init commit

shared/metrics-8/src/constants.ts

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+/**
+ * A list of event types we use across all onyx apps for metrics.
+ */
+export const METRICS_EVENT_TYPES = [
+    // The following types come from the jet enum `MetricsEventType`
+    // https://github.pie.apple.com/app-store/jet-js/blob/505144151e875c1bcbacd898216127fbc14c1562/packages/environment/src/types/metrics.ts#L198-L205
+    // and the events could be handled by MetricsKit
+    // https://github.pie.apple.com/amp-ae/mt-metricskit/tree/dev/packages/processors/mt-metricskit-processor-clickstream/src/metrics/event_handlers
+    'account', // For GDPR
+    'click',
+    'dialog',
+    'enter',
+    'exit',
+    'impressions',
+    'media',
+    'page',
+    'pageRender',
+    'search',
+] as const;