feat: added session activity

packages/internal/metrics/src/error.ts

@@ -0,0 +1,46 @@
+import { errorBoundary } from './utils/errorBoundary';
+import { track, TrackProperties } from './track';
+
+type ErrorEventProperties =
+  | TrackProperties & {
+    isTrackError?: never;
+    errorMessage?: never;
+    errorStack?: never;
+  };
+
+const trackErrorFn = (
+  moduleName: string,
+  eventName: string,
+  error: Error,
+  properties?: ErrorEventProperties,
+) => {
+  const { message } = error;
+  let stack = error.stack || '';
+  const { cause } = error;
+
+  if (cause instanceof Error) {
+    stack = `${stack} \nCause: ${cause.message}\n ${cause.stack}`;
+  }
+
+  track(moduleName, `trackError_${eventName}`, {
+    ...(properties || {}),
+    errorMessage: message,
+    errorStack: stack,
+    isTrackError: true,
+  });
+};
+
+/**
+ * Track an event and it's performance. Works similarly to `track`, but also includes a duration.
+ * @param moduleName Name of the module being tracked (for namespacing purposes), e.g. `passport`
+ * @param eventName Name of the event, e.g. `clickItem`
+ * @param error Error object to be tracked
+ * @param properties Other properties to be sent with the event, other than duration
+ *
+ * @example
+ * ```ts
+ * trackError("passport", "sendTransactionFailed", error);
+ * trackError("passport", "getItemFailed", error, { otherProperty: "value" });
+ * ```
+ */
+export const trackError = errorBoundary(trackErrorFn);

packages/internal/metrics/src/flow.ts

@@ -0,0 +1,137 @@
+import { AllowedTrackProperties, TrackProperties } from './track';
+import { errorBoundary } from './utils/errorBoundary';
+import { generateFlowId } from './utils/id';
+import { trackDuration } from './performance';
+
+export type Flow = {
+  details: {
+    moduleName: string;
+    flowName: string;
+    flowId: string;
+    flowStartTime: number;
+  };
+  /**
+   * Track an event in the flow
+   * @param eventName Name of the event
+   * @param properties Object containing event properties
+   */
+  addEvent: (eventName: string, properties?: AllowedTrackProperties) => void;
+  /**
+   * Function to add new flow properties
+   * @param newProperties Object new properties
+   */
+  addFlowProperties: (properties: AllowedTrackProperties) => void;
+};
+
+// Flow Tracking Functions
+// -----------------------------------
+// Write a function to take multiple objects as arguments, and merge them into one object
+const mergeProperties = (
+  ...args: (TrackProperties | undefined)[]
+): TrackProperties => {
+  const hasProperties = args.some((arg) => !!arg);
+  if (!hasProperties) {
+    return {};
+  }
+  let finalProperties: Record<string, any> = {};
+  args.forEach((arg) => {
+    if (arg) {
+      finalProperties = {
+        ...finalProperties,
+        ...arg,
+      };
+    }
+  });
+
+  return finalProperties;
+};
+
+const cleanEventName = (eventName: string) => eventName.replace(/[^a-zA-Z0-9\s\-_]/g, '');
+const getEventName = (flowName: string, eventName: string) => `${flowName}_${cleanEventName(eventName)}`;
+
+const trackFlowFn = (
+  moduleName: string,
+  flowName: string,
+  properties?: AllowedTrackProperties,
+): Flow => {
+  // Track the start of the flow
+  const flowId = generateFlowId();
+  const flowStartTime = Date.now();
+
+  // Flow tracking
+  let currentStepCount = 0;
+  let previousStepTime = 0;
+
+  let flowProperties: TrackProperties = {};
+  const mergeFlowProps = (...args: (TrackProperties | undefined)[]) => mergeProperties(flowProperties, ...args, {
+    flowId,
+    flowName,
+  });
+
+  // Set up flow properties
+  flowProperties = mergeFlowProps(properties);
+
+  const addFlowProperties = (newProperties: AllowedTrackProperties) => {
+    if (newProperties) {
+      flowProperties = mergeFlowProps(newProperties);
+    }
+  };
+
+  const addEvent = (
+    eventName: string,
+    eventProperties?: AllowedTrackProperties,
+  ) => {
+    const event = getEventName(flowName, eventName);
+
+    // Calculate duration since previous step
+    let duration = 0;
+    const currentTime = performance.now();
+    if (currentStepCount > 0) {
+      duration = currentTime - previousStepTime;
+    }
+    const mergedProps = mergeFlowProps(eventProperties, {
+      flowEventName: eventName,
+      flowStep: currentStepCount,
+    });
+    trackDuration(moduleName, event, duration, mergedProps);
+
+    // Increment counters
+    currentStepCount++;
+    previousStepTime = currentTime;
+  };
+
+  // Trigger a Start Event as a record of creating the flow
+  addEvent('Start');
+
+  return {
+    details: {
+      moduleName,
+      flowName,
+      flowId,
+      flowStartTime,
+    },
+    addEvent: errorBoundary(addEvent),
+    addFlowProperties: errorBoundary(addFlowProperties),
+  };
+};
+/**
+ * Track a flow of events, including the start and end of the flow.
+ * Works similarly to `track`
+ * @param moduleName Name of the module being tracked (for namespacing purposes), e.g. `passport`
+ * @param flowName Name of the flow, e.g. `performTransaction`
+ * @param properties Other properties to be sent with the event, other than duration
+ *
+ * @example
+ * ```ts
+ * const flow = trackFlow("passport", "performTransaction", { transationType: "transfer" });
+ * // Do something...
+ * flow.addEvent("clickItem");
+ * // Do something...
+ * flow.addFlowProperties({ item: "item1" });
+ * flow.addEvent("guardianCheck", {"invisible": "true"});
+ * // Do something...
+ * flow.addEvent("guardianCheckComplete");
+ * flow.end();
+ * ```
+ */
+export const trackFlow = errorBoundary(trackFlowFn);

