(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global = global || self, global.assetsLoadMonitor = factory());
}(this, function () { 'use strict';

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

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

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

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

	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;
	});

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

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

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

	var objectPropertyIsEnumerable = {
		f: f
	};

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

	var toString = {}.toString;

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

	var split = ''.split;

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

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

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



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

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

	// `ToPrimitive` abstract operation
	// https://tc39.github.io/ecma262/#sec-toprimitive
	// instead of the ES6 spec version, we didn't implement @@toPrimitive case
	// and the second argument - flag - preferred type is a string
	var toPrimitive = function (input, PREFERRED_STRING) {
	  if (!isObject(input)) return input;
	  var fn, val;
	  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
	  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
	  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
	  throw TypeError("Can't convert object to primitive value");
	};

	var hasOwnProperty = {}.hasOwnProperty;

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

	var document$1 = global_1.document;
	// typeof document.createElement is 'object' in old IE
	var EXISTS = isObject(document$1) && isObject(document$1.createElement);

	var documentCreateElement = function (it) {
	  return EXISTS ? document$1.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 nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

	// `Object.getOwnPropertyDescriptor` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
	var f$1 = descriptors ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
	  O = toIndexedObject(O);
	  P = toPrimitive(P, true);
	  if (ie8DomDefine) try {
	    return nativeGetOwnPropertyDescriptor(O, P);
	  } catch (error) { /* empty */ }
	  if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
	};

	var objectGetOwnPropertyDescriptor = {
		f: f$1
	};

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

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

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

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

	var isForced_1 = isForced;

	var path = {};

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

	// optional / simple context binding
	var bindContext = function (fn, that, length) {
	  aFunction(fn);
	  if (that === undefined) return fn;
	  switch (length) {
	    case 0: return function () {
	      return fn.call(that);
	    };
	    case 1: return function (a) {
	      return fn.call(that, a);
	    };
	    case 2: return function (a, b) {
	      return fn.call(that, a, b);
	    };
	    case 3: return function (a, b, c) {
	      return fn.call(that, a, b, c);
	    };
	  }
	  return function (/* ...args */) {
	    return fn.apply(that, arguments);
	  };
	};

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

	var nativeDefineProperty = Object.defineProperty;

	// `Object.defineProperty` method
	// https://tc39.github.io/ecma262/#sec-object.defineproperty
	var f$2 = 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$2
	};

	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 getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;






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

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

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

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

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

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

	    targetProperty = target[key];

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

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

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

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

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

	    target[key] = resultProperty;

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

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

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

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

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

	var defineProperty = defineProperty_1;

	var defineProperty$1 = defineProperty;

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

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

	var min = Math.min;

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

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

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

	// `Array.prototype.{ indexOf, includes }` methods implementation
	var createMethod = function (IS_INCLUDES) {
	  return function ($this, el, fromIndex) {
	    var O = toIndexedObject($this);
	    var length = toLength(O.length);
	    var index = toAbsoluteIndex(fromIndex, length);
	    var value;
	    // Array#includes uses SameValueZero equality algorithm
	    // eslint-disable-next-line no-self-compare
	    if (IS_INCLUDES && el != el) while (length > index) {
	      value = O[index++];
	      // eslint-disable-next-line no-self-compare
	      if (value != value) return true;
	    // Array#indexOf ignores holes, Array#includes - not
	    } else for (;length > index; index++) {
	      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
	    } return !IS_INCLUDES && -1;
	  };
	};

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

	var hiddenKeys = {};

	var indexOf = arrayIncludes.indexOf;


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

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

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

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

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

	var defineProperties_1 = createCommonjsModule(function (module) {
	var Object = path.Object;

	var defineProperties = module.exports = function defineProperties(T, D) {
	  return Object.defineProperties(T, D);
	};

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

	var defineProperties = defineProperties_1;

	var defineProperties$1 = defineProperties;

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

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

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

	// `Object.getOwnPropertyNames` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
	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
	};

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

	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;
	};

	// `Object.getOwnPropertyDescriptors` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
	_export({ target: 'Object', stat: true, sham: !descriptors }, {
	  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
	    var O = toIndexedObject(object);
	    var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
	    var keys = ownKeys(O);
	    var result = {};
	    var index = 0;
	    var key, descriptor;
	    while (keys.length > index) {
	      descriptor = getOwnPropertyDescriptor(O, key = keys[index++]);
	      if (descriptor !== undefined) createProperty(result, key, descriptor);
	    }
	    return result;
	  }
	});

	var getOwnPropertyDescriptors = path.Object.getOwnPropertyDescriptors;

	var getOwnPropertyDescriptors$1 = getOwnPropertyDescriptors;

	var getOwnPropertyDescriptors$2 = getOwnPropertyDescriptors$1;

	var iterators = {};

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

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

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

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

	var WeakMap = global_1.WeakMap;

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

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

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

	var keys = shared('keys');

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	hiddenKeys[IE_PROTO$1] = true;

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

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

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

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

	test[TO_STRING_TAG$1] = 'z';

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

	var defineProperty$2 = objectDefineProperty.f;





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

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

	var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;





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

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

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

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

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

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

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

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

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

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

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

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

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

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

	  return methods;
	};

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

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

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

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

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

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

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

	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 push = [].push;

	// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
	var createMethod$1 = function (TYPE) {
	  var IS_MAP = TYPE == 1;
	  var IS_FILTER = TYPE == 2;
	  var IS_SOME = TYPE == 3;
	  var IS_EVERY = TYPE == 4;
	  var IS_FIND_INDEX = TYPE == 6;
	  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
	  return function ($this, callbackfn, that, specificCreate) {
	    var O = toObject($this);
	    var self = indexedObject(O);
	    var boundFunction = bindContext(callbackfn, that, 3);
	    var length = toLength(self.length);
	    var index = 0;
	    var create = specificCreate || arraySpeciesCreate;
	    var target = IS_MAP ? create($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: push.call(target, value); // filter
	        } else if (IS_EVERY) return false;  // every
	      }
	    }
	    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
	  };
	};

	var arrayIteration = {
	  // `Array.prototype.forEach` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach
	  forEach: createMethod$1(0),
	  // `Array.prototype.map` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.map
	  map: createMethod$1(1),
	  // `Array.prototype.filter` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.filter
	  filter: createMethod$1(2),
	  // `Array.prototype.some` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.some
	  some: createMethod$1(3),
	  // `Array.prototype.every` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.every
	  every: createMethod$1(4),
	  // `Array.prototype.find` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.find
	  find: createMethod$1(5),
	  // `Array.prototype.findIndex` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
	  findIndex: createMethod$1(6)
	};

	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 $forEach = arrayIteration.forEach;


	// `Array.prototype.forEach` method implementation
	// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
	var arrayForEach = sloppyArrayMethod('forEach') ? function forEach(callbackfn /* , thisArg */) {
	  return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	} : [].forEach;

	// `Array.prototype.forEach` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
	_export({ target: 'Array', proto: true, forced: [].forEach != arrayForEach }, {
	  forEach: arrayForEach
	});

