react-day-picker
Version:
Customizable Date Picker for React
35 lines • 1.17 kB
JavaScript
import { defaultDateLib } from "../classes/index.js";
/**
* Determines whether a given date is inside a specified date range.
*
* @since 9.0.0
* @group Utilities
*/
export function rangeIncludesDate(range, date,
/** If `true`, the ends of the range are excluded. */
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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