@lunit/insight-viewer/index.cjs

Based on the cornerstone library, it provides several components for handling Dicom images

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var React = require('react');
var cornerstone = require('cornerstone-core');
var rxjs = require('rxjs');
var reactResizeDetector = require('react-resize-detector');
var uid$3 = require('uid');
var ky = require('ky');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
      if (k !== 'default') {
        var d = Object.getOwnPropertyDescriptor(e, k);
        Object.defineProperty(n, k, d.get ? d : {
          enumerable: true,
          get: function () { return e[k]; }
        });
      }
    });
  }
  n["default"] = e;
  return Object.freeze(n);
}

var React__default = /*#__PURE__*/_interopDefaultLegacy(React);
var cornerstone__default = /*#__PURE__*/_interopDefaultLegacy(cornerstone);
var ky__default = /*#__PURE__*/_interopDefaultLegacy(ky);

const IMAGE_LOADER_SCHEME = {
  WADO: 'wadouri',
  DICOMFILE: 'dicomfile',
  WEB: 'web' // for cornerstone-web-image-loader

};
const LOADER_TYPE = {
  DICOM: 'dicom',
  WEB: 'web' // for cornerstone-web-image-loader

};
const CONFIG = {
  onError: function handleError(e) {
    // eslint-disable-next-line no-console
    console.error(e);
  },
  Progress: undefined,
  // eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-empty-function
  requestInterceptor: _request => {},
  timeout: 60 * 1000
};
const LOADING_STATE = {
  INITIAL: 'initial',
  LOADING: 'loading',
  SUCCESS: 'success',
  FAIL: 'fail'
}; // This is the default initial viewport value and is used as placeholder.

const BASE_VIEWPORT = {
  scale: 0,
  invert: false,
  hflip: false,
  vflip: false,
  rotation: 0,
  x: 0,
  y: 0,
  windowWidth: 0,
  windowCenter: 0
};
const DEFAULT_VIEWPORT_OPTIONS = {
  fitScale: true
};
const DEFAULT_VIEWPORT_VIEWER_REF = {
  current: null
};
const ERROR_MESSAGE = {
  ENABLED_ELEMENT_NOT_READY: 'enabledElement value is null, Please check the enabledElement value.'
};
/**
 * The Annotation Overlay z index should keep the highest value.
 * When using z index, please use a value below that value.
 */

const ANNOTATION_OVERLAY_Z_INDEX = 10;

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

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

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

var objectGetOwnPropertyDescriptor = {};

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

var fails$c = fails$d;

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

var fails$b = fails$d;

var functionBindNative = !fails$b(function () {
  // eslint-disable-next-line es-x/no-function-prototype-bind -- safe
  var test = (function () { /* empty */ }).bind();
  // eslint-disable-next-line no-prototype-builtins -- safe
  return typeof test != 'function' || test.hasOwnProperty('prototype');
});

var NATIVE_BIND$3 = functionBindNative;

var call$e = Function.prototype.call;

var functionCall = NATIVE_BIND$3 ? call$e.bind(call$e) : function () {
  return call$e.apply(call$e, arguments);
};

var objectPropertyIsEnumerable = {};

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

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

// `Object.prototype.propertyIsEnumerable` method implementation
// https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable
objectPropertyIsEnumerable.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
  var descriptor = getOwnPropertyDescriptor$2(this, V);
  return !!descriptor && descriptor.enumerable;
} : $propertyIsEnumerable;

var createPropertyDescriptor$3 = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};

var NATIVE_BIND$2 = functionBindNative;

var FunctionPrototype$2 = Function.prototype;
var bind$5 = FunctionPrototype$2.bind;
var call$d = FunctionPrototype$2.call;
var uncurryThis$e = NATIVE_BIND$2 && bind$5.bind(call$d, call$d);

var functionUncurryThis = NATIVE_BIND$2 ? function (fn) {
  return fn && uncurryThis$e(fn);
} : function (fn) {
  return fn && function () {
    return call$d.apply(fn, arguments);
  };
};

var uncurryThis$d = functionUncurryThis;

var toString$1 = uncurryThis$d({}.toString);
var stringSlice = uncurryThis$d(''.slice);

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

var uncurryThis$c = functionUncurryThis;
var fails$a = fails$d;
var classof$4 = classofRaw$1;

var $Object$4 = Object;
var split = uncurryThis$c(''.split);

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var indexedObject = fails$a(function () {
  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
  // eslint-disable-next-line no-prototype-builtins -- safe
  return !$Object$4('z').propertyIsEnumerable(0);
}) ? function (it) {
  return classof$4(it) == 'String' ? split(it, '') : $Object$4(it);
} : $Object$4;

var $TypeError$b = TypeError;

// `RequireObjectCoercible` abstract operation
// https://tc39.es/ecma262/#sec-requireobjectcoercible
var requireObjectCoercible$2 = function (it) {
  if (it == undefined) throw $TypeError$b("Can't call method on " + it);
  return it;
};

// toObject with fallback for non-array-like ES3 strings
var IndexedObject$1 = indexedObject;
var requireObjectCoercible$1 = requireObjectCoercible$2;

var toIndexedObject$5 = function (it) {
  return IndexedObject$1(requireObjectCoercible$1(it));
};