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

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

	var forEach$1 = forEach;

	var ArrayPrototype = Array.prototype;

	var DOMIterables = {
	  DOMTokenList: true,
	  NodeList: true
	};

	var forEach_1 = function (it) {
	  var own = it.forEach;
	  return it === ArrayPrototype || (it instanceof Array && own === ArrayPrototype.forEach)
	    // eslint-disable-next-line no-prototype-builtins
	    || DOMIterables.hasOwnProperty(classof(it)) ? forEach$1 : own;
	};

	var forEach$2 = forEach_1;

	var nativeGetOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;


	var FAILS_ON_PRIMITIVES = fails(function () { nativeGetOwnPropertyDescriptor$1(1); });
	var FORCED = !descriptors || FAILS_ON_PRIMITIVES;

	// `Object.getOwnPropertyDescriptor` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
	_export({ target: 'Object', stat: true, forced: FORCED, sham: !descriptors }, {
	  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
	    return nativeGetOwnPropertyDescriptor$1(toIndexedObject(it), key);
	  }
	});

	var getOwnPropertyDescriptor_1 = createCommonjsModule(function (module) {
	var Object = path.Object;

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

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

	var getOwnPropertyDescriptor$2 = getOwnPropertyDescriptor_1;

	var getOwnPropertyDescriptor$3 = getOwnPropertyDescriptor$2;

	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 $filter = arrayIteration.filter;


	// `Array.prototype.filter` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.filter
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !arrayMethodHasSpeciesSupport('filter') }, {
	  filter: function filter(callbackfn /* , thisArg */) {
	    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

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

	var ArrayPrototype$1 = Array.prototype;

	var filter_1 = function (it) {
	  var own = it.filter;
	  return it === ArrayPrototype$1 || (it instanceof Array && own === ArrayPrototype$1.filter) ? filter : own;
	};

	var filter$1 = filter_1;

	var filter$2 = filter$1;

	var nativeGetOwnPropertyNames = objectGetOwnPropertyNames.f;

	var toString$1 = {}.toString;

	var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
	  ? Object.getOwnPropertyNames(window) : [];

	var getWindowNames = function (it) {
	  try {
	    return nativeGetOwnPropertyNames(it);
	  } catch (error) {
	    return windowNames.slice();
	  }
	};

	// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
	var f$5 = function getOwnPropertyNames(it) {
	  return windowNames && toString$1.call(it) == '[object Window]'
	    ? getWindowNames(it)
	    : nativeGetOwnPropertyNames(toIndexedObject(it));
	};

	var objectGetOwnPropertyNamesExternal = {
		f: f$5
	};

	var f$6 = wellKnownSymbol;

	var wrappedWellKnownSymbol = {
		f: f$6
	};

	var defineProperty$3 = objectDefineProperty.f;

	var defineWellKnownSymbol = function (NAME) {
	  var Symbol = path.Symbol || (path.Symbol = {});
	  if (!has(Symbol, NAME)) defineProperty$3(Symbol, NAME, {
	    value: wrappedWellKnownSymbol.f(NAME)
	  });
	};

	var $forEach$1 = arrayIteration.forEach;

	var HIDDEN = sharedKey('hidden');
	var SYMBOL = 'Symbol';
	var PROTOTYPE$1 = 'prototype';
	var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
	var setInternalState$1 = internalState.set;
	var getInternalState$1 = internalState.getterFor(SYMBOL);
	var ObjectPrototype$1 = Object[PROTOTYPE$1];
	var $Symbol = global_1.Symbol;
	var JSON$1 = global_1.JSON;
	var nativeJSONStringify = JSON$1 && JSON$1.stringify;
	var nativeGetOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;
	var nativeDefineProperty$1 = objectDefineProperty.f;
	var nativeGetOwnPropertyNames$1 = objectGetOwnPropertyNamesExternal.f;
	var nativePropertyIsEnumerable$1 = objectPropertyIsEnumerable.f;
	var AllSymbols = shared('symbols');
	var ObjectPrototypeSymbols = shared('op-symbols');
	var StringToSymbolRegistry = shared('string-to-symbol-registry');
	var SymbolToStringRegistry = shared('symbol-to-string-registry');
	var WellKnownSymbolsStore = shared('wks');
	var QObject = global_1.QObject;
	// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
	var USE_SETTER = !QObject || !QObject[PROTOTYPE$1] || !QObject[PROTOTYPE$1].findChild;

	// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
	var setSymbolDescriptor = descriptors && fails(function () {
	  return objectCreate(nativeDefineProperty$1({}, 'a', {
	    get: function () { return nativeDefineProperty$1(this, 'a', { value: 7 }).a; }
	  })).a != 7;
	}) ? function (O, P, Attributes) {
	  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor$2(ObjectPrototype$1, P);
	  if (ObjectPrototypeDescriptor) delete ObjectPrototype$1[P];
	  nativeDefineProperty$1(O, P, Attributes);
	  if (ObjectPrototypeDescriptor && O !== ObjectPrototype$1) {
	    nativeDefineProperty$1(ObjectPrototype$1, P, ObjectPrototypeDescriptor);
	  }
	} : nativeDefineProperty$1;

	var wrap = function (tag, description) {
	  var symbol = AllSymbols[tag] = objectCreate($Symbol[PROTOTYPE$1]);
	  setInternalState$1(symbol, {
	    type: SYMBOL,
	    tag: tag,
	    description: description
	  });
	  if (!descriptors) symbol.description = description;
	  return symbol;
	};

	var isSymbol = nativeSymbol && typeof $Symbol.iterator == 'symbol' ? function (it) {
	  return typeof it == 'symbol';
	} : function (it) {
	  return Object(it) instanceof $Symbol;
	};

	var $defineProperty = function defineProperty(O, P, Attributes) {
	  if (O === ObjectPrototype$1) $defineProperty(ObjectPrototypeSymbols, P, Attributes);
	  anObject(O);
	  var key = toPrimitive(P, true);
	  anObject(Attributes);
	  if (has(AllSymbols, key)) {
	    if (!Attributes.enumerable) {
	      if (!has(O, HIDDEN)) nativeDefineProperty$1(O, HIDDEN, createPropertyDescriptor(1, {}));
	      O[HIDDEN][key] = true;
	    } else {
	      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;
	      Attributes = objectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
	    } return setSymbolDescriptor(O, key, Attributes);
	  } return nativeDefineProperty$1(O, key, Attributes);
	};

	var $defineProperties = function defineProperties(O, Properties) {
	  anObject(O);
	  var properties = toIndexedObject(Properties);
	  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
	  $forEach$1(keys, function (key) {
	    if (!descriptors || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);
	  });
	  return O;
	};

	var $create = function create(O, Properties) {
	  return Properties === undefined ? objectCreate(O) : $defineProperties(objectCreate(O), Properties);
	};

	var $propertyIsEnumerable = function propertyIsEnumerable(V) {
	  var P = toPrimitive(V, true);
	  var enumerable = nativePropertyIsEnumerable$1.call(this, P);
	  if (this === ObjectPrototype$1 && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;
	  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
	};

	var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
	  var it = toIndexedObject(O);
	  var key = toPrimitive(P, true);
	  if (it === ObjectPrototype$1 && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;
	  var descriptor = nativeGetOwnPropertyDescriptor$2(it, key);
	  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
	    descriptor.enumerable = true;
	  }
	  return descriptor;
	};

	var $getOwnPropertyNames = function getOwnPropertyNames(O) {
	  var names = nativeGetOwnPropertyNames$1(toIndexedObject(O));
	  var result = [];
	  $forEach$1(names, function (key) {
	    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);
	  });
	  return result;
	};

	var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
	  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype$1;
	  var names = nativeGetOwnPropertyNames$1(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
	  var result = [];
	  $forEach$1(names, function (key) {
	    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype$1, key))) {
	      result.push(AllSymbols[key]);
	    }
	  });
	  return result;
	};

