG ? function propertyIsEnumerable(V) {
  var descriptor = nativeGetOwnPropertyDescriptor(this, V);
  return !!descriptor && descriptor.enumerable;
} : nativePropertyIsEnumerable;

var objectPropertyIsEnumerable = {
	f: f$1
};

// fallback for non-array-like ES3 and non-enumerable old V8 strings


var split = ''.split;

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;

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



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

var hasOwnProperty = {}.hasOwnProperty;

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

var nativeGetOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor;

var f$2 = descriptors ? nativeGetOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject(O);
  P = toPrimitive(P, true);
  if (ie8DomDefine) try {
    return nativeGetOwnPropertyDescriptor$1(O, P);
  } catch (error) { /* empty */ }
  if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
};

var objectGetOwnPropertyDescriptor = {
	f: f$2
};

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

var WeakMap = global.WeakMap;

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

var shared$1 = shared('keys');


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

var hiddenKeys = {};

var WeakMap$1 = global.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$1 = new WeakMap$1();
  var wmget = store$1.get;
  var wmhas = store$1.has;
  var wmset = store$1.set;
  set = function (it, metadata) {
    wmset.call(store$1, it, metadata);
    return metadata;
  };
  get = function (it) {
    return wmget.call(store$1, it) || {};
  };
  has$1 = function (it) {
    return wmhas.call(store$1, 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 redefine = createCommonjsModule(function (module) {
var getInternalState = internalState.get;
var enforceInternalState = internalState.enforce;
var TEMPLATE = String(functionToString).split('toString');

shared('inspectSource', function (it) {
  return functionToString.call(it);
});

(module.exports = function (O, key, value, options) {
  var unsafe = options ? !!options.unsafe : false;
  var simple = options ? !!options.enumerable : false;
  var noTargetGet = options ? !!options.noTargetGet : false;
  if (typeof value == 'function') {
    if (typeof key == 'string' && !has(value, 'name')) hide(value, 'name', key);
    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
  }
  if (O === global) {
    if (simple) O[key] = value;
    else setGlobal(key, value);
    return;
  } else if (!unsafe) {
    delete O[key];
  } else if (!noTargetGet && O[key]) {
    simple = true;
  }
  if (simple) O[key] = value;
  else hide(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(this).source || functionToString.call(this);
});
});

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
// false -> Array#indexOf
// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
// true  -> Array#includes
// https://tc39.github.io/ecma262/#sec-array.prototype.includes
var arrayIncludes = 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) {
      if (O[index] === el) return IS_INCLUDES || index || 0;
    } return !IS_INCLUDES && -1;
  };
};

var arrayIndexOf = arrayIncludes(false);


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++])) {
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};

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

// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)

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

var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return objectKeysInternal(O, hiddenKeys$1);
};

var objectGetOwnPropertyNames = {
	f: f$3
};

var f$4 = Object.getOwnPropertySymbols;

var objectGetOwnPropertySymbols = {
	f: f$4
};

var Reflect = global.Reflect;

// all object keys, includes non-enumerable and symbols
var ownKeys = Reflect && Reflect.ownKeys || function ownKeys(it) {
  var keys = objectGetOwnPropertyNames.f(anObject(it));
  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
};

var copyConstructorProperties = function (target, source) {
  var keys = ownKeys(source);
  var defineProperty = objectDefineProperty.f;
  var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
  }
};

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 getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;






/*
  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;
  } else if (STATIC) {
    target = global[TARGET] || setGlobal(TARGET, {});
  } else {
    target = (global[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_1(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)) {
      hide(sourceProperty, 'sham', true);
    }
    // extend global
    redefine(target, key, sourceProperty, options);
  }
};

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 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);
  };
};

// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
// 0 -> Array#forEach
// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
// 1 -> Array#map
// https://tc39.github.io/ecma262/#sec-array.prototype.map
// 2 -> Array#filter
// https://tc39.github.io/ecma262/#sec-array.prototype.filter
// 3 -> Array#some
// https://tc39.github.io/ecma262/#sec-array.prototype.some
// 4 -> Array#every
// https://tc39.github.io/ecma262/#sec-array.prototype.every
// 5 -> Array#find
// https://tc39.github.io/ecma262/#sec-array.prototype.find
// 6 -> Array#findIndex
// https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
var arrayMethods = function (TYPE, specificCreate) {
  var IS_MAP = TYPE == 1;
  var IS_FILTER = TYPE == 2;
  var IS_SOME = TYPE == 3;
  var IS_EVERY = TYPE == 4;
  var IS_FIND_INDEX = TYPE == 6;
  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
  var create = specificCreate || arraySpeciesCreate;
  return function ($this, callbackfn, that) {
    var O = toObject($this);
    var self = indexedObject(O);
    var boundFunction = bindContext(callbackfn, that, 3);
    var length = toLength(self.length);
    var index = 0;
    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
    var value, result;
    for (;length > index; index++) if (NO_HOLES || index in self) {
      value = self[index];
      result = boundFunction(value, index, O);
      if (TYPE) {
        if (IS_MAP) target[index] = result; // map
        else if (result) switch (TYPE) {
          case 3: return true;              // some
          case 5: return value;             // find
          case 6: return index;             // findIndex
          case 2: target.push(value);       // filter
        } else if (IS_EVERY) return false;  // every
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
  };
};

// 19.1.2.14 / 15.2.3.14 Object.keys(O)



var objectKeys = Object.keys || function keys(O) {
  return objectKeysInternal(O, enumBugKeys);
};

var objectDefineProperties = descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject(O);
  var keys = objectKeys(Properties);
  var length = keys.length;
  var i = 0;
  var key;
  while (length > i) objectDefineProperty.f(O, key = keys[i++], Properties[key]);
  return O;
};

var document$1 = global.document;

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

// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])





var IE_PROTO = 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();
};

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] = O;
  } else result = createDict();
  return Properties === undefined ? result : objectDefineProperties(result, Properties);
};

hiddenKeys[IE_PROTO] = true;

var UNSCOPABLES = wellKnownSymbol('unscopables');


var ArrayPrototype = Array.prototype;

// Array.prototype[@@unscopables]
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
  hide(ArrayPrototype, UNSCOPABLES, objectCreate(null));
}

// add a key to Array.prototype[@@unscopables]
var addToUnscopables = function (key) {
  ArrayPrototype[UNSCOPABLES][key] = true;
};

var internalFind = arrayMethods(5);
var FIND = 'find';
var SKIPS_HOLES = true;

// Shouldn't skip holes
if (FIND in []) Array(1)[FIND](function () { SKIPS_HOLES = false; });

// `Array.prototype.find` method
// https://tc39.github.io/ecma262/#sec-array.prototype.find
_export({ target: 'Array', proto: true, forced: SKIPS_HOLES }, {
  find: function find(callbackfn /* , that = undefined */) {
    return internalFind(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});

// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables(FIND);

var sloppyArrayMethod = function (METHOD_NAME, argument) {
  var method = [][METHOD_NAME];
  return !method || !fails(function () {
    // eslint-disable-next-line no-useless-call,no-throw-literal
    method.call(null, argument || function () { throw 1; }, 1);
  });
};

var nativeJoin = [].join;

var ES3_STRINGS = indexedObject != Object;
var SLOPPY_METHOD = sloppyArrayMethod('join', ',');

// `Array.prototype.join` method
// https://tc39.github.io/ecma262/#sec-array.prototype.join
_export({ target: 'Array', proto: true, forced: ES3_STRINGS || SLOPPY_METHOD }, {
  join: function join(separator) {
    return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
  }
});

// a string of all valid unicode whitespaces
// eslint-disable-next-line max-len
var whitespaces = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

var whitespace = '[' + whitespaces + ']';
var ltrim = RegExp('^' + whitespace + whitespace + '*');
var rtrim = RegExp(whitespace + whitespace + '*$');

