Release v2.1.4

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@uvarov.frontend/vanilla-calendar",
-	"version": "2.1.4",
+	"version": "2.1.5",
 	"description": "Vanilla JS calendar without using additional packages. A lightweight date and time picker written in pure JavaScript using TypeScript.",
 	"homepage": "https://vanilla-calendar.frontend.uvarov.tech/",
 	"keywords": [

src/scripts/methods/createDays.ts

@@ -110,7 +110,7 @@ const createDays = (self: IVanillaCalendar) => {
 			dayBtnEl.dataset.calendarDay = date;
 
 			if (self.settings.visibility.weekNumbers) {
-				const weekNumber = getWeekNumber(date);
+				const weekNumber = getWeekNumber(date, self.settings.iso8601);
 				if (!weekNumber) return;
 				dayBtnEl.dataset.calendarWeekNumber = `${weekNumber.week}`;
 			}

src/scripts/methods/createWeekNumbers.ts

@@ -14,7 +14,7 @@ const createWeekNumbers = (self: IVanillaCalendar, firstDayWeek: number, daysSel
 		weekNumbersEl.innerHTML = '';
 
 		for (let i = 0; i < countWeek; i++) {
-			const weekNumber = getWeekNumber(daysBtnEl[i * 7].dataset.calendarDay);
+			const weekNumber = getWeekNumber(daysBtnEl[i * 7].dataset.calendarDay, self.settings.iso8601);
 			if (!weekNumber) return;
 
 			const weekNumberEl = templateWeekNumberEl.cloneNode(true);

src/scripts/methods/getWeekNumber.ts

@@ -1,10 +1,10 @@
-const getWeekNumber = (date: string | undefined) => {
+const getWeekNumber = (date: string | undefined, iso8601: boolean) => {
 	if (!date) return null;
 	const day = new Date(date).getUTCDate();
 	const month = new Date(date).getUTCMonth();
 	const year = new Date(date).getUTCFullYear();
 	const correctDate = new Date(year, month, day);
-	const yearStart = new Date(Date.UTC(correctDate.getUTCFullYear(), 0, 1));
+	const yearStart = new Date(Date.UTC(correctDate.getUTCFullYear(), 0, iso8601 ? 1 : 0));
 	const weekNumber = Math.ceil(((((+correctDate) - (+yearStart)) / 86400000) - 1) / 7);
 
 	return {