feat: S3에 저장된 기존 이미지 .webp 마이그레이션 파일 구현

Author: Yejiin21

src/shared/lib/migrateJpgToWebp.ts

@@ -0,0 +1,31 @@
+import { uploadFile } from '../../features/event/hooks/usePresignedUrlHook';
+import { convertImageToWebP } from './convertImageToWebP';
+
+const oldJpgUrls: string[] = [
+  // ... 여기에 변환할 이미지 URL들
+];
+
+export const runImageMigration = async () => {
+  for (const jpgUrl of oldJpgUrls) {
+    try {
+      const response = await fetch(jpgUrl);
+      const blob = await response.blob();
+
+      const file = new File([blob], extractFileName(jpgUrl), { type: blob.type });
+
+      const webpFile = await convertImageToWebP(file);
+      const webpUrl = await uploadFile(webpFile);
+
+      console.log(`✅ ${jpgUrl} → ${webpUrl}`);
+    } catch (error) {
+      console.error(`❌ 변환 실패: ${jpgUrl}`, error);
+    }
+  }
+
+  console.log('✅ 전체 마이그레이션 완료');
+};
+
+const extractFileName = (url: string) => {
+  const baseName = url.split('/').pop()?.split('?')[0] ?? 'unknown.jpg';
+  return baseName.replace(/\.(jpg|jpeg)$/i, '.webp');
+};