// `IsCallable` abstract operation
// https://tc39.es/ecma262/#sec-iscallable
var isCallable$k = function (argument) {
  return typeof argument == 'function';
};

var isCallable$j = isCallable$k;

var isObject$7 = function (it) {
  return typeof it == 'object' ? it !== null : isCallable$j(it);
};

var global$i = global$j;
var isCallable$i = isCallable$k;

var aFunction = function (argument) {
  return isCallable$i(argument) ? argument : undefined;
};

var getBuiltIn$8 = function (namespace, method) {
  return arguments.length < 2 ? aFunction(global$i[namespace]) : global$i[namespace] && global$i[namespace][method];
};

var uncurryThis$b = functionUncurryThis;

var objectIsPrototypeOf = uncurryThis$b({}.isPrototypeOf);

var getBuiltIn$7 = getBuiltIn$8;

var engineUserAgent = getBuiltIn$7('navigator', 'userAgent') || '';

var global$h = global$j;
var userAgent$3 = engineUserAgent;

var process$3 = global$h.process;
var Deno$1 = global$h.Deno;
var versions = process$3 && process$3.versions || Deno$1 && Deno$1.version;
var v8 = versions && versions.v8;
var match, version;

if (v8) {
  match = v8.split('.');
  // in old Chrome, versions of V8 isn't V8 = Chrome / 10
  // but their correct versions are not interesting for us
  version = match[0] > 0 && match[0] < 4 ? 1 : +(match[0] + match[1]);
}

// BrowserFS NodeJS `process` polyfill incorrectly set `.v8` to `0.0`
// so check `userAgent` even if `.v8` exists, but 0
if (!version && userAgent$3) {
  match = userAgent$3.match(/Edge\/(\d+)/);
  if (!match || match[1] >= 74) {
    match = userAgent$3.match(/Chrome\/(\d+)/);
    if (match) version = +match[1];
  }
}

var engineV8Version = version;

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

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

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

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

var NATIVE_SYMBOL$1 = nativeSymbol;

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

var getBuiltIn$6 = getBuiltIn$8;
var isCallable$h = isCallable$k;
var isPrototypeOf$2 = objectIsPrototypeOf;
var USE_SYMBOL_AS_UID$1 = useSymbolAsUid;

var $Object$3 = Object;

var isSymbol$2 = USE_SYMBOL_AS_UID$1 ? function (it) {
  return typeof it == 'symbol';
} : function (it) {
  var $Symbol = getBuiltIn$6('Symbol');
  return isCallable$h($Symbol) && isPrototypeOf$2($Symbol.prototype, $Object$3(it));
};

var $String$2 = String;

var tryToString$4 = function (argument) {
  try {
    return $String$2(argument);
  } catch (error) {
    return 'Object';
  }
};

var isCallable$g = isCallable$k;
var tryToString$3 = tryToString$4;

var $TypeError$a = TypeError;

// `Assert: IsCallable(argument) is true`
var aCallable$7 = function (argument) {
  if (isCallable$g(argument)) return argument;
  throw $TypeError$a(tryToString$3(argument) + ' is not a function');
};

var aCallable$6 = aCallable$7;

// `GetMethod` abstract operation
// https://tc39.es/ecma262/#sec-getmethod
var getMethod$3 = function (V, P) {
  var func = V[P];
  return func == null ? undefined : aCallable$6(func);
};

var call$c = functionCall;
var isCallable$f = isCallable$k;
var isObject$6 = isObject$7;

var $TypeError$9 = TypeError;

// `OrdinaryToPrimitive` abstract operation
// https://tc39.es/ecma262/#sec-ordinarytoprimitive
var ordinaryToPrimitive$1 = function (input, pref) {
  var fn, val;
  if (pref === 'string' && isCallable$f(fn = input.toString) && !isObject$6(val = call$c(fn, input))) return val;
  if (isCallable$f(fn = input.valueOf) && !isObject$6(val = call$c(fn, input))) return val;
  if (pref !== 'string' && isCallable$f(fn = input.toString) && !isObject$6(val = call$c(fn, input))) return val;
  throw $TypeError$9("Can't convert object to primitive value");
};

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

var global$g = global$j;

// eslint-disable-next-line es-x/no-object-defineproperty -- safe
var defineProperty$5 = Object.defineProperty;

var defineGlobalProperty$3 = function (key, value) {
  try {
    defineProperty$5(global$g, key, { value: value, configurable: true, writable: true });
  } catch (error) {
    global$g[key] = value;
  } return value;
};

var global$f = global$j;
var defineGlobalProperty$2 = defineGlobalProperty$3;

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

var sharedStore = store$3;

var store$2 = sharedStore;

(shared$3.exports = function (key, value) {
  return store$2[key] || (store$2[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: '3.24.1',
  mode: 'global',
  copyright: '© 2014-2022 Denis Pushkarev (zloirock.ru)',
  license: 'https://github.com/zloirock/core-js/blob/v3.24.1/LICENSE',
  source: 'https://github.com/zloirock/core-js'
});

var requireObjectCoercible = requireObjectCoercible$2;

var $Object$2 = Object;

// `ToObject` abstract operation
// https://tc39.es/ecma262/#sec-toobject
var toObject$3 = function (argument) {
  return $Object$2(requireObjectCoercible(argument));
};

var uncurryThis$a = functionUncurryThis;
var toObject$2 = toObject$3;

var hasOwnProperty = uncurryThis$a({}.hasOwnProperty);

// `HasOwnProperty` abstract operation
// https://tc39.es/ecma262/#sec-hasownproperty
// eslint-disable-next-line es-x/no-object-hasown -- safe
var hasOwnProperty_1 = Object.hasOwn || function hasOwn(it, key) {
  return hasOwnProperty(toObject$2(it), key);
};

var uncurryThis$9 = functionUncurryThis;

var id = 0;
var postfix = Math.random();
var toString = uncurryThis$9(1.0.toString);

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

var global$e = global$j;
var shared$2 = shared$3.exports;
var hasOwn$9 = hasOwnProperty_1;
var uid$1 = uid$2;
var NATIVE_SYMBOL = nativeSymbol;
var USE_SYMBOL_AS_UID = useSymbolAsUid;

