@microsoft/applicationinsights-core-js - npm Package Compare versions

Comparing version 2.5.6 to 2.5.7

browser/applicationinsights-core-js.min.js

 /*!
- * Application Insights JavaScript SDK - Core, 2.5.6
+ * Application Insights JavaScript SDK - Core, 2.5.7
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
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o=[],a={};if(Je(i,function(e){if(Qe(e)||Qe(e.initialize))throw Error("Extensions must provide callback to initialize");var n=e.priority,t=e.identifier;e&&n&&(Qe(a[n])?a[n]=t:r.warnToConsole("Two extensions have same priority #"+n+" - "+a[n]+", "+t)),(!n||n<u.priority)&&o.push(e)}),i.push(u),o.push(u),i=ze(i),s._extensions=i,Ue(new Fe([u],e,s),i),Ue(new Fe(o,e,s),i),s._extensions=o,0===s.getTransmissionControls().length)throw Error("No channels available");l=!0,s.releaseQueue()},s.getTransmissionControls=function(){return u.getChannelControls()},s.track=function(e){e.iKey||(e.iKey=s.config.instrumentationKey),e.time||(e.time=ge.toISOString(new Date)),Qe(e.ver)&&(e.ver="4.0"),s.isInitialized()?s.getProcessTelContext().processNext(e):n.push(e)},s.getProcessTelContext=function(){var e=s._extensions,n=e;return e&&0!==e.length||(n=[u]),new Fe(n,s.config,s)},s.getNotifyMgr=function(){return 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e.eventsSent(n)},0)})},i.eventsDiscarded=function(n,t){o(i.listeners,function(e){e&&e.eventsDiscarded&&setTimeout(function(){return e.eventsDiscarded(n,t)},0)})},i.eventsSendRequest=function(t,r){o(i.listeners,function(e){if(e&&e.eventsSendRequest)if(r)setTimeout(function(){return e.eventsSendRequest(t,r)},0);else try{e.eventsSendRequest(t,r)}catch(n){}})},i.perfEvent=function(t){t&&(!n&&t.isChildEvt()||o(i.listeners,function(e){if(e&&e.perfEvent)if(t.isAsync)setTimeout(function(){return e.perfEvent(t)},0);else try{e.perfEvent(t)}catch(n){}}))}})},Xe=(Ge=Ze,__extends(en,Ge),en);function en(){var e=Ge.call(this)||this;return J(en,e,function(r,i){function n(e){var n=r.getNotifyMgr();n&&n.eventsDiscarded([e],c.InvalidEvent)}r.initialize=function(e,n,t,r){i.initialize(e,n,t||new Ie(e),r||new Ye(e))},r.track=function(e){Ce(r.getPerfMgr(),function(){return"AppInsightsCore:track"},function(){if(null===e)throw n(e),Error("Invalid telemetry 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 //# sourceMappingURL=applicationinsights-core-js.min.js.map

dist-esm/applicationinsights-core-js.js

@@ -9,5 +9,6 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 export { BaseTelemetryPlugin } from './JavaScriptSDK/BaseTelemetryPlugin';
-export { CoreUtils, EventHelper, Undefined, normalizeJsName } from "./JavaScriptSDK/CoreUtils";
-export { getGlobal, getGlobalInst, hasWindow, getWindow, hasDocument, getDocument, hasNavigator, getNavigator, hasHistory, getHistory, getLocation, getPerformance, hasJSON, getJSON, isReactNative, strUndefined, strObject, strPrototype, strFunction } from "./JavaScriptSDK/EnvUtils";
+export { CoreUtils, EventHelper, Undefined, normalizeJsName, doPerf } from "./JavaScriptSDK/CoreUtils";
+export { getGlobal, getGlobalInst, hasWindow, getWindow, hasDocument, getDocument, hasNavigator, getNavigator, hasHistory, getHistory, getLocation, getPerformance, hasJSON, getJSON, isReactNative, getConsole, strUndefined, strObject, strPrototype, strFunction } from "./JavaScriptSDK/EnvUtils";
 export { NotificationManager } from "./JavaScriptSDK/NotificationManager";
+export { PerfEvent, PerfManager } from './JavaScriptSDK/PerfManager';
 export { DiagnosticLogger, _InternalLogMessage } from './JavaScriptSDK/DiagnosticLogger';
@@ -14,0 +15,0 @@ export { ProcessTelemetryContext } from './JavaScriptSDK/ProcessTelemetryContext';

dist-esm/JavaScriptSDK/AppInsightsCore.js

 import { BaseCore } from './BaseCore';
 import { EventsDiscardedReason } from "../JavaScriptSDK.Enums/EventsDiscardedReason";
 import { NotificationManager } from "./NotificationManager";
-import { CoreUtils } from "./CoreUtils";
+import { CoreUtils, doPerf } from "./CoreUtils";
 import { _InternalLogMessage, DiagnosticLogger } from "./DiagnosticLogger";
+import dynamicProto from '@microsoft/dynamicproto-js';
 "use strict";
@@ -10,23 +11,84 @@ var AppInsightsCore = /** @class */ (function (_super) {
     function AppInsightsCore() {
-        return _super.call(this) || this;
+        var _this = _super.call(this) || this;
+        dynamicProto(AppInsightsCore, _this, function (_self, _base) {
+            _self.initialize = function (config, extensions, logger, notificationManager) {
+                _base.initialize(config, extensions, logger || new DiagnosticLogger(config), notificationManager || new NotificationManager(config));
+            };
+            _self.track = function (telemetryItem) {
+                doPerf(_self.getPerfMgr(), function () { return "AppInsightsCore:track"; }, function () {
+                    if (telemetryItem === null) {
+                        _notifyInvalidEvent(telemetryItem);
+                        // throw error
+                        throw Error("Invalid telemetry item");
+                    }
+                    // do basic validation before sending it through the pipeline
+                    _validateTelemetryItem(telemetryItem);
+                    _base.track(telemetryItem);
+                }, function () { return ({ item: telemetryItem }); }, !(telemetryItem.sync));
+            };
+            /**
+             * Adds a notification listener. The SDK calls methods on the listener when an appropriate notification is raised.
+             * The added plugins must raise notifications. If the plugins do not implement the notifications, then no methods will be
+             * called.
+             * @param {INotificationListener} listener - An INotificationListener object.
+             */
+            _self.addNotificationListener = function (listener) {
+                var manager = _self.getNotifyMgr();
+                if (manager) {
+                    manager.addNotificationListener(listener);
+                }
+            };
+            /**
+             * Removes all instances of the listener.
+             * @param {INotificationListener} listener - INotificationListener to remove.
+             */
+            _self.removeNotificationListener = function (listener) {
+                var manager = _self.getNotifyMgr();
+                if (manager) {
+                    manager.removeNotificationListener(listener);
+                }
+            };
+            /**
+             * Periodically check logger.queue for
+             */
+            _self.pollInternalLogs = function (eventName) {
+                var interval = _self.config.diagnosticLogInterval;
+                if (!interval || !(interval > 0)) {
+                    interval = 10000;
+                }
+                return setInterval(function () {
+                    var queue = _self.logger ? _self.logger.queue : [];
+                    CoreUtils.arrForEach(queue, function (logMessage) {
+                        var item = {
+                            name: eventName ? eventName : "InternalMessageId: " + logMessage.messageId,
+                            iKey: _self.config.instrumentationKey,
+                            time: CoreUtils.toISOString(new Date()),
+                            baseType: _InternalLogMessage.dataType,
+                            baseData: { message: logMessage.message }
+                        };
+                        _self.track(item);
+                    });
+                    queue.length = 0;
+                }, interval);
+            };
+            function _validateTelemetryItem(telemetryItem) {
+                if (CoreUtils.isNullOrUndefined(telemetryItem.name)) {
+                    _notifyInvalidEvent(telemetryItem);
+                    throw Error("telemetry name required");
+                }
+            }
+            function _notifyInvalidEvent(telemetryItem) {
+                var manager = _self.getNotifyMgr();
+                if (manager) {
+                    manager.eventsDiscarded([telemetryItem], EventsDiscardedReason.InvalidEvent);
+                }
+            }
+        });
+        return _this;
     }
-    AppInsightsCore.prototype.initialize = function (config, extensions) {
-        var _self = this;
-        _self._notificationManager = new NotificationManager();
-        _self.logger = new DiagnosticLogger(config);
-        _self.config = config;
-        _super.prototype.initialize.call(this, config, extensions, _self.logger, _self._notificationManager);
+    AppInsightsCore.prototype.initialize = function (config, extensions, logger, notificationManager) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
-    AppInsightsCore.prototype.getTransmissionControls = function () {
-        return _super.prototype.getTransmissionControls.call(this);
-    };
     AppInsightsCore.prototype.track = function (telemetryItem) {
-        if (telemetryItem === null) {
-            this._notifyInvalidEvent(telemetryItem);
-            // throw error
-            throw Error("Invalid telemetry item");
-        }
-        // do basic validation before sending it through the pipeline
-        this._validateTelemetryItem(telemetryItem);
-        _super.prototype.track.call(this, telemetryItem);
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -40,5 +102,3 @@ /**
     AppInsightsCore.prototype.addNotificationListener = function (listener) {
-        if (this._notificationManager) {
-            this._notificationManager.addNotificationListener(listener);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -50,5 +110,3 @@ /**
     AppInsightsCore.prototype.removeNotificationListener = function (listener) {
-        if (this._notificationManager) {
-            this._notificationManager.removeNotificationListener(listener);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -59,34 +117,5 @@ /**
     AppInsightsCore.prototype.pollInternalLogs = function (eventName) {
-        var _this = this;
-        var interval = this.config.diagnosticLogInterval;
-        if (!interval || !(interval > 0)) {
-            interval = 10000;
-        }
-        return setInterval(function () {
-            var _self = _this;
-            var queue = _self.logger ? _self.logger.queue : [];
-            CoreUtils.arrForEach(queue, function (logMessage) {
-                var item = {
-                    name: eventName ? eventName : "InternalMessageId: " + logMessage.messageId,
-                    iKey: _self.config.instrumentationKey,
-                    time: CoreUtils.toISOString(new Date()),
-                    baseType: _InternalLogMessage.dataType,
-                    baseData: { message: logMessage.message }
-                };
-                _self.track(item);
-            });
-            queue.length = 0;
-        }, interval);
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 0;
     };
-    AppInsightsCore.prototype._validateTelemetryItem = function (telemetryItem) {
-        if (CoreUtils.isNullOrUndefined(telemetryItem.name)) {
-            this._notifyInvalidEvent(telemetryItem);
-            throw Error("telemetry name required");
-        }
-    };
-    AppInsightsCore.prototype._notifyInvalidEvent = function (telemetryItem) {
-        if (this._notificationManager) {
-            this._notificationManager.eventsDiscarded([telemetryItem], EventsDiscardedReason.InvalidEvent);
-        }
-    };
     return AppInsightsCore;
@@ -93,0 +122,0 @@ }(BaseCore));

dist-esm/JavaScriptSDK/BaseCore.js

@@ -8,150 +8,205 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { initializePlugins, sortPlugins } from './TelemetryHelpers';
+import dynamicProto from '@microsoft/dynamicproto-js';
+import { PerfManager } from "./PerfManager";
 var validationError = "Extensions must provide callback to initialize";
 var _arrForEach = CoreUtils.arrForEach;
 var _isNullOrUndefined = CoreUtils.isNullOrUndefined;
+var strNotificationManager = "_notificationManager";
 var BaseCore = /** @class */ (function () {
     function BaseCore() {
         var _isInitialized = false;
-        var _this = this;
-        _this._extensions = new Array();
-        _this._channelController = new ChannelController();
-        _this.isInitialized = function () { return _isInitialized; };
-        _this._setInit = function (value) { _isInitialized = value; };
-        _this._eventQueue = [];
-    }
-    BaseCore.prototype.initialize = function (config, extensions, logger, notificationManager) {
-        var _this = this;
-        // Make sure core is only initialized once
-        if (_this.isInitialized()) {
-            throw Error("Core should not be initialized more than once");
-        }
-        if (!config || _isNullOrUndefined(config.instrumentationKey)) {
-            throw Error("Please provide instrumentation key");
-        }
-        _this.config = config;
-        var channelController = _this._channelController;
-        if (!notificationManager) {
-            // Create Dummy notification manager
-            notificationManager = CoreUtils.objCreate({
-                addNotificationListener: function (listener) { },
-                removeNotificationListener: function (listener) { },
-                eventsSent: function (events) { },
-                eventsDiscarded: function (events, reason) { },
-                eventsSendRequest: function (sendReason, isAsync) { }
-            });
-        }
-        _this._notificationManager = notificationManager;
-        config.extensions = _isNullOrUndefined(config.extensions) ? [] : config.extensions;
-        // add notification to the extensions in the config so other plugins can access it
-        var extConfig = config.extensionConfig = _isNullOrUndefined(config.extensionConfig) ? {} : config.extensionConfig;
-        extConfig.NotificationManager = notificationManager;
-        if (!logger) {
-            logger = CoreUtils.objCreate({
-                throwInternal: function (severity, msgId, msg, properties, isUserAct) {
-                    if (isUserAct === void 0) { isUserAct = false; }
-                },
-                warnToConsole: function (message) { },
-                resetInternalMessageCount: function () { }
-            });
-        }
-        _this.logger = logger;
-        // Concat all available extensions
-        var allExtensions = [];
-        allExtensions.push.apply(allExtensions, extensions.concat(config.extensions));
-        allExtensions = sortPlugins(allExtensions);
-        var coreExtensions = [];
-        var channelExtensions = [];
-        // Check if any two extensions have the same priority, then warn to console
-        // And extract the local extensions from the 
-        var extPriorities = {};
-        // Extension validation
-        _arrForEach(allExtensions, function (ext) {
-            if (_isNullOrUndefined(ext) || _isNullOrUndefined(ext.initialize)) {
-                throw Error(validationError);
-            }
-            var extPriority = ext.priority;
-            var identifier = ext.identifier;
-            if (ext && extPriority) {
-                if (!_isNullOrUndefined(extPriorities[extPriority])) {
-                    logger.warnToConsole("Two extensions have same priority #" + extPriority + " - " + extPriorities[extPriority] + ", " + identifier);
+        var _eventQueue;
+        var _channelController;
+        var _notificationManager;
+        var _perfManager;
+        dynamicProto(BaseCore, this, function (_self) {
+            _self._extensions = new Array();
+            _channelController = new ChannelController();
+            _eventQueue = [];
+            _self.isInitialized = function () { return _isInitialized; };
+            _self.initialize = function (config, extensions, logger, notificationManager) {
+                // Make sure core is only initialized once
+                if (_self.isInitialized()) {
+                    throw Error("Core should not be initialized more than once");
                 }
+                if (!config || _isNullOrUndefined(config.instrumentationKey)) {
+                    throw Error("Please provide instrumentation key");
+                }
+                _notificationManager = notificationManager;
+                // For backward compatibility only
+                _self[strNotificationManager] = notificationManager;
+                _self.config = config || {};
+                config.extensions = _isNullOrUndefined(config.extensions) ? [] : config.extensions;
+                // add notification to the extensions in the config so other plugins can access it
+                var extConfig = config.extensionConfig = _isNullOrUndefined(config.extensionConfig) ? {} : config.extensionConfig;
+                extConfig.NotificationManager = notificationManager;
+                if (!logger) {
+                    logger = CoreUtils.objCreate({
+                        throwInternal: function (severity, msgId, msg, properties, isUserAct) {
+                            if (isUserAct === void 0) { isUserAct = false; }
+                        },
+                        warnToConsole: function (message) { },
+                        resetInternalMessageCount: function () { }
+                    });
+                }
+                _self.logger = logger;
+                // Concat all available extensions
+                var allExtensions = [];
+                allExtensions.push.apply(allExtensions, extensions.concat(config.extensions));
+                allExtensions = sortPlugins(allExtensions);
+                var coreExtensions = [];
+                var channelExtensions = [];
+                // Check if any two extensions have the same priority, then warn to console
+                // And extract the local extensions from the 
+                var extPriorities = {};
+                // Extension validation
+                _arrForEach(allExtensions, function (ext) {
+                    if (_isNullOrUndefined(ext) || _isNullOrUndefined(ext.initialize)) {
+                        throw Error(validationError);
+                    }
+                    var extPriority = ext.priority;
+                    var identifier = ext.identifier;
+                    if (ext && extPriority) {
+                        if (!_isNullOrUndefined(extPriorities[extPriority])) {
+                            logger.warnToConsole("Two extensions have same priority #" + extPriority + " - " + extPriorities[extPriority] + ", " + identifier);
+                        }
+                        else {
+                            // set a value
+                            extPriorities[extPriority] = identifier;
+                        }
+                    }
+                    // Split extensions to core and channelController
+                    if (!extPriority || extPriority < _channelController.priority) {
+                        // Add to core extension that will be managed by BaseCore
+                        coreExtensions.push(ext);
+                    }
+                    else {
+                        // Add all other extensions to be managed by the channel controller
+                        channelExtensions.push(ext);
+                    }
+                });
+                // Validation complete
+                // Add the channelController to the complete extension collection and
+                // to the end of the core extensions
+                allExtensions.push(_channelController);
+                coreExtensions.push(_channelController);
+                // Sort the complete set of extensions by priority
+                allExtensions = sortPlugins(allExtensions);
+                _self._extensions = allExtensions;
+                // initialize channel controller first, this will initialize all channel plugins
+                initializePlugins(new ProcessTelemetryContext([_channelController], config, _self), allExtensions);
+                initializePlugins(new ProcessTelemetryContext(coreExtensions, config, _self), allExtensions);
+                // Now reset the extensions to just those being managed by Basecore
+                _self._extensions = coreExtensions;
+                if (_self.getTransmissionControls().length === 0) {
+                    throw new Error("No channels available");
+                }
+                _isInitialized = true;
+                _self.releaseQueue();
+            };
+            _self.getTransmissionControls = function () {
+                return _channelController.getChannelControls();
+            };
+            _self.track = function (telemetryItem) {
+                if (!telemetryItem.iKey) {
+                    // setup default iKey if not passed in
+                    telemetryItem.iKey = _self.config.instrumentationKey;
+                }
+                if (!telemetryItem.time) {
+                    // add default timestamp if not passed in
+                    telemetryItem.time = CoreUtils.toISOString(new Date());
+                }
+                if (_isNullOrUndefined(telemetryItem.ver)) {
+                    // CommonSchema 4.0
+                    telemetryItem.ver = "4.0";
+                }
+                if (_self.isInitialized()) {
+                    // Process the telemetry plugin chain
+                    _self.getProcessTelContext().processNext(telemetryItem);
+                }
                 else {
-                    // set a value
-                    extPriorities[extPriority] = identifier;
+                    // Queue events until all extensions are initialized
+                    _eventQueue.push(telemetryItem);
                 }
-            }
-            // Split extensions to core and channelController
-            if (!extPriority || extPriority < channelController.priority) {
-                // Add to core extension that will be managed by BaseCore
-                coreExtensions.push(ext);
-            }
-            else {
-                // Add all other extensions to be managed by the channel controller
-                channelExtensions.push(ext);
-            }
+            };
+            _self.getProcessTelContext = function () {
+                var extensions = _self._extensions;
+                var thePlugins = extensions;
+                // invoke any common telemetry processors before sending through pipeline
+                if (!extensions || extensions.length === 0) {
+                    // Pass to Channel controller so data is sent to correct channel queues
+                    thePlugins = [_channelController];
+                }
+                return new ProcessTelemetryContext(thePlugins, _self.config, _self);
+            };
+            _self.getNotifyMgr = function () {
+                if (!_notificationManager) {
+                    // Create Dummy notification manager
+                    _notificationManager = CoreUtils.objCreate({
+                        addNotificationListener: function (listener) { },
+                        removeNotificationListener: function (listener) { },
+                        eventsSent: function (events) { },
+                        eventsDiscarded: function (events, reason) { },
+                        eventsSendRequest: function (sendReason, isAsync) { }
+                    });
+                    // For backward compatibility only
+                    _self[strNotificationManager] = _notificationManager;
+                }
+                return _notificationManager;
+            };
+            _self.getPerfMgr = function () {
+                if (!_perfManager) {
+                    if (_self.config && _self.config.enablePerfMgr) {
+                        _perfManager = new PerfManager(_self.getNotifyMgr());
+                    }
+                }
+                return _perfManager;
+            };
+            _self.setPerfMgr = function (perfMgr) {
+                _perfManager = perfMgr;
+            };
+            _self.eventCnt = function () {
+                return _eventQueue.length;
+            };
+            _self.releaseQueue = function () {
+                if (_eventQueue.length > 0) {
+                    _arrForEach(_eventQueue, function (event) {
+                        _self.getProcessTelContext().processNext(event);
+                    });
+                    _eventQueue = [];
+                }
+            };
         });
-        // Validation complete
-        // Add the channelController to the complete extension collection and
-        // to the end of the core extensions
-        allExtensions.push(channelController);
-        coreExtensions.push(channelController);
-        // Sort the complete set of extensions by priority
-        allExtensions = sortPlugins(allExtensions);
-        _this._extensions = allExtensions;
-        // initialize channel controller first, this will initialize all channel plugins
-        initializePlugins(new ProcessTelemetryContext([channelController], config, _this), allExtensions);
-        initializePlugins(new ProcessTelemetryContext(coreExtensions, config, _this), allExtensions);
-        // Now reset the extensions to just those being managed by Basecore
-        _this._extensions = coreExtensions;
-        if (_this.getTransmissionControls().length === 0) {
-            throw new Error("No channels available");
-        }
-        _this._setInit(true);
-        _this.releaseQueue();
+    }
+    BaseCore.prototype.initialize = function (config, extensions, logger, notificationManager) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
     BaseCore.prototype.getTransmissionControls = function () {
-        return this._channelController.getChannelControls();
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
     };
     BaseCore.prototype.track = function (telemetryItem) {
-        var _this = this;
-        if (!telemetryItem.iKey) {
-            // setup default iKey if not passed in
-            telemetryItem.iKey = _this.config.instrumentationKey;
-        }
-        if (!telemetryItem.time) {
-            // add default timestamp if not passed in
-            telemetryItem.time = CoreUtils.toISOString(new Date());
-        }
-        if (_isNullOrUndefined(telemetryItem.ver)) {
-            // CommonSchema 4.0
-            telemetryItem.ver = "4.0";
-        }
-        if (_this.isInitialized()) {
-            // Process the telemetry plugin chain
-            _this.getProcessTelContext().processNext(telemetryItem);
-        }
-        else {
-            // Queue events until all extensions are initialized
-            _this._eventQueue.push(telemetryItem);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
     BaseCore.prototype.getProcessTelContext = function () {
-        var _this = this;
-        var extensions = _this._extensions;
-        var thePlugins = extensions;
-        // invoke any common telemetry processors before sending through pipeline
-        if (!extensions || extensions.length === 0) {
-            // Pass to Channel controller so data is sent to correct channel queues
-            thePlugins = [_this._channelController];
-        }
-        return new ProcessTelemetryContext(thePlugins, _this.config, _this);
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
     };
+    BaseCore.prototype.getNotifyMgr = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
+    };
+    BaseCore.prototype.getPerfMgr = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
+    };
+    BaseCore.prototype.setPerfMgr = function (perfMgr) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+    };
+    BaseCore.prototype.eventCnt = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 0;
+    };
     BaseCore.prototype.releaseQueue = function () {
-        var _this = this;
-        if (_this._eventQueue.length > 0) {
-            _arrForEach(_this._eventQueue, function (event) {
-                _this.getProcessTelContext().processNext(event);
-            });
-            _this._eventQueue = [];
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -158,0 +213,0 @@ return BaseCore;

