[APP-1782] Analytics migration (#9734)

* WIP * Clean up growthbook code, integrate into init and sessions * Move everything out of React * Add metrics client * Move to separate file * Shared metadata cache * Ensure we update metadata when session ID changes * Ensure userMetadata is cleared when logging out * WIP revamp * Integrate feature gates into analytics context * Clean up old code * Fix useMeta util * Some comments and cleanup * Add logger to base analytics context * Refactor current route handling * Rip out LogEvent from navigation * Update tracking endpoint * Migrate toClout * Clear out statsig client * Add todo, reset logger readme * Ope fix statsig noop * Refactor logging in feed-feedback, add debug logging to metrics client * Remove LogEvents alias for Metrics * Prefer root package export * Remove Metrics alias from logger * [APP-1782] Migrate to new analytics APIs (#9735) * Migrate logEvent to useAnalytics * Migrate logger.metric to useAnalytics * Migrate tricky spot, fix types * Migrate remaining tricky spot * Missed one * Remove metric() from logger * Migrate useGate to useAnalytics * Remove all other StatSig mentions * Update event payload * Update logger tests * Mock expo method * Fix session ID bug * Add session ID test * Add test for metrics client * Clarify intent * Clean up core analytics file * Clean up the call once utils * Fix TODO * Fix TODO * Fix TODO * Fix TODO * Fix TODO * Remove debug code * Fix navigation context * OK nav context is not working, todo * Checkpoint: works but feels hacky * Fix navigation context issue * Improve feature API * Improve metric logging * Update logger tests
2026-01-22 15:33:45 -06:00
parent 8614e5e105
commit 25a1ed1209
190 changed files with 2358 additions and 1689 deletions
@@ -0,0 +1,32 @@
+import {useEffect, useRef} from 'react'
+
+import {getCurrentState, onAppStateChange} from '#/lib/appState'
+import {useAnalytics} from '#/analytics'
+
+/**
+ * Tracks passive analytics like app foreground/background time.
+ */
+export function PassiveAnalytics() {
+  const ax = useAnalytics()
+  const lastActive = useRef(
+    getCurrentState() === 'active' ? performance.now() : null,
+  )
+
+  useEffect(() => {
+    const sub = onAppStateChange(state => {
+      if (state === 'active') {
+        lastActive.current = performance.now()
+        ax.metric('state:foreground', {})
+      } else if (lastActive.current !== null) {
+        ax.metric('state:background', {
+          secondsActive: Math.round(
+            (performance.now() - lastActive.current) / 1e3,
+          ),
+        })
+      }
+    })
+    return () => sub.remove()
+  }, [ax])
+
+  return null
+}