@googlemaps/js-api-loader/dist/index.dev.js

Wrapper for the loading of Google Maps JavaScript API script in the browser

this.google = this.google || {};
this.google.maps = this.google.maps || {};
this.google.maps.plugins = this.google.maps.plugins || {};
this.google.maps.plugins.loader = (function (exports) {
  'use strict';

  function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  }

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

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

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

  var check = function (it) {
    return it && it.Math == Math && it;
  }; // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028


  var global_1 =
  /* global globalThis -- safe */
  check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || 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 () {
    return Object.defineProperty({}, 1, {
      get: function () {
        return 7;
      }
    })[1] != 7;
  });

  var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
  var getOwnPropertyDescriptor$2 = Object.getOwnPropertyDescriptor; // Nashorn ~ JDK8 bug

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

  var f$5 = NASHORN_BUG ? function propertyIsEnumerable(V) {
    var descriptor = getOwnPropertyDescriptor$2(this, V);
    return !!descriptor && descriptor.enumerable;
  } : nativePropertyIsEnumerable;
  var objectPropertyIsEnumerable = {
    f: f$5
  };

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

  var toString = {}.toString;

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

  var split = ''.split; // fallback for non-array-like ES3 and non-enumerable old V8 strings

  var indexedObject = fails(function () {
    // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
    // eslint-disable-next-line no-prototype-builtins -- 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 = function (it) {
    return typeof it === 'object' ? it !== null : typeof it === 'function';
  };

  // https://tc39.es/ecma262/#sec-toprimitive
  // instead of the ES6 spec version, we didn't implement @@toPrimitive case
  // and the second argument - flag - preferred type is a string

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

  var hasOwnProperty = {}.hasOwnProperty;

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

  var document$3 = global_1.document; // typeof document.createElement is 'object' in old IE

  var EXISTS = isObject(document$3) && isObject(document$3.createElement);

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

  var ie8DomDefine = !descriptors && !fails(function () {
    return Object.defineProperty(documentCreateElement('div'), 'a', {
      get: function () {
        return 7;
      }
    }).a != 7;
  });

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

  var f$4 = descriptors ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
    O = toIndexedObject(O);
    P = toPrimitive(P, true);
    if (ie8DomDefine) try {
      return nativeGetOwnPropertyDescriptor(O, P);
    } catch (error) {
      /* empty */
    }
    if (has$1(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
  };
  var objectGetOwnPropertyDescriptor = {
    f: f$4
  };

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

    return it;
  };

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

  var f$3 = descriptors ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPrimitive(P, true);
    anObject(Attributes);
    if (ie8DomDefine) try {
      return nativeDefineProperty(O, P, Attributes);
    } catch (error) {
      /* empty */
    }
    if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
    if ('value' in Attributes) O[P] = Attributes.value;
    return O;
  };
  var objectDefineProperty = {
    f: f$3
  };

  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 setGlobal = function (key, value) {
    try {
      createNonEnumerableProperty(global_1, key, value);
    } 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 functionToString = Function.toString; // this helper broken in `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 shared = createCommonjsModule(function (module) {
    (module.exports = function (key, value) {
      return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
    })('versions', []).push({
      version: '3.9.1',
      mode: 'global',
      copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
    });
  });

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

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

  var keys = shared('keys');

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

  var hiddenKeys$1 = {};

  var WeakMap = global_1.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(it) || (state = get(it)).type !== TYPE) {
        throw TypeError('Incompatible receiver, ' + TYPE + ' required');
      }

      return state;
    };
  };

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

    set$1 = function (it, metadata) {
      metadata.facade = it;
      wmset.call(store, it, metadata);
      return metadata;
    };

    get = 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$1 = function (it, metadata) {
      metadata.facade = it;
      createNonEnumerableProperty(it, STATE, metadata);
      return metadata;
    };

