@lobehub/ui/es/base-ui/DatePicker/calendar.mjs

Lobe UI is an open-source UI component library for building AIGC web apps

import dayjs from "dayjs";
//#region src/base-ui/DatePicker/calendar.ts
const DEFAULT_FORMAT = {
	date: "MMM D, YYYY",
	month: "MMMM YYYY",
	year: "YYYY"
};
const getWeekStart = () => {
	return dayjs.Ls[dayjs.locale()]?.weekStart ?? 0;
};
const offsetFromWeekStart = (date, weekStart) => (dayjs(date).day() - weekStart + 7) % 7;
const buildMonthGrid = (month, weekStart = getWeekStart()) => {
	const first = dayjs(month).startOf("month");
	const start = first.subtract(offsetFromWeekStart(first.toDate(), weekStart), "day");
	return Array.from({ length: 42 }, (_, index) => start.add(index, "day").toDate());
};
const getWeekdayLabels = (weekStart = getWeekStart()) => Array.from({ length: 7 }, (_, index) => dayjs().day((weekStart + index) % 7).format("dd"));
const isSameDay = (a, b) => !!a && !!b && dayjs(a).isSame(b, "day");
const isDayDisabled = (date, { disabledDate, max, min }) => !!min && dayjs(date).isBefore(min, "day") || !!max && dayjs(date).isAfter(max, "day") || !!disabledDate?.(date);
const isMonthDisabled = (month, { max, min }) => !!min && dayjs(month).isBefore(min, "month") || !!max && dayjs(month).isAfter(max, "month");
const isYearDisabled = (year, { max, min }) => !!min && dayjs(year).isBefore(min, "year") || !!max && dayjs(year).isAfter(max, "year");
const moveDayFocus = (date, key, weekStart = getWeekStart()) => {
	const current = dayjs(date);
	const offset = offsetFromWeekStart(date, weekStart);
	switch (key) {
		case "ArrowLeft": return current.subtract(1, "day").toDate();
		case "ArrowRight": return current.add(1, "day").toDate();
		case "ArrowUp": return current.subtract(7, "day").toDate();
		case "ArrowDown": return current.add(7, "day").toDate();
		case "PageUp": return current.subtract(1, "month").toDate();
		case "PageDown": return current.add(1, "month").toDate();
		case "Home": return current.subtract(offset, "day").toDate();
		case "End": return current.add(6 - offset, "day").toDate();
		default: return null;
	}
};
const orderRange = (a, b) => dayjs(a).isAfter(b, "day") ? [b, a] : [a, b];
const clampToBounds = (date, { max, min }) => {
	if (min && dayjs(date).isBefore(min, "day")) return min;
	if (max && dayjs(date).isAfter(max, "day")) return max;
	return date;
};
//#endregion
export { DEFAULT_FORMAT, buildMonthGrid, clampToBounds, getWeekStart, getWeekdayLabels, isDayDisabled, isMonthDisabled, isSameDay, isYearDisabled, moveDayFocus, orderRange };

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