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

var wellKnownSymbol$e = function (name) {
  if (!hasOwn$9(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
    var description = 'Symbol.' + name;
    if (NATIVE_SYMBOL && hasOwn$9(Symbol$1, name)) {
      WellKnownSymbolsStore[name] = Symbol$1[name];
    } else if (USE_SYMBOL_AS_UID && symbolFor) {
      WellKnownSymbolsStore[name] = symbolFor(description);
    } else {
      WellKnownSymbolsStore[name] = createWellKnownSymbol(description);
    }
  } return WellKnownSymbolsStore[name];
};

var call$b = functionCall;
var isObject$5 = isObject$7;
var isSymbol$1 = isSymbol$2;
var getMethod$2 = getMethod$3;
var ordinaryToPrimitive = ordinaryToPrimitive$1;
var wellKnownSymbol$d = wellKnownSymbol$e;

var $TypeError$8 = TypeError;
var TO_PRIMITIVE = wellKnownSymbol$d('toPrimitive');

// `ToPrimitive` abstract operation
// https://tc39.es/ecma262/#sec-toprimitive
var toPrimitive$1 = function (input, pref) {
  if (!isObject$5(input) || isSymbol$1(input)) return input;
  var exoticToPrim = getMethod$2(input, TO_PRIMITIVE);
  var result;
  if (exoticToPrim) {
    if (pref === undefined) pref = 'default';
    result = call$b(exoticToPrim, input, pref);
    if (!isObject$5(result) || isSymbol$1(result)) return result;
    throw $TypeError$8("Can't convert object to primitive value");
  }
  if (pref === undefined) pref = 'number';
  return ordinaryToPrimitive(input, pref);
};

var toPrimitive = toPrimitive$1;
var isSymbol = isSymbol$2;

// `ToPropertyKey` abstract operation
// https://tc39.es/ecma262/#sec-topropertykey
var toPropertyKey$2 = function (argument) {
  var key = toPrimitive(argument, 'string');
  return isSymbol(key) ? key : key + '';
};

var global$d = global$j;
var isObject$4 = isObject$7;

var document$3 = global$d.document;
// typeof document.createElement is 'object' in old IE
var EXISTS$1 = isObject$4(document$3) && isObject$4(document$3.createElement);

var documentCreateElement$2 = function (it) {
  return EXISTS$1 ? document$3.createElement(it) : {};
};

var DESCRIPTORS$a = descriptors;
var fails$8 = fails$d;
var createElement$1 = documentCreateElement$2;

// Thanks to IE8 for its funny defineProperty
var ie8DomDefine = !DESCRIPTORS$a && !fails$8(function () {
  // eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
  return Object.defineProperty(createElement$1('div'), 'a', {
    get: function () { return 7; }
  }).a != 7;
});

var DESCRIPTORS$9 = descriptors;
var call$a = functionCall;
var propertyIsEnumerableModule$1 = objectPropertyIsEnumerable;
var createPropertyDescriptor$2 = createPropertyDescriptor$3;
var toIndexedObject$4 = toIndexedObject$5;
var toPropertyKey$1 = toPropertyKey$2;
var hasOwn$8 = hasOwnProperty_1;
var IE8_DOM_DEFINE$1 = ie8DomDefine;

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

// `Object.getOwnPropertyDescriptor` method
// https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
objectGetOwnPropertyDescriptor.f = DESCRIPTORS$9 ? $getOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject$4(O);
  P = toPropertyKey$1(P);
  if (IE8_DOM_DEFINE$1) try {
    return $getOwnPropertyDescriptor$1(O, P);
  } catch (error) { /* empty */ }
  if (hasOwn$8(O, P)) return createPropertyDescriptor$2(!call$a(propertyIsEnumerableModule$1.f, O, P), O[P]);
};

var objectDefineProperty = {};

var DESCRIPTORS$8 = descriptors;
var fails$7 = fails$d;

// V8 ~ Chrome 36-
// https://bugs.chromium.org/p/v8/issues/detail?id=3334
var v8PrototypeDefineBug = DESCRIPTORS$8 && fails$7(function () {
  // eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
  return Object.defineProperty(function () { /* empty */ }, 'prototype', {
    value: 42,
    writable: false
  }).prototype != 42;
});

var isObject$3 = isObject$7;

var $String$1 = String;
var $TypeError$7 = TypeError;

// `Assert: Type(argument) is Object`
var anObject$a = function (argument) {
  if (isObject$3(argument)) return argument;
  throw $TypeError$7($String$1(argument) + ' is not an object');
};

var DESCRIPTORS$7 = descriptors;
var IE8_DOM_DEFINE = ie8DomDefine;
var V8_PROTOTYPE_DEFINE_BUG$1 = v8PrototypeDefineBug;
var anObject$9 = anObject$a;
var toPropertyKey = toPropertyKey$2;

var $TypeError$6 = TypeError;
// eslint-disable-next-line es-x/no-object-defineproperty -- safe
var $defineProperty = Object.defineProperty;
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
var ENUMERABLE = 'enumerable';
var CONFIGURABLE$1 = 'configurable';
var WRITABLE = 'writable';