	// `Symbol` constructor
	// https://tc39.github.io/ecma262/#sec-symbol-constructor
	if (!nativeSymbol) {
	  $Symbol = function Symbol() {
	    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');
	    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
	    var tag = uid(description);
	    var setter = function (value) {
	      if (this === ObjectPrototype$1) setter.call(ObjectPrototypeSymbols, value);
	      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
	      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
	    };
	    if (descriptors && USE_SETTER) setSymbolDescriptor(ObjectPrototype$1, tag, { configurable: true, set: setter });
	    return wrap(tag, description);
	  };

	  redefine($Symbol[PROTOTYPE$1], 'toString', function toString() {
	    return getInternalState$1(this).tag;
	  });

	  objectPropertyIsEnumerable.f = $propertyIsEnumerable;
	  objectDefineProperty.f = $defineProperty;
	  objectGetOwnPropertyDescriptor.f = $getOwnPropertyDescriptor;
	  objectGetOwnPropertyNames.f = objectGetOwnPropertyNamesExternal.f = $getOwnPropertyNames;
	  objectGetOwnPropertySymbols.f = $getOwnPropertySymbols;

	  if (descriptors) {
	    // https://github.com/tc39/proposal-Symbol-description
	    nativeDefineProperty$1($Symbol[PROTOTYPE$1], 'description', {
	      configurable: true,
	      get: function description() {
	        return getInternalState$1(this).description;
	      }
	    });
	  }

	  wrappedWellKnownSymbol.f = function (name) {
	    return wrap(wellKnownSymbol(name), name);
	  };
	}

	_export({ global: true, wrap: true, forced: !nativeSymbol, sham: !nativeSymbol }, {
	  Symbol: $Symbol
	});

	$forEach$1(objectKeys(WellKnownSymbolsStore), function (name) {
	  defineWellKnownSymbol(name);
	});

	_export({ target: SYMBOL, stat: true, forced: !nativeSymbol }, {
	  // `Symbol.for` method
	  // https://tc39.github.io/ecma262/#sec-symbol.for
	  'for': function (key) {
	    var string = String(key);
	    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];
	    var symbol = $Symbol(string);
	    StringToSymbolRegistry[string] = symbol;
	    SymbolToStringRegistry[symbol] = string;
	    return symbol;
	  },
	  // `Symbol.keyFor` method
	  // https://tc39.github.io/ecma262/#sec-symbol.keyfor
	  keyFor: function keyFor(sym) {
	    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');
	    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];
	  },
	  useSetter: function () { USE_SETTER = true; },
	  useSimple: function () { USE_SETTER = false; }
	});

	_export({ target: 'Object', stat: true, forced: !nativeSymbol, sham: !descriptors }, {
	  // `Object.create` method
	  // https://tc39.github.io/ecma262/#sec-object.create
	  create: $create,
	  // `Object.defineProperty` method
	  // https://tc39.github.io/ecma262/#sec-object.defineproperty
	  defineProperty: $defineProperty,
	  // `Object.defineProperties` method
	  // https://tc39.github.io/ecma262/#sec-object.defineproperties
	  defineProperties: $defineProperties,
	  // `Object.getOwnPropertyDescriptor` method
	  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
	  getOwnPropertyDescriptor: $getOwnPropertyDescriptor
	});

	_export({ target: 'Object', stat: true, forced: !nativeSymbol }, {
	  // `Object.getOwnPropertyNames` method
	  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames
	  getOwnPropertyNames: $getOwnPropertyNames,
	  // `Object.getOwnPropertySymbols` method
	  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols
	  getOwnPropertySymbols: $getOwnPropertySymbols
	});

	// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
	// https://bugs.chromium.org/p/v8/issues/detail?id=3443
	_export({ target: 'Object', stat: true, forced: fails(function () { objectGetOwnPropertySymbols.f(1); }) }, {
	  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
	    return objectGetOwnPropertySymbols.f(toObject(it));
	  }
	});

	// `JSON.stringify` method behavior with symbols
	// https://tc39.github.io/ecma262/#sec-json.stringify
	JSON$1 && _export({ target: 'JSON', stat: true, forced: !nativeSymbol || fails(function () {
	  var symbol = $Symbol();
	  // MS Edge converts symbol values to JSON as {}
	  return nativeJSONStringify([symbol]) != '[null]'
	    // WebKit converts symbol values to JSON as null
	    || nativeJSONStringify({ a: symbol }) != '{}'
	    // V8 throws on boxed symbols
	    || nativeJSONStringify(Object(symbol)) != '{}';
	}) }, {
	  stringify: function stringify(it) {
	    var args = [it];
	    var index = 1;
	    var replacer, $replacer;
	    while (arguments.length > index) args.push(arguments[index++]);
	    $replacer = replacer = args[1];
	    if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
	    if (!isArray(replacer)) replacer = function (key, value) {
	      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
	      if (!isSymbol(value)) return value;
	    };
	    args[1] = replacer;
	    return nativeJSONStringify.apply(JSON$1, args);
	  }
	});

	// `Symbol.prototype[@@toPrimitive]` method
	// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive
	if (!$Symbol[PROTOTYPE$1][TO_PRIMITIVE]) hide($Symbol[PROTOTYPE$1], TO_PRIMITIVE, $Symbol[PROTOTYPE$1].valueOf);
	// `Symbol.prototype[@@toStringTag]` property
	// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag
	setToStringTag($Symbol, SYMBOL);

	hiddenKeys[HIDDEN] = true;

	var getOwnPropertySymbols = path.Object.getOwnPropertySymbols;

	var getOwnPropertySymbols$1 = getOwnPropertySymbols;

	var getOwnPropertySymbols$2 = getOwnPropertySymbols$1;

	var FAILS_ON_PRIMITIVES$1 = fails(function () { objectKeys(1); });

	// `Object.keys` method
	// https://tc39.github.io/ecma262/#sec-object.keys
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$1 }, {
	  keys: function keys(it) {
	    return objectKeys(toObject(it));
	  }
	});

	var keys$1 = path.Object.keys;

	var keys$2 = keys$1;

	var keys$3 = keys$2;

	var defineProperty$4 = defineProperty_1;

	var defineProperty$5 = defineProperty$4;

	function _defineProperty(obj, key, value) {
	  if (key in obj) {
	    defineProperty$5(obj, key, {
	      value: value,
	      enumerable: true,
	      configurable: true,
	      writable: true
	    });
	  } else {
	    obj[key] = value;
	  }

	  return obj;
	}

	var defineProperty$6 = _defineProperty;

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

	var slice = [].slice;
	var MSIE = /MSIE .\./.test(userAgent); // <- dirty ie9- check

	var wrap$1 = function (scheduler) {
	  return function (handler, timeout /* , ...arguments */) {
	    var boundArgs = arguments.length > 2;
	    var args = boundArgs ? slice.call(arguments, 2) : undefined;
	    return scheduler(boundArgs ? function () {
	      // eslint-disable-next-line no-new-func
	      (typeof handler == 'function' ? handler : Function(handler)).apply(this, args);
	    } : handler, timeout);
	  };
	};