// 1 -> String#trimStart
// 2 -> String#trimEnd
// 3 -> String#trim
var stringTrim = function (string, TYPE) {
  string = String(requireObjectCoercible(string));
  if (TYPE & 1) string = string.replace(ltrim, '');
  if (TYPE & 2) string = string.replace(rtrim, '');
  return string;
};

var nativeParseInt = global.parseInt;


var hex = /^[-+]?0[xX]/;
var FORCED$1 = nativeParseInt(whitespaces + '08') !== 8 || nativeParseInt(whitespaces + '0x16') !== 22;

var _parseInt = FORCED$1 ? function parseInt(str, radix) {
  var string = stringTrim(String(str), 3);
  return nativeParseInt(string, (radix >>> 0) || (hex.test(string) ? 16 : 10));
} : nativeParseInt;

// `parseInt` method
// https://tc39.github.io/ecma262/#sec-parseint-string-radix
_export({ global: true, forced: parseInt != _parseInt }, {
  parseInt: _parseInt
});

// `RegExp.prototype.flags` getter implementation
// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
var regexpFlags = function () {
  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 nativeExec = RegExp.prototype.exec;
// This always refers to the native implementation, because the
// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
// which loads this file before patching the method.
var nativeReplace = 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;
})();

// 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;

if (PATCH) {
  patchedExec = function exec(str) {
    var re = this;
    var lastIndex, reCopy, match, i;

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

    match = nativeExec.call(re, str);

    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;
        }
      });
    }

    return match;
  };
}

var regexpExec = patchedExec;

_export({ target: 'RegExp', proto: true, forced: /./.exec !== regexpExec }, {
  exec: regexpExec
});

// CONVERT_TO_STRING: true  -> String#at
// CONVERT_TO_STRING: false -> String#codePointAt
var stringAt = function (that, pos, CONVERT_TO_STRING) {
  var S = String(requireObjectCoercible(that));
  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;
};

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

// `RegExpExec` abstract operation
// https://tc39.github.io/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 (classofRaw(R) !== 'RegExp') {
    throw TypeError('RegExp#exec called on incompatible receiver');
  }

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

var SPECIES$2 = wellKnownSymbol('species');

var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
  // #replace needs built-in support for named groups.
  // #match works fine because it just return the exec results, even if it has
  // a "grops" property.
  var re = /./;
  re.exec = function () {
    var result = [];
    result.groups = { a: '7' };
    return result;
  };
  return ''.replace(re, '$<a>') !== '7';
});

// 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(function () {
  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';
});

var fixRegexpWellKnownSymbolLogic = function (KEY, length, exec, sham) {
  var SYMBOL = wellKnownSymbol(KEY);

  var DELEGATES_TO_SYMBOL = !fails(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(function () {
    // Symbol-named RegExp methods call .exec
    var execCalled = false;
    var re = /a/;
    re.exec = function () { execCalled = true; return null; };

    if (KEY === 'split') {
      // 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$2] = function () { return re; };
    }

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

  if (
    !DELEGATES_TO_SYMBOL ||
    !DELEGATES_TO_EXEC ||
    (KEY === 'replace' && !REPLACE_SUPPORTS_NAMED_GROUPS) ||
    (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)
  ) {
    var nativeRegExpMethod = /./[SYMBOL];
    var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
      if (regexp.exec === regexpExec) {
        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 };
    });
    var stringMethod = methods[0];
    var regexMethod = methods[1];

    redefine(String.prototype, KEY, stringMethod);
    redefine(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 regexMethod.call(string, this, arg); }
      // 21.2.5.6 RegExp.prototype[@@match](string)
      // 21.2.5.9 RegExp.prototype[@@search](string)
      : function (string) { return regexMethod.call(string, this); }
    );
    if (sham) hide(RegExp.prototype[SYMBOL], 'sham', true);
  }
};

var max$1 = Math.max;
var min$2 = Math.min;
var floor$1 = Math.floor;
var SUBSTITUTION_SYMBOLS = /\$([$&`']|\d\d?|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&`']|\d\d?)/g;