dist-esm/JavaScriptSDK/ChannelController.js

@@ -8,79 +8,93 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { initializePlugins } from './TelemetryHelpers';
+import dynamicProto from '@microsoft/dynamicproto-js';
 var ChannelControllerPriority = 500;
 var ChannelValidationMessage = "Channel has invalid priority";
-var _arrForEach = CoreUtils.arrForEach;
 var _objDefineAccessors = CoreUtils.objDefineAccessors;
-function _checkQueuePriority(queue) {
-    _arrForEach(queue, function (queueItem) {
-        if (queueItem.priority < ChannelControllerPriority) {
-            throw Error(ChannelValidationMessage + queueItem.identifier);
-        }
-    });
-}
-function _addChannelQueue(channelQueues, queue) {
-    if (queue && queue.length > 0) {
-        queue = queue.sort(function (a, b) {
-            return a.priority - b.priority;
-        });
-        _checkQueuePriority(queue);
-        channelQueues.push(queue);
-    }
-}
-function _createChannelQueues(channels, extensions) {
-    var channelQueues = [];
-    if (channels) {
-        // Add and sort the configuration channel queues
-        _arrForEach(channels, function (queue) { return _addChannelQueue(channelQueues, queue); });
-    }
-    if (extensions) {
-        // Create a new channel queue for any extensions with a priority > the ChannelControllerPriority
-        var extensionQueue_1 = [];
-        _arrForEach(extensions, function (plugin) {
-            if (plugin.priority > ChannelControllerPriority) {
-                extensionQueue_1.push(plugin);
-            }
-        });
-        _addChannelQueue(channelQueues, extensionQueue_1);
-    }
-    return channelQueues;
-}
 var ChannelController = /** @class */ (function (_super) {
     __extends(ChannelController, _super);
     function ChannelController() {
-        var _this = _super !== null && _super.apply(this, arguments) || this;
+        var _this = _super.call(this) || this;
         _this.identifier = "ChannelControllerPlugin";
         _this.priority = ChannelControllerPriority; // in reserved range 100 to 200
+        var _arrForEach = CoreUtils.arrForEach;
+        var _channelQueue;
+        dynamicProto(ChannelController, _this, function (_self, _base) {
+            _self.setNextPlugin = function (next) {
+                // The Channel controller is last in pipeline
+            };
+            _self.processTelemetry = function (item, itemCtx) {
+                if (_channelQueue) {
+                    _arrForEach(_channelQueue, function (queues) {
+                        // pass on to first item in queue
+                        if (queues.length > 0) {
+                            // Copying the item context as we could have mutiple chains that are executing asynchronously
+                            // and calling _getDefTelCtx as it's possible that the caller doesn't pass any context
+                            var chainCtx = _this._getTelCtx(itemCtx).createNew(queues);
+                            chainCtx.processNext(item);
+                        }
+                    });
+                }
+            };
+            _self.getChannelControls = function () {
+                return _channelQueue;
+            };
+            _self.initialize = function (config, core, extensions) {
+                if (_self.isInitialized()) {
+                    // already initialized
+                    return;
+                }
+                _base.initialize(config, core, extensions);
+                if (config.isCookieUseDisabled) {
+                    CoreUtils.disableCookies();
+                }
+                _createChannelQueues((config || {}).channels, extensions);
+                // Initialize the Queues
+                _arrForEach(_channelQueue, function (queue) { return initializePlugins(new ProcessTelemetryContext(queue, config, core), extensions); });
+            };
+        });
+        function _checkQueuePriority(queue) {
+            _arrForEach(queue, function (queueItem) {
+                if (queueItem.priority < ChannelControllerPriority) {
+                    throw Error(ChannelValidationMessage + queueItem.identifier);
+                }
+            });
+        }
+        function _addChannelQueue(queue) {
+            if (queue && queue.length > 0) {
+                queue = queue.sort(function (a, b) {
+                    return a.priority - b.priority;
+                });
+                _checkQueuePriority(queue);
+                _channelQueue.push(queue);
+            }
+        }
+        function _createChannelQueues(channels, extensions) {
+            _channelQueue = [];
+            if (channels) {
+                // Add and sort the configuration channel queues
+                _arrForEach(channels, function (queue) { return _addChannelQueue(queue); });
+            }
+            if (extensions) {
+                // Create a new channel queue for any extensions with a priority > the ChannelControllerPriority
+                var extensionQueue_1 = [];
+                _arrForEach(extensions, function (plugin) {
+                    if (plugin.priority > ChannelControllerPriority) {
+                        extensionQueue_1.push(plugin);
+                    }
+                });
+                _addChannelQueue(extensionQueue_1);
+            }
+        }
         return _this;
     }
     ChannelController.prototype.processTelemetry = function (item, itemCtx) {
-        var _this = this;
-        if (this._channelQueue) {
-            _arrForEach(this._channelQueue, function (queues) {
-                // pass on to first item in queue
-                if (queues.length > 0) {
-                    // Copying the item context as we could have mutiple chains that are executing asynchronously
-                    // and calling _getDefTelCtx as it's possible that the caller doesn't pass any context
-                    var chainCtx = _this._getTelCtx(itemCtx).createNew(queues);
-                    chainCtx.processNext(item);
-                }
-            });
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
     ;
     ChannelController.prototype.getChannelControls = function () {
-        return this._channelQueue;
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
     };
     ChannelController.prototype.initialize = function (config, core, extensions) {
-        var _self = this;
-        if (_self.isInitialized()) {
-            // already initialized
-            return;
-        }
-        _super.prototype.initialize.call(this, config, core, extensions);
-        if (config.isCookieUseDisabled) {
-            CoreUtils.disableCookies();
-        }
-        var channelQueue = _self._channelQueue = _createChannelQueues((config || {}).channels, extensions);
-        // Initialize the Queues
-        _arrForEach(channelQueue, function (queue) { return initializePlugins(new ProcessTelemetryContext(queue, config, core), extensions); });
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -87,0 +101,0 @@ /**

dist-esm/JavaScriptSDK/CoreUtils.js

@@ -6,2 +6,3 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { getWindow, getDocument, getCrypto } from './EnvUtils';
+import { PerfEvent } from '../JavaScriptSDK/PerfManager';
 // Added to help with minfication
@@ -115,2 +116,14 @@ export var Undefined = strShimUndefined;
     /**
+     * Check if an object is of type Array
+     */
+    CoreUtils.isArray = function (obj) {
+        return Object[strShimPrototype].toString.call(obj) === "[object Array]";
+    };
+    /**
+     * Check if an object is of type Error
+     */
+    CoreUtils.isError = function (obj) {
+        return Object[strShimPrototype].toString.call(obj) === "[object Error]";
+    };
+    /**
      * Checks if the type of value is a string.
@@ -428,2 +441,57 @@ * @param {any} value - Value to be checked.
 export { EventHelper };
+var doPerfActiveKey = "CoreUtils.doPerf";
+/**
+ * Helper function to wrap a function with a perf event
+ * @param mgrSource - The Performance Manager or a Performance provider source (may be null)
+ * @param getSource - The callback to create the source name for the event (if perf monitoring is enabled)
+ * @param func - The function to call and measure
+ * @param details - A function to return the payload details
+ * @param isAsync - Is the event / function being call asynchronously or synchronously
+ */
+export function doPerf(mgrSource, getSource, func, details, isAsync) {
+    if (mgrSource) {
+        var perfMgr = mgrSource;
+        if (perfMgr && CoreUtils.isFunction(perfMgr["getPerfMgr"])) {
+            // Looks like a perf manager provider object
+            perfMgr = perfMgr["getPerfMgr"]();
+        }
+        if (perfMgr) {
+            var perfEvt = void 0;
+            var currentActive = perfMgr.getCtx(doPerfActiveKey);
+            try {
+                perfEvt = perfMgr.create(getSource(), details, isAsync);
+                if (perfEvt) {
+                    if (currentActive && perfEvt.setCtx) {
+                        perfEvt.setCtx(PerfEvent.ParentContextKey, currentActive);
+                        if (currentActive.getCtx && currentActive.setCtx) {
+                            var children = currentActive.getCtx(PerfEvent.ChildrenContextKey);
+                            if (!children) {
+                                children = [];
+                                currentActive.setCtx(PerfEvent.ChildrenContextKey, children);
+                            }
+                            children.push(perfEvt);
+                        }
+                    }
+                    // Set this event as the active event now
+                    perfMgr.setCtx(doPerfActiveKey, perfEvt);
+                    return func(perfEvt);
+                }
+            }
+            catch (ex) {
+                if (perfEvt && perfEvt.setCtx) {
+                    perfEvt.setCtx("exception", ex);
+                }
+            }
+            finally {
+                // fire the perf event
+                if (perfEvt) {
+                    perfMgr.fire(perfEvt);
+                }
+                // Reset the active event to the previous value
+                perfMgr.setCtx(doPerfActiveKey, currentActive);
+            }
+        }
+    }
+    return func();
+}
 //# sourceMappingURL=CoreUtils.js.map