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

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

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

  var redefine = createCommonjsModule(function (module) {
    var getInternalState = internalState.get;
    var enforceInternalState = internalState.enforce;
    var TEMPLATE = String(String).split('String');
    (module.exports = function (O, key, value, options) {
      var unsafe = options ? !!options.unsafe : false;
      var simple = options ? !!options.enumerable : false;
      var noTargetGet = options ? !!options.noTargetGet : false;
      var state;

      if (typeof value == 'function') {
        if (typeof key == 'string' && !has$1(value, 'name')) {
          createNonEnumerableProperty(value, 'name', key);
        }

        state = enforceInternalState(value);

        if (!state.source) {
          state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
        }
      }

      if (O === global_1) {
        if (simple) O[key] = value;else setGlobal(key, value);
        return;
      } else if (!unsafe) {
        delete O[key];
      } else if (!noTargetGet && O[key]) {
        simple = true;
      }

      if (simple) O[key] = value;else createNonEnumerableProperty(O, key, value); // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
    })(Function.prototype, 'toString', function toString() {
      return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
    });
  });

  var path = global_1;

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

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

  var min$1 = Math.min; // `ToLength` abstract operation
  // https://tc39.es/ecma262/#sec-tolength

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

  var max = Math.max;
  var min = 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(integer + length, 0) : min(integer, length);
  };

  var createMethod$1 = function (IS_INCLUDES) {
    return function ($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$1(true),
    // `Array.prototype.indexOf` method
    // https://tc39.es/ecma262/#sec-array.prototype.indexof
    indexOf: createMethod$1(false)
  };

  var indexOf = arrayIncludes.indexOf;

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

    for (key in O) !has$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(result, key) || result.push(key);
    }

    return result;
  };

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

  var hiddenKeys = enumBugKeys.concat('length', 'prototype'); // `Object.getOwnPropertyNames` method
  // https://tc39.es/ecma262/#sec-object.getownpropertynames

  var f$2 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
    return objectKeysInternal(O, hiddenKeys);
  };

  var objectGetOwnPropertyNames = {
    f: f$2
  };

  var f$1 = Object.getOwnPropertySymbols;
  var objectGetOwnPropertySymbols = {
    f: f$1
  };

  var ownKeys = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
    var keys = objectGetOwnPropertyNames.f(anObject(it));
    var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
    return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
  };

  var copyConstructorProperties = function (target, source) {
    var keys = ownKeys(source);
    var defineProperty = objectDefineProperty.f;
    var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;

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

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

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

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

  var data = isForced.data = {};
  var NATIVE = isForced.NATIVE = 'N';
  var POLYFILL = isForced.POLYFILL = 'P';
  var isForced_1 = isForced;

  var getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;
  /*
    options.target      - name of the target object
    options.global      - target is the global object
    options.stat        - export as static methods of target
    options.proto       - export as prototype methods of target
    options.real        - real prototype method for the `pure` version
    options.forced      - export even if the native feature is available
    options.bind        - bind methods to the target, required for the `pure` version
    options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
    options.unsafe      - use the simple assignment of property instead of delete + defineProperty
    options.sham        - add a flag to not completely full polyfills
    options.enumerable  - export as enumerable property
    options.noTargetGet - prevent calling a getter on target
  */

  var _export = function (options, source) {
    var TARGET = options.target;
    var GLOBAL = options.global;
    var STATIC = options.stat;
    var FORCED, target, key, targetProperty, sourceProperty, descriptor;

    if (GLOBAL) {
      target = global_1;
    } else if (STATIC) {
      target = global_1[TARGET] || setGlobal(TARGET, {});
    } else {
      target = (global_1[TARGET] || {}).prototype;
    }

    if (target) for (key in source) {
      sourceProperty = source[key];

      if (options.noTargetGet) {
        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(sourceProperty, 'sham', true);
      } // extend global


      redefine(target, key, sourceProperty, options);
    }
  };

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

  var isArray = Array.isArray || function isArray(arg) {
    return classofRaw(arg) == 'Array';
  };

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

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

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

  var engineIsNode = classofRaw(global_1.process) == 'process';

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

  var process$3 = global_1.process;
  var versions = process$3 && process$3.versions;
  var v8 = versions && versions.v8;
  var match, version;

  if (v8) {
    match = v8.split('.');
    version = 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;

  var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(function () {
    /* global Symbol -- required for testing */
    return !Symbol.sham && ( // Chrome 38 Symbol has incorrect toString conversion
    // Chrome 38-40 symbols are not inherited from DOM collections prototypes to instances
    engineIsNode ? engineV8Version === 38 : engineV8Version > 37 && engineV8Version < 41);
  });

  var useSymbolAsUid = nativeSymbol
  /* global Symbol -- safe */
  && !Symbol.sham && typeof Symbol.iterator == 'symbol';

