vis-network/dist/vis-network.js

A dynamic, browser-based visualization library.

/**
 * vis-network
 * https://visjs.github.io/vis-network/
 *
 * A dynamic, browser-based visualization library.
 *
 * @version 9.1.0
 * @date    2021-08-29T08:47:25.454Z
 *
 * @copyright (c) 2011-2017 Almende B.V, http://almende.com
 * @copyright (c) 2017-2019 visjs contributors, https://github.com/visjs
 *
 * @license
 * vis.js is dual licensed under both
 *
 *   1. The Apache 2.0 License
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *   and
 *
 *   2. The MIT License
 *      http://opensource.org/licenses/MIT
 *
 * vis.js may be distributed under either license.
 */

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

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

	function unwrapExports (x) {
		return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
	}

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

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

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

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

	var getOwnPropertyDescriptor$5 = Object.getOwnPropertyDescriptor; // Nashorn ~ JDK8 bug

	var NASHORN_BUG = getOwnPropertyDescriptor$5 && !$propertyIsEnumerable$1.call({
	  1: 2
	}, 1); // `Object.prototype.propertyIsEnumerable` method implementation
	// https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable

	var f$6 = NASHORN_BUG ? function propertyIsEnumerable(V) {
	  var descriptor = getOwnPropertyDescriptor$5(this, V);
	  return !!descriptor && descriptor.enumerable;
	} : $propertyIsEnumerable$1;
	var objectPropertyIsEnumerable = {
	  f: f$6
	};

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

	var toString$1 = {}.toString;

	var classofRaw = function (it) {
	  return toString$1.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 -- safe
	  return !Object('z').propertyIsEnumerable(0);
	}) ? function (it) {
	  return classofRaw(it) == 'String' ? split.call(it, '') : Object(it);
	} : Object;

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

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

	var isObject$1 = function (it) {
	  return typeof it === 'object' ? it !== null : typeof it === 'function';
	};

	var path = {};

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

	var process = global_1.process;
	var Deno = global_1.Deno;
	var versions = process && process.versions || Deno && Deno.version;
	var v8 = versions && versions.v8;
	var match, version;

	if (v8) {
	  match = v8.split('.');
	  version = match[0] < 4 ? 1 : match[0] + match[1];
	} else if (engineUserAgent) {
	  match = engineUserAgent.match(/Edge\/(\d+)/);

	  if (!match || match[1] >= 74) {
	    match = engineUserAgent.match(/Chrome\/(\d+)/);
	    if (match) version = match[1];
	  }
	}

	var engineV8Version = version && +version;

	/* eslint-disable es/no-symbol -- required for testing */
	// eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing

	var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(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 && engineV8Version && engineV8Version < 41;
	});

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

	var useSymbolAsUid = nativeSymbol && !Symbol.sham && typeof Symbol.iterator == 'symbol';

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

	// https://tc39.es/ecma262/#sec-ordinarytoprimitive

	var ordinaryToPrimitive = function (input, pref) {
	  var fn, val;
	  if (pref === 'string' && typeof (fn = input.toString) == 'function' && !isObject$1(val = fn.call(input))) return val;
	  if (typeof (fn = input.valueOf) == 'function' && !isObject$1(val = fn.call(input))) return val;
	  if (pref !== 'string' && typeof (fn = input.toString) == 'function' && !isObject$1(val = fn.call(input))) return val;
	  throw TypeError("Can't convert object to primitive value");
	};

	var setGlobal = function (key, value) {
	  try {
	    // eslint-disable-next-line es/no-object-defineproperty -- safe
	    Object.defineProperty(global_1, key, {
	      value: value,
	      configurable: true,
	      writable: true
	    });
	  } catch (error) {
	    global_1[key] = value;
	  }

	  return value;
	};

	var SHARED = '__core-js_shared__';
	var store$1 = global_1[SHARED] || setGlobal(SHARED, {});
	var sharedStore = store$1;

	var shared = createCommonjsModule(function (module) {
	  (module.exports = function (key, value) {
	    return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
	  })('versions', []).push({
	    version: '3.16.1',
	    mode: 'pure' ,
	    copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
	  });
	});

	// https://tc39.es/ecma262/#sec-toobject

	var toObject = function (argument) {
	  return Object(requireObjectCoercible(argument));
	};

	var hasOwnProperty = {}.hasOwnProperty;