packages/internal/metrics/src/index.ts

@@ -1,5 +1,10 @@
+// Exporting utils
+import * as localStorage from './utils/localStorage';
+
 export { track } from './track';
-export { trackDuration, trackFlow, Flow } from './performance';
+export { trackDuration } from './performance';
+export { Flow, trackFlow } from './flow';
+export { trackError } from './error';
 export { identify } from './identify';
 export {
   setEnvironment,
@@ -8,3 +13,6 @@ export {
   getDetail,
   Detail,
 } from './details';
+export const utils = {
+  localStorage,
+};

packages/internal/metrics/src/performance.ts

@@ -1,22 +1,4 @@
-import { errorBoundary } from './utils/errorBoundary';
-import { track, TrackProperties } from './track';
-
-type PerformanceEventProperties =
-  | (TrackProperties & {
-    duration?: never;
-  });
-
-export type Flow = {
-  details: {
-    moduleName: string;
-    flowName: string;
-    flowId: string;
-    flowStartTime: number;
-  };
-  addEvent: (eventName: string, properties?: PerformanceEventProperties) => void;
-  addFlowProperties: (properties: PerformanceEventProperties) => void;
-  end: (endProperties?: PerformanceEventProperties) => void;
-};
+import { track, AllowedTrackProperties } from './track';
 