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

    return WellKnownSymbolsStore[name];
  };

  var SPECIES$4 = wellKnownSymbol('species'); // `ArraySpeciesCreate` abstract operation
  // https://tc39.es/ecma262/#sec-arrayspeciescreate

  var arraySpeciesCreate = function (originalArray, length) {
    var C;

    if (isArray(originalArray)) {
      C = originalArray.constructor; // cross-realm fallback

      if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;else if (isObject(C)) {
        C = C[SPECIES$4];
        if (C === null) C = undefined;
      }
    }

    return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
  };

  var SPECIES$3 = wellKnownSymbol('species');

  var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
    // We can't use this feature detection in V8 since it causes
    // deoptimization and serious performance degradation
    // https://github.com/zloirock/core-js/issues/677
    return engineV8Version >= 51 || !fails(function () {
      var array = [];
      var constructor = array.constructor = {};

      constructor[SPECIES$3] = function () {
        return {
          foo: 1
        };
      };

      return array[METHOD_NAME](Boolean).foo !== 1;
    });
  };

  var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
  var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
  var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded'; // We can't use this feature detection in V8 since it causes
  // deoptimization and serious performance degradation
  // https://github.com/zloirock/core-js/issues/679

  var IS_CONCAT_SPREADABLE_SUPPORT = engineV8Version >= 51 || !fails(function () {
    var array = [];
    array[IS_CONCAT_SPREADABLE] = false;
    return array.concat()[0] !== array;
  });
  var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');

  var isConcatSpreadable = function (O) {
    if (!isObject(O)) return false;
    var spreadable = O[IS_CONCAT_SPREADABLE];
    return spreadable !== undefined ? !!spreadable : isArray(O);
  };

  var FORCED$1 = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT; // `Array.prototype.concat` method
  // https://tc39.es/ecma262/#sec-array.prototype.concat
  // with adding support of @@isConcatSpreadable and @@species

  _export({
    target: 'Array',
    proto: true,
    forced: FORCED$1
  }, {
    // eslint-disable-next-line no-unused-vars -- required for `.length`
    concat: function concat(arg) {
      var O = toObject(this);
      var A = arraySpeciesCreate(O, 0);
      var n = 0;
      var i, k, length, len, E;

      for (i = -1, length = arguments.length; i < length; i++) {
        E = i === -1 ? O : arguments[i];

        if (isConcatSpreadable(E)) {
          len = toLength(E.length);
          if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);

          for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
        } else {
          if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
          createProperty(A, n++, E);
        }
      }

      A.length = n;
      return A;
    }
  });

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

  var nativeJoin = [].join;
  var ES3_STRINGS = indexedObject != Object;
  var STRICT_METHOD$1 = arrayMethodIsStrict('join', ','); // `Array.prototype.join` method
  // https://tc39.es/ecma262/#sec-array.prototype.join

  _export({
    target: 'Array',
    proto: true,
    forced: ES3_STRINGS || !STRICT_METHOD$1
  }, {
    join: function join(separator) {
      return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
    }
  });

  var nativePromiseConstructor = global_1.Promise;

  var redefineAll = function (target, src, options) {
    for (var key in src) redefine(target, key, src[key], options);

    return target;
  };

  var defineProperty = objectDefineProperty.f;
  var TO_STRING_TAG$2 = wellKnownSymbol('toStringTag');

  var setToStringTag = function (it, TAG, STATIC) {
    if (it && !has$1(it = STATIC ? it : it.prototype, TO_STRING_TAG$2)) {
      defineProperty(it, TO_STRING_TAG$2, {
        configurable: true,
        value: TAG
      });
    }
  };

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

  var setSpecies = function (CONSTRUCTOR_NAME) {
    var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
    var defineProperty = objectDefineProperty.f;

    if (descriptors && Constructor && !Constructor[SPECIES$2]) {
      defineProperty(Constructor, SPECIES$2, {
        configurable: true,
        get: function () {
          return this;
        }
      });
    }
  };