	// ie9- setTimeout & setInterval additional parameters fix
	// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
	_export({ global: true, bind: true, forced: MSIE }, {
	  // `setTimeout` method
	  // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-settimeout
	  setTimeout: wrap$1(global_1.setTimeout),
	  // `setInterval` method
	  // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-setinterval
	  setInterval: wrap$1(global_1.setInterval)
	});

	var setTimeout$1 = path.setTimeout;

	var setTimeout$2 = setTimeout$1;

	var slice$1 = [].slice;
	var factories = {};

	var construct = function (C, argsLength, args) {
	  if (!(argsLength in factories)) {
	    for (var list = [], i = 0; i < argsLength; i++) list[i] = 'a[' + i + ']';
	    // eslint-disable-next-line no-new-func
	    factories[argsLength] = Function('C,a', 'return new C(' + list.join(',') + ')');
	  } return factories[argsLength](C, args);
	};

	// `Function.prototype.bind` method implementation
	// https://tc39.github.io/ecma262/#sec-function.prototype.bind
	var functionBind = Function.bind || function bind(that /* , ...args */) {
	  var fn = aFunction(this);
	  var partArgs = slice$1.call(arguments, 1);
	  var boundFunction = function bound(/* args... */) {
	    var args = partArgs.concat(slice$1.call(arguments));
	    return this instanceof boundFunction ? construct(fn, args.length, args) : fn.apply(that, args);
	  };
	  if (isObject(fn.prototype)) boundFunction.prototype = fn.prototype;
	  return boundFunction;
	};

	// `Function.prototype.bind` method
	// https://tc39.github.io/ecma262/#sec-function.prototype.bind
	_export({ target: 'Function', proto: true }, {
	  bind: functionBind
	});

	var bind = entryVirtual('Function').bind;

	var FunctionPrototype = Function.prototype;

	var bind_1 = function (it) {
	  var own = it.bind;
	  return it === FunctionPrototype || (it instanceof Function && own === FunctionPrototype.bind) ? bind : own;
	};

	var bind$1 = bind_1;

	var bind$2 = bind$1;

	var SPECIES$2 = wellKnownSymbol('species');
	var nativeSlice = [].slice;
	var max$1 = Math.max;

	// `Array.prototype.slice` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.slice
	// fallback for not array-like ES3 strings and DOM objects
	_export({ target: 'Array', proto: true, forced: !arrayMethodHasSpeciesSupport('slice') }, {
	  slice: function slice(start, end) {
	    var O = toIndexedObject(this);
	    var length = toLength(O.length);
	    var k = toAbsoluteIndex(start, length);
	    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
	    // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
	    var Constructor, result, n;
	    if (isArray(O)) {
	      Constructor = O.constructor;
	      // cross-realm fallback
	      if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
	        Constructor = undefined;
	      } else if (isObject(Constructor)) {
	        Constructor = Constructor[SPECIES$2];
	        if (Constructor === null) Constructor = undefined;
	      }
	      if (Constructor === Array || Constructor === undefined) {
	        return nativeSlice.call(O, k, fin);
	      }
	    }
	    result = new (Constructor === undefined ? Array : Constructor)(max$1(fin - k, 0));
	    for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
	    result.length = n;
	    return result;
	  }
	});

	var slice$2 = entryVirtual('Array').slice;

	var ArrayPrototype$2 = Array.prototype;

	var slice_1 = function (it) {
	  var own = it.slice;
	  return it === ArrayPrototype$2 || (it instanceof Array && own === ArrayPrototype$2.slice) ? slice$2 : own;
	};

	var slice$3 = slice_1;

	var slice$4 = slice$3;

	// 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 + '*$');

	// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
	var createMethod$2 = function (TYPE) {
	  return function ($this) {
	    var string = String(requireObjectCoercible($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.github.io/ecma262/#sec-string.prototype.trimstart
	  start: createMethod$2(1),
	  // `String.prototype.{ trimRight, trimEnd }` methods
	  // https://tc39.github.io/ecma262/#sec-string.prototype.trimend
	  end: createMethod$2(2),
	  // `String.prototype.trim` method
	  // https://tc39.github.io/ecma262/#sec-string.prototype.trim
	  trim: createMethod$2(3)
	};

	var trim = stringTrim.trim;


	var nativeParseInt = global_1.parseInt;
	var hex = /^[+-]?0[Xx]/;
	var FORCED$1 = nativeParseInt(whitespaces + '08') !== 8 || nativeParseInt(whitespaces + '0x16') !== 22;

	// `parseInt` method
	// https://tc39.github.io/ecma262/#sec-parseint-string-radix
	var _parseInt = FORCED$1 ? function parseInt(string, radix) {
	  var S = trim(String(string));
	  return nativeParseInt(S, (radix >>> 0) || (hex.test(S) ? 16 : 10));
	} : nativeParseInt;

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

	var _parseInt$1 = path.parseInt;

	var _parseInt$2 = _parseInt$1;

	var _parseInt$3 = _parseInt$2;

	// `Array.isArray` method
	// https://tc39.github.io/ecma262/#sec-array.isarray
	_export({ target: 'Array', stat: true }, {
	  isArray: isArray
	});

	var isArray$1 = path.Array.isArray;

	var isArray$2 = isArray$1;

	var isArray$3 = isArray$2;

	function _arrayWithHoles(arr) {
	  if (isArray$3(arr)) return arr;
	}

	var arrayWithHoles = _arrayWithHoles;

	// `String.prototype.{ codePointAt, at }` methods implementation
	var createMethod$3 = function (CONVERT_TO_STRING) {
	  return function ($this, pos) {
	    var S = String(requireObjectCoercible($this));
	    var position = toInteger(pos);
	    var size = S.length;
	    var first, second;
	    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
	    first = S.charCodeAt(position);
	    return first < 0xD800 || first > 0xDBFF || position + 1 === size
	      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF
	        ? CONVERT_TO_STRING ? S.charAt(position) : first
	        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
	  };
	};

	var stringMultibyte = {
	  // `String.prototype.codePointAt` method
	  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
	  codeAt: createMethod$3(false),
	  // `String.prototype.at` method
	  // https://github.com/mathiasbynens/String.prototype.at
	  charAt: createMethod$3(true)
	};

	var charAt = stringMultibyte.charAt;



	var STRING_ITERATOR = 'String Iterator';
	var setInternalState$2 = internalState.set;
	var getInternalState$2 = internalState.getterFor(STRING_ITERATOR);

	// `String.prototype[@@iterator]` method
	// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
	defineIterator(String, 'String', function (iterated) {
	  setInternalState$2(this, {
	    type: STRING_ITERATOR,
	    string: String(iterated),
	    index: 0
	  });
	// `%StringIteratorPrototype%.next` method
	// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next
	}, function next() {
	  var state = getInternalState$2(this);
	  var string = state.string;
	  var index = state.index;
	  var point;
	  if (index >= string.length) return { value: undefined, done: true };
	  point = charAt(string, index);
	  state.index += point.length;
	  return { value: point, done: false };
	});

