Merge branch 'master' into pr/338

dist/scorm2004.min.js

@@ -427,6 +427,10 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
 
+function _classPrivateFieldInitSpec(obj, privateMap, value) { _checkPrivateRedeclaration(obj, privateMap); privateMap.set(obj, value); }
+
+function _checkPrivateRedeclaration(obj, privateCollection) { if (privateCollection.has(obj)) { throw new TypeError("Cannot initialize the same private elements twice on an object"); } }
+
 function _classPrivateFieldGet(receiver, privateMap) { var descriptor = _classExtractFieldDescriptor(receiver, privateMap, "get"); return _classApplyDescriptorGet(receiver, descriptor); }
 
 function _classApplyDescriptorGet(receiver, descriptor) { if (descriptor.get) { return descriptor.get.call(receiver); } return descriptor.value; }
@@ -460,17 +464,17 @@ var BaseAPI = /*#__PURE__*/function () {
   function BaseAPI(error_codes, settings) {
     _classCallCheck(this, BaseAPI);
 
-    _timeout.set(this, {
+    _classPrivateFieldInitSpec(this, _timeout, {
       writable: true,
       value: void 0
     });
 
-    _error_codes.set(this, {
+    _classPrivateFieldInitSpec(this, _error_codes, {
       writable: true,
       value: void 0
     });
 
-    _settings.set(this, {
+    _classPrivateFieldInitSpec(this, _settings, {
       writable: true,
       value: {
         autocommit: false,
@@ -1750,22 +1754,22 @@ var ScheduledCommit = /*#__PURE__*/function () {
   function ScheduledCommit(API, when, callback) {
     _classCallCheck(this, ScheduledCommit);
 
-    _API.set(this, {
+    _classPrivateFieldInitSpec(this, _API, {
       writable: true,
       value: void 0
     });
 
-    _cancelled.set(this, {
+    _classPrivateFieldInitSpec(this, _cancelled, {
       writable: true,
       value: false
     });
 
-    _timeout2.set(this, {
+    _classPrivateFieldInitSpec(this, _timeout2, {
       writable: true,
       value: void 0
     });
 
-    _callback.set(this, {
+    _classPrivateFieldInitSpec(this, _callback, {
       writable: true,
       value: void 0
     });
@@ -1854,7 +1858,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
 
 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
@@ -1864,6 +1868,10 @@ function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.g
 
 function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
 
+function _classPrivateFieldInitSpec(obj, privateMap, value) { _checkPrivateRedeclaration(obj, privateMap); privateMap.set(obj, value); }
+
+function _checkPrivateRedeclaration(obj, privateCollection) { if (privateCollection.has(obj)) { throw new TypeError("Cannot initialize the same private elements twice on an object"); } }
+
 function _classPrivateFieldGet(receiver, privateMap) { var descriptor = _classExtractFieldDescriptor(receiver, privateMap, "get"); return _classApplyDescriptorGet(receiver, descriptor); }
 
 function _classExtractFieldDescriptor(receiver, privateMap, action) { if (!privateMap.has(receiver)) { throw new TypeError("attempted to " + action + " private field on non-instance"); } return privateMap.get(receiver); }
@@ -1901,7 +1909,7 @@ var Scorm2004API = /*#__PURE__*/function (_BaseAPI) {
 
     _this = _super.call(this, scorm2004_error_codes, finalSettings);
 
-    _version.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _version, {
       writable: true,
       value: void 0
     });
@@ -2517,7 +2525,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
 
 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
@@ -2531,6 +2539,10 @@ function _defineProperties(target, props) { for (var i = 0; i < props.length; i+
 
 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
 
+function _classPrivateFieldInitSpec(obj, privateMap, value) { _checkPrivateRedeclaration(obj, privateMap); privateMap.set(obj, value); }
+
+function _checkPrivateRedeclaration(obj, privateCollection) { if (privateCollection.has(obj)) { throw new TypeError("Cannot initialize the same private elements twice on an object"); } }
+
 function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
 
 function _classPrivateFieldSet(receiver, privateMap, value) { var descriptor = _classExtractFieldDescriptor(receiver, privateMap, "set"); _classApplyDescriptorSet(receiver, descriptor, value); return value; }
@@ -2614,12 +2626,12 @@ var BaseCMI = /*#__PURE__*/function () {
 
