refactor: code clean up

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/components/editors/EventEditorOccurrence.vue

@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { computed, ref } from 'vue'
 import type { EventOccurrence } from '@ChronoManager/types/event'
+import { formatDisplayDate, formatLocalIsoDate } from '@/utils/format'
 
 type Frequency = 'daily' | 'weekly' | 'monthly' | 'yearly'
 type EndMode = 'never' | 'date' | 'count'
@@ -170,19 +171,11 @@ const pickerDate = (value: string | null | undefined): Date | null => {
   return value ? new Date(`${value.slice(0, 10)}T00:00:00`) : null
 }
 
-const formatDisplayDate = (value: string | null | undefined): string => {
-  const date = pickerDate(value)
-  return date ? date.toLocaleDateString(undefined, { year: 'numeric', month: 'short', day: 'numeric' }) : ''
-}
-
 const selectConclusionDate = (value: unknown) => {
   const selected = Array.isArray(value) ? value[0] : value
   const date = selected instanceof Date ? selected : new Date(String(selected))
   if (!Number.isNaN(date.getTime())) {
-    const year = date.getFullYear()
-    const month = String(date.getMonth() + 1).padStart(2, '0')
-    const day = String(date.getDate()).padStart(2, '0')
-    updatePattern({ concludes: `${year}-${month}-${day}`, iterations: null })
+    updatePattern({ concludes: formatLocalIsoDate(date), iterations: null })
   }
   endDateMenu.value = false
 }