dist-esm/JavaScriptSDK/DiagnosticLogger.js

@@ -6,9 +6,29 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { CoreUtils } from "./CoreUtils";
-import { hasJSON, getJSON } from "./EnvUtils";
+import { hasJSON, getJSON, getConsole } from "./EnvUtils";
+import dynamicProto from '@microsoft/dynamicproto-js';
+/**
+ * For user non actionable traces use AI Internal prefix.
+ */
+var AiNonUserActionablePrefix = "AI (Internal): ";
+/**
+ * Prefix of the traces in portal.
+ */
+var AiUserActionablePrefix = "AI: ";
+/**
+ *  Session storage key for the prefix for the key indicating message type already logged
+ */
+var AIInternalMessagePrefix = "AITR_";
+function _sanitizeDiagnosticText(text) {
+    if (text) {
+        return "\"" + text.replace(/\"/g, "") + "\"";
+    }
+    return "";
+}
 var _InternalLogMessage = /** @class */ (function () {
     function _InternalLogMessage(msgId, msg, isUserAct, properties) {
         if (isUserAct === void 0) { isUserAct = false; }
-        this.messageId = msgId;
-        this.message =
-            (isUserAct ? _InternalLogMessage.AiUserActionablePrefix : _InternalLogMessage.AiNonUserActionablePrefix) +
+        var _self = this;
+        _self.messageId = msgId;
+        _self.message =
+            (isUserAct ? AiUserActionablePrefix : AiNonUserActionablePrefix) +
                 msgId;
@@ -19,21 +39,7 @@ var strProps = "";
         }
-        var diagnosticText = (msg ? " message:" + _InternalLogMessage.sanitizeDiagnosticText(msg) : "") +
-            (properties ? " props:" + _InternalLogMessage.sanitizeDiagnosticText(strProps) : "");
-        this.message += diagnosticText;
+        var diagnosticText = (msg ? " message:" + _sanitizeDiagnosticText(msg) : "") +
+            (properties ? " props:" + _sanitizeDiagnosticText(strProps) : "");
+        _self.message += diagnosticText;
     }
-    _InternalLogMessage.sanitizeDiagnosticText = function (text) {
-        if (text) {
-            return "\"" + text.replace(/\"/g, "") + "\"";
-        }
-        return "";
-    };
     _InternalLogMessage.dataType = "MessageData";
-    /**
-     * For user non actionable traces use AI Internal prefix.
-     */
-    _InternalLogMessage.AiNonUserActionablePrefix = "AI (Internal): ";
-    /**
-     * Prefix of the traces in portal.
-     */
-    _InternalLogMessage.AiUserActionablePrefix = "AI: ";
     return _InternalLogMessage;
@@ -44,2 +50,3 @@ }());
     function DiagnosticLogger(config) {
+        this.identifier = 'DiagnosticLogger';
         /**
@@ -50,53 +57,155 @@ * The internal logging queue
         /**
-         *  Session storage key for the prefix for the key indicating message type already logged
-         */
-        this.AIInternalMessagePrefix = "AITR_";
-        /**
          * Count of internal messages sent
          */
-        this._messageCount = 0;
+        var _messageCount = 0;
         /**
          * Holds information about what message types were already logged to console or sent to server.
          */
-        this._messageLogged = {};
-        /**
-         * When this is true the SDK will throw exceptions to aid in debugging.
-         */
-        this.enableDebugExceptions = function () { return false; };
-        /**
-         * 0: OFF (default)
-         * 1: CRITICAL
-         * 2: >= WARNING
-         */
-        this.consoleLoggingLevel = function () { return 0; };
-        /**
-         * 0: OFF
-         * 1: CRITICAL (default)
-         * 2: >= WARNING
-         */
-        this.telemetryLoggingLevel = function () { return 1; };
-        /**
-         * The maximum number of internal messages allowed to be sent per page view
-         */
-        this.maxInternalMessageLimit = function () { return 25; };
-        if (CoreUtils.isNullOrUndefined(config)) {
-            // TODO: Use default config
-            // config = AppInsightsCore.defaultConfig;
-            // For now, use defaults specified in DiagnosticLogger members;
-            return;
-        }
-        if (!CoreUtils.isNullOrUndefined(config.loggingLevelConsole)) {
-            this.consoleLoggingLevel = function () { return config.loggingLevelConsole; };
-        }
-        if (!CoreUtils.isNullOrUndefined(config.loggingLevelTelemetry)) {
-            this.telemetryLoggingLevel = function () { return config.loggingLevelTelemetry; };
-        }
-        if (!CoreUtils.isNullOrUndefined(config.maxMessageLimit)) {
-            this.maxInternalMessageLimit = function () { return config.maxMessageLimit; };
-        }
-        if (!CoreUtils.isNullOrUndefined(config.enableDebugExceptions)) {
-            this.enableDebugExceptions = function () { return config.enableDebugExceptions; };
-        }
+        var _messageLogged = {};
+        dynamicProto(DiagnosticLogger, this, function (_self) {
+            var isNullOrUndefined = CoreUtils.isNullOrUndefined;
+            var isUndefined = CoreUtils.isUndefined;
+            var isFunction = CoreUtils.isFunction;
+            if (isNullOrUndefined(config)) {
+                config = {};
+            }
+            _self.consoleLoggingLevel = function () { return _getConfigValue('loggingLevelConsole', 0); };
+            _self.telemetryLoggingLevel = function () { return _getConfigValue('loggingLevelTelemetry', 1); };
+            _self.maxInternalMessageLimit = function () { return _getConfigValue('maxMessageLimit', 25); };
+            _self.enableDebugExceptions = function () { return _getConfigValue('enableDebugExceptions', false); };
+            /**
+             * This method will throw exceptions in debug mode or attempt to log the error as a console warning.
+             * @param severity {LoggingSeverity} - The severity of the log message
+             * @param message {_InternalLogMessage} - The log message.
+             */
+            _self.throwInternal = function (severity, msgId, msg, properties, isUserAct) {
+                if (isUserAct === void 0) { isUserAct = false; }
+                var message = new _InternalLogMessage(msgId, msg, isUserAct, properties);
+                if (_self.enableDebugExceptions()) {
+                    throw message;
+                }
+                else {
+                    if (!isUndefined(message) && !!message) {
+                        if (!isUndefined(message.message)) {
+                            if (isUserAct) {
+                                // check if this message type was already logged to console for this page view and if so, don't log it again
+                                var messageKey = +message.messageId;
+                                if (!_messageLogged[messageKey] && _self.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
+                                    _self.warnToConsole(message.message);
+                                    _messageLogged[messageKey] = true;
+                                }
+                            }
+                            else {
+                                // don't log internal AI traces in the console, unless the verbose logging is enabled
+                                if (_self.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
+                                    _self.warnToConsole(message.message);
+                                }
+                            }
+                            _self.logInternalMessage(severity, message);
+                        }
+                    }
+                }
+            };
+            /**
+             * This will write a warning to the console if possible
+             * @param message {string} - The warning message
+             */
+            _self.warnToConsole = function (message) {
+                var theConsole = getConsole();
+                if (!!theConsole) {
+                    var logFunc = 'log';
+                    if (theConsole.warn) {
+                        logFunc = 'warn';
+                    }
+                    if (isFunction(theConsole[logFunc])) {
+                        theConsole[logFunc](message);
+                    }
+                }
+            };
+            /**
+             * Resets the internal message count
+             */
+            _self.resetInternalMessageCount = function () {
+                _messageCount = 0;
+                _messageLogged = {};
+            };
+            /**
+             * Logs a message to the internal queue.
+             * @param severity {LoggingSeverity} - The severity of the log message
+             * @param message {_InternalLogMessage} - The message to log.
+             */
+            _self.logInternalMessage = function (severity, message) {
+                if (_areInternalMessagesThrottled()) {
+                    return;
+                }
+                // check if this message type was already logged for this session and if so, don't log it again
+                var logMessage = true;
+                var messageKey = AIInternalMessagePrefix + message.messageId;
+                // if the session storage is not available, limit to only one message type per page view
+                if (_messageLogged[messageKey]) {
+                    logMessage = false;
+                }
+                else {
+                    _messageLogged[messageKey] = true;
+                }
+                if (logMessage) {
+                    // Push the event in the internal queue
+                    if (severity <= _self.telemetryLoggingLevel()) {
+                        _self.queue.push(message);
+                        _messageCount++;
+                    }
+                    // When throttle limit reached, send a special event
+                    if (_messageCount === _self.maxInternalMessageLimit()) {
+                        var throttleLimitMessage = "Internal events throttle limit per PageView reached for this app.";
+                        var throttleMessage = new _InternalLogMessage(_InternalMessageId.MessageLimitPerPVExceeded, throttleLimitMessage, false);
+                        _self.queue.push(throttleMessage);
+                        _self.warnToConsole(throttleLimitMessage);
+                    }
+                }
+            };
+            function _getConfigValue(name, defValue) {
+                var value = config[name];
+                if (!isNullOrUndefined(value)) {
+                    return value;
+                }
+                return defValue;
+            }
+            function _areInternalMessagesThrottled() {
+                return _messageCount >= _self.maxInternalMessageLimit();
+            }
+        });
     }
     /**
+     * When this is true the SDK will throw exceptions to aid in debugging.
+     */
+    DiagnosticLogger.prototype.enableDebugExceptions = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return false;
+    };
+    /**
+     * 0: OFF (default)
+     * 1: CRITICAL
+     * 2: >= WARNING
+     */
+    DiagnosticLogger.prototype.consoleLoggingLevel = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 0;
+    };
+    /**
+     * 0: OFF
+     * 1: CRITICAL (default)
+     * 2: >= WARNING
+     */
+    DiagnosticLogger.prototype.telemetryLoggingLevel = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 1;
+    };
+    /**
+     * The maximum number of internal messages allowed to be sent per page view
+     */
+    DiagnosticLogger.prototype.maxInternalMessageLimit = function () {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 25;
+    };
+    /**
      * This method will throw exceptions in debug mode or attempt to log the error as a console warning.
@@ -108,28 +217,3 @@ * @param severity {LoggingSeverity} - The severity of the log message
         if (isUserAct === void 0) { isUserAct = false; }
-        var message = new _InternalLogMessage(msgId, msg, isUserAct, properties);
-        var _this = this;
-        if (_this.enableDebugExceptions()) {
-            throw message;
-        }
-        else {
-            if (!CoreUtils.isUndefined(message) && !!message) {
-                if (!CoreUtils.isUndefined(message.message)) {
-                    if (isUserAct) {
-                        // check if this message type was already logged to console for this page view and if so, don't log it again
-                        var messageKey = +message.messageId;
-                        if (!_this._messageLogged[messageKey] && _this.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
-                            _this.warnToConsole(message.message);
-                            _this._messageLogged[messageKey] = true;
-                        }
-                    }
-                    else {
-                        // don't log internal AI traces in the console, unless the verbose logging is enabled
-                        if (_this.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
-                            _this.warnToConsole(message.message);
-                        }
-                    }
-                    _this.logInternalMessage(severity, message);
-                }
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -141,10 +225,3 @@ /**
     DiagnosticLogger.prototype.warnToConsole = function (message) {
-        if (!CoreUtils.isUndefined(console) && !!console) {
-            if (CoreUtils.isFunction(console.warn)) {
-                console.warn(message);
-            }
-            else if (CoreUtils.isFunction(console.log)) {
-                console.log(message);
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -155,4 +232,3 @@ /**
     DiagnosticLogger.prototype.resetInternalMessageCount = function () {
-        this._messageCount = 0;
-        this._messageLogged = {};
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -165,37 +241,4 @@ /**
     DiagnosticLogger.prototype.logInternalMessage = function (severity, message) {
-        var _this = this;
-        if (_this._areInternalMessagesThrottled()) {
-            return;
-        }
-        // check if this message type was already logged for this session and if so, don't log it again
-        var logMessage = true;
-        var messageKey = _this.AIInternalMessagePrefix + message.messageId;
-        // if the session storage is not available, limit to only one message type per page view
-        if (_this._messageLogged[messageKey]) {
-            logMessage = false;
-        }
-        else {
-            _this._messageLogged[messageKey] = true;
-        }
-        if (logMessage) {
-            // Push the event in the internal queue
-            if (severity <= _this.telemetryLoggingLevel()) {
-                _this.queue.push(message);
-                _this._messageCount++;
-            }
-            // When throttle limit reached, send a special event
-            if (_this._messageCount === _this.maxInternalMessageLimit()) {
-                var throttleLimitMessage = "Internal events throttle limit per PageView reached for this app.";
-                var throttleMessage = new _InternalLogMessage(_InternalMessageId.MessageLimitPerPVExceeded, throttleLimitMessage, false);
-                _this.queue.push(throttleMessage);
-                _this.warnToConsole(throttleLimitMessage);
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
-    /**
-     * Indicates whether the internal events are throttled
-     */
-    DiagnosticLogger.prototype._areInternalMessagesThrottled = function () {
-        return this._messageCount >= this.maxInternalMessageLimit();
-    };
     return DiagnosticLogger;
@@ -202,0 +245,0 @@ }());

dist-esm/JavaScriptSDK/EnvUtils.js

@@ -20,2 +20,3 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 var strLocation = "location";
+var strConsole = "console";
 var strPerformance = "performance";
@@ -151,2 +152,11 @@ var strJSON = "JSON";
 /**
+ * Returns the global console object
+ */
+export function getConsole() {
+    if (typeof console !== strUndefined) {
+        return console;
+    }
+    return getGlobalInst(strConsole);
+}
+/**
  * Returns the performance object if it is present otherwise null.
@@ -153,0 +163,0 @@ * This helper is used to access the performance object from the current

dist-esm/JavaScriptSDK/InstrumentHooks.js

@@ -10,2 +10,12 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 ];
+/**
+ * Constant string defined to support minimization
+ * @ignore
+ */
+var str__Proto = "__proto__";
+/**
+ * Constant string defined to support minimization
+ * @ignore
+ */
+var strConstructor = "constructor";
 /** @ignore */
@@ -104,2 +114,25 @@ function _arrLoop(arr, fn) {
 }
+/**
+ * Pre-lookup to check if we are running on a modern browser (i.e. not IE8)
+ * @ignore
+ */
+var _objGetPrototypeOf = Object["getPrototypeOf"];
+/**
+ * Helper used to get the prototype of the target object as getPrototypeOf is not available in an ES3 environment.
+ * @ignore
+ */
+function _getObjProto(target) {
+    if (target) {
+        // This method doesn't existing in older browsers (e.g. IE8)
+        if (_objGetPrototypeOf) {
+            return _objGetPrototypeOf(target);
+        }
+        // target[Constructor] May break if the constructor has been changed or removed
+        var newProto = target[str__Proto] || target[strPrototype] || target[strConstructor];
+        if (newProto) {
+            return newProto;
+        }
+    }
+    return null;
+}
 /** @ignore */
@@ -113,3 +146,3 @@ function _getOwner(target, name, checkPrototype) {
         else if (checkPrototype) {
-            owner = _getOwner(target[strPrototype], name, false);
+            owner = _getOwner(_getObjProto(target), name, false);
         }
@@ -154,38 +187,40 @@ }
         var owner = _getOwner(target, funcName, checkPrototype);
-        var fn = owner[funcName];
-        if (typeof fn === strFunction) {
-            var aiHook_1 = fn[aiInstrumentHooks];
-            if (!aiHook_1) {
-                // Only hook the function once
-                aiHook_1 = {
-                    i: 0,
-                    n: funcName,
-                    f: fn,
-                    h: []
+        if (owner) {
+            var fn = owner[funcName];
+            if (typeof fn === strFunction) {
+                var aiHook_1 = fn[aiInstrumentHooks];
+                if (!aiHook_1) {
+                    // Only hook the function once
+                    aiHook_1 = {
+                        i: 0,
+                        n: funcName,
+                        f: fn,
+                        h: []
+                    };
+                    // Override (hook) the original function
+                    var newFunc = _createFunctionHook(aiHook_1);
+                    newFunc[aiInstrumentHooks] = aiHook_1; // Tag and store the function hooks
+                    owner[funcName] = newFunc;
+                }
+                var theHook = {
+                    // tslint:disable:object-literal-shorthand
+                    id: aiHook_1.i,
+                    cbks: callbacks,
+                    rm: function () {
+                        // DO NOT Use () => { shorthand for the function as the this gets replaced
+                        // with the outer this and not the this for theHook instance.
+                        var id = this.id;
+                        _arrLoop(aiHook_1.h, function (hook, idx) {
+                            if (hook.id === id) {
+                                aiHook_1.h.splice(idx, 1);
+                                return 1;
+                            }
+                        });
+                    }
+                    // tslint:enable:object-literal-shorthand
                 };
-                // Override (hook) the original function
-                var newFunc = _createFunctionHook(aiHook_1);
-                newFunc[aiInstrumentHooks] = aiHook_1; // Tag and store the function hooks
-                owner[funcName] = newFunc;
+                aiHook_1.i++;
+                aiHook_1.h.push(theHook);
+                return theHook;
             }
-            var theHook = {
-                // tslint:disable:object-literal-shorthand
-                id: aiHook_1.i,
-                cbks: callbacks,
-                rm: function () {
-                    // DO NOT Use () => { shorthand for the function as the this gets replaced
-                    // with the outer this and not the this for theHook instance.
-                    var id = this.id;
-                    _arrLoop(aiHook_1.h, function (hook, idx) {
-                        if (hook.id === id) {
-                            aiHook_1.h.splice(idx, 1);
-                            return 1;
-                        }
-                    });
-                }
-                // tslint:enable:object-literal-shorthand
-            };
-            aiHook_1.i++;
-            aiHook_1.h.push(theHook);
-            return theHook;
         }
@@ -192,0 +227,0 @@ }

dist-esm/JavaScriptSDK/NotificationManager.js

@@ -1,2 +0,3 @@
-import { CoreUtils } from "./CoreUtils";
+import { CoreUtils, } from "./CoreUtils";
+import dynamicProto from "@microsoft/dynamicproto-js";
 /**
@@ -6,4 +7,90 @@ * Class to manage sending notifications to all the listeners.
 var NotificationManager = /** @class */ (function () {
-    function NotificationManager() {
+    function NotificationManager(config) {
         this.listeners = [];
+        var arrForEach = CoreUtils.arrForEach;
+        var perfEvtsSendAll = !!(config || {}).perfEvtsSendAll;
+        dynamicProto(NotificationManager, this, function (_self) {
+            _self.addNotificationListener = function (listener) {
+                _self.listeners.push(listener);
+            };
+            /**
+             * Removes all instances of the listener.
+             * @param {INotificationListener} listener - AWTNotificationListener to remove.
+             */
+            _self.removeNotificationListener = function (listener) {
+                var index = CoreUtils.arrIndexOf(_self.listeners, listener);
+                while (index > -1) {
+                    _self.listeners.splice(index, 1);
+                    index = CoreUtils.arrIndexOf(_self.listeners, listener);
+                }
+            };
+            /**
+             * Notification for events sent.
+             * @param {ITelemetryItem[]} events - The array of events that have been sent.
+             */
+            _self.eventsSent = function (events) {
+                arrForEach(_self.listeners, function (listener) {
+                    if (listener && listener.eventsSent) {
+                        setTimeout(function () { return listener.eventsSent(events); }, 0);
+                    }
+                });
+            };
+            /**
+             * Notification for events being discarded.
+             * @param {ITelemetryItem[]} events - The array of events that have been discarded by the SDK.
+             * @param {number} reason           - The reason for which the SDK discarded the events. The EventsDiscardedReason
+             * constant should be used to check the different values.
+             */
+            _self.eventsDiscarded = function (events, reason) {
+                arrForEach(_self.listeners, function (listener) {
+                    if (listener && listener.eventsDiscarded) {
+                        setTimeout(function () { return listener.eventsDiscarded(events, reason); }, 0);
+                    }
+                });
+            };
+            /**
+             * [Optional] A function called when the events have been requested to be sent to the sever.
+             * @param {number} sendReason - The reason why the event batch is being sent.
+             * @param {boolean} isAsync   - A flag which identifies whether the requests are being sent in an async or sync manner.
+             */
+            _self.eventsSendRequest = function (sendReason, isAsync) {
+                arrForEach(_self.listeners, function (listener) {
+                    if (listener && listener.eventsSendRequest) {
+                        if (isAsync) {
+                            setTimeout(function () { return listener.eventsSendRequest(sendReason, isAsync); }, 0);
+                        }
+                        else {
+                            try {
+                                listener.eventsSendRequest(sendReason, isAsync);
+                            }
+                            catch (e) {
+                                // Catch errors to ensure we don't block sending the requests
+                            }
+                        }
+                    }
+                });
+            };
+            _self.perfEvent = function (perfEvent) {
+                if (perfEvent) {
+                    // Send all events or only parent events
+                    if (perfEvtsSendAll || !perfEvent.isChildEvt()) {
+                        arrForEach(_self.listeners, function (listener) {
+                            if (listener && listener.perfEvent) {
+                                if (perfEvent.isAsync) {
+                                    setTimeout(function () { return listener.perfEvent(perfEvent); }, 0);
+                                }
+                                else {
+                                    try {
+                                        listener.perfEvent(perfEvent);
+                                    }
+                                    catch (e) {
+                                        // Catch errors to ensure we don't block sending the requests
+                                    }
+                                }
+                            }
+                        });
+                    }
+                }
+            };
+        });
     }
@@ -15,3 +102,3 @@ /**
     NotificationManager.prototype.addNotificationListener = function (listener) {
-        this.listeners.push(listener);
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -23,7 +110,3 @@ /**
     NotificationManager.prototype.removeNotificationListener = function (listener) {
-        var index = CoreUtils.arrIndexOf(this.listeners, listener);
-        while (index > -1) {
-            this.listeners.splice(index, 1);
-            index = CoreUtils.arrIndexOf(this.listeners, listener);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -35,12 +118,3 @@ /**
     NotificationManager.prototype.eventsSent = function (events) {
-        var _this = this;
-        var _loop_1 = function (i) {
-            if (this_1.listeners[i].eventsSent) {
-                setTimeout(function () { return _this.listeners[i].eventsSent(events); }, 0);
-            }
-        };
-        var this_1 = this;
-        for (var i = 0; i < this.listeners.length; ++i) {
-            _loop_1(i);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -54,12 +128,3 @@ /**
     NotificationManager.prototype.eventsDiscarded = function (events, reason) {
-        var _this = this;
-        var _loop_2 = function (i) {
-            if (this_2.listeners[i].eventsDiscarded) {
-                setTimeout(function () { return _this.listeners[i].eventsDiscarded(events, reason); }, 0);
-            }
-        };
-        var this_2 = this;
-        for (var i = 0; i < this.listeners.length; ++i) {
-            _loop_2(i);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -72,22 +137,3 @@ /**
     NotificationManager.prototype.eventsSendRequest = function (sendReason, isAsync) {
-        var _this = this;
-        var _loop_3 = function (i) {
-            if (this_3.listeners[i].eventsSendRequest) {
-                if (isAsync) {
-                    setTimeout(function () { return _this.listeners[i].eventsSendRequest(sendReason, isAsync); }, 0);
-                }
-                else {
-                    try {
-                        this_3.listeners[i].eventsSendRequest(sendReason, isAsync);
-                    }
-                    catch (e) {
-                        // Catch errors to ensure we don't block sending the requests
-                    }
-                }
-            }
-        };
-        var this_3 = this;
-        for (var i = 0; i < this.listeners.length; ++i) {
-            _loop_3(i);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
@@ -94,0 +140,0 @@ return NotificationManager;