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

    return it;
  };

  var anInstance = function (it, Constructor, name) {
    if (!(it instanceof Constructor)) {
      throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
    }

    return it;
  };

  var iterators = {};

  var ITERATOR$2 = wellKnownSymbol('iterator');
  var ArrayPrototype = Array.prototype; // check on default Array iterator

  var isArrayIteratorMethod = function (it) {
    return it !== undefined && (iterators.Array === it || ArrayPrototype[ITERATOR$2] === 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 ()
    /* ...args */
    {
      return fn.apply(that, arguments);
    };
  };

  var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
  var test = {};
  test[TO_STRING_TAG$1] = 'z';
  var toStringTagSupport = String(test) === '[object z]';

  var TO_STRING_TAG = wellKnownSymbol('toStringTag'); // ES3 wrong here

  var CORRECT_ARGUMENTS = classofRaw(function () {
    return arguments;
  }()) == 'Arguments'; // fallback for IE11 Script Access Denied error

  var tryGet = function (it, key) {
    try {
      return it[key];
    } catch (error) {
      /* empty */
    }
  }; // getting tag from ES6+ `Object.prototype.toString`


  var classof = 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)) == 'string' ? tag // builtinTag case
    : CORRECT_ARGUMENTS ? classofRaw(O) // ES3 arguments fallback
    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
  };

  var ITERATOR$1 = wellKnownSymbol('iterator');

  var getIteratorMethod = function (it) {
    if (it != undefined) return it[ITERATOR$1] || it['@@iterator'] || iterators[classof(it)];
  };

  var iteratorClose = function (iterator) {
    var returnMethod = iterator['return'];

    if (returnMethod !== undefined) {
      return anObject(returnMethod.call(iterator)).value;
    }
  };

  var Result = function (stopped, result) {
    this.stopped = stopped;
    this.result = result;
  };

  var iterate = function (iterable, unboundFunction, options) {
    var that = options && options.that;
    var AS_ENTRIES = !!(options && options.AS_ENTRIES);
    var IS_ITERATOR = !!(options && options.IS_ITERATOR);
    var INTERRUPTED = !!(options && options.INTERRUPTED);
    var fn = functionBindContext(unboundFunction, that, 1 + AS_ENTRIES + INTERRUPTED);
    var iterator, iterFn, index, length, result, next, step;

    var stop = function (condition) {
      if (iterator) iteratorClose(iterator);
      return new Result(true, condition);
    };

    var callFn = function (value) {
      if (AS_ENTRIES) {
        anObject(value);
        return INTERRUPTED ? fn(value[0], value[1], stop) : fn(value[0], value[1]);
      }

      return INTERRUPTED ? fn(value, stop) : fn(value);
    };

    if (IS_ITERATOR) {
      iterator = iterable;
    } else {
      iterFn = getIteratorMethod(iterable);
      if (typeof iterFn != 'function') throw TypeError('Target is not iterable'); // optimisation for array iterators

      if (isArrayIteratorMethod(iterFn)) {
        for (index = 0, length = toLength(iterable.length); length > index; index++) {
          result = callFn(iterable[index]);
          if (result && result instanceof Result) return result;
        }

        return new Result(false);
      }

      iterator = iterFn.call(iterable);
    }

    next = iterator.next;

    while (!(step = next.call(iterator)).done) {
      try {
        result = callFn(step.value);
      } catch (error) {
        iteratorClose(iterator);
        throw error;
      }

      if (typeof result == 'object' && result && result instanceof Result) return result;
    }

    return new Result(false);
  };

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

  try {
    var called = 0;
    var iteratorWithReturn = {
      next: function () {
        return {
          done: !!called++
        };
      },
      'return': function () {
        SAFE_CLOSING = true;
      }
    };

    iteratorWithReturn[ITERATOR] = function () {
      return this;
    }; // eslint-disable-next-line no-throw-literal -- required for testing


    Array.from(iteratorWithReturn, function () {
      throw 2;
    });
  } catch (error) {
    /* empty */
  }

  var checkCorrectnessOfIteration = function (exec, SKIP_CLOSING) {
    if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
    var ITERATION_SUPPORT = false;

    try {
      var object = {};

      object[ITERATOR] = function () {
        return {
          next: function () {
            return {
              done: ITERATION_SUPPORT = true
            };
          }
        };
      };

      exec(object);
    } catch (error) {
      /* empty */
    }

    return ITERATION_SUPPORT;
  };

  var SPECIES$1 = wellKnownSymbol('species'); // `SpeciesConstructor` abstract operation
  // https://tc39.es/ecma262/#sec-speciesconstructor

  var speciesConstructor = function (O, defaultConstructor) {
    var C = anObject(O).constructor;
    var S;
    return C === undefined || (S = anObject(C)[SPECIES$1]) == undefined ? defaultConstructor : aFunction(S);
  };