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

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

        var rx = anObject(regexp);
        var S = String(this);

        var functionalReplace = typeof replaceValue === 'function';
        if (!functionalReplace) replaceValue = String(replaceValue);

        var global = rx.global;
        if (global) {
          var fullUnicode = rx.unicode;
          rx.lastIndex = 0;
        }
        var results = [];
        while (true) {
          var result = regexpExecAbstract(rx, S);
          if (result === null) break;

          results.push(result);
          if (!global) break;

          var matchStr = String(result[0]);
          if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
        }

        var accumulatedResult = '';
        var nextSourcePosition = 0;
        for (var i = 0; i < results.length; i++) {
          result = results[i];

          var matched = String(result[0]);
          var position = max$1(min$2(toInteger(result.index), S.length), 0);
          var captures = [];
          // NOTE: This is equivalent to
          //   captures = result.slice(1).map(maybeToString)
          // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
          // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
          // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
          for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
          var namedCaptures = result.groups;
          if (functionalReplace) {
            var replacerArgs = [matched].concat(captures, position, S);
            if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
            var replacement = String(replaceValue.apply(undefined, replacerArgs));
          } else {
            replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
          }
          if (position >= nextSourcePosition) {
            accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
            nextSourcePosition = position + matched.length;
          }
        }
        return accumulatedResult + S.slice(nextSourcePosition);
      }
    ];

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

function _typeof(obj) {
  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;
}

/**
 * @author zhixin wen <wenzhixin2010@gmail.com>
 * https://github.com/wenzhixin/bootstrap-show-password
 * version: 1.2.1
 */
var bootstrapVersion = 4;

try {
  var rawVersion = $.fn.dropdown.Constructor.VERSION; // Only try to parse VERSION if is is defined.
  // It is undefined in older versions of Bootstrap (tested with 3.1.1).

  if (rawVersion !== undefined) {
    bootstrapVersion = parseInt(rawVersion, 10);
  }
} catch (e) {// ignore
}

var Constants = {
  html: {
    inputGroups: {
      3: ['<span tabindex="100" class="add-on input-group-addon %s" title="%s">', '</span>'],
      4: ['<div class="%s"><button tabindex="100" title="%s" class="btn btn-outline-secondary" type="button">', '</button></div>']
    }[bootstrapVersion]
  } // TOOLS DEFINITION
  // ======================
  // it only does '%s', and return '' when arguments are undefined

};

var sprintf = function sprintf(str) {
  var args = arguments;
  var flag = true;
  var i = 1;
  str = str.replace(/%s/g, function () {
    var arg = args[i++];

    if (typeof arg === 'undefined') {
      flag = false;
      return '';
    }

    return arg;
  });

  if (flag) {
    return str;
  }

  return '';
};

var Password =
/*#__PURE__*/
function () {
  function Password(element, options) {
    _classCallCheck(this, Password);

    this.options = options;
    this.$element = $(element);
    this.isShown = false;
    this.init();
  }

  _createClass(Password, [{
    key: "init",
    value: function init() {
      var placementFuc;
      var inputClass;

      if (this.options.placement === 'before') {
        placementFuc = 'insertBefore';
        inputClass = 'input-group-prepend';
      } else {
        this.options.placement = 'after'; // default to after

        placementFuc = 'insertAfter';
        inputClass = 'input-group-append';
      } // Create the text, icon and assign


      this.$element.wrap("<div class=\"input-group".concat(sprintf(' input-group-%s', this.options.size), "\" />"));
      this.$text = $('<input type="text" />')[placementFuc](this.$element).attr('class', this.$element.attr('class')).attr('style', this.$element.attr('style')).attr('placeholder', this.$element.attr('placeholder')).attr('maxlength', this.$element.attr('maxlength')).attr('disabled', this.$element.attr('disabled')).css('display', this.$element.css('display')).val(this.$element.val()).hide(); // Copy readonly attribute if it's set

      if (this.$element.prop('readonly')) this.$text.prop('readonly', true);
      this.$icon = $(["".concat(sprintf(Constants.html.inputGroups[0], inputClass, this.options.message), "\n      <i class=\"icon-eye-open ").concat(this.options.eyeClass, " ").concat(this.options.eyeClassPositionInside ? '' : this.options.eyeOpenClass, "\">\n      ").concat(this.options.eyeClassPositionInside ? this.options.eyeOpenClass : '', "\n      </i>"), Constants.html.inputGroups[1]].join(''))[placementFuc](this.$text).css('cursor', 'pointer'); // events