dist-esm/JavaScriptSDK/TelemetryPluginChain.js

 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 "use strict";
-import { CoreUtils } from "./CoreUtils";
+import { CoreUtils, doPerf } from "./CoreUtils";
 import { LoggingSeverity, _InternalMessageId } from '../JavaScriptSDK.Enums/LoggingEnums';
@@ -28,37 +28,40 @@ var _isFunction = CoreUtils.isFunction;
             }
-            if (plugin && _hasProcessTelemetry) {
-                _self._hasRun = true;
-                try {
-                    // Ensure that we keep the context in sync (for processNext()), just in case a plugin
-                    // doesn't calls processTelemetry() instead of itemContext.processNext() or some 
-                    // other form of error occurred
-                    itemCtx.setNext(_nextProxy);
-                    if (_hasSetNext) {
-                        // Backward compatibility setting the next plugin on the instance
-                        plugin.setNextPlugin(_nextProxy);
+            var identifier = plugin ? plugin.identifier : "TelemetryPluginChain";
+            doPerf(itemCtx ? itemCtx.core() : null, function () { return identifier + ":processTelemetry"; }, function () {
+                if (plugin && _hasProcessTelemetry) {
+                    _self._hasRun = true;
+                    try {
+                        // Ensure that we keep the context in sync (for processNext()), just in case a plugin
+                        // doesn't calls processTelemetry() instead of itemContext.processNext() or some 
+                        // other form of error occurred
+                        itemCtx.setNext(_nextProxy);
+                        if (_hasSetNext) {
+                            // Backward compatibility setting the next plugin on the instance
+                            plugin.setNextPlugin(_nextProxy);
+                        }
+                        // Set a flag on the next plugin so we know if it was attempted to be executed
+                        _nextProxy && (_nextProxy._hasRun = false);
+                        plugin.processTelemetry(env, itemCtx);
                     }
-                    // Set a flag on the next plugin so we know if it was attempted to be executed
-                    _nextProxy && (_nextProxy._hasRun = false);
-                    plugin.processTelemetry(env, itemCtx);
-                }
-                catch (error) {
-                    var hasRun = _nextProxy && _nextProxy._hasRun;
-                    if (!_nextProxy || !hasRun) {
-                        // Either we have no next plugin or the current one did not attempt to call the next plugin
-                        // Which means the current one is the root of the failure so log/report this failure
-                        itemCtx.diagLog().throwInternal(LoggingSeverity.CRITICAL, _InternalMessageId.PluginException, "Plugin [" + plugin.identifier + "] failed during processTelemetry - " + error);
+                    catch (error) {
+                        var hasRun = _nextProxy && _nextProxy._hasRun;
+                        if (!_nextProxy || !hasRun) {
+                            // Either we have no next plugin or the current one did not attempt to call the next plugin
+                            // Which means the current one is the root of the failure so log/report this failure
+                            itemCtx.diagLog().throwInternal(LoggingSeverity.CRITICAL, _InternalMessageId.PluginException, "Plugin [" + plugin.identifier + "] failed during processTelemetry - " + error);
+                        }
+                        if (_nextProxy && !hasRun) {
+                            // As part of the failure the current plugin did not attempt to call the next plugin in the cahin
+                            // So rather than leave the pipeline dead in the water we call the next plugin
+                            _nextProxy.processTelemetry(env, itemCtx);
+                        }
                     }
-                    if (_nextProxy && !hasRun) {
-                        // As part of the failure the current plugin did not attempt to call the next plugin in the cahin
-                        // So rather than leave the pipeline dead in the water we call the next plugin
-                        _nextProxy.processTelemetry(env, itemCtx);
-                    }
                 }
-            }
-            else if (_nextProxy) {
-                _self._hasRun = true;
-                // The underlying plugin is either not defined or does not have a processTelemetry implementation
-                // so we still want the next plugin to be executed.
-                _nextProxy.processTelemetry(env, itemCtx);
-            }
+                else if (_nextProxy) {
+                    _self._hasRun = true;
+                    // The underlying plugin is either not defined or does not have a processTelemetry implementation
+                    // so we still want the next plugin to be executed.
+                    _nextProxy.processTelemetry(env, itemCtx);
+                }
+            }, function () { return ({ item: env }); }, !(env.sync));
         };
@@ -65,0 +68,0 @@ }

dist/applicationinsights-core-js.min.js

 /*!
- * Application Insights JavaScript SDK - Core, 2.5.6
+ * Application Insights JavaScript SDK - Core, 2.5.7
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e.Microsoft=e.Microsoft||{},e.Microsoft.ApplicationInsights=e.Microsoft.ApplicationInsights||{}))}(this,function(c){"use strict";var r="function",o="object",t="undefined",a="prototype",s="hasOwnProperty";function e(){return typeof globalThis!==t&&globalThis?globalThis:typeof self!==t&&self?self:typeof window!==t&&window?window:typeof global!==t&&global?global:null}function i(e){var t=Object.create;if(t)return t(e);if(null==e)return{};var n=typeof e;if(n!=o&&n!=r)throw new TypeError("Object prototype may only be an Object:"+e);function i(){}return i[a]=e,new i}var l=function(e,t){return(l=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t[s](n)&&(e[n]=t[n])})(e,t)},n=e()||{};__assign=n.__assign=n.__assign||Object.assign||function(e){for(var t,n=1,i=arguments.length;n<i;n++)for(var r 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e=I();return!(!e||!e.product)&&"ReactNative"===e.product},l.getConsole=b,l.strUndefined=f,l.strObject=g,l.strPrototype=d,l.strFunction=v,l.NotificationManager=Ye,l.PerfEvent=$,l.PerfManager=Y,l.DiagnosticLogger=Ie,l._InternalLogMessage=we,l.ProcessTelemetryContext=Fe,l.initializePlugins=Ue,l.sortPlugins=ze,l._InternalMessageId=me,l.InstrumentProto=function(e,n,t){return e?cn(e[d],n,t,!1):null},l.InstrumentProtos=function(e,n,t){return e?ln(e[d],n,t,!1):null},l.InstrumentFunc=cn,l.InstrumentFuncs=ln,function(e,n,t){var r=Object.defineProperty;if(r)try{return r(e,n,t)}catch(i){}typeof t.value!==undefined&&(e[n]=t.value)}(l,"__esModule",{value:!0})});
 //# sourceMappingURL=applicationinsights-core-js.min.js.map

package.json

 {
     "name": "@microsoft/applicationinsights-core-js",
     "author": "Microsoft Corporation",
-    "version": "2.5.6",
+    "version": "2.5.7",
     "description": "Microsoft Application Insights Core Javascript SDK",
@@ -36,3 +36,3 @@ "keywords": [
         "grunt-contrib-clean": "^1.1.0",
-        "grunt-contrib-qunit": "2.0.0",
+        "grunt-contrib-qunit": "^3.1.0",
         "grunt-ts": "^6.0.0-beta.15",
@@ -51,4 +51,4 @@ "grunt-tslint": "^5.0.2",
         "@microsoft/applicationinsights-shims" : "1.0.1",
-        "@microsoft/dynamicproto-js": "^0.5.2"
+        "@microsoft/dynamicproto-js": "^1.0.0"
     }
 }

src/JavaScriptSDK.Enums/SendRequestReason.ts

@@ -38,2 +38,7 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
     /**
+     * The event(s) being sent as a retry
+     */
+    Retry = 5,
+    
+    /**
      * Maximum batch size would be exceeded
@@ -40,0 +45,0 @@ */

src/JavaScriptSDK.Interfaces/IAppInsightsCore.ts

@@ -7,9 +7,11 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { IConfiguration } from "./IConfiguration";
+import { INotificationManager } from "./INotificationManager";
 import { INotificationListener } from "./INotificationListener";
 import { IDiagnosticLogger } from './IDiagnosticLogger';
 import { IProcessTelemetryContext } from './IProcessTelemetryContext';
+import { IPerfManagerProvider } from "./IPerfManager";
 
 "use strict";
 
-export interface IAppInsightsCore {
+export interface IAppInsightsCore extends IPerfManagerProvider {
 
@@ -44,2 +46,7 @@ /*
     /**
+     * Get the current notification manager
+     */
+    getNotifyMgr(): INotificationManager;
+
+    /**
      * Adds a notification listener. The SDK calls methods on the listener when an appropriate notification is raised.
@@ -46,0 +53,0 @@ * The added plugins must raise notifications. If the plugins do not implement the notifications, then no methods will be

src/JavaScriptSDK.Interfaces/IConfiguration.ts

@@ -83,2 +83,17 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
     channels?: IChannelControls[][];
+
+    /**
+     * [Optional] When enabled this will create local perfEvents based on sections of the code that have been instrumented
+     * to emit perfEvents (via the doPerf()) when this is enabled. This can be used to identify performance issues within
+     * the SDK, the way you are using it or optionally your own instrumented code.
+     * The provided IPerfManager implementation does NOT send any additional telemetry events to the server it will only fire
+     * the new perfEvent() on the INotificationManager which you can listen to.
+     * This also does not use the window.performance API, so it will work in environments where this API is not supported.
+     */
+    enablePerfMgr?: boolean;
+
+    /**
+     * [Optional] Fire every single performance event not just the top level root performance event. Defaults to false.
+     */
+    perfEvtsSendAll?: boolean;
 }

src/JavaScriptSDK.Interfaces/INotificationListener.ts

@@ -6,2 +6,3 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { ITelemetryItem } from "./ITelemetryItem";
+import { IPerfEvent } from "./IPerfEvent";
 
@@ -32,2 +33,9 @@ /**
     eventsSendRequest?: (sendReason: number, isAsync?: boolean) => void;
+
+    /**
+     * [Optional] This event is sent if you have enabled perf events, they are primarily used to track internal performance testing and debugging
+     * the event can be displayed via the debug plugin extension.
+     * @param perfEvent 
+     */
+    perfEvent?: (perfEvent: IPerfEvent) => void;
 }

src/JavaScriptSDK.Interfaces/INotificationManager.ts

@@ -5,3 +5,3 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { INotificationListener } from "../JavaScriptSDK.Interfaces/INotificationListener";
-import { SendRequestReason } from "../JavaScriptSDK.Enums/SendRequestReason";
+import { IPerfEvent } from "./IPerfEvent";
 
@@ -46,2 +46,9 @@ /**
     eventsSendRequest?(sendReason: number, isAsync: boolean): void;
+
+    /**
+     * [Optional] This event is sent if you have enabled perf events, they are primarily used to track internal performance testing and debugging
+     * the event can be displayed via the debug plugin extension.
+     * @param perfEvent 
+     */
+    perfEvent?(perfEvent: IPerfEvent): void;
 }

src/JavaScriptSDK/AppInsightsCore.ts

@@ -7,3 +7,2 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { IPlugin } from "../JavaScriptSDK.Interfaces/ITelemetryPlugin";
-import { IChannelControls } from "../JavaScriptSDK.Interfaces/IChannelControls";
 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
@@ -13,5 +12,7 @@ import { INotificationListener } from "../JavaScriptSDK.Interfaces/INotificationListener";
 import { NotificationManager } from "./NotificationManager";
-import { CoreUtils } from "./CoreUtils";
+import { CoreUtils, doPerf } from "./CoreUtils";
+import { INotificationManager } from '../JavaScriptSDK.Interfaces/INotificationManager';
 import { IDiagnosticLogger } from "../JavaScriptSDK.Interfaces/IDiagnosticLogger";
 import { _InternalLogMessage, DiagnosticLogger } from "./DiagnosticLogger";
+import dynamicProto from '@microsoft/dynamicproto-js';
 
@@ -21,35 +22,99 @@ "use strict";
 export class AppInsightsCore extends BaseCore implements IAppInsightsCore {
-    public config: IConfiguration;
-    public logger: IDiagnosticLogger;
-
-    protected _notificationManager: NotificationManager;
-
     constructor() {
         super();
-    }
 
-    initialize(config: IConfiguration, extensions: IPlugin[]): void {
-        let _self = this;
-        _self._notificationManager = new NotificationManager();
-        _self.logger = new DiagnosticLogger(config);
-        _self.config = config;
+        dynamicProto(AppInsightsCore, this, (_self, _base) => {
+
+            _self.initialize = (config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void => {
+                _base.initialize(config, extensions, logger || new DiagnosticLogger(config), notificationManager || new NotificationManager(config));
+            };
         
-        super.initialize(config, extensions, _self.logger, _self._notificationManager);
+            _self.track = (telemetryItem: ITelemetryItem) => {
+                doPerf(_self.getPerfMgr(), () => "AppInsightsCore:track", () => {
+                    if (telemetryItem === null) {
+                        _notifyInvalidEvent(telemetryItem);
+                        // throw error
+                        throw Error("Invalid telemetry item");
+                    }
+                    
+                    // do basic validation before sending it through the pipeline
+                    _validateTelemetryItem(telemetryItem);
+            
+                    _base.track(telemetryItem);
+                }, () => ({ item: telemetryItem }), !((telemetryItem as any).sync));
+            };
+        
+            /**
+             * Adds a notification listener. The SDK calls methods on the listener when an appropriate notification is raised.
+             * The added plugins must raise notifications. If the plugins do not implement the notifications, then no methods will be
+             * called.
+             * @param {INotificationListener} listener - An INotificationListener object.
+             */
+            _self.addNotificationListener = (listener: INotificationListener): void => {
+                let manager = _self.getNotifyMgr();
+                if (manager) {
+                    manager.addNotificationListener(listener);
+                }
+            };
+        
+            /**
+             * Removes all instances of the listener.
+             * @param {INotificationListener} listener - INotificationListener to remove.
+             */
+            _self.removeNotificationListener = (listener: INotificationListener): void => {
+                let manager = _self.getNotifyMgr();
+                if (manager) {
+                    manager.removeNotificationListener(listener);
+                }
+            }
+        
+            /**
+             * Periodically check logger.queue for
+             */
+            _self.pollInternalLogs = (eventName?: string): number => {
+                let interval = _self.config.diagnosticLogInterval;
+                if (!interval || !(interval > 0)) {
+                    interval = 10000;
+                }
+        
+                return setInterval(() => {
+                    const queue: _InternalLogMessage[] = _self.logger ? _self.logger.queue : [];
+        
+                    CoreUtils.arrForEach(queue, (logMessage: _InternalLogMessage) => {
+                        const item: ITelemetryItem = {
+                            name: eventName ? eventName : "InternalMessageId: " + logMessage.messageId,
+                            iKey: _self.config.instrumentationKey,
+                            time: CoreUtils.toISOString(new Date()),
+                            baseType: _InternalLogMessage.dataType,
+                            baseData: { message: logMessage.message }
+                        };
+        
+                        _self.track(item);
+                    });
+                    queue.length = 0;
+                }, interval) as any;
+            }
+        
+            function _validateTelemetryItem(telemetryItem: ITelemetryItem) {
+                if (CoreUtils.isNullOrUndefined(telemetryItem.name)) {
+                    _notifyInvalidEvent(telemetryItem);
+                    throw Error("telemetry name required");
+                }
+            }
+        
+            function _notifyInvalidEvent(telemetryItem: ITelemetryItem): void {
+                let manager = _self.getNotifyMgr();
+                if (manager) {
+                    manager.eventsDiscarded([telemetryItem], EventsDiscardedReason.InvalidEvent);
+                }
+            }
+        });
     }
 
-    getTransmissionControls(): IChannelControls[][] {
-        return super.getTransmissionControls();
+    public initialize(config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
 
