Default to Sunday as first day of the week and use enums

Author: ChronosMasterOfAllTime

.gitignore

@@ -106,4 +106,9 @@ typings/
 .tern-port
 
 docs/.vitepress/cache
-docs/.vitepress/dist
+docs/.vitepress/dist
+
+# ignore .DS_Store files
+.DS_Store
+
+# Snyk Security Extension - AI Rules (auto-generated)

src/VueDatePicker/constants/defaults.ts

@@ -1,3 +1,4 @@
+import { WeekStart } from '@/types';
 import { enUS } from 'date-fns/locale';
 
 export const defaultRangeOptions = {
@@ -148,7 +149,7 @@ export const basePropDefaults = {
 };
 
 export const propDefaults = {
-    weekStart: 1,
+    weekStart: WeekStart.Sunday,
     yearRange: (): [number, number] => [1900, 2100],
     ui: () => ({}),
     locale: () => enUS,

src/VueDatePicker/types/enums.ts

@@ -0,0 +1,9 @@
+export enum WeekStart {
+    Sunday = 0,
+    Monday = 1,
+    Tuesday = 2,
+    Wednesday = 3,
+    Thursday = 4,
+    Friday = 5,
+    Saturday = 6,
+}

src/VueDatePicker/types/index.ts

@@ -4,3 +4,4 @@ export * from './configs.ts';
 export * from './generic.ts';
 export * from './picker.ts';
 export * from './emits.ts';
+export * from './enums.ts';

src/VueDatePicker/types/props.ts

@@ -21,6 +21,7 @@ import type {
 import type { CalendarWeek, Marker, TimeModel, PresetDate, HighlightFn, DisabledTimesFn } from '@/types/picker.ts';
 import type { PickerSection, DateValue, ModelValue, SixWeekMode } from '@/types/generic.ts';
 import { basePropDefaults, type propDefaults } from '@/constants/defaults.ts';
+import type { WeekStart } from '@/types/enums.ts';
 
 export interface RootProps {
     multiCalendars?: boolean | number | string | Partial<MultiCalendarsConfig>;
@@ -53,7 +54,7 @@ export interface RootProps {
     teleport?: string | boolean | HTMLElement;
     centered?: boolean;
     locale?: Locale;
-    weekStart?: string | number;
+    weekStart?: string | number | WeekStart;
     weekNumbers?: boolean | WeekNumbersConfig;
     dayNames?: (() => string[]) | string[];
     monthPicker?: boolean;