react-day-picker/dist/esm/utils/rangeIncludesDate.js

Customizable Date Picker for React

import { defaultDateLib } from "../classes/index.js";
/**
 * Checks if a given date is within a specified date range.
 *
 * @since 9.0.0
 * @param range - The date range to check against.
 * @param date - The date to check.
 * @param excludeEnds - If `true`, the range's start and end dates are excluded.
 * @param dateLib - The date utility library instance.
 * @returns `true` if the date is within the range, otherwise `false`.
 * @group Utilities
 */
export function rangeIncludesDate(range, date, excludeEnds = false, dateLib = defaultDateLib) {
    let { from, to } = range;
    const { differenceInCalendarDays, isSameDay } = dateLib;
    if (from && to) {
        const isRangeInverted = differenceInCalendarDays(to, from) < 0;
        if (isRangeInverted) {
            [from, to] = [to, from];
        }
        const isInRange = differenceInCalendarDays(date, from) >= (excludeEnds ? 1 : 0) &&
            differenceInCalendarDays(to, date) >= (excludeEnds ? 1 : 0);
        return isInRange;
    }
    if (!excludeEnds && to) {
        return isSameDay(to, date);
    }
    if (!excludeEnds && from) {
        return isSameDay(from, date);
    }
    return false;
}
/**
 * @private
 * @deprecated Use {@link rangeIncludesDate} instead.
 */
export const isDateInRange = (range, date) => rangeIncludesDate(range, date, false, defaultDateLib);
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