 /**
  * Track an event and it's performance. Works similarly to `track`, but also includes a duration.
@@ -35,132 +17,8 @@ export const trackDuration = (
   moduleName: string,
   eventName: string,
   duration: number,
-  properties?: PerformanceEventProperties,
+  properties?: AllowedTrackProperties,
 ) => track(moduleName, eventName, {
   ...(properties || {}),
-  duration,
+  duration: Math.round(duration),
 });
-
-// Time Tracking Functions
-// -----------------------------------
-
-// Write a function to take multiple objects as arguments, and merge them into one object
-const mergeProperties = (...args: (Record<string, any> | undefined)[]) => {
-  const hasProperties = args.some((arg) => !!arg);
-  if (!hasProperties) {
-    return undefined;
-  }
-  let finalProperties: Record<string, any> = {};
-  args.forEach((arg) => {
-    if (arg) {
-      finalProperties = {
-        ...finalProperties,
-        ...arg,
-      };
-    }
-  });
-
-  return finalProperties;
-};
-
-const getEventName = (flowName: string, eventName: string) => `${flowName}_${eventName}`;
-
-// Generate a random uuid
-const generateFlowId = () => {
-  const s4 = () => Math.floor((1 + Math.random()) * 0x10000)
-    .toString(16)
-    .substring(1);
-  return `${s4()}${s4()}-${s4()}-${s4()}-${s4()}-${s4()}${s4()}${s4()}`;
-};
-
-type FlowEventProperties = PerformanceEventProperties & {
-  flowId?: never;
-  flowStartTime?: never;
-};
-
-const trackFlowFn = (
-  moduleName: string,
-  flowName: string,
-  properties?: FlowEventProperties,
-): Flow => {
-  // Track the start of the flow
-  const flowStartEventName = getEventName(flowName, 'start');
-  const flowId = generateFlowId();
-  const startTime = performance.now();
-  const flowStartTime = Math.round(startTime + performance.timeOrigin);
-
-  let flowProperties = mergeProperties(properties, {
-    flowId,
-    flowStartTime,
-  }) as FlowEventProperties;
-  trackDuration(moduleName, flowStartEventName, 0, flowProperties);
-
-  const addFlowProperties = (newProperties: FlowEventProperties) => {
-    flowProperties = mergeProperties(flowProperties, newProperties, {
-      flowId,
-      flowStartTime,
-    }) as FlowEventProperties;
-  };
-
-  const addEvent = (
-    eventName: string,
-    eventProperties?: FlowEventProperties,
-  ) => {
-    const event = getEventName(flowName, eventName);
-
-    // Calculate time since start
-    const duration = Math.round(performance.now() - startTime);
-    // Always send the details of the startFlow props with all events in the flow
-    const mergedProps = mergeProperties(flowProperties, eventProperties, {
-      flowId,
-      flowStartTime,
-      duration,
-    }) as FlowEventProperties;
-    trackDuration(moduleName, event, duration, mergedProps);
-  };
-
-  const end = (endProperties?: FlowEventProperties) => {
-    // Track the end of the flow
-    const flowEndEventName = getEventName(flowName, 'end');
-    const duration = Math.round(performance.now() - startTime);
-    const mergedProps = mergeProperties(flowProperties, endProperties, {
-      flowId,
-      flowStartTime,
-    }) as FlowEventProperties;
-    trackDuration(moduleName, flowEndEventName, duration, mergedProps);
-  };
-
-  return {
-    details: {
-      moduleName,
-      flowName,
-      flowId,
-      flowStartTime,
-    },
-    addEvent: errorBoundary(addEvent),
-    addFlowProperties: errorBoundary(addFlowProperties),
-    end: errorBoundary(end),
-  };
-};
-
-/**
- * Track a flow of events, including the start and end of the flow.
- * Works similarly to `track`
- * @param moduleName Name of the module being tracked (for namespacing purposes), e.g. `passport`
- * @param flowName Name of the flow, e.g. `performTransaction`
- * @param properties Other properties to be sent with the event, other than duration
- *
- * @example
- * ```ts
- * const flow = trackFlow("passport", "performTransaction", { transationType: "transfer" });
- * // Do something...
- * flow.addEvent("clickItem");
- * // Do something...
- * flow.addFlowProperties({ item: "item1" });
- * flow.addEvent("guardianCheck", {"invisible": "true"});
- * // Do something...
- * flow.addEvent("guardianCheckComplete");
- * flow.end();
- * ```
- */
-export const trackFlow = errorBoundary(trackFlowFn);

packages/internal/metrics/src/track.ts

@@ -16,7 +16,26 @@ import {
 
 export const POLLING_FREQUENCY = 5000;
 
-export type TrackProperties = Record<string, string | number | boolean>;
+export type TrackProperties = Record<
+string,
+string | number | boolean | undefined
+>;
+
+// List of properties that are allowed to be sent with the track request
+// As these are used by other types of tracking
+export type AllowedTrackProperties = TrackProperties & {
+  // Performance
+  duration?: never;
+  // Flow
+  flowId?: never;
+  flowName?: never;
+  flowEventName?: never;
+  flowStep?: never;
+  // Error
+  isTrackError?: never;
+  errorMessage?: never;
+  errorStack?: never;
+};
 
 const trackFn = (
   moduleName: string,

packages/internal/metrics/src/utils/id.ts

@@ -0,0 +1,7 @@
+// UUID not playing well with browser, using this for now
+export const generateFlowId = () => {
+  const s4 = () => Math.floor((1 + Math.random()) * 0x10000)
+    .toString(16)
+    .substring(1);
+  return `${s4()}${s4()}-${s4()}-${s4()}-${s4()}-${s4()}${s4()}${s4()}`;
+};