     _defineProperty(this, "jsonString", false);
 
-    _initialized.set(this, {
+    _classPrivateFieldInitSpec(this, _initialized, {
       writable: true,
       value: false
     });
 
-    _start_time.set(this, {
+    _classPrivateFieldInitSpec(this, _start_time, {
       writable: true,
       value: void 0
     });
@@ -2731,52 +2743,52 @@ var CMIScore = /*#__PURE__*/function (_BaseCMI) {
 
     _this = _super.call(this);
 
-    _children2.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _children2, {
       writable: true,
       value: void 0
     });
 
-    _score_range.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _score_range, {
       writable: true,
       value: void 0
     });
 
-    _invalid_error_code.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _invalid_error_code, {
       writable: true,
       value: void 0
     });
 
-    _invalid_type_code.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _invalid_type_code, {
       writable: true,
       value: void 0
     });
 
-    _invalid_range_code.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _invalid_range_code, {
       writable: true,
       value: void 0
     });
 
-    _decimal_regex.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _decimal_regex, {
       writable: true,
       value: void 0
     });
 
-    _error_class.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _error_class, {
       writable: true,
       value: void 0
     });
 
-    _raw.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _raw, {
       writable: true,
       value: ''
     });
 
-    _min.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _min, {
       writable: true,
       value: ''
     });
 
-    _max.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _max, {
       writable: true,
       value: void 0
     });
@@ -2936,17 +2948,17 @@ var CMIArray = /*#__PURE__*/function (_BaseCMI2) {
 
     _this2 = _super2.call(this);
 
-    _errorCode.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _errorCode, {
       writable: true,
       value: void 0
     });
 
-    _errorClass.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _errorClass, {
       writable: true,
       value: void 0
     });
 
-    _children3.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _children3, {
       writable: true,
       value: void 0
     });
@@ -3070,7 +3082,7 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
 
 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
@@ -3078,6 +3090,10 @@ function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Re
 
 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
 
+function _classPrivateFieldInitSpec(obj, privateMap, value) { _checkPrivateRedeclaration(obj, privateMap); privateMap.set(obj, value); }
+
+function _checkPrivateRedeclaration(obj, privateCollection) { if (privateCollection.has(obj)) { throw new TypeError("Cannot initialize the same private elements twice on an object"); } }
+
 function _classPrivateFieldSet(receiver, privateMap, value) { var descriptor = _classExtractFieldDescriptor(receiver, privateMap, "set"); _classApplyDescriptorSet(receiver, descriptor, value); return value; }
 
 function _classApplyDescriptorSet(receiver, descriptor, value) { if (descriptor.set) { descriptor.set.call(receiver, value); } else { if (!descriptor.writable) { throw new TypeError("attempted to set read only private field"); } descriptor.value = value; } }
@@ -3215,102 +3231,102 @@ var CMI = /*#__PURE__*/function (_BaseCMI) {
 
     _this = _super.call(this);
 
-    _version2.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _version2, {
       writable: true,
       value: '1.0'
     });
 
-    _children2.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _children2, {
       writable: true,
       value: scorm2004_constants.cmi_children
     });
 
-    _completion_status.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _completion_status, {
       writable: true,
       value: 'unknown'
     });
 
-    _completion_threshold.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _completion_threshold, {
       writable: true,
       value: ''
     });
 
-    _credit.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _credit, {
       writable: true,
       value: 'credit'
     });
 
-    _entry.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _entry, {
       writable: true,
       value: ''
     });
 
-    _exit.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _exit, {
       writable: true,
       value: ''
     });
 
-    _launch_data.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _launch_data, {
       writable: true,
       value: ''
     });
 
-    _learner_id.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _learner_id, {
       writable: true,
       value: ''
     });
 