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

	var id$1 = 0;
	var postfix = Math.random();

	var uid = function (key) {
	  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id$1 + postfix).toString(36);
	};

	var WellKnownSymbolsStore$1 = shared('wks');
	var Symbol$1 = global_1.Symbol;
	var createWellKnownSymbol = useSymbolAsUid ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;

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

	  return WellKnownSymbolsStore$1[name];
	};

	var TO_PRIMITIVE$1 = wellKnownSymbol('toPrimitive'); // `ToPrimitive` abstract operation
	// https://tc39.es/ecma262/#sec-toprimitive

	var toPrimitive = function (input, pref) {
	  if (!isObject$1(input) || isSymbol(input)) return input;
	  var exoticToPrim = input[TO_PRIMITIVE$1];
	  var result;

	  if (exoticToPrim !== undefined) {
	    if (pref === undefined) pref = 'default';
	    result = exoticToPrim.call(input, pref);
	    if (!isObject$1(result) || isSymbol(result)) return result;
	    throw TypeError("Can't convert object to primitive value");
	  }

	  if (pref === undefined) pref = 'number';
	  return ordinaryToPrimitive(input, pref);
	};

	// https://tc39.es/ecma262/#sec-topropertykey

	var toPropertyKey = function (argument) {
	  var key = toPrimitive(argument, 'string');
	  return isSymbol(key) ? key : String(key);
	};

	var document$1 = global_1.document; // typeof document.createElement is 'object' in old IE

	var EXISTS = isObject$1(document$1) && isObject$1(document$1.createElement);

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

	var ie8DomDefine = !descriptors && !fails(function () {
	  // eslint-disable-next-line es/no-object-defineproperty -- requied for testing
	  return Object.defineProperty(documentCreateElement('div'), 'a', {
	    get: function () {
	      return 7;
	    }
	  }).a != 7;
	});

	var $getOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor; // `Object.getOwnPropertyDescriptor` method
	// https://tc39.es/ecma262/#sec-object.getownpropertydescriptor

	var f$5 = descriptors ? $getOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
	  O = toIndexedObject(O);
	  P = toPropertyKey(P);
	  if (ie8DomDefine) try {
	    return $getOwnPropertyDescriptor$1(O, P);
	  } catch (error) {
	    /* empty */
	  }
	  if (has$1(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
	};
	var objectGetOwnPropertyDescriptor = {
	  f: f$5
	};

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

	  return it;
	};

	var functionBindContext = 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 () {
	    return fn.apply(that, arguments);
	  };
	};

	var anObject = function (it) {
	  if (!isObject$1(it)) {
	    throw TypeError(String(it) + ' is not an object');
	  }

	  return it;
	};

	var $defineProperty$1 = Object.defineProperty; // `Object.defineProperty` method
	// https://tc39.es/ecma262/#sec-object.defineproperty

	var f$4 = descriptors ? $defineProperty$1 : function defineProperty(O, P, Attributes) {
	  anObject(O);
	  P = toPropertyKey(P);
	  anObject(Attributes);
	  if (ie8DomDefine) try {
	    return $defineProperty$1(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$4
	};

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

	var getOwnPropertyDescriptor$4 = 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$1(nativeSource, key);
	    targetProperty = target[key];
	    if (USE_NATIVE) if (options.noTargetGet) {
	      descriptor = getOwnPropertyDescriptor$4(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 = functionBindContext(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 = functionBindContext(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) {
	      createNonEnumerableProperty(resultProperty, 'sham', true);
	    }

	    target[key] = resultProperty;

	    if (PROTO) {
	      VIRTUAL_PROTOTYPE = TARGET + 'Prototype';

	      if (!has$1(path, VIRTUAL_PROTOTYPE)) {
	        createNonEnumerableProperty(path, VIRTUAL_PROTOTYPE, {});
	      } // export virtual prototype methods


	      path[VIRTUAL_PROTOTYPE][key] = sourceProperty; // export real prototype methods

	      if (options.real && targetPrototype && !targetPrototype[key]) {
	        createNonEnumerableProperty(targetPrototype, key, sourceProperty);
	      }
	    }
	  }
	};

	var ceil = Math.ceil;
	var floor$1 = Math.floor; // `ToInteger` abstract operation
	// https://tc39.es/ecma262/#sec-tointeger

	var toInteger = function (argument) {
	  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor$1 : ceil)(argument);
	};

	var min$2 = Math.min; // `ToLength` abstract operation
	// https://tc39.es/ecma262/#sec-tolength

	var toLength = function (argument) {
	  return argument > 0 ? min$2(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
	};