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

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

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

	var getIterator$1 = getIterator;

	var getIterator$2 = getIterator$1;

	var ITERATOR$3 = wellKnownSymbol('iterator');

	var isIterable = function (it) {
	  var O = Object(it);
	  return O[ITERATOR$3] !== undefined
	    || '@@iterator' in O
	    // eslint-disable-next-line no-prototype-builtins
	    || iterators.hasOwnProperty(classof(O));
	};

	var isIterable$1 = isIterable;

	var isIterable$2 = isIterable$1;

	function _iterableToArrayLimit(arr, i) {
	  if (!(isIterable$2(Object(arr)) || Object.prototype.toString.call(arr) === "[object Arguments]")) {
	    return;
	  }

	  var _arr = [];
	  var _n = true;
	  var _d = false;
	  var _e = undefined;

	  try {
	    for (var _i = getIterator$2(arr), _s; !(_n = (_s = _i.next()).done); _n = true) {
	      _arr.push(_s.value);

	      if (i && _arr.length === i) break;
	    }
	  } catch (err) {
	    _d = true;
	    _e = err;
	  } finally {
	    try {
	      if (!_n && _i["return"] != null) _i["return"]();
	    } finally {
	      if (_d) throw _e;
	    }
	  }

	  return _arr;
	}

	var iterableToArrayLimit = _iterableToArrayLimit;

	function _nonIterableRest() {
	  throw new TypeError("Invalid attempt to destructure non-iterable instance");
	}

	var nonIterableRest = _nonIterableRest;

	function _slicedToArray(arr, i) {
	  return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || nonIterableRest();
	}

	var slicedToArray = _slicedToArray;

	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$2 = !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$2 }, {
	  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 concat = entryVirtual('Array').concat;

	var ArrayPrototype$3 = Array.prototype;

	var concat_1 = function (it) {
	  var own = it.concat;
	  return it === ArrayPrototype$3 || (it instanceof Array && own === ArrayPrototype$3.concat) ? concat : own;
	};

	var concat$1 = concat_1;

	var concat$2 = concat$1;

	function _arrayWithoutHoles(arr) {
	  if (isArray$3(arr)) {
	    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {
	      arr2[i] = arr[i];
	    }

	    return arr2;
	  }
	}

	var arrayWithoutHoles = _arrayWithoutHoles;

	// call something on iterator step with safe closing on error
	var callWithSafeIterationClosing = function (iterator, fn, value, ENTRIES) {
	  try {
	    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
	  // 7.4.6 IteratorClose(iterator, completion)
	  } catch (error) {
	    var returnMethod = iterator['return'];
	    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
	    throw error;
	  }
	};

	var ITERATOR$4 = wellKnownSymbol('iterator');
	var ArrayPrototype$4 = Array.prototype;

	// check on default Array iterator
	var isArrayIteratorMethod = function (it) {
	  return it !== undefined && (iterators.Array === it || ArrayPrototype$4[ITERATOR$4] === it);
	};

	// `Array.from` method implementation
	// https://tc39.github.io/ecma262/#sec-array.from
	var arrayFrom = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
	  var O = toObject(arrayLike);
	  var C = typeof this == 'function' ? this : Array;
	  var argumentsLength = arguments.length;
	  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
	  var mapping = mapfn !== undefined;
	  var index = 0;
	  var iteratorMethod = getIteratorMethod(O);
	  var length, result, step, iterator;
	  if (mapping) mapfn = bindContext(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
	  // if the target is not iterable or it's an array with the default iterator - use a simple case
	  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
	    iterator = iteratorMethod.call(O);
	    result = new C();
	    for (;!(step = iterator.next()).done; index++) {
	      createProperty(result, index, mapping
	        ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true)
	        : step.value
	      );
	    }
	  } else {
	    length = toLength(O.length);
	    result = new C(length);
	    for (;length > index; index++) {
	      createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
	    }
	  }
	  result.length = index;
	  return result;
	};

	var ITERATOR$5 = wellKnownSymbol('iterator');
	var SAFE_CLOSING = false;

	try {
	  var called = 0;
	  var iteratorWithReturn = {
	    next: function () {
	      return { done: !!called++ };
	    },
	    'return': function () {
	      SAFE_CLOSING = true;
	    }
	  };
	  iteratorWithReturn[ITERATOR$5] = function () {
	    return this;
	  };
	} catch (error) { /* empty */ }

	var checkCorrectnessOfIteration = function (exec, SKIP_CLOSING) {
	  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
	  var ITERATION_SUPPORT = false;
	  try {
	    var object = {};
	    object[ITERATOR$5] = function () {
	      return {
	        next: function () {
	          return { done: ITERATION_SUPPORT = true };
	        }
	      };
	    };
	    exec(object);
	  } catch (error) { /* empty */ }
	  return ITERATION_SUPPORT;
	};

	var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
	});

	// `Array.from` method
	// https://tc39.github.io/ecma262/#sec-array.from
	_export({ target: 'Array', stat: true, forced: INCORRECT_ITERATION }, {
	  from: arrayFrom
	});

	var from_1 = path.Array.from;

	var from_1$1 = from_1;

	var from_1$2 = from_1$1;

	function _iterableToArray(iter) {
	  if (isIterable$2(Object(iter)) || Object.prototype.toString.call(iter) === "[object Arguments]") return from_1$2(iter);
	}

	var iterableToArray = _iterableToArray;

	function _nonIterableSpread() {
	  throw new TypeError("Invalid attempt to spread non-iterable instance");
	}

	var nonIterableSpread = _nonIterableSpread;

	function _toConsumableArray(arr) {
	  return arrayWithoutHoles(arr) || iterableToArray(arr) || nonIterableSpread();
	}

	var toConsumableArray = _toConsumableArray;

	var $map = arrayIteration.map;


	// `Array.prototype.map` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.map
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !arrayMethodHasSpeciesSupport('map') }, {
	  map: function map(callbackfn /* , thisArg */) {
	    return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

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

	var ArrayPrototype$5 = Array.prototype;

	var map_1 = function (it) {
	  var own = it.map;
	  return it === ArrayPrototype$5 || (it instanceof Array && own === ArrayPrototype$5.map) ? map : own;
	};

	var map$1 = map_1;

	var map$2 = map$1;

	var from_1$3 = from_1;

	var from_1$4 = from_1$3;

	var $includes = arrayIncludes.includes;


	// `Array.prototype.includes` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.includes
	_export({ target: 'Array', proto: true }, {
	  includes: function includes(el /* , fromIndex = 0 */) {
	    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

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

	var MATCH = wellKnownSymbol('match');

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

	var notARegexp = function (it) {
	  if (isRegexp(it)) {
	    throw TypeError("The method doesn't accept regular expressions");
	  } return it;
	};

	var MATCH$1 = wellKnownSymbol('match');

	var correctIsRegexpLogic = function (METHOD_NAME) {
	  var regexp = /./;
	  try {
	    '/./'[METHOD_NAME](regexp);
	  } catch (e) {
	    try {
	      regexp[MATCH$1] = false;
	      return '/./'[METHOD_NAME](regexp);
	    } catch (f) { /* empty */ }
	  } return false;
	};