-    track(telemetryItem: ITelemetryItem) {
-        if (telemetryItem === null) {
-            this._notifyInvalidEvent(telemetryItem);
-            // throw error
-            throw Error("Invalid telemetry item");
-        }
-        
-        // do basic validation before sending it through the pipeline
-        this._validateTelemetryItem(telemetryItem);
-
-        super.track(telemetryItem);
+    public track(telemetryItem: ITelemetryItem) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -63,6 +128,4 @@
      */
-    addNotificationListener(listener: INotificationListener): void {
-        if (this._notificationManager) {
-            this._notificationManager.addNotificationListener(listener);
-        }
+    public addNotificationListener(listener: INotificationListener): void {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -74,6 +137,4 @@
      */
-    removeNotificationListener(listener: INotificationListener): void {
-        if (this._notificationManager) {
-            this._notificationManager.removeNotificationListener(listener);
-        }
+    public removeNotificationListener(listener: INotificationListener): void {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -84,40 +145,6 @@
      */
-    pollInternalLogs(eventName?: string): number {
-        let interval = this.config.diagnosticLogInterval;
-        if (!interval || !(interval > 0)) {
-            interval = 10000;
-        }
-
-        return setInterval(() => {
-            let _self = this;
-            const queue: _InternalLogMessage[] = _self.logger ? _self.logger.queue : [];
-
-            CoreUtils.arrForEach(queue, (logMessage: _InternalLogMessage) => {
-                const item: ITelemetryItem = {
-                    name: eventName ? eventName : "InternalMessageId: " + logMessage.messageId,
-                    iKey: _self.config.instrumentationKey,
-                    time: CoreUtils.toISOString(new Date()),
-                    baseType: _InternalLogMessage.dataType,
-                    baseData: { message: logMessage.message }
-                };
-
-                _self.track(item);
-            });
-            queue.length = 0;
-        }, interval) as any;
+    public pollInternalLogs(eventName?: string): number {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 0;
     }
-
-    private _validateTelemetryItem(telemetryItem: ITelemetryItem) {
-
-        if (CoreUtils.isNullOrUndefined(telemetryItem.name)) {
-            this._notifyInvalidEvent(telemetryItem);
-            throw Error("telemetry name required");
-        }
-    }
-
-    private _notifyInvalidEvent(telemetryItem: ITelemetryItem): void {
-        if (this._notificationManager) {
-            this._notificationManager.eventsDiscarded([telemetryItem], EventsDiscardedReason.InvalidEvent);
-        }
-    }
 }

src/JavaScriptSDK/BaseCore.ts

@@ -19,3 +19,5 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { _InternalMessageId, LoggingSeverity } from "../JavaScriptSDK.Enums/LoggingEnums";
-import { SendRequestReason } from "../JavaScriptSDK.Enums/SendRequestReason";
+import dynamicProto from '@microsoft/dynamicproto-js';
+import { IPerfManager } from "../JavaScriptSDK.Interfaces/IPerfManager";
+import { PerfManager } from "./PerfManager";
 
@@ -26,2 +28,3 @@ const validationError = "Extensions must provide callback to initialize";
 const _isNullOrUndefined = CoreUtils.isNullOrUndefined;
+const strNotificationManager = "_notificationManager";
 
@@ -35,175 +38,244 @@ export class BaseCore implements IAppInsightsCore {
     public isInitialized: () => boolean;
-    protected _notificationManager: INotificationManager;
-    private _eventQueue: ITelemetryItem[];
-    private _channelController: ChannelController;
-    private _setInit: (value: boolean) => void;
 
     constructor() {
         let _isInitialized = false;
-        let _this = this;
-        _this._extensions = new Array<IPlugin>();
-        _this._channelController = new ChannelController();
-        _this.isInitialized = () => _isInitialized;
-        _this._setInit = (value: boolean) => { _isInitialized = value; }
-        _this._eventQueue = [];
-    }
+        let _eventQueue: ITelemetryItem[];
+        let _channelController: ChannelController;
+        let _notificationManager: INotificationManager;
+        let _perfManager: IPerfManager;
+    
+        dynamicProto(BaseCore, this, (_self) => {
+            _self._extensions = new Array<IPlugin>();
+            _channelController = new ChannelController();
+            
+            _eventQueue = [];
+            _self.isInitialized = () => _isInitialized;
 
-    initialize(config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void {
-        let _this = this;
+            _self.initialize = (config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void => {
+                // Make sure core is only initialized once
+                if (_self.isInitialized()) {
+                    throw Error("Core should not be initialized more than once");
+                }
+        
+                if (!config || _isNullOrUndefined(config.instrumentationKey)) {
+                    throw Error("Please provide instrumentation key");
+                }
+        
+                _notificationManager = notificationManager;
 
-        // Make sure core is only initialized once
-        if (_this.isInitialized()) {
-            throw Error("Core should not be initialized more than once");
-        }
+                // For backward compatibility only
+                _self[strNotificationManager] = notificationManager;
+               
+                _self.config = config || {};
+        
+                config.extensions = _isNullOrUndefined(config.extensions) ? [] : config.extensions;
+        
+                // add notification to the extensions in the config so other plugins can access it
+                let extConfig = config.extensionConfig = _isNullOrUndefined(config.extensionConfig) ? {} : config.extensionConfig;
+                extConfig.NotificationManager = notificationManager;
 
-        if (!config || _isNullOrUndefined(config.instrumentationKey)) {
-            throw Error("Please provide instrumentation key");
-        }
+                if (!logger) {
+                    logger = CoreUtils.objCreate({
+                        throwInternal: (severity: LoggingSeverity, msgId: _InternalMessageId, msg: string, properties?: Object, isUserAct = false) => { },
+                        warnToConsole: (message: string) => { },
+                        resetInternalMessageCount: () => { }
+                    });
+                }
 
-        _this.config = config;
-        let channelController = _this._channelController;
+                _self.logger = logger;
+        
+                // Concat all available extensions
+                let allExtensions = [];
+                allExtensions.push(...extensions, ...config.extensions);
+                allExtensions = sortPlugins(allExtensions);
+        
+                let coreExtensions: any[] = [];
+                let channelExtensions: any[] = [];
+        
+                // Check if any two extensions have the same priority, then warn to console
+                // And extract the local extensions from the 
+                const extPriorities = {};
+        
+                // Extension validation
+                _arrForEach(allExtensions, (ext: ITelemetryPlugin) => {
+                    if (_isNullOrUndefined(ext) || _isNullOrUndefined(ext.initialize)) {
+                        throw Error(validationError);
+                    }
+        
+                    const extPriority = ext.priority;
+                    const identifier = ext.identifier;
+        
+                    if (ext && extPriority) {
+                        if (!_isNullOrUndefined(extPriorities[extPriority])) {
+                            logger.warnToConsole("Two extensions have same priority #" + extPriority + " - " + extPriorities[extPriority] + ", " + identifier);
+                        } else {
+                            // set a value
+                            extPriorities[extPriority] = identifier;
+                        }
+                    }
+        
+                    // Split extensions to core and channelController
+                    if (!extPriority || extPriority < _channelController.priority) {
+                        // Add to core extension that will be managed by BaseCore
+                        coreExtensions.push(ext);
+                    } else {
+                        // Add all other extensions to be managed by the channel controller
+                        channelExtensions.push(ext);
+                    }
+                });
+                // Validation complete
+        
+                // Add the channelController to the complete extension collection and
+                // to the end of the core extensions
+                allExtensions.push(_channelController);
+                coreExtensions.push(_channelController);
+        
+                // Sort the complete set of extensions by priority
+                allExtensions = sortPlugins(allExtensions);
+                _self._extensions = allExtensions;
+        
+                // initialize channel controller first, this will initialize all channel plugins
+                initializePlugins(new ProcessTelemetryContext([_channelController], config, _self), allExtensions);
+                initializePlugins(new ProcessTelemetryContext(coreExtensions, config, _self), allExtensions);
+        
+                // Now reset the extensions to just those being managed by Basecore
+                _self._extensions = coreExtensions;
+        
+                if (_self.getTransmissionControls().length === 0) {
+                    throw new Error("No channels available");
+                }
+        
+                _isInitialized = true;
+                _self.releaseQueue();
+            };
+        
+            _self.getTransmissionControls = (): IChannelControls[][] => {
+                return _channelController.getChannelControls();
+            };
+        
+            _self.track = (telemetryItem: ITelemetryItem) => {
+                if (!telemetryItem.iKey) {
+                    // setup default iKey if not passed in
+                    telemetryItem.iKey = _self.config.instrumentationKey;
+                }
+                if (!telemetryItem.time) {
+                    // add default timestamp if not passed in
+                    telemetryItem.time = CoreUtils.toISOString(new Date());
+                }
+                if (_isNullOrUndefined(telemetryItem.ver)) {
+                    // CommonSchema 4.0
+                    telemetryItem.ver = "4.0";
+                }
+        
+                if (_self.isInitialized()) {
+                    // Process the telemetry plugin chain
+                    _self.getProcessTelContext().processNext(telemetryItem);
+                } else {
+                    // Queue events until all extensions are initialized
+                    _eventQueue.push(telemetryItem);
+                }
+            };
+        
+            _self.getProcessTelContext = (): IProcessTelemetryContext => {
+                let extensions = _self._extensions;
+                let thePlugins: IPlugin[] = extensions;
+        
+                // invoke any common telemetry processors before sending through pipeline
+                if (!extensions || extensions.length === 0) {
+                    // Pass to Channel controller so data is sent to correct channel queues
+                    thePlugins = [_channelController];
+                }
+        
+                return new ProcessTelemetryContext(thePlugins, _self.config, _self);
+            };
 
-        if (!notificationManager) {
-            // Create Dummy notification manager
-            notificationManager = CoreUtils.objCreate({
-                addNotificationListener: (listener: INotificationListener) => { },
-                removeNotificationListener: (listener: INotificationListener) => { },
-                eventsSent: (events: ITelemetryItem[]) => { },
-                eventsDiscarded: (events: ITelemetryItem[], reason: number) => { },
-                eventsSendRequest: (sendReason: number, isAsync: boolean) => { }
-            });
-        }
+            _self.getNotifyMgr = (): INotificationManager => {
+                if (!_notificationManager) {
+                    // Create Dummy notification manager
+                    _notificationManager = CoreUtils.objCreate({
+                        addNotificationListener: (listener: INotificationListener) => { },
+                        removeNotificationListener: (listener: INotificationListener) => { },
+                        eventsSent: (events: ITelemetryItem[]) => { },
+                        eventsDiscarded: (events: ITelemetryItem[], reason: number) => { },
+                        eventsSendRequest: (sendReason: number, isAsync: boolean) => { }
+                    });
 
-        _this._notificationManager = notificationManager as INotificationManager;
-        config.extensions = _isNullOrUndefined(config.extensions) ? [] : config.extensions;
+                    // For backward compatibility only
+                    _self[strNotificationManager] = _notificationManager;
+                }
 
-        // add notification to the extensions in the config so other plugins can access it
-        let extConfig = config.extensionConfig = _isNullOrUndefined(config.extensionConfig) ? {} : config.extensionConfig;
-        extConfig.NotificationManager = notificationManager;
+                return _notificationManager;
+            };
+        
+            _self.getPerfMgr = (): IPerfManager => {
+                if (!_perfManager) {
+                    if (_self.config &&  _self.config.enablePerfMgr) {
+                        _perfManager = new PerfManager(_self.getNotifyMgr());
+                    }
+                }
 
-        if (!logger) {
-            logger = CoreUtils.objCreate({
-                throwInternal: (severity: LoggingSeverity, msgId: _InternalMessageId, msg: string, properties?: Object, isUserAct = false) => { },
-                warnToConsole: (message: string) => { },
-                resetInternalMessageCount: () => { }
-            });
-        }
-        _this.logger = logger;
+                return _perfManager;
+            };
 
-        // Concat all available extensions
-        let allExtensions = [];
-        allExtensions.push(...extensions, ...config.extensions);
-        allExtensions = sortPlugins(allExtensions);
+            _self.setPerfMgr = (perfMgr: IPerfManager) => {
+                _perfManager = perfMgr;
+            };
 
-        let coreExtensions: any[] = [];
-        let channelExtensions: any[] = [];
+            _self.eventCnt = (): number => {
+                return _eventQueue.length;
+            };
 
-        // Check if any two extensions have the same priority, then warn to console
-        // And extract the local extensions from the 
-        const extPriorities = {};
+            _self.releaseQueue = () => {
+                if (_eventQueue.length > 0) {
+                    _arrForEach(_eventQueue, (event: ITelemetryItem) => {
+                        _self.getProcessTelContext().processNext(event);
+                    });
 
-        // Extension validation
-        _arrForEach(allExtensions, (ext: ITelemetryPlugin) => {
-            if (_isNullOrUndefined(ext) || _isNullOrUndefined(ext.initialize)) {
-                throw Error(validationError);
-            }
-
-            const extPriority = ext.priority;
-            const identifier = ext.identifier;
-
-            if (ext && extPriority) {
-                if (!_isNullOrUndefined(extPriorities[extPriority])) {
-                    logger.warnToConsole("Two extensions have same priority #" + extPriority + " - " + extPriorities[extPriority] + ", " + identifier);
-                } else {
-                    // set a value
-                    extPriorities[extPriority] = identifier;
+                    _eventQueue = [];
                 }
-            }
-
-            // Split extensions to core and channelController
-            if (!extPriority || extPriority < channelController.priority) {
-                // Add to core extension that will be managed by BaseCore
-                coreExtensions.push(ext);
-            } else {
-                // Add all other extensions to be managed by the channel controller
-                channelExtensions.push(ext);
-            }
+            };
         });
-        // Validation complete
+    }
 
-        // Add the channelController to the complete extension collection and
-        // to the end of the core extensions
-        allExtensions.push(channelController);
-        coreExtensions.push(channelController);
+    public initialize(config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+    }
 
-        // Sort the complete set of extensions by priority
-        allExtensions = sortPlugins(allExtensions);
-        _this._extensions = allExtensions;
+    public getTransmissionControls(): IChannelControls[][] {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
+    }
 
-        // initialize channel controller first, this will initialize all channel plugins
-        initializePlugins(new ProcessTelemetryContext([channelController], config, _this), allExtensions);
-        initializePlugins(new ProcessTelemetryContext(coreExtensions, config, _this), allExtensions);
+    public track(telemetryItem: ITelemetryItem) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+    }
 
-        // Now reset the extensions to just those being managed by Basecore
-        _this._extensions = coreExtensions;
+    public getProcessTelContext(): IProcessTelemetryContext {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
+    }
 
-        if (_this.getTransmissionControls().length === 0) {
-            throw new Error("No channels available");
-        }
-
-        _this._setInit(true);
-        _this.releaseQueue();
+    public getNotifyMgr(): INotificationManager {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
     }
 
-    getTransmissionControls(): IChannelControls[][] {
-        return this._channelController.getChannelControls();
+    public getPerfMgr(): IPerfManager {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
     }
 
-    track(telemetryItem: ITelemetryItem) {
-        let _this = this;
-        if (!telemetryItem.iKey) {
-            // setup default iKey if not passed in
-            telemetryItem.iKey = _this.config.instrumentationKey;
-        }
-        if (!telemetryItem.time) {
-            // add default timestamp if not passed in
-            telemetryItem.time = CoreUtils.toISOString(new Date());
-        }
-        if (_isNullOrUndefined(telemetryItem.ver)) {
-            // CommonSchema 4.0
-            telemetryItem.ver = "4.0";
-        }
-
-        if (_this.isInitialized()) {
-            // Process the telemetry plugin chain
-            _this.getProcessTelContext().processNext(telemetryItem);
-        } else {
-            // Queue events until all extensions are initialized
-            _this._eventQueue.push(telemetryItem);
-        }
+    public setPerfMgr(perfMgr: IPerfManager) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
 
-    getProcessTelContext(): IProcessTelemetryContext {
-        let _this = this;
-        let extensions = _this._extensions;
-        let thePlugins: IPlugin[] = extensions;
-
-        // invoke any common telemetry processors before sending through pipeline
-        if (!extensions || extensions.length === 0) {
-            // Pass to Channel controller so data is sent to correct channel queues
-            thePlugins = [_this._channelController];
-        }
-
-        return new ProcessTelemetryContext(thePlugins, _this.config, _this);
+    public eventCnt(): number {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 0;
     }
 
     protected releaseQueue() {
-        let _this = this;
-        if (_this._eventQueue.length > 0) {
-            _arrForEach(_this._eventQueue, (event: ITelemetryItem) => {
-                _this.getProcessTelContext().processNext(event);
-            });
-            _this._eventQueue = [];
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
+
 }

src/JavaScriptSDK/ChannelController.ts

@@ -8,3 +8,4 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { IChannelControls } from "../JavaScriptSDK.Interfaces/IChannelControls";
-import { IPlugin, ITelemetryPlugin } from "../JavaScriptSDK.Interfaces/ITelemetryPlugin";
+import { IPlugin, ITelemetryPlugin,  } from "../JavaScriptSDK.Interfaces/ITelemetryPlugin";
+import { ITelemetryPluginChain } from "../JavaScriptSDK.Interfaces/ITelemetryPluginChain";
 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
@@ -17,2 +18,3 @@ import { IProcessTelemetryContext } from "../JavaScriptSDK.Interfaces/IProcessTelemetryContext";
 import { initializePlugins } from './TelemetryHelpers';
+import dynamicProto from '@microsoft/dynamicproto-js';
 
@@ -22,92 +24,110 @@ const ChannelControllerPriority = 500;
 
-let _arrForEach = CoreUtils.arrForEach;
 let _objDefineAccessors = CoreUtils.objDefineAccessors;
 
-function _checkQueuePriority(queue:IChannelControls[]) {
-    _arrForEach(queue, queueItem => {
-        if (queueItem.priority < ChannelControllerPriority) {
-            throw Error(ChannelValidationMessage + queueItem.identifier);
-        }
-    });
-}
+export class ChannelController extends BaseTelemetryPlugin {
 
-function _addChannelQueue(channelQueues:IChannelControls[][], queue:IChannelControls[]) {
-    if (queue && queue.length > 0) {
-        queue = queue.sort((a, b) => { // sort based on priority within each queue
-            return a.priority - b.priority;
-        });
+    identifier: string = "ChannelControllerPlugin";
+    priority: number = ChannelControllerPriority; // in reserved range 100 to 200
 
-        _checkQueuePriority(queue);
-        channelQueues.push(queue);
-    }
-}
+    public setNextPlugin: (next: ITelemetryPlugin | ITelemetryPluginChain) => void;
 
-function _createChannelQueues(channels:IChannelControls[][], extensions: IPlugin[]) {
-    let channelQueues:IChannelControls[][] = [];
+    constructor() {
+        super();
+        let _arrForEach = CoreUtils.arrForEach;
+        let _channelQueue: IChannelControls[][];
 