// `Object.defineProperty` method
// https://tc39.es/ecma262/#sec-object.defineproperty
objectDefineProperty.f = DESCRIPTORS$7 ? V8_PROTOTYPE_DEFINE_BUG$1 ? function defineProperty(O, P, Attributes) {
  anObject$9(O);
  P = toPropertyKey(P);
  anObject$9(Attributes);
  if (typeof O === 'function' && P === 'prototype' && 'value' in Attributes && WRITABLE in Attributes && !Attributes[WRITABLE]) {
    var current = $getOwnPropertyDescriptor(O, P);
    if (current && current[WRITABLE]) {
      O[P] = Attributes.value;
      Attributes = {
        configurable: CONFIGURABLE$1 in Attributes ? Attributes[CONFIGURABLE$1] : current[CONFIGURABLE$1],
        enumerable: ENUMERABLE in Attributes ? Attributes[ENUMERABLE] : current[ENUMERABLE],
        writable: false
      };
    }
  } return $defineProperty(O, P, Attributes);
} : $defineProperty : function defineProperty(O, P, Attributes) {
  anObject$9(O);
  P = toPropertyKey(P);
  anObject$9(Attributes);
  if (IE8_DOM_DEFINE) try {
    return $defineProperty(O, P, Attributes);
  } catch (error) { /* empty */ }
  if ('get' in Attributes || 'set' in Attributes) throw $TypeError$6('Accessors not supported');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};

var DESCRIPTORS$6 = descriptors;
var definePropertyModule$4 = objectDefineProperty;
var createPropertyDescriptor$1 = createPropertyDescriptor$3;

var createNonEnumerableProperty$4 = DESCRIPTORS$6 ? function (object, key, value) {
  return definePropertyModule$4.f(object, key, createPropertyDescriptor$1(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

var makeBuiltIn$2 = {exports: {}};

var DESCRIPTORS$5 = descriptors;
var hasOwn$7 = hasOwnProperty_1;

var FunctionPrototype$1 = Function.prototype;
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var getDescriptor = DESCRIPTORS$5 && Object.getOwnPropertyDescriptor;

var EXISTS = hasOwn$7(FunctionPrototype$1, 'name');
// additional protection from minified / mangled / dropped function names
var PROPER = EXISTS && (function something() { /* empty */ }).name === 'something';
var CONFIGURABLE = EXISTS && (!DESCRIPTORS$5 || (DESCRIPTORS$5 && getDescriptor(FunctionPrototype$1, 'name').configurable));

var functionName = {
  EXISTS: EXISTS,
  PROPER: PROPER,
  CONFIGURABLE: CONFIGURABLE
};

var uncurryThis$8 = functionUncurryThis;
var isCallable$e = isCallable$k;
var store$1 = sharedStore;

var functionToString = uncurryThis$8(Function.toString);

// this helper broken in `core-js@3.4.1-3.4.4`, so we can't use `shared` helper
if (!isCallable$e(store$1.inspectSource)) {
  store$1.inspectSource = function (it) {
    return functionToString(it);
  };
}

var inspectSource$4 = store$1.inspectSource;

var global$c = global$j;
var isCallable$d = isCallable$k;
var inspectSource$3 = inspectSource$4;

var WeakMap$1 = global$c.WeakMap;

var nativeWeakMap = isCallable$d(WeakMap$1) && /native code/.test(inspectSource$3(WeakMap$1));

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

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

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

var hiddenKeys$4 = {};

var NATIVE_WEAK_MAP = nativeWeakMap;
var global$b = global$j;
var uncurryThis$7 = functionUncurryThis;
var isObject$2 = isObject$7;
var createNonEnumerableProperty$3 = createNonEnumerableProperty$4;
var hasOwn$6 = hasOwnProperty_1;
var shared = sharedStore;
var sharedKey$2 = sharedKey$3;
var hiddenKeys$3 = hiddenKeys$4;

var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
var TypeError$2 = global$b.TypeError;
var WeakMap = global$b.WeakMap;
var set$1, get, has;

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

var getterFor = function (TYPE) {
  return function (it) {
    var state;
    if (!isObject$2(it) || (state = get(it)).type !== TYPE) {
      throw TypeError$2('Incompatible receiver, ' + TYPE + ' required');
    } return state;
  };
};

if (NATIVE_WEAK_MAP || shared.state) {
  var store = shared.state || (shared.state = new WeakMap());
  var wmget = uncurryThis$7(store.get);
  var wmhas = uncurryThis$7(store.has);
  var wmset = uncurryThis$7(store.set);
  set$1 = function (it, metadata) {
    if (wmhas(store, it)) throw new TypeError$2(OBJECT_ALREADY_INITIALIZED);
    metadata.facade = it;
    wmset(store, it, metadata);
    return metadata;
  };
  get = function (it) {
    return wmget(store, it) || {};
  };
  has = function (it) {
    return wmhas(store, it);
  };
} else {
  var STATE = sharedKey$2('state');
  hiddenKeys$3[STATE] = true;
  set$1 = function (it, metadata) {
    if (hasOwn$6(it, STATE)) throw new TypeError$2(OBJECT_ALREADY_INITIALIZED);
    metadata.facade = it;
    createNonEnumerableProperty$3(it, STATE, metadata);
    return metadata;
  };
  get = function (it) {
    return hasOwn$6(it, STATE) ? it[STATE] : {};
  };
  has = function (it) {
    return hasOwn$6(it, STATE);
  };
}

