🔨 refactor: 날짜 포맷 함수 formatDate 리팩토링

src/components/Accordion/index.tsx

@@ -1,7 +1,7 @@
 import { useState, useRef } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
 import DownArrow from '@/assets/icons/downArrow.svg?react';
-import formatDate from '@/utils/dateUtils';
+import { inboxDate, sendDate } from '@/utils/dateUtils';
 import useCheckTextLines from '@/hooks/useCheckTextLines';
 import style, { accordionType } from './styles';
 
@@ -46,7 +46,9 @@ const Accordion = ({
         textContainerRef={textContainerRef}
         {...props}
       />
-      <p css={style.date(type)}>{formatDate(date)}</p>
+      <p css={style.date(type)}>
+        {type === 'inbox' ? inboxDate(date) : sendDate(date)}
+      </p>
       {showButton && (
         <Bottom isOpen={isOpen} toggleAccordion={toggleAccordion} />
       )}

src/utils/dateUtils.ts

@@ -1,9 +1,17 @@
-const formatDate = (date: Date) => {
+const formatDate = (date: Date): string => {
   const year = date.getFullYear().toString().substring(2, 4);
   const month = (date.getMonth() + 1).toString().padStart(2, '0');
   const day = date.getDate().toString().padStart(2, '0');
 
-  return `${year}년 ${month}월 ${day}일에 받은 편지`;
+  return `${year}년 ${month}월 ${day}일`;
 };
 
-export default formatDate;
+const inboxDate = (date: Date): string => {
+  return `${formatDate(date)}에 받은 편지`;
+};
+
+const sendDate = (date: Date): string => {
+  return formatDate(date);
+};
+
+export { inboxDate, sendDate };