extract search history into feature module

src/features/searchHistory/index.ts

@@ -0,0 +1,93 @@
+import {useCallback} from 'react'
+
+import {useProfilesQuery} from '#/state/queries/profile'
+import {useSession} from '#/state/session'
+import {
+  type SearchFilters,
+  serializeHistoryEntry,
+} from '#/screens/Search/searchParams'
+import {account, useStorage} from '#/storage'
+import type * as bsky from '#/types/bsky'
+
+const MAX_TERMS = 6
+const MAX_PROFILES = 10
+
+/**
+ * Per-account recent search history (device storage). Terms are stored as
+ * serialized history entries (plain string, or JSON when filters are
+ * attached); profiles are stored as DIDs and hydrated via useProfilesQuery,
+ * which keeps avatars/names fresh (stale-while-revalidate).
+ */
+export function useSearchHistory() {
+  const {currentAccount} = useSession()
+  const [termHistory = [], setTermHistory] = useStorage(account, [
+    currentAccount?.did ?? 'pwi',
+    'searchTermHistory',
+  ] as const)
+  const [accountHistory = [], setAccountHistory] = useStorage(account, [
+    currentAccount?.did ?? 'pwi',
+    'searchAccountHistory',
+  ])
+
+  const {data: accountHistoryProfiles} = useProfilesQuery({
+    handles: accountHistory,
+    maintainData: true,
+  })
+
+  const profiles =
+    accountHistoryProfiles?.profiles.filter(p =>
+      accountHistory.includes(p.did),
+    ) ?? []
+
+  const updateSearchHistory = useCallback(
+    (q: string, searchFilters: SearchFilters = {}) => {
+      if (!q) return
+      /*
+       * Store the query plus any advanced-search filters. Term-only searches
+       * serialize to a plain string (back-compatible with existing history);
+       * filtered searches serialize to JSON. Dedupe on the serialized form.
+       */
+      const item = serializeHistoryEntry(q, searchFilters)
+      const newSearchHistory = [
+        item,
+        ...termHistory.filter(search => search !== item),
+      ].slice(0, MAX_TERMS)
+      setTermHistory(newSearchHistory)
+    },
+    [termHistory, setTermHistory],
+  )
+
+  const updateProfileHistory = useCallback(
+    (item: bsky.profile.AnyProfileView) => {
+      const newAccountHistory = [
+        item.did,
+        ...accountHistory.filter(p => p !== item.did),
+      ].slice(0, MAX_PROFILES)
+      setAccountHistory(newAccountHistory)
+    },
+    [accountHistory, setAccountHistory],
+  )
+
+  const deleteSearchHistoryItem = useCallback(
+    (item: string) => {
+      setTermHistory(termHistory.filter(search => search !== item))
+    },
+    [termHistory, setTermHistory],
+  )
+
+  const deleteProfileHistoryItem = useCallback(
+    (item: bsky.profile.AnyProfileView) => {
+      setAccountHistory(accountHistory.filter(p => p !== item.did))
+    },
+    [accountHistory, setAccountHistory],
+  )
+
+  return {
+    termHistory,
+    profiles,
+    updateSearchHistory,
+    updateProfileHistory,
+    deleteSearchHistoryItem,
+    deleteProfileHistoryItem,
+  }
+}

