lin-view-ui/lib/live-comment.js

vue components library

import { LocaleMixin } from './mixins.js';
import Image from './image.js';

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

var fails$8 = function (exec) {
  try {
    return !!exec();
  } catch (error) {
    return true;
  }
};

var fails$7 = fails$8;

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

var objectDefineProperty = {};

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 isObject$6 = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};

var global$c = global$d;
var isObject$5 = isObject$6;

var document$1 = global$c.document;
// typeof document.createElement is 'object' in old IE
var EXISTS = isObject$5(document$1) && isObject$5(document$1.createElement);

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

var DESCRIPTORS$6 = descriptors;
var fails$6 = fails$8;
var createElement = documentCreateElement$1;

// Thank's IE8 for his funny defineProperty
var ie8DomDefine = !DESCRIPTORS$6 && !fails$6(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 isObject$4 = isObject$6;

var anObject$7 = function (it) {
  if (!isObject$4(it)) {
    throw TypeError(String(it) + ' is not an object');
  } return it;
};

var isObject$3 = isObject$6;

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

var DESCRIPTORS$5 = descriptors;
var IE8_DOM_DEFINE$1 = ie8DomDefine;
var anObject$6 = anObject$7;
var toPrimitive$2 = 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$5 ? $defineProperty : function defineProperty(O, P, Attributes) {
  anObject$6(O);
  P = toPrimitive$2(P, true);
  anObject$6(Attributes);
  if (IE8_DOM_DEFINE$1) 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$4 = descriptors;
var defineProperty$1 = objectDefineProperty.f;

var FunctionPrototype = Function.prototype;
var FunctionPrototypeToString = FunctionPrototype.toString;
var nameRE = /^\s*function ([^ (]*)/;
var NAME = 'name';

// Function instances `.name` property
// https://tc39.es/ecma262/#sec-function-instances-name
if (DESCRIPTORS$4 && !(NAME in FunctionPrototype)) {
  defineProperty$1(FunctionPrototype, NAME, {
    configurable: true,
    get: function () {
      try {
        return FunctionPrototypeToString.call(this).match(nameRE)[1];
      } catch (error) {
        return '';
      }
    }
  });
}

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;
}

var fails$5 = fails$8;

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

var isForced$2 = function (feature, detection) {
  var value = data[normalize(feature)];
  return value == POLYFILL ? true
    : value == NATIVE ? false
    : typeof detection == 'function' ? fails$5(detection)
    : !!detection;
};

var normalize = isForced$2.normalize = function (string) {
  return String(string).replace(replacement, '.').toLowerCase();
};

var data = isForced$2.data = {};
var NATIVE = isForced$2.NATIVE = 'N';
var POLYFILL = isForced$2.POLYFILL = 'P';

var isForced_1 = isForced$2;

var redefine$3 = {exports: {}};

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

var DESCRIPTORS$3 = descriptors;
var definePropertyModule$2 = objectDefineProperty;
var createPropertyDescriptor$1 = createPropertyDescriptor$2;

var createNonEnumerableProperty$5 = DESCRIPTORS$3 ? function (object, key, value) {
  return definePropertyModule$2.f(object, key, createPropertyDescriptor$1(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

// `RequireObjectCoercible` abstract operation
// https://tc39.es/ecma262/#sec-requireobjectcoercible
var requireObjectCoercible$5 = function (it) {
  if (it == undefined) throw TypeError("Can't call method on " + it);
  return it;
};

var requireObjectCoercible$4 = requireObjectCoercible$5;

// `ToObject` abstract operation
// https://tc39.es/ecma262/#sec-toobject
var toObject$2 = function (argument) {
  return Object(requireObjectCoercible$4(argument));
};

var toObject$1 = toObject$2;

var hasOwnProperty = {}.hasOwnProperty;

var has$7 = Object.hasOwn || function hasOwn(it, key) {
  return hasOwnProperty.call(toObject$1(it), key);
};

var global$b = global$d;
var createNonEnumerableProperty$4 = createNonEnumerableProperty$5;

var setGlobal$3 = function (key, value) {
  try {
    createNonEnumerableProperty$4(global$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: '3.14.0',
  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$1 = shared$3('keys');

var sharedKey$2 = function (key) {
  return keys$1[key] || (keys$1[key] = uid$1(key));
};

var hiddenKeys$4 = {};