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

	var createMethod$5 = function (IS_INCLUDES) {
	  return function ($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 -- 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$5(true),
	  // `Array.prototype.indexOf` method
	  // https://tc39.es/ecma262/#sec-array.prototype.indexof
	  indexOf: createMethod$5(false)
	};

	var hiddenKeys$1 = {};

	var indexOf$3 = arrayIncludes.indexOf;

	var objectKeysInternal = function (object, names) {
	  var O = toIndexedObject(object);
	  var i = 0;
	  var result = [];
	  var key;

	  for (key in O) !has$1(hiddenKeys$1, key) && has$1(O, key) && result.push(key); // Don't enum bug & hidden keys


	  while (names.length > i) if (has$1(O, key = names[i++])) {
	    ~indexOf$3(result, key) || result.push(key);
	  }

	  return result;
	};

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

	// https://tc39.es/ecma262/#sec-object.keys
	// eslint-disable-next-line es/no-object-keys -- safe

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

	// eslint-disable-next-line es/no-object-getownpropertysymbols -- safe
	var f$3 = Object.getOwnPropertySymbols;
	var objectGetOwnPropertySymbols = {
	  f: f$3
	};

	var $assign = Object.assign; // eslint-disable-next-line es/no-object-defineproperty -- required for testing

	var defineProperty$9 = Object.defineProperty; // `Object.assign` method
	// https://tc39.es/ecma262/#sec-object.assign

	var objectAssign = !$assign || fails(function () {
	  // should have correct order of operations (Edge bug)
	  if (descriptors && $assign({
	    b: 1
	  }, $assign(defineProperty$9({}, 'a', {
	    enumerable: true,
	    get: function () {
	      defineProperty$9(this, 'b', {
	        value: 3,
	        enumerable: false
	      });
	    }
	  }), {
	    b: 2
	  })).b !== 1) return true; // should work with symbols and should have deterministic property order (V8 bug)

	  var A = {};
	  var B = {}; // eslint-disable-next-line es/no-symbol -- safe

	  var symbol = Symbol();
	  var alphabet = 'abcdefghijklmnopqrst';
	  A[symbol] = 7;
	  alphabet.split('').forEach(function (chr) {
	    B[chr] = chr;
	  });
	  return $assign({}, A)[symbol] != 7 || objectKeys($assign({}, B)).join('') != alphabet;
	}) ? function assign(target, source) {
	  // eslint-disable-line no-unused-vars -- required for `.length`
	  var T = toObject(target);
	  var argumentsLength = arguments.length;
	  var index = 1;
	  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
	  var propertyIsEnumerable = objectPropertyIsEnumerable.f;

	  while (argumentsLength > index) {
	    var S = indexedObject(arguments[index++]);
	    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
	    var length = keys.length;
	    var j = 0;
	    var key;

	    while (length > j) {
	      key = keys[j++];
	      if (!descriptors || propertyIsEnumerable.call(S, key)) T[key] = S[key];
	    }
	  }

	  return T;
	} : $assign;

	// https://tc39.es/ecma262/#sec-object.assign
	// eslint-disable-next-line es/no-object-assign -- required for testing

	_export({
	  target: 'Object',
	  stat: true,
	  forced: Object.assign !== objectAssign
	}, {
	  assign: objectAssign
	});

	var assign$4 = path.Object.assign;

	var assign$3 = assign$4;

	var assign$2 = assign$3;

	var slice$6 = [].slice;
	var factories = {};

	var construct$3 = 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 -- we have no proper alternatives, IE8- only


	    factories[argsLength] = Function('C,a', 'return new C(' + list.join(',') + ')');
	  }

	  return factories[argsLength](C, args);
	}; // `Function.prototype.bind` method implementation
	// https://tc39.es/ecma262/#sec-function.prototype.bind


	var functionBind = Function.bind || function bind(that
	/* , ...args */
	) {
	  var fn = aFunction(this);
	  var partArgs = slice$6.call(arguments, 1);

	  var boundFunction = function bound() {
	    var args = partArgs.concat(slice$6.call(arguments));
	    return this instanceof boundFunction ? construct$3(fn, args.length, args) : fn.apply(that, args);
	  };

	  if (isObject$1(fn.prototype)) boundFunction.prototype = fn.prototype;
	  return boundFunction;
	};

	// https://tc39.es/ecma262/#sec-function.prototype.bind

	_export({
	  target: 'Function',
	  proto: true
	}, {
	  bind: functionBind
	});