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

  var engineIsIos = /(iphone|ipod|ipad).*applewebkit/i.test(engineUserAgent);

  var location = global_1.location;
  var set = global_1.setImmediate;
  var clear = global_1.clearImmediate;
  var process$2 = global_1.process;
  var MessageChannel = global_1.MessageChannel;
  var Dispatch = global_1.Dispatch;
  var counter = 0;
  var queue = {};
  var ONREADYSTATECHANGE = 'onreadystatechange';
  var defer, channel, port;

  var run = function (id) {
    // eslint-disable-next-line no-prototype-builtins -- safe
    if (queue.hasOwnProperty(id)) {
      var fn = queue[id];
      delete queue[id];
      fn();
    }
  };

  var runner = function (id) {
    return function () {
      run(id);
    };
  };

  var listener = function (event) {
    run(event.data);
  };

  var post = function (id) {
    // old engines have not location.origin
    global_1.postMessage(id + '', location.protocol + '//' + location.host);
  }; // Node.js 0.9+ & IE10+ has setImmediate, otherwise:


  if (!set || !clear) {
    set = function setImmediate(fn) {
      var args = [];
      var i = 1;

      while (arguments.length > i) args.push(arguments[i++]);

      queue[++counter] = function () {
        // eslint-disable-next-line no-new-func -- spec requirement
        (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
      };

      defer(counter);
      return counter;
    };

    clear = function clearImmediate(id) {
      delete queue[id];
    }; // Node.js 0.8-


    if (engineIsNode) {
      defer = function (id) {
        process$2.nextTick(runner(id));
      }; // Sphere (JS game engine) Dispatch API

    } else if (Dispatch && Dispatch.now) {
      defer = function (id) {
        Dispatch.now(runner(id));
      }; // Browsers with MessageChannel, includes WebWorkers
      // except iOS - https://github.com/zloirock/core-js/issues/624

    } else if (MessageChannel && !engineIsIos) {
      channel = new MessageChannel();
      port = channel.port2;
      channel.port1.onmessage = listener;
      defer = functionBindContext(port.postMessage, port, 1); // Browsers with postMessage, skip WebWorkers
      // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
    } else if (global_1.addEventListener && typeof postMessage == 'function' && !global_1.importScripts && location && location.protocol !== 'file:' && !fails(post)) {
      defer = post;
      global_1.addEventListener('message', listener, false); // IE8-
    } else if (ONREADYSTATECHANGE in documentCreateElement('script')) {
      defer = function (id) {
        html.appendChild(documentCreateElement('script'))[ONREADYSTATECHANGE] = function () {
          html.removeChild(this);
          run(id);
        };
      }; // Rest old browsers

    } else {
      defer = function (id) {
        setTimeout(runner(id), 0);
      };
    }
  }

  var task$1 = {
    set: set,
    clear: clear
  };

  var engineIsWebosWebkit = /web0s(?!.*chrome)/i.test(engineUserAgent);

  var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
  var macrotask = task$1.set;
  var MutationObserver = global_1.MutationObserver || global_1.WebKitMutationObserver;
  var document$2 = global_1.document;
  var process$1 = global_1.process;
  var Promise$1 = global_1.Promise; // Node.js 11 shows ExperimentalWarning on getting `queueMicrotask`

  var queueMicrotaskDescriptor = getOwnPropertyDescriptor(global_1, 'queueMicrotask');
  var queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;
  var flush, head, last, notify$1, toggle, node, promise, then; // modern engines have queueMicrotask method

  if (!queueMicrotask) {
    flush = function () {
      var parent, fn;
      if (engineIsNode && (parent = process$1.domain)) parent.exit();

      while (head) {
        fn = head.fn;
        head = head.next;

        try {
          fn();
        } catch (error) {
          if (head) notify$1();else last = undefined;
          throw error;
        }
      }

      last = undefined;
      if (parent) parent.enter();
    }; // browsers with MutationObserver, except iOS - https://github.com/zloirock/core-js/issues/339
    // also except WebOS Webkit https://github.com/zloirock/core-js/issues/898


    if (!engineIsIos && !engineIsNode && !engineIsWebosWebkit && MutationObserver && document$2) {
      toggle = true;
      node = document$2.createTextNode('');
      new MutationObserver(flush).observe(node, {
        characterData: true
      });

      notify$1 = function () {
        node.data = toggle = !toggle;
      }; // environments with maybe non-completely correct, but existent Promise

