From afeb36253c1c851bd1cf9fba7732a7bdbeb02fbc Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Sat, 25 Dec 2021 12:44:23 +0300
Subject: [PATCH] keep dummy sections

---
 manage/import-export.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/manage/import-export.js b/manage/import-export.js
index f6ad56db..77457d2f 100644
--- a/manage/import-export.js
+++ b/manage/import-export.js
@@ -350,9 +350,10 @@ async function exportToFile(e) {
   /** Stripping `sections`, `null` and empty objects */
   function cleanupStyle(style) {
     const copy = {};
-    for (const [key, val] of Object.entries(style)) {
+    for (let [key, val] of Object.entries(style)) {
       if (key === 'sections'
-          ? !style.usercssData
+          // Keeping dummy `sections` for compatibility with older Stylus
+          ? !style.usercssData || (val = [{code: ''}])
           : typeof val !== 'object' || !isEmptyObj(val)) {
         copy[key] = val;
       }