投稿検索ページ（#206） (#274)

#206 エラー修正

#206 updated_at の並び順修正

Merge remote-tracking branch 'origin/main' into feature/206

Merge branch 'main' into feature/206

Merge branch 'main' into feature/206

Merge branch 'main' into feature/206

#206

#206

#206

#206

#206

#206 タグ補完追加

#206

#206

#206

#206

#206

Merge remote-tracking branch 'origin/main' into feature/206

#206

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #274

frontend/src/lib/utils.ts

@@ -4,4 +4,23 @@ import { twMerge } from 'tailwind-merge'
 import type { ClassValue } from 'clsx'
 
 
+export const toDate = (d: string | Date): Date => typeof d === 'string' ? new Date (d) : d
+
+
 export const cn = (...inputs: ClassValue[]) => twMerge (clsx (...inputs))
+
+
+export const dateString = (d: string | Date): string =>
+    toDate (d).toLocaleString ('ja-JP-u-ca-japanese')
+
+
+// TODO: 表示形式きしょすぎるので何とかする
+export const originalCreatedAtString = (
+    f:  string | Date | null,
+    b:  string | Date | null,
+): string =>
+    ([f ? `${ dateString (f) } 以降` : '',
+      b ? `${ dateString (b) } より前` : '']
+     .filter (Boolean)
+     .join (' '))
+    || '不明'