	// `String.prototype.includes` method
	// https://tc39.github.io/ecma262/#sec-string.prototype.includes
	_export({ target: 'String', proto: true, forced: !correctIsRegexpLogic('includes') }, {
	  includes: function includes(searchString /* , position = 0 */) {
	    return !!~String(requireObjectCoercible(this))
	      .indexOf(notARegexp(searchString), arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var includes$1 = entryVirtual('String').includes;

	var ArrayPrototype$6 = Array.prototype;
	var StringPrototype = String.prototype;

	var includes$2 = function (it) {
	  var own = it.includes;
	  if (it === ArrayPrototype$6 || (it instanceof Array && own === ArrayPrototype$6.includes)) return includes;
	  if (typeof it === 'string' || it === StringPrototype || (it instanceof String && own === StringPrototype.includes)) {
	    return includes$1;
	  } return own;
	};

	var includes$3 = includes$2;

	var includes$4 = includes$3;

	var $indexOf = arrayIncludes.indexOf;


	var nativeIndexOf = [].indexOf;

	var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
	var SLOPPY_METHOD = sloppyArrayMethod('indexOf');

	// `Array.prototype.indexOf` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
	_export({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || SLOPPY_METHOD }, {
	  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
	    return NEGATIVE_ZERO
	      // convert -0 to +0
	      ? nativeIndexOf.apply(this, arguments) || 0
	      : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var indexOf$1 = entryVirtual('Array').indexOf;

	var ArrayPrototype$7 = Array.prototype;

	var indexOf_1 = function (it) {
	  var own = it.indexOf;
	  return it === ArrayPrototype$7 || (it instanceof Array && own === ArrayPrototype$7.indexOf) ? indexOf$1 : own;
	};

	var indexOf$2 = indexOf_1;

	var indexOf$3 = indexOf$2;

	/**
	 * Returns a function, that, as long as it continues to be invoked, will not
	 * be triggered. The function will be called after it stops being called for
	 * N milliseconds. If `immediate` is passed, trigger the function on the
	 * leading edge, instead of the trailing. The function also has a property 'clear' 
	 * that is a function which will clear the timer to prevent previously scheduled executions. 
	 *
	 * @source underscore.js
	 * @see http://unscriptable.com/2009/03/20/debouncing-javascript-methods/
	 * @param {Function} function to wrap
	 * @param {Number} timeout in ms (`100`)
	 * @param {Boolean} whether to execute at the beginning (`false`)
	 * @api public
	 */
	function debounce(func, wait, immediate){
	  var timeout, args, context, timestamp, result;
	  if (null == wait) wait = 100;

	  function later() {
	    var last = Date.now() - timestamp;

	    if (last < wait && last >= 0) {
	      timeout = setTimeout(later, wait - last);
	    } else {
	      timeout = null;
	      if (!immediate) {
	        result = func.apply(context, args);
	        context = args = null;
	      }
	    }
	  }
	  var debounced = function(){
	    context = this;
	    args = arguments;
	    timestamp = Date.now();
	    var callNow = immediate && !timeout;
	    if (!timeout) timeout = setTimeout(later, wait);
	    if (callNow) {
	      result = func.apply(context, args);
	      context = args = null;
	    }

	    return result;
	  };

	  debounced.clear = function() {
	    if (timeout) {
	      clearTimeout(timeout);
	      timeout = null;
	    }
	  };
	  
	  debounced.flush = function() {
	    if (timeout) {
	      result = func.apply(context, args);
	      context = args = null;
	      
	      clearTimeout(timeout);
	      timeout = null;
	    }
	  };

	  return debounced;
	}
	// Adds compatibility for ES modules
	debounce.debounce = debounce;

	var debounce_1 = debounce;

	var propertyIsEnumerable = objectPropertyIsEnumerable.f;

	// `Object.{ entries, values }` methods implementation
	var createMethod$4 = function (TO_ENTRIES) {
	  return function (it) {
	    var O = toIndexedObject(it);
	    var keys = objectKeys(O);
	    var length = keys.length;
	    var i = 0;
	    var result = [];
	    var key;
	    while (length > i) {
	      key = keys[i++];
	      if (!descriptors || propertyIsEnumerable.call(O, key)) {
	        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);
	      }
	    }
	    return result;
	  };
	};

	var objectToArray = {
	  // `Object.entries` method
	  // https://tc39.github.io/ecma262/#sec-object.entries
	  entries: createMethod$4(true),
	  // `Object.values` method
	  // https://tc39.github.io/ecma262/#sec-object.values
	  values: createMethod$4(false)
	};

	var $entries = objectToArray.entries;

	// `Object.entries` method
	// https://tc39.github.io/ecma262/#sec-object.entries
	_export({ target: 'Object', stat: true }, {
	  entries: function entries(O) {
	    return $entries(O);
	  }
	});

	var entries = path.Object.entries;

	var entries$1 = entries;

	var entries$2 = entries$1;

	var $JSON = path.JSON || (path.JSON = { stringify: JSON.stringify });

	var stringify = function stringify(it) { // eslint-disable-line no-unused-vars
	  return $JSON.stringify.apply($JSON, arguments);
	};

	var stringify$1 = stringify;

	var stringify$2 = stringify$1;

	// 上报资源类型
	var RESOUCE_TYPE = {
	  IMG: 1,
	  JS: 2,
	  CSS: 3,
	  XHR: 4
	}; // 加载情况

	var LOAD_STATUS = {
	  SUCCESS: 1,
	  FAILED: 0
	}; // 上报默认延时（debounceSendAssetsRequest）

	var WAIT_MILLISECONDS = 2000; // 要处理的 标签

	var MONITOR_TAGS = ['script', 'link', 'img']; // 每一次上报的资源数组最大长度

	var REPORT_MAX_LENGTH = 3; // 连续上报时每个请求之间的间隔时间：毫秒

	var SEND_REQUEST_INTERVAL = 100;

	function encodeData(data) {
	  return encodeURIComponent(stringify$2(data));
	}
	function serialize(data) {
	  var _context;

	  return map$2(_context = entries$2(data || {})).call(_context, function (_ref) {
	    var _context2;

	    var _ref2 = slicedToArray(_ref, 2),
	        key = _ref2[0],
	        value = _ref2[1];

	    return concat$2(_context2 = "".concat(encodeURIComponent(key), "=")).call(_context2, encodeURIComponent(value));
	  }).join('&');
	}
	function sendRequest(url, data, cb) {
	  var _context3;

	  var img = new Image();
	  if (cb) setTimeout$2(cb, SEND_REQUEST_INTERVAL); // onload event will not trigger.

