feat: minio util func

src/services/minio.ts

@@ -9,3 +9,15 @@ const minio = new Client({
 });
 
 export default minio;
+
+export async function presignedGetObjectIfExist(bucket: string, obj: string, exp?: number) {
+  if (
+    await minio.statObject(bucket, obj).catch((e) => {
+      if (e.code === "NotFound") return false;
+      throw new Error("Object storage error.");
+    })
+  ) {
+    return await minio.presignedGetObject(bucket, obj, exp);
+  }
+  return null;
+}