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(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global = global || self, (global.CesiumNavigation = global.CesiumNavigation || {}, global.CesiumNavigation.umd = factory())); }(this, (function () { 'use strict'; var Cesium = window.Cesium; var toString = {}.toString; var _cof = function (it) { return toString.call(it).slice(8, -1); }; var _cof$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _cof, __moduleExports: _cof }); function createCommonjsModule(fn, module) { return module = { exports: {} }, fn(module, module.exports), module.exports; } var _core = createCommonjsModule(function (module) { var core = module.exports = { version: '2.6.12' }; if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef }); var _core_1 = _core.version; var _core$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _core, __moduleExports: _core, version: _core_1 }); var _global = createCommonjsModule(function (module) { // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028 var global = module.exports = typeof window != 'undefined' && window.Math == Math ? window : typeof self != 'undefined' && self.Math == Math ? self // eslint-disable-next-line no-new-func : Function('return this')(); if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef }); var _global$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _global, __moduleExports: _global }); var _library = false; var _library$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _library, __moduleExports: _library }); var core = ( _core$1 && _core ) || _core$1; var require$$0 = ( _global$1 && _global ) || _global$1; var require$$0$1 = ( _library$1 && _library ) || _library$1; var _shared = createCommonjsModule(function (module) { var SHARED = '__core-js_shared__'; var store = require$$0[SHARED] || (require$$0[SHARED] = {}); (module.exports = function (key, value) { return store[key] || (store[key] = value !== undefined ? value : {}); })('versions', []).push({ version: core.version, mode: require$$0$1 ? 'pure' : 'global', copyright: '© 2020 Denis Pushkarev (zloirock.ru)' }); }); var _shared$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _shared, __moduleExports: _shared }); var id = 0; var px = Math.random(); var _uid = function (key) { return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36)); }; var _uid$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _uid, __moduleExports: _uid }); var require$$0$2 = ( _shared$1 && _shared ) || _shared$1; var uid = ( _uid$1 && _uid ) || _uid$1; var _wks = createCommonjsModule(function (module) { var store = require$$0$2('wks'); var Symbol = require$$0.Symbol; var USE_SYMBOL = typeof Symbol == 'function'; var $exports = module.exports = function (name) { return store[name] || (store[name] = USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name)); }; $exports.store = store; }); var _wks$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _wks, __moduleExports: _wks }); var cof = ( _cof$1 && _cof ) || _cof$1; var require$$0$3 = ( _wks$1 && _wks ) || _wks$1; // getting tag from 19.1.3.6 Object.prototype.toString() var TAG = require$$0$3('toStringTag'); // ES3 wrong here var ARG = cof(function () { return arguments; }()) == 'Arguments'; // fallback for IE11 Script Access Denied error var tryGet = function (it, key) { try { return it[key]; } catch (e) { /* empty */ } }; var _classof = function (it) { var O, T, B; return it === undefined ? 'Undefined' : it === null ? 'Null' // @@toStringTag case : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T // builtinTag case : ARG ? cof(O) // ES3 arguments fallback : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B; }; var _classof$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _classof, __moduleExports: _classof }); var _isObject = function (it) { return typeof it === 'object' ? it !== null : typeof it === 'function'; }; var _isObject$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _isObject, __moduleExports: _isObject }); var isObject = ( _isObject$1 && _isObject ) || _isObject$1; var _anObject = function (it) { if (!isObject(it)) throw TypeError(it + ' is not an object!'); return it; }; var _anObject$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _anObject, __moduleExports: _anObject }); var _fails = function (exec) { try { return !!exec(); } catch (e) { return true; } }; var _fails$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _fails, __moduleExports: _fails }); var require$$2 = ( _fails$1 && _fails ) || _fails$1; // Thank's IE8 for his funny defineProperty var _descriptors = !require$$2(function () { return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7; }); var _descriptors$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _descriptors, __moduleExports: _descriptors }); var document$1 = require$$0.document; // typeof document.createElement is 'object' in old IE var is = isObject(document$1) && isObject(document$1.createElement); var _domCreate = function (it) { return is ? document$1.createElement(it) : {}; }; var _domCreate$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _domCreate, __moduleExports: _domCreate }); var require$$0$4 = ( _descriptors$1 && _descriptors ) || _descriptors$1; var require$$1 = ( _domCreate$1 && _domCreate ) || _domCreate$1; var _ie8DomDefine = !require$$0$4 && !require$$2(function () { return Object.defineProperty(require$$1('div'), 'a', { get: function () { return 7; } }).a != 7; }); var _ie8DomDefine$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _ie8DomDefine, __moduleExports: _ie8DomDefine }); // 7.1.1 ToPrimitive(input [, PreferredType]) // 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 (it, S) { if (!isObject(it)) return it; var fn, val; if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val; if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val; if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val; throw TypeError("Can't convert object to primitive value"); }; var _toPrimitive$1 = /*#__PURE__*/Object.freeze({ __proto__: null, 'default': _toPrimitive, __moduleExports: _toPrimitive }); var anObject = ( _anObject$1 && _anObject ) || _anObject$1; var IE8_DOM_DEFINE = ( _ie8DomDefine$1 && _ie8DomDefine ) || _ie8DomDefine$1; var toPrimitive = ( _toPrimitive$1 && _toPrimitive ) || _toPrimitive$1; var dP = Object.defineProperty; var f = require$$0$4 ? Object.defineProperty : function defineProperty(O, P, Attributes) { anObject(O); P = toPrimitive(P, true); anObject(Attributes); if (IE8_DOM_DEFINE) try { return dP(O, P, Attributes); } catch (e) { /* empty */ } if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!'); if ('value' in Attributes) O[P] = Attributes.value; return O; }; var _objectDp = { f: f }; var _obje