    } else if (Promise$1 && Promise$1.resolve) {
      // Promise.resolve without an argument throws an error in LG WebOS 2
      promise = Promise$1.resolve(undefined);
      then = promise.then;

      notify$1 = function () {
        then.call(promise, flush);
      }; // Node.js without promises

    } else if (engineIsNode) {
      notify$1 = function () {
        process$1.nextTick(flush);
      }; // for other environments - macrotask based on:
      // - setImmediate
      // - MessageChannel
      // - window.postMessag
      // - onreadystatechange
      // - setTimeout

    } else {
      notify$1 = function () {
        // strange IE + webpack dev server bug - use .call(global)
        macrotask.call(global_1, flush);
      };
    }
  }

  var microtask = queueMicrotask || function (fn) {
    var task = {
      fn: fn,
      next: undefined
    };
    if (last) last.next = task;

    if (!head) {
      head = task;
      notify$1();
    }

    last = task;
  };

  var PromiseCapability = function (C) {
    var resolve, reject;
    this.promise = new C(function ($$resolve, $$reject) {
      if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
      resolve = $$resolve;
      reject = $$reject;
    });
    this.resolve = aFunction(resolve);
    this.reject = aFunction(reject);
  }; // 25.4.1.5 NewPromiseCapability(C)


  var f = function (C) {
    return new PromiseCapability(C);
  };

  var newPromiseCapability$1 = {
    f: f
  };

  var promiseResolve = function (C, x) {
    anObject(C);
    if (isObject(x) && x.constructor === C) return x;
    var promiseCapability = newPromiseCapability$1.f(C);
    var resolve = promiseCapability.resolve;
    resolve(x);
    return promiseCapability.promise;
  };

  var hostReportErrors = function (a, b) {
    var console = global_1.console;

    if (console && console.error) {
      arguments.length === 1 ? console.error(a) : console.error(a, b);
    }
  };

  var perform = function (exec) {
    try {
      return {
        error: false,
        value: exec()
      };
    } catch (error) {
      return {
        error: true,
        value: error
      };
    }
  };

  var task = task$1.set;
  var SPECIES = wellKnownSymbol('species');
  var PROMISE = 'Promise';
  var getInternalState = internalState.get;
  var setInternalState = internalState.set;
  var getInternalPromiseState = internalState.getterFor(PROMISE);
  var PromiseConstructor = nativePromiseConstructor;
  var TypeError$1 = global_1.TypeError;
  var document$1 = global_1.document;
  var process = global_1.process;
  var $fetch = getBuiltIn('fetch');
  var newPromiseCapability = newPromiseCapability$1.f;
  var newGenericPromiseCapability = newPromiseCapability;
  var DISPATCH_EVENT = !!(document$1 && document$1.createEvent && global_1.dispatchEvent);
  var NATIVE_REJECTION_EVENT = typeof PromiseRejectionEvent == 'function';
  var UNHANDLED_REJECTION = 'unhandledrejection';
  var REJECTION_HANDLED = 'rejectionhandled';
  var PENDING = 0;
  var FULFILLED = 1;
  var REJECTED = 2;
  var HANDLED = 1;
  var UNHANDLED = 2;
  var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;
  var FORCED = isForced_1(PROMISE, function () {
    var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);

    if (!GLOBAL_CORE_JS_PROMISE) {
      // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
      // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
      // We can't detect it synchronously, so just check versions
      if (engineV8Version === 66) return true; // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test

      if (!engineIsNode && !NATIVE_REJECTION_EVENT) return true;
    } // We need Promise#finally in the pure version for preventing prototype pollution
    // deoptimization and performance degradation
    // https://github.com/zloirock/core-js/issues/679

    if (engineV8Version >= 51 && /native code/.test(PromiseConstructor)) return false; // Detect correctness of subclassing with @@species support

    var promise = PromiseConstructor.resolve(1);

    var FakePromise = function (exec) {
      exec(function () {
        /* empty */
      }, function () {
        /* empty */
      });
    };