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

	var bind$2 = 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$2 : own;
	};

	var bind$1 = bind_1;

	var bind = bind$1;

	/**
	 * Draw a circle.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - The radius of the circle.
	 */
	function drawCircle(ctx, x, y, r) {
	  ctx.beginPath();
	  ctx.arc(x, y, r, 0, 2 * Math.PI, false);
	  ctx.closePath();
	}
	/**
	 * Draw a square.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - Half of the width and height of the square.
	 */

	function drawSquare(ctx, x, y, r) {
	  ctx.beginPath();
	  ctx.rect(x - r, y - r, r * 2, r * 2);
	  ctx.closePath();
	}
	/**
	 * Draw an equilateral triangle standing on a side.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - Half of the length of the sides.
	 *
	 * @remarks
	 * http://en.wikipedia.org/wiki/Equilateral_triangle
	 */

	function drawTriangle(ctx, x, y, r) {
	  ctx.beginPath(); // the change in radius and the offset is here to center the shape

	  r *= 1.15;
	  y += 0.275 * r;
	  var s = r * 2;
	  var s2 = s / 2;
	  var ir = Math.sqrt(3) / 6 * s; // radius of inner circle

	  var h = Math.sqrt(s * s - s2 * s2); // height

	  ctx.moveTo(x, y - (h - ir));
	  ctx.lineTo(x + s2, y + ir);
	  ctx.lineTo(x - s2, y + ir);
	  ctx.lineTo(x, y - (h - ir));
	  ctx.closePath();
	}
	/**
	 * Draw an equilateral triangle standing on a vertex.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - Half of the length of the sides.
	 *
	 * @remarks
	 * http://en.wikipedia.org/wiki/Equilateral_triangle
	 */

	function drawTriangleDown(ctx, x, y, r) {
	  ctx.beginPath(); // the change in radius and the offset is here to center the shape

	  r *= 1.15;
	  y -= 0.275 * r;
	  var s = r * 2;
	  var s2 = s / 2;
	  var ir = Math.sqrt(3) / 6 * s; // radius of inner circle

	  var h = Math.sqrt(s * s - s2 * s2); // height

	  ctx.moveTo(x, y + (h - ir));
	  ctx.lineTo(x + s2, y - ir);
	  ctx.lineTo(x - s2, y - ir);
	  ctx.lineTo(x, y + (h - ir));
	  ctx.closePath();
	}
	/**
	 * Draw a star.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - The outer radius of the star.
	 */

	function drawStar(ctx, x, y, r) {
	  // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
	  ctx.beginPath(); // the change in radius and the offset is here to center the shape

	  r *= 0.82;
	  y += 0.1 * r;

	  for (var n = 0; n < 10; n++) {
	    var radius = n % 2 === 0 ? r * 1.3 : r * 0.5;
	    ctx.lineTo(x + radius * Math.sin(n * 2 * Math.PI / 10), y - radius * Math.cos(n * 2 * Math.PI / 10));
	  }

	  ctx.closePath();
	}
	/**
	 * Draw a diamond.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - Half of the width and height of the diamond.
	 *
	 * @remarks
	 * http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
	 */

	function drawDiamond(ctx, x, y, r) {
	  ctx.beginPath();
	  ctx.lineTo(x, y + r);
	  ctx.lineTo(x + r, y);
	  ctx.lineTo(x, y - r);
	  ctx.lineTo(x - r, y);
	  ctx.closePath();
	}
	/**
	 * Draw a rectangle with rounded corners.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param w - The width of the rectangle.
	 * @param h - The height of the rectangle.
	 * @param r - The radius of the corners.
	 *
	 * @remarks
	 * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas
	 */

	function drawRoundRect(ctx, x, y, w, h, r) {
	  var r2d = Math.PI / 180;

	  if (w - 2 * r < 0) {
	    r = w / 2;
	  } //ensure that the radius isn't too large for x


	  if (h - 2 * r < 0) {
	    r = h / 2;
	  } //ensure that the radius isn't too large for y