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

var fails$6 = fails$d;
var isCallable$c = isCallable$k;
var hasOwn$5 = hasOwnProperty_1;
var DESCRIPTORS$4 = descriptors;
var CONFIGURABLE_FUNCTION_NAME$1 = functionName.CONFIGURABLE;
var inspectSource$2 = inspectSource$4;
var InternalStateModule$2 = internalState;

var enforceInternalState = InternalStateModule$2.enforce;
var getInternalState$1 = InternalStateModule$2.get;
// eslint-disable-next-line es-x/no-object-defineproperty -- safe
var defineProperty$4 = Object.defineProperty;

var CONFIGURABLE_LENGTH = DESCRIPTORS$4 && !fails$6(function () {
  return defineProperty$4(function () { /* empty */ }, 'length', { value: 8 }).length !== 8;
});

var TEMPLATE = String(String).split('String');

var makeBuiltIn$1 = makeBuiltIn$2.exports = function (value, name, options) {
  if (String(name).slice(0, 7) === 'Symbol(') {
    name = '[' + String(name).replace(/^Symbol\(([^)]*)\)/, '$1') + ']';
  }
  if (options && options.getter) name = 'get ' + name;
  if (options && options.setter) name = 'set ' + name;
  if (!hasOwn$5(value, 'name') || (CONFIGURABLE_FUNCTION_NAME$1 && value.name !== name)) {
    if (DESCRIPTORS$4) defineProperty$4(value, 'name', { value: name, configurable: true });
    else value.name = name;
  }
  if (CONFIGURABLE_LENGTH && options && hasOwn$5(options, 'arity') && value.length !== options.arity) {
    defineProperty$4(value, 'length', { value: options.arity });
  }
  try {
    if (options && hasOwn$5(options, 'constructor') && options.constructor) {
      if (DESCRIPTORS$4) defineProperty$4(value, 'prototype', { writable: false });
    // in V8 ~ Chrome 53, prototypes of some methods, like `Array.prototype.values`, are non-writable
    } else if (value.prototype) value.prototype = undefined;
  } catch (error) { /* empty */ }
  var state = enforceInternalState(value);
  if (!hasOwn$5(state, 'source')) {
    state.source = TEMPLATE.join(typeof name == 'string' ? name : '');
  } return value;
};

// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
// eslint-disable-next-line no-extend-native -- required
Function.prototype.toString = makeBuiltIn$1(function toString() {
  return isCallable$c(this) && getInternalState$1(this).source || inspectSource$2(this);
}, 'toString');

var isCallable$b = isCallable$k;
var definePropertyModule$3 = objectDefineProperty;
var makeBuiltIn = makeBuiltIn$2.exports;
var defineGlobalProperty$1 = defineGlobalProperty$3;

var defineBuiltIn$5 = function (O, key, value, options) {
  if (!options) options = {};
  var simple = options.enumerable;
  var name = options.name !== undefined ? options.name : key;
  if (isCallable$b(value)) makeBuiltIn(value, name, options);
  if (options.global) {
    if (simple) O[key] = value;
    else defineGlobalProperty$1(key, value);
  } else {
    try {
      if (!options.unsafe) delete O[key];
      else if (O[key]) simple = true;
    } catch (error) { /* empty */ }
    if (simple) O[key] = value;
    else definePropertyModule$3.f(O, key, {
      value: value,
      enumerable: false,
      configurable: !options.nonConfigurable,
      writable: !options.nonWritable
    });
  } return O;
};

var objectGetOwnPropertyNames = {};

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

// `Math.trunc` method
// https://tc39.es/ecma262/#sec-math.trunc
// eslint-disable-next-line es-x/no-math-trunc -- safe
var mathTrunc = Math.trunc || function trunc(x) {
  var n = +x;
  return (n > 0 ? floor : ceil)(n);
};

var trunc = mathTrunc;

// `ToIntegerOrInfinity` abstract operation
// https://tc39.es/ecma262/#sec-tointegerorinfinity
var toIntegerOrInfinity$2 = function (argument) {
  var number = +argument;
  // eslint-disable-next-line no-self-compare -- NaN check
  return number !== number || number === 0 ? 0 : trunc(number);
};

var toIntegerOrInfinity$1 = toIntegerOrInfinity$2;

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

var toIntegerOrInfinity = toIntegerOrInfinity$2;

var min = Math.min;

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

var toLength = toLength$1;

// `LengthOfArrayLike` abstract operation
// https://tc39.es/ecma262/#sec-lengthofarraylike
var lengthOfArrayLike$2 = function (obj) {
  return toLength(obj.length);
};

var toIndexedObject$3 = toIndexedObject$5;
var toAbsoluteIndex = toAbsoluteIndex$1;
var lengthOfArrayLike$1 = lengthOfArrayLike$2;

// `Array.prototype.{ indexOf, includes }` methods implementation
var createMethod = function (IS_INCLUDES) {
  return function ($this, el, fromIndex) {
    var O = toIndexedObject$3($this);
    var length = lengthOfArrayLike$1(O);
    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(true),
  // `Array.prototype.indexOf` method
  // https://tc39.es/ecma262/#sec-array.prototype.indexof
  indexOf: createMethod(false)
};

var uncurryThis$6 = functionUncurryThis;
var hasOwn$4 = hasOwnProperty_1;
var toIndexedObject$2 = toIndexedObject$5;
var indexOf = arrayIncludes.indexOf;
var hiddenKeys$2 = hiddenKeys$4;

var push = uncurryThis$6([].push);

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

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

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

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

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

var objectGetOwnPropertySymbols = {};

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

var getBuiltIn$5 = getBuiltIn$8;
var uncurryThis$5 = functionUncurryThis;
var getOwnPropertyNamesModule = objectGetOwnPropertyNames;
var getOwnPropertySymbolsModule$1 = objectGetOwnPropertySymbols;
var anObject$8 = anObject$a;

var concat$1 = uncurryThis$5([].concat);