	  img.src = concat$2(_context3 = "".concat(url, "?")).call(_context3, serialize(data));
	}
	function getUrl(element) {
	  if (!element.tagName) return '';

	  switch (element.tagName.toLowerCase()) {
	    case 'img':
	    case 'script':
	      return element.src;

	    case 'link':
	      return element.href;

	    case 'xhr':
	      return element.url;

	    default:
	      return '';
	  }
	}
	function getResourceType(element) {
	  if (!element.tagName) return '';

	  switch (element.tagName.toLowerCase()) {
	    case 'img':
	      return RESOUCE_TYPE.IMG;

	    case 'script':
	      return RESOUCE_TYPE.JS;

	    case 'link':
	      return RESOUCE_TYPE.CSS;

	    case 'xhr':
	      return RESOUCE_TYPE.XHR;

	    default:
	      return '';
	  }
	}
	function setPropToInt() {
	  var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
	  var data = {}; // eslint-disable-next-line no-restricted-syntax

	  for (var prop in obj) {
	    if (typeof obj[prop] === 'number') {
	      data[prop] = Math.round(obj[prop]);
	    } else if (prop !== 'toJSON') {
	      data[prop] = obj[prop];
	    }
	  }

	  return data;
	}

	function ownKeys$1(object, enumerableOnly) { var keys = keys$3(object); if (getOwnPropertySymbols$2) { var symbols = getOwnPropertySymbols$2(object); if (enumerableOnly) symbols = filter$2(symbols).call(symbols, function (sym) { return getOwnPropertyDescriptor$3(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

	function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { var _context8; forEach$2(_context8 = ownKeys$1(source, true)).call(_context8, function (key) { defineProperty$6(target, key, source[key]); }); } else if (getOwnPropertyDescriptors$2) { defineProperties$1(target, getOwnPropertyDescriptors$2(source)); } else { var _context9; forEach$2(_context9 = ownKeys$1(source)).call(_context9, function (key) { defineProperty$1(target, key, getOwnPropertyDescriptor$3(source, key)); }); } } return target; }
	var customPageUrl = '';
	var $pageUrl = document.querySelector('meta[name=bigo-report-page-url]');

	if ($pageUrl) {
	  customPageUrl = $pageUrl.getAttribute('content');
	} // 是否支持performance


	var IS_SUPPORT_PERFORMANCE = window.performance && typeof window.performance.getEntriesByName === 'function';
	var ALL_ASSTES = []; // 存放页面所有上报过的资源

	var isInSample = false; // 是否在样本中，在则需要上报

	var sendRequest$1 = null; // 上报请求

	var debounceSendAssetsRequest = null; // 资源上报

	var cachedData = []; // 缓存页面 onload 后的监控数据

	var isWindowLoaded = false; // 检测是否初次加载页面，是则累计上报

	var cachedDataBeforeLoad = []; // 缓存页面 onload 前的监控数据
	// 根据采样率，判断是否上报

	function isNeedReport() {
	  return isInSample && IS_SUPPORT_PERFORMANCE;
	} // 是否忽略采样率

	function isIgnoreSample(elem, isLoadSuccess) {
	  var isXhrError = getResourceType(elem) === RESOUCE_TYPE.XHR && !isLoadSuccess; // 接口错误时采样率为1

	  return !!isXhrError;
	} // 获取 外部资源/接口 上报数据


	function getElemReportData(elem, isLoadSuccess) {
	  var time = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
	  if (!elem) return null;
	  var url = getUrl(elem); // 资源url

	  if (!url || url.search('chrome-extension') > -1) return null;
	  var entries = {};
	  var costTime = time;

	  if (IS_SUPPORT_PERFORMANCE) {
	    var entiresArr = window.performance.getEntriesByName(url);

	    if (entiresArr.length) {
	      entries = setPropToInt(entiresArr[entiresArr.length - 1]);
	      costTime = entries.duration;
	    }
	  }

	  return {
	    url: url,
	    // 资源url
	    success: isLoadSuccess,
	    // 是否成功
	    cost_time: costTime,
	    // 请求+下载+解析 耗时
	    resource_type: getResourceType(elem),
	    // 资源类型
	    page_url: customPageUrl || window.location.href,
	    // 项目url
	    success_performance: encodeData(entries || {}) // performance整个对象

	  };
	} // 外部资源 上报/缓存


	function report(elem, isLoadSuccess) {
	  var time = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
	  var errorType = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '';
	  var errorMsg = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : '';
	  var statusCode = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : '';
	  var extendData = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : {};

	  try {
	    if (!isIgnoreSample(elem, isLoadSuccess) && !isNeedReport()) return;
	    var data = getElemReportData(elem, isLoadSuccess, time);

	    if (data) {
	      var _context;

	      // 图片，过滤base64
	      if (data.resource_type === RESOUCE_TYPE.IMG && indexOf$3(_context = data.url).call(_context, 'data:image/png;base64') > -1) return; // 非接口，且已加载过

	      if (data.resource_type !== RESOUCE_TYPE.XHR && includes$4(ALL_ASSTES).call(ALL_ASSTES, data.url)) return;
	      ALL_ASSTES.push(data.url); // 接口，增加失败信息

	      if (data.resource_type === RESOUCE_TYPE.XHR) {
	        data.error_type = errorType || ''; // 失败类型: 1 超时类，2 status !== 200类，3 其他错误

	        data.error_msg = errorMsg || ''; // 失败具体信息

	        data.status_code = statusCode || ''; // 失败状态码

	        data = _objectSpread({}, data, {}, extendData || {}); // 拼上 业务要上报的数据
	      } // 上报数据
	      // console.log(data)


	      if (isWindowLoaded) {
	        cachedData.push(data);
	        debounceSendAssetsRequest();
	      } else {
	        cachedDataBeforeLoad.push(data);
	      }
	    }
	  } catch (err) {
	    console.error(err);
	  }
	} // 监听onload onerror


	function listenLoadEvent(elem) {
	  elem.addEventListener('load', function () {
	    return report(elem, LOAD_STATUS.SUCCESS);
	  });
	  elem.addEventListener('error', function () {
	    return report(elem, LOAD_STATUS.FAILED);
	  });
	} // 监听动态插入的标签


	function observeTagInsert() {
	  if (!window.MutationObserver) return;
	  var config = {
	    attributes: false,
	    childList: true,
	    subtree: false
	  };
	  var observer = new MutationObserver(function (mutationsList) {
	    var _context2;

	    forEach$2(_context2 = from_1$4(mutationsList)).call(_context2, function (mutation) {
	      if (mutation.type === 'childList') {
	        var _context3;

	        forEach$2(_context3 = from_1$4(mutation.addedNodes)).call(_context3, function (elem) {
	          var tagName = elem.tagName;

	          if (tagName && includes$4(MONITOR_TAGS).call(MONITOR_TAGS, tagName.toLowerCase())) {
	            listenLoadEvent(elem); // 监听 请求成功/失败
	          }
	        });
	      }
	    });
	  });
	  observer.observe(document.head, config); // body非动态加载的资源

	  document.onreadystatechange = function () {
	    if (document.readyState === 'interactive') {
	      observer.observe(document.body, config);
	    }
	  };
	} // onload前 js加载 用时最长的资源的时长


	function getJsCostTimeBeforeLoad() {
	  var _context4;

	  var costTimeArr = map$2(cachedDataBeforeLoad).call(cachedDataBeforeLoad, function (item) {
	    return item.resource_type === RESOUCE_TYPE.JS ? item.cost_time : 0;
	  });

	  return Math.max.apply(Math, concat$2(_context4 = toConsumableArray(costTimeArr)).call(_context4, [0]));
	} // 页面性能上报，参数：采样率


	function sendPerformanceRequest() {
	  var sampleRate = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
	  if (!IS_SUPPORT_PERFORMANCE) return; // FP/FCP

	  var paintArr = from_1$4(performance.getEntriesByType('paint'));

	  var _ref = paintArr.length ? paintArr : [{}, {}],
	      _ref2 = slicedToArray(_ref, 2),
	      fp = _ref2[0],
	      fcp = _ref2[1];

