[Explore] Add shadow cache (#8119)

* enable shadowcache for feed previews

* extract keyextractor

* dedupe feeds

2 files changed, 35 insertions, 26 deletions

diff --git a/src/state/cache/post-shadow.ts b/src/state/cache/post-shadow.ts
index b456a76d9..923e5c000 100644
--- a/src/state/cache/post-shadow.ts
+++ b/src/state/cache/post-shadow.ts
@@ -2,18 +2,19 @@ import {useEffect, useMemo, useState} from 'react'
 import {
   AppBskyEmbedRecord,
   AppBskyEmbedRecordWithMedia,
-  AppBskyFeedDefs,
+  type AppBskyFeedDefs,
 } from '@atproto/api'
-import {QueryClient} from '@tanstack/react-query'
+import {type QueryClient} from '@tanstack/react-query'
 import EventEmitter from 'eventemitter3'
 
 import {batchedUpdates} from '#/lib/batchedUpdates'
-import {findAllPostsInQueryData as findAllPostsInNotifsQueryData} from '../queries/notifications/feed'
-import {findAllPostsInQueryData as findAllPostsInFeedQueryData} from '../queries/post-feed'
-import {findAllPostsInQueryData as findAllPostsInQuoteQueryData} from '../queries/post-quotes'
-import {findAllPostsInQueryData as findAllPostsInThreadQueryData} from '../queries/post-thread'
-import {findAllPostsInQueryData as findAllPostsInSearchQueryData} from '../queries/search-posts'
-import {castAsShadow, Shadow} from './types'
+import {findAllPostsInQueryData as findAllPostsInExploreFeedPreviewsQueryData} from '#/state/queries/explore-feed-previews'
+import {findAllPostsInQueryData as findAllPostsInNotifsQueryData} from '#/state/queries/notifications/feed'
+import {findAllPostsInQueryData as findAllPostsInFeedQueryData} from '#/state/queries/post-feed'
+import {findAllPostsInQueryData as findAllPostsInQuoteQueryData} from '#/state/queries/post-quotes'
+import {findAllPostsInQueryData as findAllPostsInThreadQueryData} from '#/state/queries/post-thread'
+import {findAllPostsInQueryData as findAllPostsInSearchQueryData} from '#/state/queries/search-posts'
+import {castAsShadow, type Shadow} from './types'
 export type {Shadow} from './types'
 
 export interface PostShadow {
@@ -154,4 +155,10 @@ function* findPostsInCache(
   for (let post of findAllPostsInQuoteQueryData(queryClient, uri)) {
     yield post
   }
+  for (let post of findAllPostsInExploreFeedPreviewsQueryData(
+    queryClient,
+    uri,
+  )) {
+    yield post
+  }
 }
diff --git a/src/state/cache/profile-shadow.ts b/src/state/cache/profile-shadow.ts
index adbff3919..84ebc565c 100644
--- a/src/state/cache/profile-shadow.ts
+++ b/src/state/cache/profile-shadow.ts
@@ -1,25 +1,26 @@
 import {useEffect, useMemo, useState} from 'react'
-import {QueryClient} from '@tanstack/react-query'
+import {type QueryClient} from '@tanstack/react-query'
 import EventEmitter from 'eventemitter3'
 