// all object keys, includes non-enumerable and symbols
var ownKeys$1 = getBuiltIn$5('Reflect', 'ownKeys') || function ownKeys(it) {
  var keys = getOwnPropertyNamesModule.f(anObject$8(it));
  var getOwnPropertySymbols = getOwnPropertySymbolsModule$1.f;
  return getOwnPropertySymbols ? concat$1(keys, getOwnPropertySymbols(it)) : keys;
};

var hasOwn$3 = hasOwnProperty_1;
var ownKeys = ownKeys$1;
var getOwnPropertyDescriptorModule = objectGetOwnPropertyDescriptor;
var definePropertyModule$2 = objectDefineProperty;

var copyConstructorProperties$1 = function (target, source, exceptions) {
  var keys = ownKeys(source);
  var defineProperty = definePropertyModule$2.f;
  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    if (!hasOwn$3(target, key) && !(exceptions && hasOwn$3(exceptions, key))) {
      defineProperty(target, key, getOwnPropertyDescriptor(source, key));
    }
  }
};

var fails$5 = fails$d;
var isCallable$a = isCallable$k;

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

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

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

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

var isForced_1 = isForced$2;

var global$a = global$j;
var getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;
var createNonEnumerableProperty$2 = createNonEnumerableProperty$4;
var defineBuiltIn$4 = defineBuiltIn$5;
var defineGlobalProperty = defineGlobalProperty$3;
var copyConstructorProperties = copyConstructorProperties$1;
var isForced$1 = isForced_1;

/*
  options.target         - name of the target object
  options.global         - target is the global object
  options.stat           - export as static methods of target
  options.proto          - export as prototype methods of target
  options.real           - real prototype method for the `pure` version
  options.forced         - export even if the native feature is available
  options.bind           - bind methods to the target, required for the `pure` version
  options.wrap           - wrap constructors to preventing global pollution, required for the `pure` version
  options.unsafe         - use the simple assignment of property instead of delete + defineProperty
  options.sham           - add a flag to not completely full polyfills
  options.enumerable     - export as enumerable property
  options.dontCallGetSet - prevent calling a getter on target
  options.name           - the .name of the function if it does not match the key
*/
var _export = function (options, source) {
  var TARGET = options.target;
  var GLOBAL = options.global;
  var STATIC = options.stat;
  var FORCED, target, key, targetProperty, sourceProperty, descriptor;
  if (GLOBAL) {
    target = global$a;
  } else if (STATIC) {
    target = global$a[TARGET] || defineGlobalProperty(TARGET, {});
  } else {
    target = (global$a[TARGET] || {}).prototype;
  }
  if (target) for (key in source) {
    sourceProperty = source[key];
    if (options.dontCallGetSet) {
      descriptor = getOwnPropertyDescriptor$1(target, key);
      targetProperty = descriptor && descriptor.value;
    } else targetProperty = target[key];
    FORCED = isForced$1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
    // contained in target
    if (!FORCED && targetProperty !== undefined) {
      if (typeof sourceProperty == typeof targetProperty) continue;
      copyConstructorProperties(sourceProperty, targetProperty);
    }
    // add a flag to not completely full polyfills
    if (options.sham || (targetProperty && targetProperty.sham)) {
      createNonEnumerableProperty$2(sourceProperty, 'sham', true);
    }
    defineBuiltIn$4(target, key, sourceProperty, options);
  }
};

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

// `Object.keys` method
// https://tc39.es/ecma262/#sec-object.keys
// eslint-disable-next-line es-x/no-object-keys -- safe
var objectKeys$2 = Object.keys || function keys(O) {
  return internalObjectKeys(O, enumBugKeys$1);
};

var DESCRIPTORS$3 = descriptors;
var uncurryThis$4 = functionUncurryThis;
var call$9 = functionCall;
var fails$4 = fails$d;
var objectKeys$1 = objectKeys$2;
var getOwnPropertySymbolsModule = objectGetOwnPropertySymbols;
var propertyIsEnumerableModule = objectPropertyIsEnumerable;
var toObject$1 = toObject$3;
var IndexedObject = indexedObject;

// eslint-disable-next-line es-x/no-object-assign -- safe
var $assign = Object.assign;
// eslint-disable-next-line es-x/no-object-defineproperty -- required for testing
var defineProperty$3 = Object.defineProperty;
var concat = uncurryThis$4([].concat);

// `Object.assign` method
// https://tc39.es/ecma262/#sec-object.assign
var objectAssign = !$assign || fails$4(function () {
  // should have correct order of operations (Edge bug)
  if (DESCRIPTORS$3 && $assign({ b: 1 }, $assign(defineProperty$3({}, 'a', {
    enumerable: true,
    get: function () {
      defineProperty$3(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-x/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$1($assign({}, B)).join('') != alphabet;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars -- required for `.length`
  var T = toObject$1(target);
  var argumentsLength = arguments.length;
  var index = 1;
  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
  var propertyIsEnumerable = propertyIsEnumerableModule.f;
  while (argumentsLength > index) {
    var S = IndexedObject(arguments[index++]);
    var keys = getOwnPropertySymbols ? concat(objectKeys$1(S), getOwnPropertySymbols(S)) : objectKeys$1(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) {
      key = keys[j++];
      if (!DESCRIPTORS$3 || call$9(propertyIsEnumerable, S, key)) T[key] = S[key];
    }
  } return T;
} : $assign;

var $$7 = _export;
var assign = objectAssign;

// `Object.assign` method
// https://tc39.es/ecma262/#sec-object.assign
// eslint-disable-next-line es-x/no-object-assign -- required for testing
$$7({ target: 'Object', stat: true, arity: 2, forced: Object.assign !== assign }, {
  assign: assign
});

const DefaultViewport = {
  scale: 0,
  invert: false,
  hflip: false,
  vflip: false,
  rotation: 0,
  x: 0,
  y: 0,
  windowWidth: 0,
  windowCenter: 0,
  _viewportOptions: DEFAULT_VIEWPORT_OPTIONS
}; // Format Cornerstone's viewport to viewer's viewport prop.