var NATIVE_WEAK_MAP = nativeWeakMap;
var global$8 = global$d;
var isObject$2 = isObject$6;
var createNonEnumerableProperty$3 = createNonEnumerableProperty$5;
var objectHas = has$7;
var shared$2 = sharedStore;
var sharedKey$1 = sharedKey$2;
var hiddenKeys$3 = hiddenKeys$4;

var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
var WeakMap = global$8.WeakMap;
var set, get, has$6;

var enforce = function (it) {
  return has$6(it) ? get(it) : set(it, {});
};

var getterFor = function (TYPE) {
  return function (it) {
    var state;
    if (!isObject$2(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$6 = function (it) {
    return wmhas.call(store, it);
  };
} else {
  var STATE = sharedKey$1('state');
  hiddenKeys$3[STATE] = true;
  set = function (it, metadata) {
    if (objectHas(it, STATE)) throw new TypeError(OBJECT_ALREADY_INITIALIZED);
    metadata.facade = it;
    createNonEnumerableProperty$3(it, STATE, metadata);
    return metadata;
  };
  get = function (it) {
    return objectHas(it, STATE) ? it[STATE] : {};
  };
  has$6 = function (it) {
    return objectHas(it, STATE);
  };
}

var internalState = {
  set: set,
  get: get,
  has: has$6,
  enforce: enforce,
  getterFor: getterFor
};

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

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

(redefine$3.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$5(value, 'name')) {
      createNonEnumerableProperty$2(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$2(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 || inspectSource(this);
});

var toString = {}.toString;

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

var isObject$1 = isObject$6;

var aPossiblePrototype$1 = function (it) {
  if (!isObject$1(it) && it !== null) {
    throw TypeError("Can't set " + String(it) + ' as a prototype');
  } return it;
};

/* eslint-disable no-proto -- safe */

var anObject$5 = anObject$7;
var aPossiblePrototype = aPossiblePrototype$1;

// `Object.setPrototypeOf` method
// https://tc39.es/ecma262/#sec-object.setprototypeof
// Works with __proto__ only. Old v8 can't work with null proto objects.
// eslint-disable-next-line es/no-object-setprototypeof -- safe
var objectSetPrototypeOf = Object.setPrototypeOf || ('__proto__' in {} ? function () {
  var CORRECT_SETTER = false;
  var test = {};
  var setter;
  try {
    // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
    setter.call(test, []);
    CORRECT_SETTER = test instanceof Array;
  } catch (error) { /* empty */ }
  return function setPrototypeOf(O, proto) {
    anObject$5(O);
    aPossiblePrototype(proto);
    if (CORRECT_SETTER) setter.call(O, proto);
    else O.__proto__ = proto;
    return O;
  };
}() : undefined);

var isObject = isObject$6;
var setPrototypeOf = objectSetPrototypeOf;

// makes subclassing work correct for wrapped built-ins
var inheritIfRequired$1 = function ($this, dummy, Wrapper) {
  var NewTarget, NewTargetPrototype;
  if (
    // it can work only with native `setPrototypeOf`
    setPrototypeOf &&
    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this
    typeof (NewTarget = dummy.constructor) == 'function' &&
    NewTarget !== Wrapper &&
    isObject(NewTargetPrototype = NewTarget.prototype) &&
    NewTargetPrototype !== Wrapper.prototype
  ) setPrototypeOf($this, NewTargetPrototype);
  return $this;
};

var fails$4 = fails$8;
var classof$2 = classofRaw;

var split = ''.split;

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var indexedObject = fails$4(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$2(it) == 'String' ? split.call(it, '') : Object(it);
} : Object;

// toObject with fallback for non-array-like ES3 strings
var IndexedObject = indexedObject;
var requireObjectCoercible$3 = requireObjectCoercible$5;

var toIndexedObject$3 = function (it) {
  return IndexedObject(requireObjectCoercible$3(it));
};

var ceil = Math.ceil;
var floor$1 = Math.floor;

// `ToInteger` abstract operation
// https://tc39.es/ecma262/#sec-tointeger
var toInteger$4 = function (argument) {
  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor$1 : ceil)(argument);
};

var toInteger$3 = toInteger$4;

var min$2 = Math.min;

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

var toInteger$2 = toInteger$4;

var max$1 = 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(integer, length).
var toAbsoluteIndex$1 = function (index, length) {
  var integer = toInteger$2(index);
  return integer < 0 ? max$1(integer + length, 0) : min$1(integer, length);
};

var toIndexedObject$2 = toIndexedObject$3;
var toLength$1 = toLength$2;
var toAbsoluteIndex = toAbsoluteIndex$1;

