Merge branch 'saveguard-calendarselectedfeedsmixin-calendar-query-against-no-data' into 'master'

Saveguard calendarSelectedFeedsMixin calendar-query against no data

See merge request !1791

CHANGELOG.rst

@@ -26,6 +26,7 @@ Fixed
 * The configured theme colors were not used by the frontend.
 * Recurring events without until value weren't shown.
 * It wasn't possible to change icons of OAuth applications in the frontend.
+* First fetching of calendar feeds logged an error to console.
 
 `4.0`_ - 2025-03-29
 -------------------

aleksis/core/frontend/components/calendar/calendarSelectedFeedsMixin.js

@@ -17,9 +17,11 @@ const calendarSelectedFeedsMixin = {
     calendar: {
       query: gqlCalendarFeeds,
       result({ data }) {
-        this.selectedCalendarFeedNames = data.calendar.calendarFeeds
-          .filter((c) => c.activated)
-          .map((c) => c.name);
+        if (data) {
+          this.selectedCalendarFeedNames = data.calendar.calendarFeeds
+            .filter((c) => c.activated)
+            .map((c) => c.name);
+        }
       },
     },
   },