bc518174
 王天杨
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import { differenceInCalendarDays, isSameDay } from 'date-fns';
import { DateRange } from 'types/Matchers';
/** Return `true` whether `date` is inside `range`. */
export function isDateInRange(date: Date, range: DateRange): boolean {
let { from, to } = range;
if (from && to) {
const isRangeInverted = differenceInCalendarDays(to, from) < 0;
if (isRangeInverted) {
[from, to] = [to, from];
}
const isInRange =
differenceInCalendarDays(date, from) >= 0 &&
differenceInCalendarDays(to, date) >= 0;
return isInRange;
}
if (to) {
return isSameDay(to, date);
}
if (from) {
return isSameDay(from, date);
}
return false;
}
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