	  ctx.beginPath();
	  ctx.moveTo(x + r, y);
	  ctx.lineTo(x + w - r, y);
	  ctx.arc(x + w - r, y + r, r, r2d * 270, r2d * 360, false);
	  ctx.lineTo(x + w, y + h - r);
	  ctx.arc(x + w - r, y + h - r, r, 0, r2d * 90, false);
	  ctx.lineTo(x + r, y + h);
	  ctx.arc(x + r, y + h - r, r, r2d * 90, r2d * 180, false);
	  ctx.lineTo(x, y + r);
	  ctx.arc(x + r, y + r, r, r2d * 180, r2d * 270, false);
	  ctx.closePath();
	}
	/**
	 * Draw an ellipse.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param w - The width of the ellipse.
	 * @param h - The height of the ellipse.
	 *
	 * @remarks
	 * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
	 *
	 * Postfix '_vis' added to discern it from standard method ellipse().
	 */

	function drawEllipse(ctx, x, y, w, h) {
	  var kappa = 0.5522848,
	      ox = w / 2 * kappa,
	      // control point offset horizontal
	  oy = h / 2 * kappa,
	      // control point offset vertical
	  xe = x + w,
	      // x-end
	  ye = y + h,
	      // y-end
	  xm = x + w / 2,
	      // x-middle
	  ym = y + h / 2; // y-middle

	  ctx.beginPath();
	  ctx.moveTo(x, ym);
	  ctx.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
	  ctx.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
	  ctx.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
	  ctx.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
	  ctx.closePath();
	}
	/**
	 * Draw an isometric cylinder.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param w - The width of the database.
	 * @param h - The height of the database.
	 *
	 * @remarks
	 * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
	 */

	function drawDatabase(ctx, x, y, w, h) {
	  var f = 1 / 3;
	  var wEllipse = w;
	  var hEllipse = h * f;
	  var kappa = 0.5522848,
	      ox = wEllipse / 2 * kappa,
	      // control point offset horizontal
	  oy = hEllipse / 2 * kappa,
	      // control point offset vertical
	  xe = x + wEllipse,
	      // x-end
	  ye = y + hEllipse,
	      // y-end
	  xm = x + wEllipse / 2,
	      // x-middle
	  ym = y + hEllipse / 2,
	      // y-middle
	  ymb = y + (h - hEllipse / 2),
	      // y-midlle, bottom ellipse
	  yeb = y + h; // y-end, bottom ellipse

	  ctx.beginPath();
	  ctx.moveTo(xe, ym);
	  ctx.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
	  ctx.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
	  ctx.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
	  ctx.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
	  ctx.lineTo(xe, ymb);
	  ctx.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb);
	  ctx.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb);
	  ctx.lineTo(x, ym);
	}
	/**
	 * Draw a dashed line.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The start position on the x axis.
	 * @param y - The start position on the y axis.
	 * @param x2 - The end position on the x axis.
	 * @param y2 - The end position on the y axis.
	 * @param pattern - List of lengths starting with line and then alternating between space and line.
	 *
	 * @author David Jordan
	 * @remarks
	 * date 2012-08-08
	 * http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas
	 */

	function drawDashedLine(ctx, x, y, x2, y2, pattern) {
	  ctx.beginPath();
	  ctx.moveTo(x, y);
	  var patternLength = pattern.length;
	  var dx = x2 - x;
	  var dy = y2 - y;
	  var slope = dy / dx;
	  var distRemaining = Math.sqrt(dx * dx + dy * dy);
	  var patternIndex = 0;
	  var draw = true;
	  var xStep = 0;
	  var dashLength = +pattern[0];

	  while (distRemaining >= 0.1) {
	    dashLength = +pattern[patternIndex++ % patternLength];

	    if (dashLength > distRemaining) {
	      dashLength = distRemaining;
	    }

	    xStep = Math.sqrt(dashLength * dashLength / (1 + slope * slope));
	    xStep = dx < 0 ? -xStep : xStep;
	    x += xStep;
	    y += slope * xStep;

	    if (draw === true) {
	      ctx.lineTo(x, y);
	    } else {
	      ctx.moveTo(x, y);
	    }

	    distRemaining -= dashLength;
	    draw = !draw;
	  }
	}
	/**
	 * Draw a hexagon.
	 *
	 * @param ctx - The context this shape will be rendered to.
	 * @param x - The position of the center on the x axis.
	 * @param y - The position of the center on the y axis.
	 * @param r - The radius of the hexagon.
	 */

	function drawHexagon(ctx, x, y, r) {
	  ctx.beginPath();
	  var sides = 6;
	  var a = Math.PI * 2 / sides;
	  ctx.moveTo(x + r, y);

	  for (var i = 1; i < sides; i++) {
	    ctx.lineTo(x + r * Math.cos(a * i), y + r * Math.sin(a * i));
	  }