-    _learner_name.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _learner_name, {
       writable: true,
       value: ''
     });
 
-    _location.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _location, {
       writable: true,
       value: ''
     });
 
-    _max_time_allowed.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _max_time_allowed, {
       writable: true,
       value: ''
     });
 
-    _mode.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _mode, {
       writable: true,
       value: 'normal'
     });
 
-    _progress_measure.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _progress_measure, {
       writable: true,
       value: ''
     });
 
-    _scaled_passing_score.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _scaled_passing_score, {
       writable: true,
       value: ''
     });
 
-    _session_time.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _session_time, {
       writable: true,
       value: 'PT0H0M0S'
     });
 
-    _success_status.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _success_status, {
       writable: true,
       value: 'unknown'
     });
 
-    _suspend_data.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _suspend_data, {
       writable: true,
       value: ''
     });
 
-    _time_limit_action.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _time_limit_action, {
       writable: true,
       value: 'continue,no message'
     });
 
-    _total_time.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _total_time, {
       writable: true,
       value: ''
     });
@@ -3841,27 +3857,27 @@ var CMILearnerPreference = /*#__PURE__*/function (_BaseCMI2) {
 
     _this2 = _super2.call(this);
 
-    _children3.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _children3, {
       writable: true,
       value: scorm2004_constants.student_preference_children
     });
 
-    _audio_level.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _audio_level, {
       writable: true,
       value: '1'
     });
 
-    _language.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _language, {
       writable: true,
       value: ''
     });
 
-    _delivery_speed.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _delivery_speed, {
       writable: true,
       value: '1'
     });
 
-    _audio_captioning.set(_assertThisInitialized(_this2), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this2), _audio_captioning, {
       writable: true,
       value: '0'
     });
@@ -4135,42 +4151,42 @@ var CMIInteractionsObject = /*#__PURE__*/function (_BaseCMI3) {
 
     _this3 = _super7.call(this);
 
-    _id.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _id, {
       writable: true,
       value: ''
     });
 
-    _type.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _type, {
       writable: true,
       value: ''
     });
 
-    _timestamp.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _timestamp, {
       writable: true,
       value: ''
     });
 
-    _weighting.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _weighting, {
       writable: true,
       value: ''
     });
 
-    _learner_response.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _learner_response, {
       writable: true,
       value: ''
     });
 
-    _result.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _result, {
       writable: true,
       value: ''
     });
 
-    _latency.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _latency, {
       writable: true,
       value: ''
     });
 
-    _description.set(_assertThisInitialized(_this3), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this3), _description, {
       writable: true,
       value: ''
     });
@@ -4508,27 +4524,27 @@ var CMIObjectivesObject = /*#__PURE__*/function (_BaseCMI4) {
 
     _this4 = _super8.call(this);
 
-    _id2.set(_assertThisInitialized(_this4), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this4), _id2, {
       writable: true,
       value: ''
     });
 
-    _success_status2.set(_assertThisInitialized(_this4), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this4), _success_status2, {
       writable: true,
       value: 'unknown'
     });
 
-    _completion_status2.set(_assertThisInitialized(_this4), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this4), _completion_status2, {
       writable: true,
       value: 'unknown'
     });
 
-    _progress_measure2.set(_assertThisInitialized(_this4), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this4), _progress_measure2, {
       writable: true,
       value: ''
     });
 
-    _description2.set(_assertThisInitialized(_this4), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this4), _description2, {
       writable: true,
       value: ''
     });
@@ -4732,7 +4748,7 @@ var Scorm2004CMIScore = /*#__PURE__*/function (_CMIScore) {
       errorClass: _exceptions.Scorm2004ValidationError
     });
 
-    _scaled.set(_assertThisInitialized(_this5), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this5), _scaled, {
       writable: true,
       value: ''
     });
@@ -4821,22 +4837,22 @@ var CMICommentsObject = /*#__PURE__*/function (_BaseCMI5) {
 
     _this6 = _super10.call(this);
 
