From 59d9d09c46ffbb8ee7e6d22460025c4cdcc9d2a7 Mon Sep 17 00:00:00 2001
From: Tin de Zeeuw <tin.de.zeeuw@alliander.com>
Date: Wed, 28 Aug 2024 11:58:42 +0200
Subject: [PATCH] fix issue #14233: change isYearSelected function so it
 doesn't break when no date(s) is selected yet

---
 src/app/components/calendar/calendar.ts | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/app/components/calendar/calendar.ts b/src/app/components/calendar/calendar.ts
index ad25df2ec3a..96f0bde6f62 100644
--- a/src/app/components/calendar/calendar.ts
+++ b/src/app/components/calendar/calendar.ts
@@ -1836,13 +1836,11 @@ export class Calendar implements OnInit, OnDestroy, ControlValueAccessor {
     }
 
     isYearSelected(year: number) {
-        if (this.isComparable()) {
-            let value = this.isRangeSelection() ? this.value[0] : this.value;
+        if (!this.isComparable()) return false;
+        if (this.isMultipleSelection()) return false;
 
-            return !this.isMultipleSelection() ? value.getFullYear() === year : false;
-        }
-
-        return false;
+        let value = this.isRangeSelection() ? this.value[0] : this.value; 
+        return value ? value.getFullYear() === year : false;
     }
 
     isDateEquals(value: any, dateMeta: any) {