-    if (channels) {
-        // Add and sort the configuration channel queues
-        _arrForEach(channels, queue => _addChannelQueue(channelQueues, queue));
-    }
+        dynamicProto(ChannelController, this, (_self, _base) => {
+            _self.setNextPlugin = (next: ITelemetryPlugin | ITelemetryPluginChain) => {
+                // The Channel controller is last in pipeline
+            };
 
-    if (extensions) {
-        // Create a new channel queue for any extensions with a priority > the ChannelControllerPriority
-        let extensionQueue:IChannelControls[] = [];
-        _arrForEach(extensions as IChannelControls[], plugin => {
-            if (plugin.priority > ChannelControllerPriority) {
-                extensionQueue.push(plugin);
+            _self.processTelemetry = (item: ITelemetryItem, itemCtx: IProcessTelemetryContext) => {
+                if (_channelQueue) {
+                    _arrForEach(_channelQueue, queues => {
+                        // pass on to first item in queue
+                        if (queues.length > 0) {
+                            // Copying the item context as we could have mutiple chains that are executing asynchronously
+                            // and calling _getDefTelCtx as it's possible that the caller doesn't pass any context
+                            let chainCtx = this._getTelCtx(itemCtx).createNew(queues); 
+                            chainCtx.processNext(item);
+                        }
+                    });
+                }
+            };
+        
+            _self.getChannelControls = (): IChannelControls[][] => {
+                return _channelQueue;
+            };
+                
+            _self.initialize = (config: IConfiguration, core: IAppInsightsCore, extensions: IPlugin[]) => {
+                if (_self.isInitialized()) {
+                    // already initialized
+                    return;
+                }
+        
+                _base.initialize(config, core, extensions);
+        
+                if ((config as any).isCookieUseDisabled) {
+                    CoreUtils.disableCookies();
+                }
+                
+                _createChannelQueues((config||{}).channels, extensions);
+        
+                // Initialize the Queues
+                _arrForEach(_channelQueue, queue => initializePlugins(new ProcessTelemetryContext(queue, config, core), extensions));
             }
         });
-    
-        _addChannelQueue(channelQueues, extensionQueue);
-    }
 
-    return channelQueues;
-}
-
-export class ChannelController extends BaseTelemetryPlugin {
-
-    identifier: string = "ChannelControllerPlugin";
-
-    setNextPlugin: (next: ITelemetryPlugin) => {}; // channel controller is last in pipeline
-
-    priority: number = ChannelControllerPriority; // in reserved range 100 to 200
-
-    private _channelQueue: IChannelControls[][];
-
-    public processTelemetry(item: ITelemetryItem, itemCtx: IProcessTelemetryContext) {
-        if (this._channelQueue) {
-            _arrForEach(this._channelQueue, queues => {
-                // pass on to first item in queue
-                if (queues.length > 0) {
-                    // Copying the item context as we could have mutiple chains that are executing asynchronously
-                    // and calling _getDefTelCtx as it's possible that the caller doesn't pass any context
-                    let chainCtx = this._getTelCtx(itemCtx).createNew(queues); 
-                    chainCtx.processNext(item);
+        function _checkQueuePriority(queue:IChannelControls[]) {
+            _arrForEach(queue, queueItem => {
+                if (queueItem.priority < ChannelControllerPriority) {
+                    throw Error(ChannelValidationMessage + queueItem.identifier);
                 }
             });
         }
+        
+        function _addChannelQueue(queue:IChannelControls[]) {
+            if (queue && queue.length > 0) {
+                queue = queue.sort((a, b) => { // sort based on priority within each queue
+                    return a.priority - b.priority;
+                });
+        
+                _checkQueuePriority(queue);
+                _channelQueue.push(queue);
+            }
+        }
+        
+        function _createChannelQueues(channels:IChannelControls[][], extensions: IPlugin[]) {
+            _channelQueue = [];
+        
+            if (channels) {
+                // Add and sort the configuration channel queues
+                _arrForEach(channels, queue => _addChannelQueue(queue));
+            }
+        
+            if (extensions) {
+                // Create a new channel queue for any extensions with a priority > the ChannelControllerPriority
+                let extensionQueue:IChannelControls[] = [];
+                _arrForEach(extensions as IChannelControls[], plugin => {
+                    if (plugin.priority > ChannelControllerPriority) {
+                        extensionQueue.push(plugin);
+                    }
+                });
+            
+                _addChannelQueue(extensionQueue);
+            }
+        }
+    }
+
+    public processTelemetry(item: ITelemetryItem, itemCtx: IProcessTelemetryContext) {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     };
 
     public getChannelControls(): IChannelControls[][] {
-        return this._channelQueue;
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return null;
     }
 
     public initialize(config: IConfiguration, core: IAppInsightsCore, extensions: IPlugin[]) {
-        let _self = this;
-        if (_self.isInitialized()) {
-            // already initialized
-            return;
-        }
-
-        super.initialize(config, core, extensions);
-
-        if ((config as any).isCookieUseDisabled) {
-            CoreUtils.disableCookies();
-        }
-        
-        let channelQueue = _self._channelQueue = _createChannelQueues((config||{}).channels, extensions);
-
-        // Initialize the Queues
-        _arrForEach(channelQueue, queue => initializePlugins(new ProcessTelemetryContext(queue, config, core), extensions));
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -114,0 +134,0 @@

src/JavaScriptSDK/CoreUtils.ts

@@ -6,2 +6,6 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { getWindow, getDocument, getGlobalInst, getCrypto }  from './EnvUtils';
+import { ITelemetryItem } from '../JavaScriptSDK.Interfaces/ITelemetryItem';
+import { IPerfEvent } from '../JavaScriptSDK.Interfaces/IPerfEvent';
+import { IPerfManager, IPerfManagerProvider } from '../JavaScriptSDK.Interfaces/IPerfManager';
+import { PerfEvent } from '../JavaScriptSDK/PerfManager';
 
@@ -36,3 +40,3 @@ // Added to help with minfication
 
-function _isFunction(value: any): boolean {
+function _isFunction(value: any): value is Function {
     return _isTypeof(value, strShimFunction);
@@ -124,3 +128,3 @@ };
      */
-    public static isFunction: (value: any) => boolean = _isFunction;
+    public static isFunction: (value: any) => value is Function = _isFunction;
 
@@ -137,3 +141,3 @@ /**
      */
-    public static isDate(obj: any): boolean {
+    public static isDate(obj: any): obj is Date {
         return Object[strShimPrototype].toString.call(obj) === "[object Date]";
@@ -143,2 +147,16 @@ }
     /**
+     * Check if an object is of type Array
+     */
+    public static isArray(obj: any): boolean {
+        return Object[strShimPrototype].toString.call(obj) === "[object Array]";
+    }
+
+    /**
+     * Check if an object is of type Error
+     */
+    public static isError(obj: any): boolean {
+        return Object[strShimPrototype].toString.call(obj) === "[object Error]";
+    }
+
+    /**
      * Checks if the type of value is a string.
@@ -148,3 +166,3 @@ * @param {any} value - Value to be checked.
      */
-    public static isString(value: any): boolean {
+    public static isString(value: any): value is string {
         return _isTypeof(value, "string");
@@ -158,3 +176,3 @@ }
      */
-    public static isNumber(value: any): boolean {
+    public static isNumber(value: any): value is number {
         return _isTypeof(value, "number");
@@ -168,3 +186,3 @@ }
      */
-    public static isBoolean(value: any): boolean {
+    public static isBoolean(value: any): value is boolean {
         return _isTypeof(value, "boolean");
@@ -477,1 +495,61 @@ }
 }
+
+const doPerfActiveKey = "CoreUtils.doPerf";
+
+/**
+ * Helper function to wrap a function with a perf event
+ * @param mgrSource - The Performance Manager or a Performance provider source (may be null)
+ * @param getSource - The callback to create the source name for the event (if perf monitoring is enabled)
+ * @param func - The function to call and measure
+ * @param details - A function to return the payload details
+ * @param isAsync - Is the event / function being call asynchronously or synchronously 
+ */
+export function doPerf<T>(mgrSource: IPerfManagerProvider | IPerfManager, getSource: () => string, func: (perfEvt?: IPerfEvent) => T, details?: () => any, isAsync?: boolean) {
+    if (mgrSource) {
+        let perfMgr: IPerfManager = mgrSource as IPerfManager;
+        if (perfMgr && CoreUtils.isFunction(perfMgr["getPerfMgr"])) {
+            // Looks like a perf manager provider object
+            perfMgr = perfMgr["getPerfMgr"]()
+        }
+        
+        if (perfMgr) {
+            let perfEvt: IPerfEvent;
+            let currentActive: IPerfEvent = perfMgr.getCtx(doPerfActiveKey);
+            try {
+                perfEvt = perfMgr.create(getSource(), details, isAsync);
+                if (perfEvt) {
+                    if (currentActive && perfEvt.setCtx) {
+                        perfEvt.setCtx(PerfEvent.ParentContextKey, currentActive);
+                        if (currentActive.getCtx && currentActive.setCtx) {
+                            let children: IPerfEvent[] = currentActive.getCtx(PerfEvent.ChildrenContextKey);
+                            if (!children) {
+                                children = [];
+                                currentActive.setCtx(PerfEvent.ChildrenContextKey, children);
+                            }
+    
+                            children.push(perfEvt);
+                        }
+                    }
+    
+                    // Set this event as the active event now
+                    perfMgr.setCtx(doPerfActiveKey, perfEvt);
+                    return func(perfEvt);
+                }
+            } catch (ex) {
+                if (perfEvt && perfEvt.setCtx) {
+                    perfEvt.setCtx("exception", ex);
+                }
+            } finally {
+                // fire the perf event
+                if (perfEvt) {
+                    perfMgr.fire(perfEvt);
+                }
+                
+                // Reset the active event to the previous value
+                perfMgr.setCtx(doPerfActiveKey, currentActive);
+            }
+        }
+    }
+
+    return func();
+}

src/JavaScriptSDK/DiagnosticLogger.ts

@@ -8,26 +8,32 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { CoreUtils } from "./CoreUtils";
-import { hasJSON, getJSON } from "./EnvUtils";
-import { AppInsightsCore } from "./AppInsightsCore";
+import { hasJSON, getJSON, getConsole } from "./EnvUtils";
+import dynamicProto from '@microsoft/dynamicproto-js';
 
-export class _InternalLogMessage{
-    public static dataType: string = "MessageData";
+/**
+ * For user non actionable traces use AI Internal prefix.
+ */
+const AiNonUserActionablePrefix = "AI (Internal): ";
 
-    /**
-     * For user non actionable traces use AI Internal prefix.
-     */
-    private static AiNonUserActionablePrefix = "AI (Internal): ";
+/**
+ * Prefix of the traces in portal.
+ */
+const AiUserActionablePrefix = "AI: ";
 
-    /**
-     * Prefix of the traces in portal.
-     */
-    private static AiUserActionablePrefix = "AI: ";
+/**
+ *  Session storage key for the prefix for the key indicating message type already logged
+ */
+const AIInternalMessagePrefix = "AITR_";
 
-    private static sanitizeDiagnosticText(text: string) {
-        if (text) {
-            return "\"" + text.replace(/\"/g, "") + "\"";
-        }
 
-        return "";
+function _sanitizeDiagnosticText(text: string) {
+    if (text) {
+        return "\"" + text.replace(/\"/g, "") + "\"";
     }
 
+    return "";
+}
+
+export class _InternalLogMessage{
+    public static dataType: string = "MessageData";
+
     public message: string;
@@ -37,6 +43,7 @@ public messageId: _InternalMessageId;
     constructor(msgId: _InternalMessageId, msg: string, isUserAct = false, properties?: Object) {
+        let _self = this;
 
-        this.messageId = msgId;
-        this.message =
-            (isUserAct ? _InternalLogMessage.AiUserActionablePrefix : _InternalLogMessage.AiNonUserActionablePrefix) +
+        _self.messageId = msgId;
+        _self.message =
+            (isUserAct ? AiUserActionablePrefix : AiNonUserActionablePrefix) +
             msgId;
@@ -48,7 +55,8 @@
         }
+
         const diagnosticText =
-            (msg ? " message:" + _InternalLogMessage.sanitizeDiagnosticText(msg) : "") +
-            (properties ? " props:" + _InternalLogMessage.sanitizeDiagnosticText(strProps) : "");
+            (msg ? " message:" + _sanitizeDiagnosticText(msg) : "") +
+            (properties ? " props:" + _sanitizeDiagnosticText(strProps) : "");
 
-        this.message += diagnosticText;
+        _self.message += diagnosticText;
     }
@@ -58,3 +66,4 @@ }
 export class DiagnosticLogger implements IDiagnosticLogger {
-
+    public identifier = 'DiagnosticLogger';
+    
     /**
@@ -65,37 +74,142 @@ * The internal logging queue
 
-    /**
-     *  Session storage key for the prefix for the key indicating message type already logged
-     */
-    private AIInternalMessagePrefix: string = "AITR_";
+    constructor(config?: IConfiguration) {
+        /**
+         * Count of internal messages sent
+         */
+        let _messageCount = 0;
 
-    /**
-     * Count of internal messages sent
-     */
-    private _messageCount = 0;
+        /**
+         * Holds information about what message types were already logged to console or sent to server.
+         */
+        let _messageLogged: { [msg: number]: boolean } = {};
 
-    /**
-     * Holds information about what message types were already logged to console or sent to server.
-     */
-    private _messageLogged: { [msg: number]: boolean } = {};
+        dynamicProto(DiagnosticLogger, this, (_self) => {
+            const isNullOrUndefined = CoreUtils.isNullOrUndefined;
+            const isUndefined = CoreUtils.isUndefined;
+            const isFunction = CoreUtils.isFunction;
 
-    constructor(config?: IConfiguration) {
-        if (CoreUtils.isNullOrUndefined(config)) {
-            // TODO: Use default config
-            // config = AppInsightsCore.defaultConfig;
+            if (isNullOrUndefined(config)) {
+                config = {};
+            }
 
-            // For now, use defaults specified in DiagnosticLogger members;
-            return;
-        }
-        if (!CoreUtils.isNullOrUndefined(config.loggingLevelConsole)) {
-            this.consoleLoggingLevel = () => config.loggingLevelConsole;
-        }
-        if (!CoreUtils.isNullOrUndefined(config.loggingLevelTelemetry)) {
-            this.telemetryLoggingLevel = () => config.loggingLevelTelemetry;
-        }
-        if (!CoreUtils.isNullOrUndefined(config.maxMessageLimit)) {
-            this.maxInternalMessageLimit = () => config.maxMessageLimit
-        }
-        if (!CoreUtils.isNullOrUndefined(config.enableDebugExceptions)) {
-            this.enableDebugExceptions = () => config.enableDebugExceptions;
-        }
+            _self.consoleLoggingLevel = () => _getConfigValue('loggingLevelConsole', 0);
+            
+            _self.telemetryLoggingLevel = () => _getConfigValue('loggingLevelTelemetry', 1);
+
+            _self.maxInternalMessageLimit = () => _getConfigValue('maxMessageLimit', 25);
+
+            _self.enableDebugExceptions = () => _getConfigValue('enableDebugExceptions', false);
+            
+            /**
+             * This method will throw exceptions in debug mode or attempt to log the error as a console warning.
+             * @param severity {LoggingSeverity} - The severity of the log message
+             * @param message {_InternalLogMessage} - The log message.
+             */
+            _self.throwInternal = (severity: LoggingSeverity, msgId: _InternalMessageId, msg: string, properties?: Object, isUserAct = false) => {
+                const message = new _InternalLogMessage(msgId, msg, isUserAct, properties);
+
+                if (_self.enableDebugExceptions()) {
+                    throw message;
+                } else {
+                    if (!isUndefined(message) && !!message) {
+                        if (!isUndefined(message.message)) {
+                            if (isUserAct) {
+                                // check if this message type was already logged to console for this page view and if so, don't log it again
+                                const messageKey: number = +message.messageId;
+
+                                if (!_messageLogged[messageKey] && _self.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
+                                    _self.warnToConsole(message.message);
+                                    _messageLogged[messageKey] = true;
+                                }
+                            } else {
+                                // don't log internal AI traces in the console, unless the verbose logging is enabled
+                                if (_self.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
+                                    _self.warnToConsole(message.message);
+                                }
+                            }
+
+                            _self.logInternalMessage(severity, message);
+                        }
+                    }
+                }
+            }
+
+            /**
+             * This will write a warning to the console if possible
+             * @param message {string} - The warning message
+             */
+            _self.warnToConsole = (message: string) => {
+                let theConsole = getConsole();
+                if (!!theConsole) {
+                    let logFunc = 'log';
+                    if (theConsole.warn) {
+                        logFunc = 'warn';
+                    }
+
+                    if (isFunction(theConsole[logFunc])) {
+                        theConsole[logFunc](message);
+                    }
+                }
+            }
+
+            /**
+             * Resets the internal message count
+             */
+            _self.resetInternalMessageCount = (): void => {
+                _messageCount = 0;
+                _messageLogged = {};
+            };
+
+            /**
+             * Logs a message to the internal queue.
+             * @param severity {LoggingSeverity} - The severity of the log message
+             * @param message {_InternalLogMessage} - The message to log.
+             */
+            _self.logInternalMessage = (severity: LoggingSeverity, message: _InternalLogMessage): void => {
+                if (_areInternalMessagesThrottled()) {
+                    return;
+                }
+
+                // check if this message type was already logged for this session and if so, don't log it again
+                let logMessage = true;
+                const messageKey = AIInternalMessagePrefix + message.messageId;
+
+                // if the session storage is not available, limit to only one message type per page view
+                if (_messageLogged[messageKey]) {
+                    logMessage = false;
+                } else {
+                    _messageLogged[messageKey] = true;
+                }
+
+                if (logMessage) {
+                    // Push the event in the internal queue
+                    if (severity <= _self.telemetryLoggingLevel()) {
+                        _self.queue.push(message);
+                        _messageCount++;
+                    }
+
+                    // When throttle limit reached, send a special event
+                    if (_messageCount === _self.maxInternalMessageLimit()) {
+                        const throttleLimitMessage = "Internal events throttle limit per PageView reached for this app.";
+                        const throttleMessage = new _InternalLogMessage(_InternalMessageId.MessageLimitPerPVExceeded, throttleLimitMessage, false);
+
+                        _self.queue.push(throttleMessage);
+                        _self.warnToConsole(throttleLimitMessage);
+                    }
+                }
+            };
+
+            function _getConfigValue<T>(name: keyof IConfiguration, defValue: T): T {
+                let value = config[name] as T;
+                if (!isNullOrUndefined(value)) {
+                    return value;
+                }
+
+                return defValue;
+            }
+
+            function _areInternalMessagesThrottled(): boolean {
+                return _messageCount >= _self.maxInternalMessageLimit();
+            }
+        });
     }
@@ -106,3 +220,6 @@
      */
-    public enableDebugExceptions = () => false;
+    public enableDebugExceptions(): boolean {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return false;
+    }
 
