add some more native code

src/components/hooks/useStarterPackEntry.native.ts

@@ -0,0 +1,48 @@
+import React from 'react'
+
+import {makeStarterPackLink} from 'lib/routes/links'
+import {isAndroid} from 'platform/detection'
+import {useSetCurrentStarterPack} from 'state/preferences/starter-pack'
+import {useUsedStarterPacks} from 'state/preferences/used-starter-packs'
+import {SwissArmyKnife} from '../../../modules/expo-bluesky-swiss-army'
+import GooglePlayReferrer from '../../../modules/expo-google-play-referrer'
+
+export function useStarterPackEntry() {
+  const [ready, setReady] = React.useState(false)
+  const setCurrentStarterPack = useSetCurrentStarterPack()
+  const usedStarterPacks = useUsedStarterPacks()
+
+  React.useEffect(() => {
+    if (ready) return
+    ;(async () => {
+      let uri: string | null | undefined
+
+      if (isAndroid) {
+        const res = await GooglePlayReferrer.getReferrerInfoAsync()
+
+        if (res && res.installReferrer) {
+          const parts = res.installReferrer.split('&')
+          const starterPackSource = parts
+            .find(part => part.startsWith('utm_content='))
+            ?.split('=')[1]
+          const sourceParts = starterPackSource?.split('-')
+          if (sourceParts?.length === 3 && sourceParts[0] === 'starterpack') {
+            uri = makeStarterPackLink(sourceParts[1], sourceParts[2])
+          }
+        }
+      } else {
+        uri = await SwissArmyKnife.getStringValueAsync('starterPackUri', true)
+      }
+
+      if (uri && !usedStarterPacks?.includes(uri)) {
+        setCurrentStarterPack({
+          uri,
+        })
+      }
+
+      setReady(true)
+    })()
+  }, [ready, setCurrentStarterPack, usedStarterPacks])
+
+  return ready
+}