// `Array.prototype.{ indexOf, includes }` methods implementation
var createMethod$2 = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = toIndexedObject$2($this);
    var length = toLength$1(O.length);
    var index = toAbsoluteIndex(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$4 = has$7;
var toIndexedObject$1 = toIndexedObject$3;
var indexOf = arrayIncludes.indexOf;
var hiddenKeys$2 = hiddenKeys$4;

var objectKeysInternal = function (object, names) {
  var O = toIndexedObject$1(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) !has$4(hiddenKeys$2, key) && has$4(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has$4(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;

// `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$1(O, enumBugKeys$2);
};

var DESCRIPTORS$2 = descriptors;
var definePropertyModule$1 = objectDefineProperty;
var anObject$4 = anObject$7;
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$2 ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject$4(O);
  var keys = objectKeys(Properties);
  var length = keys.length;
  var index = 0;
  var key;
  while (length > index) definePropertyModule$1.f(O, key = keys[index++], Properties[key]);
  return O;
};

var global$6 = global$d;

var path$1 = global$6;

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

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

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

var getBuiltIn$2 = getBuiltIn$3;

var html$1 = getBuiltIn$2('document', 'documentElement');

var anObject$3 = anObject$7;
var defineProperties = objectDefineProperties;
var enumBugKeys$1 = enumBugKeys$3;
var hiddenKeys$1 = hiddenKeys$4;
var html = html$1;
var documentCreateElement = documentCreateElement$1;
var sharedKey = sharedKey$2;

var GT = '>';
var LT = '<';
var PROTOTYPE = 'prototype';
var SCRIPT = 'script';
var IE_PROTO = sharedKey('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$1.length;
  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys$1[length]];
  return NullProtoObject();
};

hiddenKeys$1[IE_PROTO] = 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$3(O);
    result = new EmptyConstructor();
    EmptyConstructor[PROTOTYPE] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO] = O;
  } else result = NullProtoObject();
  return Properties === undefined ? result : defineProperties(result, Properties);
};

var objectGetOwnPropertyNames = {};

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

var hiddenKeys = enumBugKeys.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(O, hiddenKeys);
};

var objectGetOwnPropertyDescriptor = {};

var objectPropertyIsEnumerable = {};

var $propertyIsEnumerable = {}.propertyIsEnumerable;
// eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
var getOwnPropertyDescriptor$2 = Object.getOwnPropertyDescriptor;

// Nashorn ~ JDK8 bug
var NASHORN_BUG = getOwnPropertyDescriptor$2 && !$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$2(this, V);
  return !!descriptor && descriptor.enumerable;
} : $propertyIsEnumerable;

var DESCRIPTORS$1 = descriptors;
var propertyIsEnumerableModule = objectPropertyIsEnumerable;
var createPropertyDescriptor = createPropertyDescriptor$2;
var toIndexedObject = toIndexedObject$3;
var toPrimitive$1 = toPrimitive$3;
var has$3 = has$7;
var IE8_DOM_DEFINE = 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$1 ? $getOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject(O);
  P = toPrimitive$1(P, true);
  if (IE8_DOM_DEFINE) try {
    return $getOwnPropertyDescriptor(O, P);
  } catch (error) { /* empty */ }
  if (has$3(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
};

// a string of all valid unicode whitespaces
var whitespaces$1 = '\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 requireObjectCoercible$2 = requireObjectCoercible$5;
var whitespaces = whitespaces$1;

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

// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
var createMethod$1 = function (TYPE) {
  return function ($this) {
    var string = String(requireObjectCoercible$2($this));
    if (TYPE & 1) string = string.replace(ltrim, '');
    if (TYPE & 2) string = string.replace(rtrim, '');
    return string;
  };
};

var stringTrim = {
  // `String.prototype.{ trimLeft, trimStart }` methods
  // https://tc39.es/ecma262/#sec-string.prototype.trimstart
  start: createMethod$1(1),
  // `String.prototype.{ trimRight, trimEnd }` methods
  // https://tc39.es/ecma262/#sec-string.prototype.trimend
  end: createMethod$1(2),
  // `String.prototype.trim` method
  // https://tc39.es/ecma262/#sec-string.prototype.trim
  trim: createMethod$1(3)
};

var DESCRIPTORS = descriptors;
var global$4 = global$d;
var isForced$1 = isForced_1;
var redefine$2 = redefine$3.exports;
var has$2 = has$7;
var classof$1 = classofRaw;
var inheritIfRequired = inheritIfRequired$1;
var toPrimitive = toPrimitive$3;
var fails$3 = fails$8;
var create = objectCreate;
var getOwnPropertyNames = objectGetOwnPropertyNames.f;
var getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;
var defineProperty = objectDefineProperty.f;
var trim = stringTrim.trim;

var NUMBER = 'Number';
var NativeNumber = global$4[NUMBER];
var NumberPrototype = NativeNumber.prototype;