@@ -114,3 +231,6 @@ /**
      */
-    public consoleLoggingLevel = () => 0;
+    public consoleLoggingLevel(): number {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 0;
+    }
 
@@ -122,3 +242,6 @@ /**
      */
-    public telemetryLoggingLevel = () => 1;
+    public telemetryLoggingLevel(): number {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 1;
+    }
 
@@ -128,3 +251,6 @@ /**
      */
-    public maxInternalMessageLimit = () => 25;
+    public maxInternalMessageLimit(): number {
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
+        return 25;
+    }
 
@@ -137,29 +263,3 @@ /**
     public throwInternal(severity: LoggingSeverity, msgId: _InternalMessageId, msg: string, properties?: Object, isUserAct = false) {
-        const message = new _InternalLogMessage(msgId, msg, isUserAct, properties);
-        let _this = this;
-
-        if (_this.enableDebugExceptions()) {
-            throw message;
-        } else {
-            if (!CoreUtils.isUndefined(message) && !!message) {
-                if (!CoreUtils.isUndefined(message.message)) {
-                    if (isUserAct) {
-                        // check if this message type was already logged to console for this page view and if so, don't log it again
-                        const messageKey: number = +message.messageId;
-
-                        if (!_this._messageLogged[messageKey] && _this.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
-                            _this.warnToConsole(message.message);
-                            _this._messageLogged[messageKey] = true;
-                        }
-                    } else {
-                        // don't log internal AI traces in the console, unless the verbose logging is enabled
-                        if (_this.consoleLoggingLevel() >= LoggingSeverity.WARNING) {
-                            _this.warnToConsole(message.message);
-                        }
-                    }
-
-                    _this.logInternalMessage(severity, message);
-                }
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -172,9 +272,3 @@
     public warnToConsole(message: string) {
-        if (!CoreUtils.isUndefined(console) && !!console) {
-            if (CoreUtils.isFunction(console.warn)) {
-                console.warn(message);
-            } else if (CoreUtils.isFunction(console.log)) {
-                console.log(message);
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -186,4 +280,3 @@
     public resetInternalMessageCount(): void {
-        this._messageCount = 0;
-        this._messageLogged = {};
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -197,42 +290,4 @@
     public logInternalMessage(severity: LoggingSeverity, message: _InternalLogMessage): void {
-        let _this = this;
-        if (_this._areInternalMessagesThrottled()) {
-            return;
-        }
-
-        // check if this message type was already logged for this session and if so, don't log it again
-        let logMessage = true;
-        const messageKey = _this.AIInternalMessagePrefix + message.messageId;
-
-        // if the session storage is not available, limit to only one message type per page view
-        if (_this._messageLogged[messageKey]) {
-            logMessage = false;
-        } else {
-            _this._messageLogged[messageKey] = true;
-        }
-
-        if (logMessage) {
-            // Push the event in the internal queue
-            if (severity <= _this.telemetryLoggingLevel()) {
-                _this.queue.push(message);
-                _this._messageCount++;
-            }
-
-            // When throttle limit reached, send a special event
-            if (_this._messageCount === _this.maxInternalMessageLimit()) {
-                const throttleLimitMessage = "Internal events throttle limit per PageView reached for this app.";
-                const throttleMessage = new _InternalLogMessage(_InternalMessageId.MessageLimitPerPVExceeded, throttleLimitMessage, false);
-
-                _this.queue.push(throttleMessage);
-                _this.warnToConsole(throttleLimitMessage);
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
-
-    /**
-     * Indicates whether the internal events are throttled
-     */
-    private _areInternalMessagesThrottled(): boolean {
-        return this._messageCount >= this.maxInternalMessageLimit();
-    }
 }

src/JavaScriptSDK/EnvUtils.ts

@@ -26,2 +26,3 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 const strLocation = "location";
+const strConsole = "console";
 const strPerformance = "performance";
@@ -177,2 +178,13 @@ const strJSON = "JSON";
 /**
+ * Returns the global console object
+ */
+export function getConsole(): Console | null {
+    if (typeof console !== strUndefined) {
+        return console;
+    }
+
+    return getGlobalInst(strConsole);
+}
+
+/**
  * Returns the performance object if it is present otherwise null.
@@ -179,0 +191,0 @@ * This helper is used to access the performance object from the current

src/JavaScriptSDK/InstrumentHooks.ts

 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-import { 
-    IInstrumentHooksCallbacks, IInstrumentHooks, IInstrumentHook, IInstrumentCallDetails, InstrumentorHooksCallback 
+import {
+    IInstrumentHooksCallbacks, IInstrumentHooks, IInstrumentHook, IInstrumentCallDetails, InstrumentorHooksCallback
 } from "../JavaScriptSDK.Interfaces/IInstrumentHooks";
@@ -25,2 +25,15 @@ import {
 
+
+/**
+ * Constant string defined to support minimization
+ * @ignore
+ */
+const str__Proto = "__proto__";
+
+/**
+ * Constant string defined to support minimization
+ * @ignore
+ */
+const strConstructor = "constructor";
+
 /** @ignore */
@@ -33,3 +46,3 @@ function _arrLoop<T>(arr:T[], fn:(value:T, idx:number) => boolean|number|void) {
             }
-        }    
+        }
     }
@@ -45,3 +58,3 @@ }
             if (cb) {
-        
+
                 // Set the specific hook context implementation using a lazy creation pattern
@@ -78,3 +91,3 @@ callDetails.ctx = () => {
 function _createFunctionHook(aiHook:IInstrumentHooks) {
-    
+
     // Define a temporary method that queues-up a the real method call
@@ -134,2 +147,30 @@ return function () {
 
+
+/**
+ * Pre-lookup to check if we are running on a modern browser (i.e. not IE8)
+ * @ignore
+ */
+let _objGetPrototypeOf = Object["getPrototypeOf"];
+
+/**
+ * Helper used to get the prototype of the target object as getPrototypeOf is not available in an ES3 environment.
+ * @ignore
+ */
+function _getObjProto(target:any) {
+    if (target) {
+        // This method doesn't existing in older browsers (e.g. IE8)
+        if (_objGetPrototypeOf) {
+            return _objGetPrototypeOf(target);
+        }
+
+        // target[Constructor] May break if the constructor has been changed or removed
+        let newProto = target[str__Proto] || target[strPrototype] || target[strConstructor];
+        if(newProto) {
+            return newProto;
+        }
+    }
+
+    return null;
+}
+
 /** @ignore */
@@ -142,3 +183,3 @@ function _getOwner(target:any, name:string, checkPrototype:boolean): any {
         } else if (checkPrototype) {
-            owner = _getOwner(target[strPrototype], name, false);
+            owner = _getOwner(_getObjProto(target), name, false);
         }
@@ -188,42 +229,44 @@ }
         let owner = _getOwner(target, funcName, checkPrototype);
-        let fn = owner[funcName]
-        if (typeof fn === strFunction) {
-            let aiHook:IInstrumentHooks = fn[aiInstrumentHooks];
-            if (!aiHook) {
-                // Only hook the function once
-                aiHook = {
-                    i: 0,
-                    n: funcName,
-                    f: fn,
-                    h: []
-                };
+        if (owner) {
+            let fn = owner[funcName]
+            if (typeof fn === strFunction) {
+                let aiHook:IInstrumentHooks = fn[aiInstrumentHooks];
+                if (!aiHook) {
+                    // Only hook the function once
+                    aiHook = {
+                        i: 0,
+                        n: funcName,
+                        f: fn,
+                        h: []
+                    };
 
-                // Override (hook) the original function
-                let newFunc = _createFunctionHook(aiHook);
-                newFunc[aiInstrumentHooks] = aiHook;        // Tag and store the function hooks
-                owner[funcName] = newFunc;
-            }
+                    // Override (hook) the original function
+                    let newFunc = _createFunctionHook(aiHook);
+                    newFunc[aiInstrumentHooks] = aiHook;        // Tag and store the function hooks
+                    owner[funcName] = newFunc;
+                }
 
-            const theHook: IInstrumentHook = {
-                // tslint:disable:object-literal-shorthand
-                id: aiHook.i,
-                cbks: callbacks,
-                rm: function() {
-                    // DO NOT Use () => { shorthand for the function as the this gets replaced
-                    // with the outer this and not the this for theHook instance.
-                    let id = this.id;
-                    _arrLoop(aiHook.h, (hook, idx) => {
-                        if (hook.id === id) {
-                            aiHook.h.splice(idx, 1);
-                            return 1;
-                        }
-                    });
+                const theHook: IInstrumentHook = {
+                    // tslint:disable:object-literal-shorthand
+                    id: aiHook.i,
+                    cbks: callbacks,
+                    rm: function() {
+                        // DO NOT Use () => { shorthand for the function as the this gets replaced
+                        // with the outer this and not the this for theHook instance.
+                        let id = this.id;
+                        _arrLoop(aiHook.h, (hook, idx) => {
+                            if (hook.id === id) {
+                                aiHook.h.splice(idx, 1);
+                                return 1;
+                            }
+                        });
+                    }
+                    // tslint:enable:object-literal-shorthand
                 }
-                // tslint:enable:object-literal-shorthand
-            }
 
-            aiHook.i ++;
-            aiHook.h.push(theHook);
+                aiHook.i ++;
+                aiHook.h.push(theHook);
 
-            return theHook;
+                return theHook;
+            }
         }
@@ -230,0 +273,0 @@ }

src/JavaScriptSDK/NotificationManager.ts

 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
+import { IConfiguration } from '../JavaScriptSDK.Interfaces/IConfiguration';
 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
 import { INotificationListener } from "../JavaScriptSDK.Interfaces/INotificationListener";
-import { INotificationManager } from './../JavaScriptSDK.Interfaces/INotificationManager';
-import { SendRequestReason } from '../JavaScriptSDK.Enums/SendRequestReason';
-import { CoreUtils } from "./CoreUtils";
+import { INotificationManager } from '../JavaScriptSDK.Interfaces/INotificationManager';
+import { IPerfEvent } from "../JavaScriptSDK.Interfaces/IPerfEvent";
+import { CoreUtils, } from "./CoreUtils";
+import dynamicProto from "@microsoft/dynamicproto-js";
 
@@ -15,2 +17,94 @@ /**
 
+    constructor(config?: IConfiguration) {
+        let arrForEach = CoreUtils.arrForEach;
+        let perfEvtsSendAll = !!(config ||{}).perfEvtsSendAll;
+
+        dynamicProto(NotificationManager, this, (_self) => {
+            _self.addNotificationListener = (listener: INotificationListener): void => {
+                _self.listeners.push(listener);
+            };
+
+            /**
+             * Removes all instances of the listener.
+             * @param {INotificationListener} listener - AWTNotificationListener to remove.
+             */
+            _self.removeNotificationListener = (listener: INotificationListener): void => {
+                let index: number = CoreUtils.arrIndexOf(_self.listeners, listener);
+                while (index > -1) {
+                    _self.listeners.splice(index, 1);
+                    index = CoreUtils.arrIndexOf(_self.listeners, listener);
+                }
+            };
+
+            /**
+             * Notification for events sent.
+             * @param {ITelemetryItem[]} events - The array of events that have been sent.
+             */
+            _self.eventsSent = (events: ITelemetryItem[]): void => {
+                arrForEach(_self.listeners, (listener) => {
+                    if (listener && listener.eventsSent) {
+                        setTimeout(() => listener.eventsSent(events), 0);
+                    }
+                });
+            };
+
+            /**
+             * Notification for events being discarded.
+             * @param {ITelemetryItem[]} events - The array of events that have been discarded by the SDK.
+             * @param {number} reason           - The reason for which the SDK discarded the events. The EventsDiscardedReason
+             * constant should be used to check the different values.
+             */
+            _self.eventsDiscarded = (events: ITelemetryItem[], reason: number): void => {
+                arrForEach(_self.listeners, (listener) => {
+                    if (listener && listener.eventsDiscarded) {
+                        setTimeout(() => listener.eventsDiscarded(events, reason), 0);
+                    }
+                });
+            };
+
+            /**
+             * [Optional] A function called when the events have been requested to be sent to the sever.
+             * @param {number} sendReason - The reason why the event batch is being sent.
+             * @param {boolean} isAsync   - A flag which identifies whether the requests are being sent in an async or sync manner.
+             */
+            _self.eventsSendRequest = (sendReason: number, isAsync: boolean): void => {
+                arrForEach(_self.listeners, (listener) => {
+                    if (listener && listener.eventsSendRequest) {
+                        if (isAsync) {
+                            setTimeout(() => listener.eventsSendRequest(sendReason, isAsync), 0);
+                        } else {
+                            try {
+                                listener.eventsSendRequest(sendReason, isAsync);
+                            } catch (e) {
+                                // Catch errors to ensure we don't block sending the requests
+                            }
+                        }
+                    }
+                });
+            };
+
+            _self.perfEvent = (perfEvent?: IPerfEvent): void => {
+                if (perfEvent) {
+
+                    // Send all events or only parent events
+                    if (perfEvtsSendAll || !perfEvent.isChildEvt()) {
+                        arrForEach(_self.listeners, (listener) => {
+                            if (listener && listener.perfEvent) {
+                                if (perfEvent.isAsync) {
+                                    setTimeout(() => listener.perfEvent(perfEvent), 0);
+                                } else {
+                                    try {
+                                        listener.perfEvent(perfEvent);
+                                    } catch (e) {
+                                        // Catch errors to ensure we don't block sending the requests
+                                    }
+                                }
+                            }
+                        });
+                    }
+                }
+            }
+        });
+    }
+    
     /**
@@ -21,3 +115,3 @@ * Adds a notification listener.
     addNotificationListener(listener: INotificationListener): void {
-        this.listeners.push(listener);
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -30,7 +124,3 @@
     removeNotificationListener(listener: INotificationListener): void {
-        let index: number = CoreUtils.arrIndexOf(this.listeners, listener);
-        while (index > -1) {
-            this.listeners.splice(index, 1);
-            index = CoreUtils.arrIndexOf(this.listeners, listener);
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -43,7 +133,3 @@
     eventsSent(events: ITelemetryItem[]): void {
-        for (let i: number = 0; i < this.listeners.length; ++i) {
-            if (this.listeners[i].eventsSent) {
-                setTimeout(() => this.listeners[i].eventsSent(events), 0);
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -58,7 +144,3 @@
     eventsDiscarded(events: ITelemetryItem[], reason: number): void {
-        for (let i: number = 0; i < this.listeners.length; ++i) {
-            if (this.listeners[i].eventsDiscarded) {
-                setTimeout(() => this.listeners[i].eventsDiscarded(events, reason), 0);
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
@@ -72,16 +154,11 @@
     eventsSendRequest?(sendReason: number, isAsync: boolean): void {
-        for (let i: number = 0; i < this.listeners.length; ++i) {
-            if (this.listeners[i].eventsSendRequest) {
-                if (isAsync) {
-                    setTimeout(() => this.listeners[i].eventsSendRequest(sendReason, isAsync), 0);
-                } else {
-                    try {
-                        this.listeners[i].eventsSendRequest(sendReason, isAsync);
-                    } catch (e) {
-                        // Catch errors to ensure we don't block sending the requests
-                    }
-                }
-            }
-        }
+        // @DynamicProtoStub -- DO NOT add any code as this will be removed during packaging
     }
+
+    /**
+     * [Optional] This event is sent if you have enabled perf events, they are primarily used to track internal performance testing and debugging
+     * the event can be displayed via the debug plugin extension.
+     * @param perfEvent 
+     */
+    perfEvent?(perfEvent: IPerfEvent): void;
 }

src/JavaScriptSDK/TelemetryPluginChain.ts

@@ -9,3 +9,3 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 import { IPlugin, ITelemetryPlugin } from '../JavaScriptSDK.Interfaces/ITelemetryPlugin';
-import { CoreUtils } from "./CoreUtils";
+import { CoreUtils, doPerf } from "./CoreUtils";
 import { _InternalLogMessage } from "./DiagnosticLogger";
@@ -74,45 +74,49 @@ import { LoggingSeverity, _InternalMessageId } from '../JavaScriptSDK.Enums/LoggingEnums';
 
-            if (plugin && _hasProcessTelemetry) {
-                _self._hasRun = true;
-                try {
+            let identifier = plugin ? plugin.identifier : "TelemetryPluginChain";
 