	  ctx.closePath();
	}
	var shapeMap = {
	  circle: drawCircle,
	  dashedLine: drawDashedLine,
	  database: drawDatabase,
	  diamond: drawDiamond,
	  ellipse: drawEllipse,
	  ellipse_vis: drawEllipse,
	  hexagon: drawHexagon,
	  roundRect: drawRoundRect,
	  square: drawSquare,
	  star: drawStar,
	  triangle: drawTriangle,
	  triangleDown: drawTriangleDown
	};
	/**
	 * Returns either custom or native drawing function base on supplied name.
	 *
	 * @param name - The name of the function. Either the name of a
	 * CanvasRenderingContext2D property or an export from shapes.ts without the
	 * draw prefix.
	 *
	 * @returns The function that can be used for rendering. In case of native
	 * CanvasRenderingContext2D function the API is normalized to
	 * `(ctx: CanvasRenderingContext2D, ...originalArgs) => void`.
	 */

	function getShape(name) {
	  if (Object.prototype.hasOwnProperty.call(shapeMap, name)) {
	    return shapeMap[name];
	  } else {
	    return function (ctx) {
	      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
	        args[_key - 1] = arguments[_key];
	      }

	      CanvasRenderingContext2D.prototype[name].call(ctx, args);
	    };
	  }
	}

	var componentEmitter = createCommonjsModule(function (module) {
	  /**
	   * Expose `Emitter`.
	   */
	  {
	    module.exports = Emitter;
	  }
	  /**
	   * Initialize a new `Emitter`.
	   *
	   * @api public
	   */


	  function Emitter(obj) {
	    if (obj) return mixin(obj);
	  }
	  /**
	   * Mixin the emitter properties.
	   *
	   * @param {Object} obj
	   * @return {Object}
	   * @api private
	   */

	  function mixin(obj) {
	    for (var key in Emitter.prototype) {
	      obj[key] = Emitter.prototype[key];
	    }

	    return obj;
	  }
	  /**
	   * Listen on the given `event` with `fn`.
	   *
	   * @param {String} event
	   * @param {Function} fn
	   * @return {Emitter}
	   * @api public
	   */


	  Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
	    this._callbacks = this._callbacks || {};
	    (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);
	    return this;
	  };
	  /**
	   * Adds an `event` listener that will be invoked a single
	   * time then automatically removed.
	   *
	   * @param {String} event
	   * @param {Function} fn
	   * @return {Emitter}
	   * @api public
	   */


	  Emitter.prototype.once = function (event, fn) {
	    function on() {
	      this.off(event, on);
	      fn.apply(this, arguments);
	    }

	    on.fn = fn;
	    this.on(event, on);
	    return this;
	  };
	  /**
	   * Remove the given callback for `event` or all
	   * registered callbacks.
	   *
	   * @param {String} event
	   * @param {Function} fn
	   * @return {Emitter}
	   * @api public
	   */


	  Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
	    this._callbacks = this._callbacks || {}; // all

	    if (0 == arguments.length) {
	      this._callbacks = {};
	      return this;
	    } // specific event


	    var callbacks = this._callbacks['$' + event];
	    if (!callbacks) return this; // remove all handlers

	    if (1 == arguments.length) {
	      delete this._callbacks['$' + event];
	      return this;
	    } // remove specific handler


	    var cb;

	    for (var i = 0; i < callbacks.length; i++) {
	      cb = callbacks[i];

	      if (cb === fn || cb.fn === fn) {
	        callbacks.splice(i, 1);
	        break;
	      }
	    } // Remove event specific arrays for event types that no
	    // one is subscribed for to avoid memory leak.


	    if (callbacks.length === 0) {
	      delete this._callbacks['$' + event];
	    }

	    return this;
	  };
	  /**
	   * Emit `event` with the given args.
	   *
	   * @param {String} event
	   * @param {Mixed} ...
	   * @return {Emitter}
	   */


	  Emitter.prototype.emit = function (event) {
	    this._callbacks = this._callbacks || {};
	    var args = new Array(arguments.length - 1),
	        callbacks = this._callbacks['$' + event];

	    for (var i = 1; i < arguments.length; i++) {
	      args[i - 1] = arguments[i];
	    }

	    if (callbacks) {
	      callbacks = callbacks.slice(0);

	      for (var i = 0, len = callbacks.length; i < len; ++i) {
	        callbacks[i].apply(this, args);
	      }
	    }

	    return this;
	  };
	  /**
	   * Return array of callbacks for `event`.
	   *
	   * @param {String} event
	   * @return {Array}
	   * @api public
	   */