// Opera ~12 has broken Object#toString
var BROKEN_CLASSOF = classof$1(create(NumberPrototype)) == NUMBER;

// `ToNumber` abstract operation
// https://tc39.es/ecma262/#sec-tonumber
var toNumber = function (argument) {
  var it = toPrimitive(argument, false);
  var first, third, radix, maxCode, digits, length, index, code;
  if (typeof it == 'string' && it.length > 2) {
    it = trim(it);
    first = it.charCodeAt(0);
    if (first === 43 || first === 45) {
      third = it.charCodeAt(2);
      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
    } else if (first === 48) {
      switch (it.charCodeAt(1)) {
        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
        case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
        default: return +it;
      }
      digits = it.slice(2);
      length = digits.length;
      for (index = 0; index < length; index++) {
        code = digits.charCodeAt(index);
        // parseInt parses a string to a first unavailable symbol
        // but ToNumber should return NaN if a string contains unavailable symbols
        if (code < 48 || code > maxCode) return NaN;
      } return parseInt(digits, radix);
    }
  } return +it;
};

// `Number` constructor
// https://tc39.es/ecma262/#sec-number-constructor
if (isForced$1(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
  var NumberWrapper = function Number(value) {
    var it = arguments.length < 1 ? 0 : value;
    var dummy = this;
    return dummy instanceof NumberWrapper
      // check on 1..constructor(foo) case
      && (BROKEN_CLASSOF ? fails$3(function () { NumberPrototype.valueOf.call(dummy); }) : classof$1(dummy) != NUMBER)
        ? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
  };
  for (var keys = DESCRIPTORS ? getOwnPropertyNames(NativeNumber) : (
    // ES3:
    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
    // ES2015 (in case, if modules with ES2015 Number statics required before):
    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger,' +
    // ESNext
    'fromString,range'
  ).split(','), j = 0, key; keys.length > j; j++) {
    if (has$2(NativeNumber, key = keys[j]) && !has$2(NumberWrapper, key)) {
      defineProperty(NumberWrapper, key, getOwnPropertyDescriptor$1(NativeNumber, key));
    }
  }
  NumberWrapper.prototype = NumberPrototype;
  NumberPrototype.constructor = NumberWrapper;
  redefine$2(global$4, NUMBER, NumberWrapper);
}

var objectGetOwnPropertySymbols = {};

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

var getBuiltIn$1 = getBuiltIn$3;
var getOwnPropertyNamesModule = objectGetOwnPropertyNames;
var getOwnPropertySymbolsModule = objectGetOwnPropertySymbols;
var anObject$2 = anObject$7;

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

var has$1 = has$7;
var ownKeys = ownKeys$1;
var getOwnPropertyDescriptorModule = objectGetOwnPropertyDescriptor;
var definePropertyModule = objectDefineProperty;

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

var global$3 = global$d;
var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
var createNonEnumerableProperty$1 = createNonEnumerableProperty$5;
var redefine$1 = redefine$3.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$3;
  } else if (STATIC) {
    target = global$3[TARGET] || setGlobal(TARGET, {});
  } else {
    target = (global$3[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$1(sourceProperty, 'sham', true);
    }
    // extend global
    redefine$1(target, key, sourceProperty, options);
  }
};

var anObject$1 = anObject$7;

// `RegExp.prototype.flags` getter implementation
// https://tc39.es/ecma262/#sec-get-regexp.prototype.flags
var regexpFlags$1 = function () {
  var that = anObject$1(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$2 = fails$8;

// babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
// so we use an intermediate function.
function RE(s, f) {
  return RegExp(s, f);
}

regexpStickyHelpers.UNSUPPORTED_Y = fails$2(function () {
  // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
  var re = RE('a', 'y');
  re.lastIndex = 2;
  return re.exec('abcd') != null;
});

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

/* 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 = regexpStickyHelpers;
var shared$1 = shared$4.exports;