 import {batchedUpdates} from '#/lib/batchedUpdates'
-import * as bsky from '#/types/bsky'
-import {findAllProfilesInQueryData as findAllProfilesInActorSearchQueryData} from '../queries/actor-search'
-import {findAllProfilesInQueryData as findAllProfilesInKnownFollowersQueryData} from '../queries/known-followers'
-import {findAllProfilesInQueryData as findAllProfilesInListMembersQueryData} from '../queries/list-members'
-import {findAllProfilesInQueryData as findAllProfilesInListConvosQueryData} from '../queries/messages/list-conversations'
-import {findAllProfilesInQueryData as findAllProfilesInMyBlockedAccountsQueryData} from '../queries/my-blocked-accounts'
-import {findAllProfilesInQueryData as findAllProfilesInMyMutedAccountsQueryData} from '../queries/my-muted-accounts'
-import {findAllProfilesInQueryData as findAllProfilesInFeedsQueryData} from '../queries/post-feed'
-import {findAllProfilesInQueryData as findAllProfilesInPostLikedByQueryData} from '../queries/post-liked-by'
-import {findAllProfilesInQueryData as findAllProfilesInPostQuotesQueryData} from '../queries/post-quotes'
-import {findAllProfilesInQueryData as findAllProfilesInPostRepostedByQueryData} from '../queries/post-reposted-by'
-import {findAllProfilesInQueryData as findAllProfilesInPostThreadQueryData} from '../queries/post-thread'
-import {findAllProfilesInQueryData as findAllProfilesInProfileQueryData} from '../queries/profile'
-import {findAllProfilesInQueryData as findAllProfilesInProfileFollowersQueryData} from '../queries/profile-followers'
-import {findAllProfilesInQueryData as findAllProfilesInProfileFollowsQueryData} from '../queries/profile-follows'
-import {findAllProfilesInQueryData as findAllProfilesInSuggestedFollowsQueryData} from '../queries/suggested-follows'
-import {castAsShadow, Shadow} from './types'
+import {findAllProfilesInQueryData as findAllProfilesInActorSearchQueryData} from '#/state/queries/actor-search'
+import {findAllProfilesInQueryData as findAllProfilesInExploreFeedPreviewsQueryData} from '#/state/queries/explore-feed-previews'
+import {findAllProfilesInQueryData as findAllProfilesInKnownFollowersQueryData} from '#/state/queries/known-followers'
+import {findAllProfilesInQueryData as findAllProfilesInListMembersQueryData} from '#/state/queries/list-members'
+import {findAllProfilesInQueryData as findAllProfilesInListConvosQueryData} from '#/state/queries/messages/list-conversations'
+import {findAllProfilesInQueryData as findAllProfilesInMyBlockedAccountsQueryData} from '#/state/queries/my-blocked-accounts'
+import {findAllProfilesInQueryData as findAllProfilesInMyMutedAccountsQueryData} from '#/state/queries/my-muted-accounts'
+import {findAllProfilesInQueryData as findAllProfilesInFeedsQueryData} from '#/state/queries/post-feed'
+import {findAllProfilesInQueryData as findAllProfilesInPostLikedByQueryData} from '#/state/queries/post-liked-by'
+import {findAllProfilesInQueryData as findAllProfilesInPostQuotesQueryData} from '#/state/queries/post-quotes'
+import {findAllProfilesInQueryData as findAllProfilesInPostRepostedByQueryData} from '#/state/queries/post-reposted-by'
+import {findAllProfilesInQueryData as findAllProfilesInPostThreadQueryData} from '#/state/queries/post-thread'
+import {findAllProfilesInQueryData as findAllProfilesInProfileQueryData} from '#/state/queries/profile'
+import {findAllProfilesInQueryData as findAllProfilesInProfileFollowersQueryData} from '#/state/queries/profile-followers'
+import {findAllProfilesInQueryData as findAllProfilesInProfileFollowsQueryData} from '#/state/queries/profile-follows'
+import {findAllProfilesInQueryData as findAllProfilesInSuggestedFollowsQueryData} from '#/state/queries/suggested-follows'
+import type * as bsky from '#/types/bsky'
+import {castAsShadow, type Shadow} from './types'
 
 export type {Shadow} from './types'
 
@@ -154,4 +155,5 @@ function* findProfilesInCache(
   yield* findAllProfilesInFeedsQueryData(queryClient, did)
   yield* findAllProfilesInPostThreadQueryData(queryClient, did)
   yield* findAllProfilesInKnownFollowersQueryData(queryClient, did)
+  yield* findAllProfilesInExploreFeedPreviewsQueryData(queryClient, did)
 }