-                    // Ensure that we keep the context in sync (for processNext()), just in case a plugin
-                    // doesn't calls processTelemetry() instead of itemContext.processNext() or some 
-                    // other form of error occurred
-                    itemCtx.setNext(_nextProxy);
-                    if (_hasSetNext) {
-                        // Backward compatibility setting the next plugin on the instance
-                        plugin.setNextPlugin(_nextProxy);
+            doPerf(itemCtx ? itemCtx.core() : null, () => identifier + ":processTelemetry", () => {
+                if (plugin && _hasProcessTelemetry) {
+                    _self._hasRun = true;
+                    try {
+    
+                        // Ensure that we keep the context in sync (for processNext()), just in case a plugin
+                        // doesn't calls processTelemetry() instead of itemContext.processNext() or some 
+                        // other form of error occurred
+                        itemCtx.setNext(_nextProxy);
+                        if (_hasSetNext) {
+                            // Backward compatibility setting the next plugin on the instance
+                            plugin.setNextPlugin(_nextProxy);
+                        }
+    
+                        // Set a flag on the next plugin so we know if it was attempted to be executed
+                        _nextProxy && ((_nextProxy as TelemetryPluginChain)._hasRun = false);
+    
+                        plugin.processTelemetry(env, itemCtx);
+                    } catch (error) {
+                        let hasRun = _nextProxy && (_nextProxy as TelemetryPluginChain)._hasRun;
+                        if (!_nextProxy || !hasRun) {
+                            // Either we have no next plugin or the current one did not attempt to call the next plugin
+                            // Which means the current one is the root of the failure so log/report this failure
+                            itemCtx.diagLog().throwInternal(
+                                LoggingSeverity.CRITICAL,
+                                _InternalMessageId.PluginException,
+                                "Plugin [" + plugin.identifier + "] failed during processTelemetry - " + error);
+                        }
+    
+                        if (_nextProxy && !hasRun) {
+                            // As part of the failure the current plugin did not attempt to call the next plugin in the cahin
+                            // So rather than leave the pipeline dead in the water we call the next plugin
+                            _nextProxy.processTelemetry(env, itemCtx);
+                        }
                     }
-
-                    // Set a flag on the next plugin so we know if it was attempted to be executed
-                    _nextProxy && ((_nextProxy as TelemetryPluginChain)._hasRun = false);
-
-                    plugin.processTelemetry(env, itemCtx);
-                } catch (error) {
-                    let hasRun = _nextProxy && (_nextProxy as TelemetryPluginChain)._hasRun;
-                    if (!_nextProxy || !hasRun) {
-                        // Either we have no next plugin or the current one did not attempt to call the next plugin
-                        // Which means the current one is the root of the failure so log/report this failure
-                        itemCtx.diagLog().throwInternal(
-                            LoggingSeverity.CRITICAL,
-                            _InternalMessageId.PluginException,
-                            "Plugin [" + plugin.identifier + "] failed during processTelemetry - " + error);
-                    }
-
-                    if (_nextProxy && !hasRun) {
-                        // As part of the failure the current plugin did not attempt to call the next plugin in the cahin
-                        // So rather than leave the pipeline dead in the water we call the next plugin
-                        _nextProxy.processTelemetry(env, itemCtx);
-                    }
+                } else if (_nextProxy) {
+                    _self._hasRun = true;
+    
+                    // The underlying plugin is either not defined or does not have a processTelemetry implementation
+                    // so we still want the next plugin to be executed.
+                    _nextProxy.processTelemetry(env, itemCtx);
                 }
-            } else if (_nextProxy) {
-                _self._hasRun = true;
-
-                // The underlying plugin is either not defined or does not have a processTelemetry implementation
-                // so we still want the next plugin to be executed.
-                _nextProxy.processTelemetry(env, itemCtx);
-            }
+            }, () => ({ item: env }), !((env as any).sync));
         };
     }
 }

types/applicationinsights-core-js.d.ts

@@ -17,6 +17,9 @@ import '@microsoft/applicationinsights-shims';
 export { BaseTelemetryPlugin } from './JavaScriptSDK/BaseTelemetryPlugin';
-export { CoreUtils, EventHelper, Undefined, normalizeJsName } from "./JavaScriptSDK/CoreUtils";
-export { getGlobal, getGlobalInst, hasWindow, getWindow, hasDocument, getDocument, hasNavigator, getNavigator, hasHistory, getHistory, getLocation, getPerformance, hasJSON, getJSON, isReactNative, strUndefined, strObject, strPrototype, strFunction } from "./JavaScriptSDK/EnvUtils";
+export { CoreUtils, EventHelper, Undefined, normalizeJsName, doPerf } from "./JavaScriptSDK/CoreUtils";
+export { getGlobal, getGlobalInst, hasWindow, getWindow, hasDocument, getDocument, hasNavigator, getNavigator, hasHistory, getHistory, getLocation, getPerformance, hasJSON, getJSON, isReactNative, getConsole, strUndefined, strObject, strPrototype, strFunction } from "./JavaScriptSDK/EnvUtils";
 export { NotificationManager } from "./JavaScriptSDK/NotificationManager";
 export { INotificationManager } from "./JavaScriptSDK.Interfaces/INotificationManager";
+export { IPerfEvent } from './JavaScriptSDK.Interfaces/IPerfEvent';
+export { IPerfManager, IPerfManagerProvider } from './JavaScriptSDK.Interfaces/IPerfManager';
+export { PerfEvent, PerfManager } from './JavaScriptSDK/PerfManager';
 export { DiagnosticLogger, _InternalLogMessage } from './JavaScriptSDK/DiagnosticLogger';
@@ -23,0 +26,0 @@ export { ProcessTelemetryContext } from './JavaScriptSDK/ProcessTelemetryContext';

types/JavaScriptSDK.Enums/SendRequestReason.d.ts

@@ -30,2 +30,6 @@ /**
     /**
+     * The event(s) being sent as a retry
+     */
+    Retry = 5,
+    /**
      * Maximum batch size would be exceeded
@@ -32,0 +36,0 @@ */

types/JavaScriptSDK.Interfaces/IAppInsightsCore.d.ts

@@ -5,6 +5,8 @@ import { ITelemetryItem } from "./ITelemetryItem";
 import { IConfiguration } from "./IConfiguration";
+import { INotificationManager } from "./INotificationManager";
 import { INotificationListener } from "./INotificationListener";
 import { IDiagnosticLogger } from './IDiagnosticLogger';
 import { IProcessTelemetryContext } from './IProcessTelemetryContext';
-export interface IAppInsightsCore {
+import { IPerfManagerProvider } from "./IPerfManager";
+export interface IAppInsightsCore extends IPerfManagerProvider {
     config: IConfiguration;
@@ -20,2 +22,6 @@ logger: IDiagnosticLogger;
     /**
+     * Get the current notification manager
+     */
+    getNotifyMgr(): INotificationManager;
+    /**
      * Adds a notification listener. The SDK calls methods on the listener when an appropriate notification is raised.
@@ -22,0 +28,0 @@ * The added plugins must raise notifications. If the plugins do not implement the notifications, then no methods will be

types/JavaScriptSDK.Interfaces/IConfiguration.d.ts

@@ -70,2 +70,15 @@ import { ITelemetryPlugin } from "./ITelemetryPlugin";
     channels?: IChannelControls[][];
+    /**
+     * [Optional] When enabled this will create local perfEvents based on sections of the code that have been instrumented
+     * to emit perfEvents (via the doPerf()) when this is enabled. This can be used to identify performance issues within
+     * the SDK, the way you are using it or optionally your own instrumented code.
+     * The provided IPerfManager implementation does NOT send any additional telemetry events to the server it will only fire
+     * the new perfEvent() on the INotificationManager which you can listen to.
+     * This also does not use the window.performance API, so it will work in environments where this API is not supported.
+     */
+    enablePerfMgr?: boolean;
+    /**
+     * [Optional] Fire every single performance event not just the top level root performance event. Defaults to false.
+     */
+    perfEvtsSendAll?: boolean;
 }

types/JavaScriptSDK.Interfaces/INotificationListener.d.ts

 import { ITelemetryItem } from "./ITelemetryItem";
+import { IPerfEvent } from "./IPerfEvent";
 /**
@@ -25,2 +26,8 @@ * An interface used for the notification listener.
     eventsSendRequest?: (sendReason: number, isAsync?: boolean) => void;
+    /**
+     * [Optional] This event is sent if you have enabled perf events, they are primarily used to track internal performance testing and debugging
+     * the event can be displayed via the debug plugin extension.
+     * @param perfEvent
+     */
+    perfEvent?: (perfEvent: IPerfEvent) => void;
 }

types/JavaScriptSDK.Interfaces/INotificationManager.d.ts

 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
 import { INotificationListener } from "../JavaScriptSDK.Interfaces/INotificationListener";
+import { IPerfEvent } from "./IPerfEvent";
 /**
@@ -36,2 +37,8 @@ * Class to manage sending notifications to all the listeners.
     eventsSendRequest?(sendReason: number, isAsync: boolean): void;
+    /**
+     * [Optional] This event is sent if you have enabled perf events, they are primarily used to track internal performance testing and debugging
+     * the event can be displayed via the debug plugin extension.
+     * @param perfEvent
+     */
+    perfEvent?(perfEvent: IPerfEvent): void;
 }

types/JavaScriptSDK/AppInsightsCore.d.ts

@@ -5,14 +5,9 @@ import { IAppInsightsCore } from "../JavaScriptSDK.Interfaces/IAppInsightsCore";
 import { IPlugin } from "../JavaScriptSDK.Interfaces/ITelemetryPlugin";
-import { IChannelControls } from "../JavaScriptSDK.Interfaces/IChannelControls";
 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
 import { INotificationListener } from "../JavaScriptSDK.Interfaces/INotificationListener";
-import { NotificationManager } from "./NotificationManager";
+import { INotificationManager } from '../JavaScriptSDK.Interfaces/INotificationManager';
 import { IDiagnosticLogger } from "../JavaScriptSDK.Interfaces/IDiagnosticLogger";
 export declare class AppInsightsCore extends BaseCore implements IAppInsightsCore {
-    config: IConfiguration;
-    logger: IDiagnosticLogger;
-    protected _notificationManager: NotificationManager;
     constructor();
-    initialize(config: IConfiguration, extensions: IPlugin[]): void;
-    getTransmissionControls(): IChannelControls[][];
+    initialize(config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void;
     track(telemetryItem: ITelemetryItem): void;
@@ -35,4 +30,2 @@ /**
     pollInternalLogs(eventName?: string): number;
-    private _validateTelemetryItem(telemetryItem);
-    private _notifyInvalidEvent(telemetryItem);
 }

types/JavaScriptSDK/BaseCore.d.ts

@@ -9,2 +9,3 @@ import { IAppInsightsCore } from "../JavaScriptSDK.Interfaces/IAppInsightsCore";
 import { IProcessTelemetryContext } from '../JavaScriptSDK.Interfaces/IProcessTelemetryContext';
+import { IPerfManager } from "../JavaScriptSDK.Interfaces/IPerfManager";
 export declare class BaseCore implements IAppInsightsCore {
@@ -16,6 +17,2 @@ static defaultConfig: IConfiguration;
     isInitialized: () => boolean;
-    protected _notificationManager: INotificationManager;
-    private _eventQueue;
-    private _channelController;
-    private _setInit;
     constructor();
@@ -26,3 +23,7 @@ initialize(config: IConfiguration, extensions: IPlugin[], logger?: IDiagnosticLogger, notificationManager?: INotificationManager): void;
     getProcessTelContext(): IProcessTelemetryContext;
+    getNotifyMgr(): INotificationManager;
+    getPerfMgr(): IPerfManager;
+    setPerfMgr(perfMgr: IPerfManager): void;
+    eventCnt(): number;
     protected releaseQueue(): void;
 }

types/JavaScriptSDK/ChannelController.d.ts

@@ -5,2 +5,3 @@ import { IAppInsightsCore } from "../JavaScriptSDK.Interfaces/IAppInsightsCore";
 import { IPlugin, ITelemetryPlugin } from "../JavaScriptSDK.Interfaces/ITelemetryPlugin";
+import { ITelemetryPluginChain } from "../JavaScriptSDK.Interfaces/ITelemetryPluginChain";
 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
@@ -11,5 +12,5 @@ import { IProcessTelemetryContext } from "../JavaScriptSDK.Interfaces/IProcessTelemetryContext";
     identifier: string;
-    setNextPlugin: (next: ITelemetryPlugin) => {};
     priority: number;
-    private _channelQueue;
+    setNextPlugin: (next: ITelemetryPlugin | ITelemetryPluginChain) => void;
+    constructor();
     processTelemetry(item: ITelemetryItem, itemCtx: IProcessTelemetryContext): void;
@@ -16,0 +17,0 @@ getChannelControls(): IChannelControls[][];

types/JavaScriptSDK/CoreUtils.d.ts

@@ -0,1 +1,3 @@
+import { IPerfEvent } from '../JavaScriptSDK.Interfaces/IPerfEvent';
+import { IPerfManager, IPerfManagerProvider } from '../JavaScriptSDK.Interfaces/IPerfManager';
 export declare const Undefined = "undefined";
@@ -21,3 +23,3 @@ /**
      */
-    static isFunction: (value: any) => boolean;
+    static isFunction: (value: any) => value is Function;
     /**
@@ -32,4 +34,12 @@ * Checks if the passed of value is a function.
      */
-    static isDate(obj: any): boolean;
+    static isDate(obj: any): obj is Date;
     /**
+     * Check if an object is of type Array
+     */
+    static isArray(obj: any): boolean;
+    /**
+     * Check if an object is of type Error
+     */
+    static isError(obj: any): boolean;
+    /**
      * Checks if the type of value is a string.
@@ -39,3 +49,3 @@ * @param {any} value - Value to be checked.
      */
-    static isString(value: any): boolean;
+    static isString(value: any): value is string;
     /**
@@ -46,3 +56,3 @@ * Checks if the type of value is a number.
      */
-    static isNumber(value: any): boolean;
+    static isNumber(value: any): value is number;
     /**
@@ -53,3 +63,3 @@ * Checks if the type of value is a boolean.
      */
-    static isBoolean(value: any): boolean;
+    static isBoolean(value: any): value is boolean;
     /**
@@ -172,1 +182,10 @@ * Creates a new GUID.
 }
+/**
+ * Helper function to wrap a function with a perf event
+ * @param mgrSource - The Performance Manager or a Performance provider source (may be null)
+ * @param getSource - The callback to create the source name for the event (if perf monitoring is enabled)
+ * @param func - The function to call and measure
+ * @param details - A function to return the payload details
+ * @param isAsync - Is the event / function being call asynchronously or synchronously
+ */
+export declare function doPerf<T>(mgrSource: IPerfManagerProvider | IPerfManager, getSource: () => string, func: (perfEvt?: IPerfEvent) => T, details?: () => any, isAsync?: boolean): T;

types/JavaScriptSDK/DiagnosticLogger.d.ts

@@ -6,11 +6,2 @@ import { IConfiguration } from "../JavaScriptSDK.Interfaces/IConfiguration";
     static dataType: string;
-    /**
-     * For user non actionable traces use AI Internal prefix.
-     */
-    private static AiNonUserActionablePrefix;
-    /**
-     * Prefix of the traces in portal.
-     */
-    private static AiUserActionablePrefix;
-    private static sanitizeDiagnosticText(text);
     message: string;
@@ -21,2 +12,3 @@ messageId: _InternalMessageId;
 export declare class DiagnosticLogger implements IDiagnosticLogger {
+    identifier: string;
     /**
@@ -26,14 +18,2 @@ * The internal logging queue
     queue: _InternalLogMessage[];
-    /**
-     *  Session storage key for the prefix for the key indicating message type already logged
-     */
-    private AIInternalMessagePrefix;
-    /**
-     * Count of internal messages sent
-     */
-    private _messageCount;
-    /**
-     * Holds information about what message types were already logged to console or sent to server.
-     */
-    private _messageLogged;
     constructor(config?: IConfiguration);
@@ -43,3 +23,3 @@ /**
      */
-    enableDebugExceptions: () => boolean;
+    enableDebugExceptions(): boolean;
     /**
@@ -50,3 +30,3 @@ * 0: OFF (default)
      */
-    consoleLoggingLevel: () => number;
+    consoleLoggingLevel(): number;
     /**
@@ -57,7 +37,7 @@ * 0: OFF
      */
-    telemetryLoggingLevel: () => number;
+    telemetryLoggingLevel(): number;
     /**
      * The maximum number of internal messages allowed to be sent per page view
      */
-    maxInternalMessageLimit: () => number;
+    maxInternalMessageLimit(): number;
     /**
@@ -84,6 +64,2 @@ * This method will throw exceptions in debug mode or attempt to log the error as a console warning.
     logInternalMessage(severity: LoggingSeverity, message: _InternalLogMessage): void;
-    /**
-     * Indicates whether the internal events are throttled
-     */
-    private _areInternalMessagesThrottled();
 }

types/JavaScriptSDK/EnvUtils.d.ts

@@ -92,2 +92,6 @@ /**
 /**
+ * Returns the global console object
+ */
+export declare function getConsole(): Console | null;
+/**
  * Returns the performance object if it is present otherwise null.
@@ -94,0 +98,0 @@ * This helper is used to access the performance object from the current

types/JavaScriptSDK/NotificationManager.d.ts

@@ -0,4 +1,6 @@
+import { IConfiguration } from '../JavaScriptSDK.Interfaces/IConfiguration';
 import { ITelemetryItem } from "../JavaScriptSDK.Interfaces/ITelemetryItem";
 import { INotificationListener } from "../JavaScriptSDK.Interfaces/INotificationListener";
-import { INotificationManager } from './../JavaScriptSDK.Interfaces/INotificationManager';
+import { INotificationManager } from '../JavaScriptSDK.Interfaces/INotificationManager';
+import { IPerfEvent } from "../JavaScriptSDK.Interfaces/IPerfEvent";
 /**
@@ -9,2 +11,3 @@ * Class to manage sending notifications to all the listeners.
     listeners: INotificationListener[];
+    constructor(config?: IConfiguration);
     /**
@@ -38,2 +41,8 @@ * Adds a notification listener.
     eventsSendRequest?(sendReason: number, isAsync: boolean): void;
+    /**
+     * [Optional] This event is sent if you have enabled perf events, they are primarily used to track internal performance testing and debugging
+     * the event can be displayed via the debug plugin extension.
+     * @param perfEvent
+     */
+    perfEvent?(perfEvent: IPerfEvent): void;
 }

New alerts

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

1617976

increased by31.65%

Number of package files

131

increased by10.08%

Lines of code

12814

increased by25.2%

Dependency changes

• + Added@microsoft/dynamicproto-js@1.1.11(transitive)

• - Removed@microsoft/dynamicproto-js@0.5.3(transitive)

• Updated@microsoft/dynamicproto-js@^1.0.0