#61

frontend/src/lib/prefetchers.ts

@@ -3,12 +3,12 @@ import { match } from 'path-to-regexp'
 
 import { fetchPost, fetchPosts, fetchPostChanges } from '@/lib/posts'
 import { postsKeys, tagsKeys, wikiKeys } from '@/lib/queryKeys'
-import { fetchTagByName } from '@/lib/tags'
+import { fetchTagByName, fetchTags } from '@/lib/tags'
 import { fetchWikiPage,
 	 fetchWikiPageByTitle,
 	 fetchWikiPages } from '@/lib/wiki'
 
-import type { FetchPostsOrder } from '@/types'
+import type { Category, FetchPostsOrder, FetchTagsOrder } from '@/types'
 
 type Prefetcher = (qc: QueryClient, url: URL) => Promise<void>
 
@@ -131,6 +131,32 @@ const prefetchPostChanges: Prefetcher = async (qc, url) => {
 }
 
 
+const prefetchTagsIndex: Prefetcher = async (qc, url) => {
+  const postRaw = url.searchParams.get ('post')
+  const post = postRaw ? Number (postRaw) : null
+  const name = url.searchParams.get ('name') ?? ''
+  const category = (url.searchParams.get ('category') || null) as Category | null
+  const postCountGTE = Number (url.searchParams.get ('post_count_gte') || 1)
+  const postCountLTERaw = url.searchParams.get ('post_count_lte')
+  const postCountLTE = postCountLTERaw ? Number (postCountLTERaw) : null
+  const createdFrom = url.searchParams.get ('created_from') ?? ''
+  const createdTo = url.searchParams.get ('created_to') ?? ''
+  const updatedFrom = url.searchParams.get ('updated_from') ?? ''
+  const updatedTo = url.searchParams.get ('updated_to') ?? ''
+  const page = Number (url.searchParams.get ('page') || 1)
+  const limit = Number (url.searchParams.get ('limit') || 20)
+  const order = (url.searchParams.get ('order') ?? 'post_count:desc') as FetchTagsOrder
+
+  const keys = {
+      post, name, category, postCountGTE, postCountLTE, createdFrom, createdTo,
+      updatedFrom, updatedTo, page, limit, order }
+
+  await qc.prefetchQuery ({
+      queryKey: tagsKeys.index (keys),
+      queryFn:  () => fetchTags (keys) })
+}
+
+
 export const routePrefetchers: { test: (u: URL) => boolean; run: Prefetcher }[] = [
     { test: u => ['/', '/posts', '/posts/search'].includes (u.pathname),
       run: prefetchPostsIndex },
@@ -141,7 +167,8 @@ export const routePrefetchers: { test: (u: URL) => boolean; run: Prefetcher }[]
     { test: u => u.pathname === '/wiki', run: prefetchWikiPagesIndex },
     { test: u => (!(['/wiki/new', '/wiki/changes'].includes (u.pathname))
 		  && Boolean (mWiki (u.pathname))),
-      run: prefetchWikiPageShow }]
+      run: prefetchWikiPageShow },
+    { test: u => u.pathname === '/tags', run: prefetchTagsIndex }]
 
 
 export const prefetchForURL = async (qc: QueryClient, urlLike: string): Promise<void> => {