	  var paintTime = {
	    FP: fp ? _parseInt$3(fp.duration + fp.startTime, 10) : null,
	    FCP: fcp ? _parseInt$3(fcp.duration + fcp.startTime, 10) : null
	  }; // performance整串数据，按照navigation格式上报
	  // timing 比 naviagtion 多以下属性：domLoading、navigationStart
	  // timing 比 naviagtion 少以下属性：
	  // decodedBodySize、duration、encodedBodySize、entryType、initiatorType、name、nextHopProtocol、
	  // redirectCount、secureConnectionStart、serverTiming、startTime、transferSize、type、workerStart

	  var performanceData = {};
	  var navaigation = performance.getEntriesByType('navigation');

	  if (navaigation && navaigation.length) {
	    performanceData = setPropToInt(navaigation[0]);
	  } else {
	    var timing = window.performance.timing; // eslint-disable-next-line no-restricted-syntax

	    for (var prop in timing) {
	      if (typeof timing[prop] === 'number') {
	        performanceData[prop] = Math.max(timing[prop] - timing.navigationStart, 0);
	      }
	    }
	  } // console.log(navaigation[0])
	  // console.log(performanceData)
	  // 之前上报的数据


	  var dnsTime = performanceData.connectEnd - performanceData.domainLookupStart;
	  var htmlTime = performanceData.responseEnd - performanceData.requestStart;
	  var loadTime = performanceData.loadEventEnd || performanceData.loadEventStart || performanceData.domComplete || performanceData.domInteractive;
	  var jsCostTime = getJsCostTimeBeforeLoad();
	  sendRequest$1({
	    module: 'page_avg_load',
	    url: customPageUrl || window.location.href,
	    // 性能上报的当前页面地址,
	    dns_cost_time: dnsTime,
	    // dns + tcp
	    html_cost_time: htmlTime,
	    // html 请求+下载 耗时
	    js_cost_time: jsCostTime,
	    // js 加载 耗时（取 用时最长的资源的时长）
	    load_cost_time: loadTime,
	    // 页面总加载时间
	    sample_rate: _parseInt$3(sampleRate * 100, 10),
	    // 采样率 1-100
	    paint_time: encodeData(paintTime),
	    // 首个图片加载完成 耗时
	    performance: encodeData(performanceData) // performance整个对象

	  });
	}

	var sendRequestCount = 0; // 外部资源上报

	function sendAssetsRequest(data) {
	  if (data && data.length > 0) {
	    var sendData = [];

	    for (var i = 0; i < data.length; i += REPORT_MAX_LENGTH) {
	      sendData.push(slice$4(data).call(data, i, i + REPORT_MAX_LENGTH));
	    }

	    var j = 0;

	    var oneByOneSend = function oneByOneSend() {
	      sendRequestCount += 1;
	      console.log("assets-load-monitor: send request times is ".concat(sendRequestCount));
	      sendRequest$1({
	        module: 'front_interface_call',
	        data: encodeData(sendData[j])
	      }, function () {
	        j += 1;
	        if (j < sendData.length) oneByOneSend();
	      });
	    };

	    oneByOneSend();
	  }
	} // 遍历body子元素，调用上报函数


	function bodyAssetsPushToCached() {
	  if (document.body) {
	    var _context5;

	    forEach$2(_context5 = from_1$4(document.body.childNodes)).call(_context5, function (elem) {
	      var tagName = elem.tagName;

	      if (tagName && includes$4(MONITOR_TAGS).call(MONITOR_TAGS, tagName.toLowerCase())) {
	        var url = getUrl(elem);

	        if (IS_SUPPORT_PERFORMANCE) {
	          report(elem, window.performance.getEntriesByName(url)[0] ? 1 : 0);
	        }
	      }
	    });
	  }
	} // 初始化


	function init(config) {
	  try {
	    var _context6, _context7;

	    if (config.sampleRate < 0 || config.sampleRate > 1) {
	      console.warn('[sampleRate] should be between 0 and 1');
	    } // 是否在样本中


	    var forceInSample = indexOf$3(_context6 = window.location.href).call(_context6, 'fe_monitor=1') !== -1;
	    isInSample = forceInSample || Math.round(Math.random() * 100) <= config.sampleRate * 100; // if (!isNeedReport()) return
	    // console.log('monitor in sample')
	    // 外部资源上报

	    sendRequest$1 = bind$2(_context7 = sendRequest).call(_context7, null, config.api);
	    debounceSendAssetsRequest = debounce_1(function () {
	      if (cachedData.length) {
	        var sendData = cachedData;
	        cachedData = [];
	        sendAssetsRequest(sendData);
	      }
	    }, config.reportWaitMilliSeconds || WAIT_MILLISECONDS); // 监听动态插入的标签

	    if (isNeedReport()) {
	      observeTagInsert();
	    } // onload


	    window.addEventListener('load', function () {
	      var onloadSend = function onloadSend() {
	        if (isNeedReport()) {
	          // 遍历body子元素，往cachedDataBeforeLoad插入数据
	          bodyAssetsPushToCached(); // 页面性能上报

	          sendPerformanceRequest(config.sampleRate);
	        } // 确保放在 bodyAssetsPushToCached() 之后


	        isWindowLoaded = true;
	        var sendData = cachedDataBeforeLoad;
	        cachedDataBeforeLoad = null; // onload 前资源上报

	        sendAssetsRequest(sendData);
	      }; // 新增 尽量不影响页面主线程


	      if (window.requestIdleCallback) {
	        window.requestIdleCallback(onloadSend);
	      } else {
	        // 为了保证onload后拿到可靠数据，setTimeout处理一下
	        setTimeout$2(onloadSend);
	      }
	    });
	  } catch (e) {
	    console.error(e);
	  }
	} // 对外暴露 上报图片

	function sendImgLoadReport(elem, isSuccess) {
	  report(elem, isSuccess);
	} // 对外暴露 上报接口

	function sendRpcReport(url, isSuccess, time, errorType, errorMsg, statusCode, extendData) {
	  var elem = {
	    url: url,
	    tagName: 'XHR'
	  };
	  report(elem, isSuccess, time, errorType, errorMsg, statusCode, extendData);
	}

	var assetsLoadMonitor = /*#__PURE__*/Object.freeze({
		isNeedReport: isNeedReport,
		init: init,
		sendImgLoadReport: sendImgLoadReport,
		sendRpcReport: sendRpcReport
	});

	function ownKeys$2(object, enumerableOnly) { var keys = keys$3(object); if (getOwnPropertySymbols$2) { var symbols = getOwnPropertySymbols$2(object); if (enumerableOnly) symbols = filter$2(symbols).call(symbols, function (sym) { return getOwnPropertyDescriptor$3(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

	function _objectSpread$1(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { var _context; forEach$2(_context = ownKeys$2(source, true)).call(_context, function (key) { defineProperty$6(target, key, source[key]); }); } else if (getOwnPropertyDescriptors$2) { defineProperties$1(target, getOwnPropertyDescriptors$2(source)); } else { var _context2; forEach$2(_context2 = ownKeys$2(source)).call(_context2, function (key) { defineProperty$1(target, key, getOwnPropertyDescriptor$3(source, key)); }); } } return target; }
	var config = {
	  sampleRate: 0.2,
	  api: 'https://front-perf.like-video.com/api/call',
	  reportWaitMilliseconds: 2000
	};

	if (window.$_PERF_OPTIONS) {
	  config = _objectSpread$1({}, config, {}, window.$_PERF_OPTIONS);
	}

	init(config);

	return assetsLoadMonitor;

}));