	  Emitter.prototype.listeners = function (event) {
	    this._callbacks = this._callbacks || {};
	    return this._callbacks['$' + event] || [];
	  };
	  /**
	   * Check if this emitter has `event` handlers.
	   *
	   * @param {String} event
	   * @return {Boolean}
	   * @api public
	   */


	  Emitter.prototype.hasListeners = function (event) {
	    return !!this.listeners(event).length;
	  };
	});

	var toString_1 = function (argument) {
	  if (isSymbol(argument)) throw TypeError('Cannot convert a Symbol value to a string');
	  return String(argument);
	};

	var createMethod$4 = function (CONVERT_TO_STRING) {
	  return function ($this, pos) {
	    var S = toString_1(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.es/ecma262/#sec-string.prototype.codepointat
	  codeAt: createMethod$4(false),
	  // `String.prototype.at` method
	  // https://github.com/mathiasbynens/String.prototype.at
	  charAt: createMethod$4(true)
	};

	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 sharedStore.inspectSource != 'function') {
	  sharedStore.inspectSource = function (it) {
	    return functionToString.call(it);
	  };
	}

	var inspectSource = sharedStore.inspectSource;

	var WeakMap$1 = global_1.WeakMap;
	var nativeWeakMap = typeof WeakMap$1 === 'function' && /native code/.test(inspectSource(WeakMap$1));

	var keys$6 = shared('keys');

	var sharedKey = function (key) {
	  return keys$6[key] || (keys$6[key] = uid(key));
	};

	var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
	var WeakMap = global_1.WeakMap;
	var set$3, get$6, has;

	var enforce = function (it) {
	  return has(it) ? get$6(it) : set$3(it, {});
	};

	var getterFor = function (TYPE) {
	  return function (it) {
	    var state;

	    if (!isObject$1(it) || (state = get$6(it)).type !== TYPE) {
	      throw TypeError('Incompatible receiver, ' + TYPE + ' required');
	    }

	    return state;
	  };
	};

	if (nativeWeakMap || sharedStore.state) {
	  var store = sharedStore.state || (sharedStore.state = new WeakMap());
	  var wmget = store.get;
	  var wmhas = store.has;
	  var wmset = store.set;

	  set$3 = 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$6 = function (it) {
	    return wmget.call(store, it) || {};
	  };

	  has = function (it) {
	    return wmhas.call(store, it);
	  };
	} else {
	  var STATE = sharedKey('state');
	  hiddenKeys$1[STATE] = true;

	  set$3 = function (it, metadata) {
	    if (has$1(it, STATE)) throw new TypeError(OBJECT_ALREADY_INITIALIZED);
	    metadata.facade = it;
	    createNonEnumerableProperty(it, STATE, metadata);
	    return metadata;
	  };

	  get$6 = function (it) {
	    return has$1(it, STATE) ? it[STATE] : {};
	  };

	  has = function (it) {
	    return has$1(it, STATE);
	  };
	}

	var internalState = {
	  set: set$3,
	  get: get$6,
	  has: has,
	  enforce: enforce,
	  getterFor: getterFor
	};

	var correctPrototypeGetter = !fails(function () {
	  function F() {
	    /* empty */
	  }

	  F.prototype.constructor = null; // eslint-disable-next-line es/no-object-getprototypeof -- required for testing

	  return Object.getPrototypeOf(new F()) !== F.prototype;
	});

	var IE_PROTO$1 = sharedKey('IE_PROTO');
	var ObjectPrototype$1 = Object.prototype; // `Object.getPrototypeOf` method
	// https://tc39.es/ecma262/#sec-object.getprototypeof
	// eslint-disable-next-line es/no-object-getprototypeof -- safe

	var objectGetPrototypeOf = correctPrototypeGetter ? Object.getPrototypeOf : function (O) {
	  O = toObject(O);
	  if (has$1(O, IE_PROTO$1)) return O[IE_PROTO$1];

	  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
	    return O.constructor.prototype;
	  }

	  return O instanceof Object ? ObjectPrototype$1 : null;
	};

	var ITERATOR$4 = wellKnownSymbol('iterator');
	var BUGGY_SAFARI_ITERATORS$1 = false;

	var returnThis$2 = function () {
	  return this;
	}; // `%IteratorPrototype%` object
	// https://tc39.es/ecma262/#sec-%iteratorprototype%-object


	var IteratorPrototype$2, PrototypeOfArrayIteratorPrototype, arrayIterator;
	/* eslint-disable es/no-array-prototype-keys -- safe */

	if ([].keys) {
	  arrayIterator = [].keys(); // Safari 8 has buggy iterators w/o `next`