    var constructor = promise.constructor = {};
    constructor[SPECIES] = FakePromise;
    return !(promise.then(function () {
      /* empty */
    }) instanceof FakePromise);
  });
  var INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {
    PromiseConstructor.all(iterable)['catch'](function () {
      /* empty */
    });
  }); // helpers

  var isThenable = function (it) {
    var then;
    return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
  };

  var notify = function (state, isReject) {
    if (state.notified) return;
    state.notified = true;
    var chain = state.reactions;
    microtask(function () {
      var value = state.value;
      var ok = state.state == FULFILLED;
      var index = 0; // variable length - can't use forEach

      while (chain.length > index) {
        var reaction = chain[index++];
        var handler = ok ? reaction.ok : reaction.fail;
        var resolve = reaction.resolve;
        var reject = reaction.reject;
        var domain = reaction.domain;
        var result, then, exited;

        try {
          if (handler) {
            if (!ok) {
              if (state.rejection === UNHANDLED) onHandleUnhandled(state);
              state.rejection = HANDLED;
            }

            if (handler === true) result = value;else {
              if (domain) domain.enter();
              result = handler(value); // can throw

              if (domain) {
                domain.exit();
                exited = true;
              }
            }

            if (result === reaction.promise) {
              reject(TypeError$1('Promise-chain cycle'));
            } else if (then = isThenable(result)) {
              then.call(result, resolve, reject);
            } else resolve(result);
          } else reject(value);
        } catch (error) {
          if (domain && !exited) domain.exit();
          reject(error);
        }
      }

      state.reactions = [];
      state.notified = false;
      if (isReject && !state.rejection) onUnhandled(state);
    });
  };

  var dispatchEvent = function (name, promise, reason) {
    var event, handler;

    if (DISPATCH_EVENT) {
      event = document$1.createEvent('Event');
      event.promise = promise;
      event.reason = reason;
      event.initEvent(name, false, true);
      global_1.dispatchEvent(event);
    } else event = {
      promise: promise,
      reason: reason
    };

    if (!NATIVE_REJECTION_EVENT && (handler = global_1['on' + name])) handler(event);else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);
  };

  var onUnhandled = function (state) {
    task.call(global_1, function () {
      var promise = state.facade;
      var value = state.value;
      var IS_UNHANDLED = isUnhandled(state);
      var result;

      if (IS_UNHANDLED) {
        result = perform(function () {
          if (engineIsNode) {
            process.emit('unhandledRejection', value, promise);
          } else dispatchEvent(UNHANDLED_REJECTION, promise, value);
        }); // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should

        state.rejection = engineIsNode || isUnhandled(state) ? UNHANDLED : HANDLED;
        if (result.error) throw result.value;
      }
    });
  };

  var isUnhandled = function (state) {
    return state.rejection !== HANDLED && !state.parent;
  };

  var onHandleUnhandled = function (state) {
    task.call(global_1, function () {
      var promise = state.facade;

      if (engineIsNode) {
        process.emit('rejectionHandled', promise);
      } else dispatchEvent(REJECTION_HANDLED, promise, state.value);
    });
  };

  var bind = function (fn, state, unwrap) {
    return function (value) {
      fn(state, value, unwrap);
    };
  };

  var internalReject = function (state, value, unwrap) {
    if (state.done) return;
    state.done = true;
    if (unwrap) state = unwrap;
    state.value = value;
    state.state = REJECTED;
    notify(state, true);
  };

  var internalResolve = function (state, value, unwrap) {
    if (state.done) return;
    state.done = true;
    if (unwrap) state = unwrap;

    try {
      if (state.facade === value) throw TypeError$1("Promise can't be resolved itself");
      var then = isThenable(value);

      if (then) {
        microtask(function () {
          var wrapper = {
            done: false
          };

          try {
            then.call(value, bind(internalResolve, wrapper, state), bind(internalReject, wrapper, state));
          } catch (error) {
            internalReject(wrapper, error, state);
          }
        });
      } else {
        state.value = value;
        state.state = FULFILLED;
        notify(state, false);
      }
    } catch (error) {
      internalReject({
        done: false
      }, error, state);
    }
  }; // constructor polyfill


  if (FORCED) {
    // 25.4.3.1 Promise(executor)
    PromiseConstructor = function Promise(executor) {
      anInstance(this, PromiseConstructor, PROMISE);
      aFunction(executor);
      Internal.call(this);
      var state = getInternalState(this);

      try {
        executor(bind(internalResolve, state), bind(internalReject, state));
      } catch (error) {
        internalReject(state, error);
      }
    }; // eslint-disable-next-line no-unused-vars -- required for `.length`