-    _comment.set(_assertThisInitialized(_this6), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this6), _comment, {
       writable: true,
       value: ''
     });
 
-    _location2.set(_assertThisInitialized(_this6), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this6), _location2, {
       writable: true,
       value: ''
     });
 
-    _timestamp2.set(_assertThisInitialized(_this6), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this6), _timestamp2, {
       writable: true,
       value: ''
     });
 
-    _readOnlyAfterInit.set(_assertThisInitialized(_this6), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this6), _readOnlyAfterInit, {
       writable: true,
       value: void 0
     });
@@ -4975,7 +4991,7 @@ var CMIInteractionsObjectivesObject = /*#__PURE__*/function (_BaseCMI6) {
 
     _this7 = _super11.call(this);
 
-    _id3.set(_assertThisInitialized(_this7), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this7), _id3, {
       writable: true,
       value: ''
     });
@@ -5050,7 +5066,7 @@ var CMIInteractionsCorrectResponsesObject = /*#__PURE__*/function (_BaseCMI7) {
 
     _this8 = _super12.call(this);
 
-    _pattern.set(_assertThisInitialized(_this8), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this8), _pattern, {
       writable: true,
       value: ''
     });
@@ -5188,7 +5204,7 @@ var ADLNav = /*#__PURE__*/function (_BaseCMI9) {
 
     _this10 = _super14.call(this);
 
-    _request.set(_assertThisInitialized(_this10), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this10), _request, {
       writable: true,
       value: '_none_'
     });
@@ -5278,12 +5294,12 @@ var ADLNavRequestValid = /*#__PURE__*/function (_BaseCMI10) {
 
     _this11 = _super15.call(this);
 
-    _continue.set(_assertThisInitialized(_this11), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this11), _continue, {
       writable: true,
       value: 'unknown'
     });
 
-    _previous.set(_assertThisInitialized(_this11), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this11), _previous, {
       writable: true,
       value: 'unknown'
     });
@@ -6228,7 +6244,7 @@ var learner = {
     unique: false
   },
   'choice': {
-    format: scorm2004_regex.CMIShortIdentifier,
+    format: scorm2004_regex.CMILongIdentifier,
     max: 36,
     delimiter: '[,]',
     unique: true
@@ -6300,7 +6316,7 @@ var correct = {
     delimiter: '[,]',
     unique: true,
     duplicate: false,
-    format: scorm2004_regex.CMIShortIdentifier
+    format: scorm2004_regex.CMILongIdentifier
   },
   'fill-in': {
     max: 10,
@@ -6397,7 +6413,7 @@ function _inherits(subClass, superClass) { if (typeof superClass !== "function"
 
 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
 
 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
@@ -6413,6 +6429,10 @@ function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || func
 
 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
 
+function _classPrivateFieldInitSpec(obj, privateMap, value) { _checkPrivateRedeclaration(obj, privateMap); privateMap.set(obj, value); }
+
+function _checkPrivateRedeclaration(obj, privateCollection) { if (privateCollection.has(obj)) { throw new TypeError("Cannot initialize the same private elements twice on an object"); } }
+
 function _classPrivateFieldGet(receiver, privateMap) { var descriptor = _classExtractFieldDescriptor(receiver, privateMap, "get"); return _classApplyDescriptorGet(receiver, descriptor); }
 
 function _classApplyDescriptorGet(receiver, descriptor) { if (descriptor.get) { return descriptor.get.call(receiver); } return descriptor.value; }
@@ -6454,17 +6474,17 @@ var ValidationError = /*#__PURE__*/function (_Error) {
 
     _this = _super.call(this, errorMessage);
 
-    _errorCode.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _errorCode, {
       writable: true,
       value: void 0
     });
 
-    _errorMessage.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _errorMessage, {
       writable: true,
       value: void 0
     });
 
-    _detailedMessage.set(_assertThisInitialized(_this), {
+    _classPrivateFieldInitSpec(_assertThisInitialized(_this), _detailedMessage, {
       writable: true,
       value: void 0
     });