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 = stickyHelpers.UNSUPPORTED_Y || stickyHelpers.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;

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

    return match;
  };
}

var regexpExec$2 = patchedExec;

var $ = _export;
var exec = regexpExec$2;

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

var getBuiltIn = getBuiltIn$3;

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

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

var process = global$2.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) {
  match = userAgent.match(/Edge\/(\d+)/);
  if (!match || match[1] >= 74) {
    match = userAgent.match(/Chrome\/(\d+)/);
    if (match) version = match[1];
  }
}

var engineV8Version = version && +version;

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

var V8_VERSION = engineV8Version;
var fails$1 = fails$8;

// eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing
var nativeSymbol = !!Object.getOwnPropertySymbols && !fails$1(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 && V8_VERSION < 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$1 = global$d;
var shared = shared$4.exports;
var has = has$7;
var uid = uid$2;
var NATIVE_SYMBOL = nativeSymbol;
var USE_SYMBOL_AS_UID = useSymbolAsUid;

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

var wellKnownSymbol$1 = function (name) {
  if (!has(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
    if (NATIVE_SYMBOL && has(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 = redefine$3.exports;
var regexpExec$1 = regexpExec$2;
var fails = fails$8;
var wellKnownSymbol = wellKnownSymbol$1;
var createNonEnumerableProperty = createNonEnumerableProperty$5;

var SPECIES = wellKnownSymbol('species');
var RegExpPrototype = RegExp.prototype;

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';
});

// IE <= 11 replaces $0 with the whole match, as if it was $&
// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
var REPLACE_KEEPS_$0 = (function () {
  // eslint-disable-next-line regexp/prefer-escape-replacement-dollar-char -- required for testing
  return 'a'.replace(/./, '$0') === '$0';
})();

var REPLACE = wellKnownSymbol('replace');
// Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
  if (/./[REPLACE]) {
    return /./[REPLACE]('a', '$0') === '';
  }
  return false;
})();

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

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/;

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

    redefine(String.prototype, KEY, stringMethod);
    redefine(RegExpPrototype, 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) createNonEnumerableProperty(RegExpPrototype[SYMBOL], 'sham', true);
};

var toInteger$1 = toInteger$4;
var requireObjectCoercible$1 = requireObjectCoercible$5;

// `String.prototype.{ codePointAt, at }` methods implementation
var createMethod = function (CONVERT_TO_STRING) {
  return function ($this, pos) {
    var S = String(requireObjectCoercible$1($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(false),
  // `String.prototype.at` method
  // https://github.com/mathiasbynens/String.prototype.at
  charAt: createMethod(true)
};

var charAt = stringMultibyte.charAt;

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

var toObject = toObject$2;

var floor = Math.floor;
var replace = ''.replace;
var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d{1,2}|<[^>]*>)/g;
var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d{1,2})/g;

// `GetSubstitution` abstract operation
// https://tc39.es/ecma262/#sec-getsubstitution
var getSubstitution$1 = function (matched, str, position, captures, namedCaptures, replacement) {
  var tailPos = position + matched.length;
  var m = captures.length;
  var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
  if (namedCaptures !== undefined) {
    namedCaptures = toObject(namedCaptures);
    symbols = SUBSTITUTION_SYMBOLS;
  }
  return replace.call(replacement, symbols, function (match, ch) {
    var capture;
    switch (ch.charAt(0)) {
      case '$': 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(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;
  });
};

var classof = classofRaw;
var regexpExec = regexpExec$2;

// `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(R) !== 'RegExp') {
    throw TypeError('RegExp#exec called on incompatible receiver');
  }

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

var fixRegExpWellKnownSymbolLogic = fixRegexpWellKnownSymbolLogic;
var anObject = anObject$7;
var toLength = toLength$2;
var toInteger = toInteger$4;
var requireObjectCoercible = requireObjectCoercible$5;
var advanceStringIndex = advanceStringIndex$1;
var getSubstitution = getSubstitution$1;
var regExpExec = regexpExecAbstract;

var max = Math.max;
var min = Math.min;

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

// @@replace logic
fixRegExpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {
  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;
  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;
  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';

  return [
    // `String.prototype.replace` method
    // https://tc39.es/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.es/ecma262/#sec-regexp.prototype-@@replace
    function (regexp, replaceValue) {
      if (
        (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0) ||
        (typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1)
      ) {
        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 = regExpExec(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(min(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);
    }
  ];
});

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