	  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS$1 = true;else {
	    PrototypeOfArrayIteratorPrototype = objectGetPrototypeOf(objectGetPrototypeOf(arrayIterator));
	    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype$2 = PrototypeOfArrayIteratorPrototype;
	  }
	}

	var NEW_ITERATOR_PROTOTYPE = IteratorPrototype$2 == undefined || fails(function () {
	  var test = {}; // FF44- legacy iterators case

	  return IteratorPrototype$2[ITERATOR$4].call(test) !== test;
	});
	if (NEW_ITERATOR_PROTOTYPE) IteratorPrototype$2 = {}; // `%IteratorPrototype%[@@iterator]()` method
	// https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator

	if ((NEW_ITERATOR_PROTOTYPE) && !has$1(IteratorPrototype$2, ITERATOR$4)) {
	  createNonEnumerableProperty(IteratorPrototype$2, ITERATOR$4, returnThis$2);
	}

	var iteratorsCore = {
	  IteratorPrototype: IteratorPrototype$2,
	  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS$1
	};

	// https://tc39.es/ecma262/#sec-object.defineproperties
	// eslint-disable-next-line es/no-object-defineproperties -- safe

	var objectDefineProperties = descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
	  anObject(O);
	  var keys = objectKeys(Properties);
	  var length = keys.length;
	  var index = 0;
	  var key;

	  while (length > index) objectDefineProperty.f(O, key = keys[index++], Properties[key]);

	  return O;
	};

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

	/* global ActiveXObject -- old IE, WSH */

	var GT = '>';
	var LT = '<';
	var PROTOTYPE$1 = '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;

	  if (iframe.style) {
	    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 {
	    activeXDocument = new ActiveXObject('htmlfile');
	  } catch (error) {
	    /* ignore */
	  }

	  NullProtoObject = document.domain && activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : // old IE
	  NullProtoObjectViaIFrame() || NullProtoObjectViaActiveX(activeXDocument); // WSH

	  var length = enumBugKeys.length;

	  while (length--) delete NullProtoObject[PROTOTYPE$1][enumBugKeys[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$1] = anObject(O);
	    result = new EmptyConstructor();
	    EmptyConstructor[PROTOTYPE$1] = null; // add "__proto__" for Object.getPrototypeOf polyfill

	    result[IE_PROTO] = O;
	  } else result = NullProtoObject();

	  return Properties === undefined ? result : objectDefineProperties(result, Properties);
	};

	var TO_STRING_TAG$3 = wellKnownSymbol('toStringTag');
	var test$2 = {};
	test$2[TO_STRING_TAG$3] = 'z';
	var toStringTagSupport = String(test$2) === '[object z]';

	var TO_STRING_TAG$2 = 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 = toStringTagSupport ? classofRaw : function (it) {
	  var O, tag, result;
	  return it === undefined ? 'Undefined' : it === null ? 'Null' // @@toStringTag case
	  : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG$2)) == 'string' ? tag // builtinTag case
	  : CORRECT_ARGUMENTS ? classofRaw(O) // ES3 arguments fallback
	  : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
	};

	// https://tc39.es/ecma262/#sec-object.prototype.tostring


	var objectToString = toStringTagSupport ? {}.toString : function toString() {
	  return '[object ' + classof(this) + ']';
	};

	var defineProperty$8 = objectDefineProperty.f;
	var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');

	var setToStringTag = function (it, TAG, STATIC, SET_METHOD) {
	  if (it) {
	    var target = STATIC ? it : it.prototype;

	    if (!has$1(target, TO_STRING_TAG$1)) {
	      defineProperty$8(target, TO_STRING_TAG$1, {
	        configurable: true,
	        value: TAG
	      });
	    }

	    if (SET_METHOD && !toStringTagSupport) {
	      createNonEnumerableProperty(target, 'toString', objectToString);
	    }
	  }
	};

	var iterators = {};

	var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;

	var returnThis$1 = 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$1;
	  return IteratorConstructor;
	};

	var aPossiblePrototype = 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 */
	// `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(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 createNonEnumerableProperty(target, key, value);
	};

	v