    Internal = function Promise(executor) {
      setInternalState(this, {
        type: PROMISE,
        done: false,
        notified: false,
        parent: false,
        reactions: [],
        rejection: false,
        state: PENDING,
        value: undefined
      });
    };

    Internal.prototype = redefineAll(PromiseConstructor.prototype, {
      // `Promise.prototype.then` method
      // https://tc39.es/ecma262/#sec-promise.prototype.then
      then: function then(onFulfilled, onRejected) {
        var state = getInternalPromiseState(this);
        var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));
        reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
        reaction.fail = typeof onRejected == 'function' && onRejected;
        reaction.domain = engineIsNode ? process.domain : undefined;
        state.parent = true;
        state.reactions.push(reaction);
        if (state.state != PENDING) notify(state, false);
        return reaction.promise;
      },
      // `Promise.prototype.catch` method
      // https://tc39.es/ecma262/#sec-promise.prototype.catch
      'catch': function (onRejected) {
        return this.then(undefined, onRejected);
      }
    });

    OwnPromiseCapability = function () {
      var promise = new Internal();
      var state = getInternalState(promise);
      this.promise = promise;
      this.resolve = bind(internalResolve, state);
      this.reject = bind(internalReject, state);
    };

    newPromiseCapability$1.f = newPromiseCapability = function (C) {
      return C === PromiseConstructor || C === PromiseWrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
    };

    if (typeof nativePromiseConstructor == 'function') {
      nativeThen = nativePromiseConstructor.prototype.then; // wrap native Promise#then for native async functions

      redefine(nativePromiseConstructor.prototype, 'then', function then(onFulfilled, onRejected) {
        var that = this;
        return new PromiseConstructor(function (resolve, reject) {
          nativeThen.call(that, resolve, reject);
        }).then(onFulfilled, onRejected); // https://github.com/zloirock/core-js/issues/640
      }, {
        unsafe: true
      }); // wrap fetch result

      if (typeof $fetch == 'function') _export({
        global: true,
        enumerable: true,
        forced: true
      }, {
        // eslint-disable-next-line no-unused-vars -- required for `.length`
        fetch: function fetch(input
        /* , init */
        ) {
          return promiseResolve(PromiseConstructor, $fetch.apply(global_1, arguments));
        }
      });
    }
  }

  _export({
    global: true,
    wrap: true,
    forced: FORCED
  }, {
    Promise: PromiseConstructor
  });
  setToStringTag(PromiseConstructor, PROMISE, false);
  setSpecies(PROMISE);
  PromiseWrapper = getBuiltIn(PROMISE); // statics

  _export({
    target: PROMISE,
    stat: true,
    forced: FORCED
  }, {
    // `Promise.reject` method
    // https://tc39.es/ecma262/#sec-promise.reject
    reject: function reject(r) {
      var capability = newPromiseCapability(this);
      capability.reject.call(undefined, r);
      return capability.promise;
    }
  });
  _export({
    target: PROMISE,
    stat: true,
    forced: FORCED
  }, {
    // `Promise.resolve` method
    // https://tc39.es/ecma262/#sec-promise.resolve
    resolve: function resolve(x) {
      return promiseResolve(this, x);
    }
  });
  _export({
    target: PROMISE,
    stat: true,
    forced: INCORRECT_ITERATION
  }, {
    // `Promise.all` method
    // https://tc39.es/ecma262/#sec-promise.all
    all: function all(iterable) {
      var C = this;
      var capability = newPromiseCapability(C);
      var resolve = capability.resolve;
      var reject = capability.reject;
      var result = perform(function () {
        var $promiseResolve = aFunction(C.resolve);
        var values = [];
        var counter = 0;
        var remaining = 1;
        iterate(iterable, function (promise) {
          var index = counter++;
          var alreadyCalled = false;
          values.push(undefined);
          remaining++;
          $promiseResolve.call(C, promise).then(function (value) {
            if (alreadyCalled) return;
            alreadyCalled = true;
            values[index] = value;
            --remaining || resolve(values);
          }, reject);
        });
        --remaining || resolve(values);
      });
      if (result.error) reject(