From 54eefb41d27607c2873391b8edc0a7699d16554e Mon Sep 17 00:00:00 2001
From: JackGruber <24863925+JackGruber@users.noreply.github.com>
Date: Mon, 19 Jul 2021 21:48:01 +0200
Subject: [PATCH] Set default compression level

---
 src/Backup.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Backup.ts b/src/Backup.ts
index 3cff4a7..f705c52 100644
--- a/src/Backup.ts
+++ b/src/Backup.ts
@@ -465,7 +465,11 @@ class Backup {
       zipOptions = { ...zipOptions, ...options };
     }
     zipOptions.method = [];
-    zipOptions.method.push("x" + this.compressionLevel);
+    if (this.compressionLevel) {
+      zipOptions.method.push("x" + this.compressionLevel);
+    } else {
+      zipOptions.method.push("x0");
+    }
 
     const status = await sevenZip.add(zipFile, addFile, password, zipOptions);
     if (status !== true) {