function formatViewerViewport(cornerstoneViewport) {
  if (!cornerstoneViewport) return DefaultViewport;
  const {
    scale,
    invert,
    hflip,
    vflip,
    rotation,
    translation,
    voi
  } = cornerstoneViewport;
  return {
    scale,
    invert,
    hflip,
    vflip,
    rotation,
    x: translation.x,
    y: translation.y,
    windowWidth: voi.windowWidth,
    windowCenter: voi.windowCenter,
    _viewportOptions: DEFAULT_VIEWPORT_OPTIONS
  };
} // Format the viewer's viewport prop to Cornerstone viewport.

function formatCornerstoneViewport(cornerstoneViewport, viewport = {}) {
  var _a, _b, _c, _d, _e, _f, _g, _h, _j;

  return Object.assign(Object.assign({}, cornerstoneViewport), {
    scale: (_a = viewport.scale) !== null && _a !== void 0 ? _a : cornerstoneViewport.scale,
    invert: (_b = viewport.invert) !== null && _b !== void 0 ? _b : cornerstoneViewport.invert,
    hflip: (_c = viewport.hflip) !== null && _c !== void 0 ? _c : cornerstoneViewport.hflip,
    vflip: (_d = viewport.vflip) !== null && _d !== void 0 ? _d : cornerstoneViewport.vflip,
    rotation: (_e = viewport.rotation) !== null && _e !== void 0 ? _e : cornerstoneViewport.rotation,
    translation: {
      x: (_f = viewport.x) !== null && _f !== void 0 ? _f : cornerstoneViewport.translation.x,
      y: (_g = viewport.y) !== null && _g !== void 0 ? _g : cornerstoneViewport.translation.y
    },
    voi: {
      windowWidth: (_h = viewport.windowWidth) !== null && _h !== void 0 ? _h : cornerstoneViewport.voi.windowWidth,
      windowCenter: (_j = viewport.windowCenter) !== null && _j !== void 0 ? _j : cornerstoneViewport.voi.windowCenter
    }
  });
}

function enable(element) {
  cornerstone__default["default"].enable(element);
}
function disable(element) {
  cornerstone__default["default"].disable(element);
}
function resize(element) {
  cornerstone__default["default"].resize(element);
}
function getCornerstone() {
  return cornerstone__default["default"];
}
function displayImage(element, image, viewportOption) {
  // Returns a default viewport for display the specified image on the specified enabled element.
  const defaultViewport = cornerstone__default["default"].getDefaultViewportForImage(element, image);
  const viewport = viewportOption ? formatCornerstoneViewport(defaultViewport, viewportOption) : defaultViewport;
  cornerstone__default["default"].displayImage(element, image, viewport);
  return {
    viewport,
    defaultViewport,
    image
  };
}
function loadImage$1(imageId, options) {
  /*
    cornerstone.loadImage() 의 원래 리턴 값은 Promise<CornerstoneImage> 이지만,
    options로 인하여 data field 가 추가된 것으로 보임
  */
  const cornerstoneImage = cornerstone__default["default"].loadImage(imageId, options);
  return cornerstoneImage;
}
function getViewport(element) {
  return cornerstone__default["default"].getViewport(element);
}
function setViewport(element, viewport) {
  return cornerstone__default["default"].setViewport(element, viewport);
}
function getEnabledElement(element) {
  return cornerstone__default["default"].getEnabledElement(element);
}
function setToPixelCoordinateSystem(element, context) {
  return cornerstone__default["default"].setToPixelCoordinateSystem(element, context);
}
function pixelToCanvas(element, points) {
  return cornerstone__default["default"].pixelToCanvas(element, points);
}
function getDefaultViewportForImage(element, image) {
  return cornerstone__default["default"].getDefaultViewportForImage(element, image);
}
function pageToPixel(element, pageX, pageY) {
  return cornerstone__default["default"].pageToPixel(element, pageX, pageY);
}

var index = /*#__PURE__*/Object.freeze({
  __proto__: null,
  enable: enable,
  disable: disable,
  resize: resize,
  getCornerstone: getCornerstone,
  displayImage: displayImage,
  loadImage: loadImage$1,
  getViewport: getViewport,
  setViewport: setViewport,
  getEnabledElement: getEnabledElement,
  setToPixelCoordinateSystem: setToPixelCoordinateSystem,
  pixelToCanvas: pixelToCanvas,
  getDefaultViewportForImage: getDefaultViewportForImage,
  pageToPixel: pageToPixel,
  DefaultViewport: DefaultViewport,
  formatViewerViewport: formatViewerViewport,
  formatCornerstoneViewport: formatCornerstoneViewport
});

var objectDefineProperties = {};

var DESCRIPTORS$2 = descriptors;
var V8_PROTOTYPE_DEFINE_BUG = v8PrototypeDefineBug;
var definePropertyModule$1 = objectDefineProperty;
var anObject$7 = anObject$a;
var toIndexedObject$1 = toIndexedObject$5;
var objectKeys = objectKeys$2;

// `Object.defineProperties` method
// https://tc39.es/ecma262/#sec-object.defineproperties
// eslint-disable-next-line es-x/no-object-defineproperties -- safe
objectDefineProperties.f = DESCRIPTORS$2 && !V8_PROTOTYPE_DEFINE_BUG ? Object.defineProperties : function defineProperties(O, Properties) {
  anObject$7(O);
  var props = toIndexedObject$1(Properties);
  var keys = objectKeys(Properties);
  var length = keys.length;
  var index = 0;
  var key;
  while (length > index) definePropertyModule$1.f(O, key = keys[index++], props[key]);
  return O;
};

var getBuiltIn$4 = getBuiltIn$8;

var html$2 = getBuiltIn$4('document', 'documentElement');