      this.$text.off('keyup').on('keyup', $.proxy(function () {
        if (!this.isShown) return;
        this.$element.val(this.$text.val()).trigger('change');
      }, this));
      this.$icon.off('click').on('click', $.proxy(function () {
        this.$text.val(this.$element.val()).trigger('change');
        this.toggle();
      }, this));
    }
  }, {
    key: "toggle",
    value: function toggle(_relatedTarget) {
      this[!this.isShown ? 'show' : 'hide'](_relatedTarget);
    }
  }, {
    key: "show",
    value: function show(_relatedTarget) {
      var e = $.Event('show.bs.password', {
        relatedTarget: _relatedTarget
      });
      this.$element.trigger(e);
      this.isShown = true;
      this.$element.hide();
      this.$text.show();

      if (this.options.eyeClassPositionInside) {
        this.$icon.find('i,svg').removeClass('icon-eye-open').addClass('icon-eye-close').html(this.options.eyeCloseClass);
      } else {
        this.$icon.find('i,svg').removeClass("icon-eye-open ".concat(this.options.eyeOpenClass)).addClass("icon-eye-close ".concat(this.options.eyeCloseClass));
      }

      this.$text[this.options.placement](this.$element);
    }
  }, {
    key: "hide",
    value: function hide(_relatedTarget) {
      var e = $.Event('hide.bs.password', {
        relatedTarget: _relatedTarget
      });
      this.$element.trigger(e);
      this.isShown = false;
      this.$element.show();
      this.$text.hide();

      if (this.options.eyeClassPositionInside) {
        this.$icon.find('i,svg').removeClass('icon-eye-close').addClass('icon-eye-open').html(this.options.eyeOpenClass);
      } else {
        this.$icon.find('i,svg').removeClass("icon-eye-close ".concat(this.options.eyeCloseClass)).addClass("icon-eye-open ".concat(this.options.eyeOpenClass));
      }

      this.$element[this.options.placement](this.$text);
    }
  }, {
    key: "val",
    value: function val(value) {
      if (typeof value === 'undefined') {
        return this.$element.val();
      }

      this.$element.val(value).trigger('change');
      this.$text.val(value);
    }
  }, {
    key: "focus",
    value: function focus() {
      this.$element.focus();
    }
  }]);

  return Password;
}();

Password.DEFAULTS = {
  placement: 'after',
  // 'before' or 'after'
  message: 'Click here to show/hide password',
  size: undefined,
  // '', 'sm', 'large'
  eyeClass: 'fa',
  // 'glyphicon',
  eyeOpenClass: 'fa-eye',
  // 'glyphicon-eye-open',
  eyeCloseClass: 'fa-eye-slash',
  // 'glyphicon-eye-close',
  eyeClassPositionInside: false // PASSWORD PLUGIN DEFINITION
  // =======================

};
var old = $.fn.password;

$.fn.password = function () {
  var option = arguments[0]; // public function

  var args = arguments;
  var value;
  var allowedMethods = ['show', 'hide', 'toggle', 'val', 'focus'];
  this.each(function () {
    var $this = $(this);
    var data = $this.data('bs.password');
    var options = $.extend({}, Password.DEFAULTS, $this.data(), _typeof(option) === 'object' && option);

    if (typeof option === 'string') {
      if ($.inArray(option, allowedMethods) < 0) {
        throw new Error("Unknown method: ".concat(option));
      }

      value = data[option](args[1]);
    } else {
      if (!data) {
        data = new Password($this, options);
        $this.data('bs.password', data);
      } else {
        data.init(options);
      }
    }
  });
  return value ? value : this;
};

$.fn.password.Constructor = Password; // PASSWORD NO CONFLICT
// =================

$.fn.password.noConflict = function () {
  $.fn.password = old;
  return this;
};

$(function () {
  $('[data-toggle="password"]').password();
});