src/screens/Search/Shell.tsx

@@ -28,10 +28,7 @@ import {useNonReactiveCallback} from '#/lib/hooks/useNonReactiveCallback'
 import {MagnifyingGlassIcon} from '#/lib/icons'
 import {type NavigationProp, type SearchParams} from '#/lib/routes/types'
 import {listenSoftReset} from '#/state/events'
-import {
-  unstableCacheProfileView,
-  useProfilesQuery,
-} from '#/state/queries/profile'
+import {unstableCacheProfileView} from '#/state/queries/profile'
 import {useSession} from '#/state/session'
 import {
   countActiveFilters,
@@ -41,7 +38,6 @@ import {
   parseHistoryEntry,
   readSearchFilters,
   type SearchFilters,
-  serializeHistoryEntry,
   withoutFilterParams,
 } from '#/screens/Search/searchParams'
 import {
@@ -62,7 +58,7 @@ import * as Toast from '#/components/Toast'
 import {Text} from '#/components/Typography'
 import {useAnalytics} from '#/analytics'
 import {IS_NATIVE, IS_WEB} from '#/env'
-import {account, useStorage} from '#/storage'
+import {useSearchHistory} from '#/features/searchHistory'
 import type * as bsky from '#/types/bsky'
 import {AdvancedSearchDialog} from './components/AdvancedSearchDialog'
 import {AutocompleteResults} from './components/AutocompleteResults'
@@ -116,7 +112,6 @@ export function SearchScreenShell({
   const route = useRoute()
   const textInput = useRef<TextInput>(null)
   const {t: l} = useLingui()
-  const {currentAccount} = useSession()
   const queryClient = useQueryClient()
 
   // Get tab parameter from route params
@@ -144,61 +139,14 @@ export function SearchScreenShell({
 
   const [showAutocomplete, setShowAutocomplete] = useState(false)
 
-  const [termHistory = [], setTermHistory] = useStorage(account, [
-    currentAccount?.did ?? 'pwi',
-    'searchTermHistory',
-  ] as const)
-  const [accountHistory = [], setAccountHistory] = useStorage(account, [
-    currentAccount?.did ?? 'pwi',
-    'searchAccountHistory',
-  ])
-
-  const {data: accountHistoryProfiles} = useProfilesQuery({
-    handles: accountHistory,
-    maintainData: true,
-  })
-
-  const updateSearchHistory = useCallback(
-    (q: string, searchFilters: SearchFilters = {}) => {
-      if (!q) return
-      /*
-       * Store the query plus any advanced-search filters. Term-only searches
-       * serialize to a plain string (back-compatible with existing history);
-       * filtered searches serialize to JSON. Dedupe on the serialized form.
-       */
-      const item = serializeHistoryEntry(q, searchFilters)
-      const newSearchHistory = [
-        item,
-        ...termHistory.filter(search => search !== item),
-      ].slice(0, 6)
-      setTermHistory(newSearchHistory)
-    },
-    [termHistory, setTermHistory],
-  )
-
-  const updateProfileHistory = useCallback(
-    (item: bsky.profile.AnyProfileView) => {
-      const newAccountHistory = [
-        item.did,
-        ...accountHistory.filter(p => p !== item.did),
-      ].slice(0, 10)
-      setAccountHistory(newAccountHistory)
-    },
-    [accountHistory, setAccountHistory],
-  )
-
-  const deleteSearchHistoryItem = useCallback(
-    (item: string) => {
-      setTermHistory(termHistory.filter(search => search !== item))
-    },
-    [termHistory, setTermHistory],
-  )
-  const deleteProfileHistoryItem = useCallback(
-    (item: bsky.profile.AnyProfileView) => {
-      setAccountHistory(accountHistory.filter(p => p !== item.did))
-    },
-    [accountHistory, setAccountHistory],
-  )
+  const {
+    termHistory,
+    profiles: historyProfiles,
+    updateSearchHistory,
+    updateProfileHistory,
+    deleteSearchHistoryItem,
+    deleteProfileHistoryItem,
+  } = useSearchHistory()
 
   const {query, filters, setFilters, hasFilters} = useQueryManager({
     initialQuery: queryParam,
@@ -683,11 +631,7 @@ export function SearchScreenShell({
             ) : (
               <SearchHistory
                 searchHistory={termHistory}
-                selectedProfiles={
-                  accountHistoryProfiles?.profiles.filter(p =>
-                    accountHistory.includes(p.did),
-                  ) ?? []
-                }
+                selectedProfiles={historyProfiles}
                 onItemClick={handleHistoryItemClick}
                 onProfileClick={handleProfileClick}
                 onRemoveItemClick={deleteSearchHistoryItem}