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

var anObject$6 = anObject$a;
var definePropertiesModule = objectDefineProperties;
var enumBugKeys = enumBugKeys$3;
var hiddenKeys = hiddenKeys$4;
var html$1 = html$2;
var documentCreateElement$1 = documentCreateElement$2;
var sharedKey$1 = sharedKey$3;

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

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

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

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

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var NullProtoObjectViaIFrame = function () {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = documentCreateElement$1('iframe');
  var JS = 'java' + SCRIPT + ':';
  var iframeDocument;
  iframe.style.display = 'none';
  html$1.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 = typeof document != 'undefined'
    ? document.domain && activeXDocument
      ? NullProtoObjectViaActiveX(activeXDocument) // old IE
      : NullProtoObjectViaIFrame()
    : NullProtoObjectViaActiveX(activeXDocument); // WSH
  var length = enumBugKeys.length;
  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
  return NullProtoObject();
};

hiddenKeys[IE_PROTO$1] = true;

// `Object.create` method
// https://tc39.es/ecma262/#sec-object.create
// eslint-disable-next-line es-x/no-object-create -- safe
var objectCreate = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    EmptyConstructor[PROTOTYPE] = anObject$6(O);
    result = new EmptyConstructor();
    EmptyConstructor[PROTOTYPE] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO$1] = O;
  } else result = NullProtoObject();
  return Properties === undefined ? result : definePropertiesModule.f(result, Properties);
};

var wellKnownSymbol$c = wellKnownSymbol$e;
var create$1 = objectCreate;
var defineProperty$2 = objectDefineProperty.f;

var UNSCOPABLES = wellKnownSymbol$c('unscopables');
var ArrayPrototype$1 = Array.prototype;

// Array.prototype[@@unscopables]
// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype$1[UNSCOPABLES] == undefined) {
  defineProperty$2(ArrayPrototype$1, UNSCOPABLES, {
    configurable: true,
    value: create$1(null)
  });
}

// add a key to Array.prototype[@@unscopables]
var addToUnscopables$1 = function (key) {
  ArrayPrototype$1[UNSCOPABLES][key] = true;
};

var iterators = {};

var fails$3 = fails$d;

var correctPrototypeGetter = !fails$3(function () {
  function F() { /* empty */ }
  F.prototype.constructor = null;
  // eslint-disable-next-line es-x/no-object-getprototypeof -- required for testing
  return Object.getPrototypeOf(new F()) !== F.prototype;
});

var hasOwn$2 = hasOwnProperty_1;
var isCallable$9 = isCallable$k;
var toObject = toObject$3;
var sharedKey = sharedKey$3;
var CORRECT_PROTOTYPE_GETTER = correctPrototypeGetter;

var IE_PROTO = sharedKey('IE_PROTO');
var $Object$1 = Object;
var ObjectPrototype = $Object$1.prototype;

// `Object.getPrototypeOf` method
// https://tc39.es/ecma262/#sec-object.getprototypeof
// eslint-disable-next-line es-x/no-object-getprototypeof -- safe
var objectGetPrototypeOf = CORRECT_PROTOTYPE_GETTER ? $Object$1.getPrototypeOf : function (O) {
  var object = toObject(O);
  if (hasOwn$2(object, IE_PROTO)) return object[IE_PROTO];
  var constructor = object.constructor;
  if (isCallable$9(constructor) && object instanceof constructor) {
    return constructor.prototype;
  } return object instanceof $Object$1 ? ObjectPrototype : null;
};

var fails$2 = fails$d;
var isCallable$8 = isCallable$k;
var getPrototypeOf$1 = objectGetPrototypeOf;
var defineBuiltIn$3 = defineBuiltIn$5;
var wellKnownSymbol$b = wellKnownSymbol$e;

var ITERATOR$5 = wellKnownSymbol$b('iterator');
var BUGGY_SAFARI_ITERATORS$1 = false;

// `%IteratorPrototype%` object
// https://tc39.es/ecma262/#sec-%iteratorprototype%-object
var IteratorPrototype$2, PrototypeOfArrayIteratorPrototype, arrayIterator;

/* eslint-disable es-x/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 = getPrototypeOf$1(getPrototypeOf$1(arrayIterator));
    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype$2 = PrototypeOfArrayIteratorPrototype;
  }
}

var NEW_ITERATOR_PROTOTYPE = IteratorPrototype$2 == undefined || fails$2(function () {
  var test = {};
  // FF44- legacy iterators case
  return IteratorPrototype$2[ITERATOR$5].call(test) !== test;
});

if (NEW_ITERATOR_PROTOTYPE) IteratorPrototype$2 = {};

// `%IteratorPrototype%[@@iterator]()` method
// https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator
if (!isCallable$8(IteratorPrototype$2[ITERATOR$5])) {
  defineBuiltIn$3(IteratorPrototype$2, ITERATOR$5, function () {
    return this;
  });
}

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

var defineProperty$1 = objectDefineProperty.f;
var hasOwn$1 = hasOwnProperty_1;
var wellKnownSymbol$a = wellKnownSymbol$e;

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

var setToStringTag$3 = function (target, TAG, STATIC) {
  if (target && !STATIC) target = target.prototype;
  if (target && !hasOwn$1(target, TO_STRING_TAG$3)) {
    defineProperty$1(target, TO_STRING_TAG$3, { configurable: true, value: TAG });
  }
};

var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;
var create = objectCreate;
var createPropertyDescriptor = createPropertyDescriptor$3;
var setToStringTag$2 = setToStringTag$3;
var Iterators$4 = iterators;