react-day-picker
Version:
Customizable Date Picker for React
61 lines • 2.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getMonths = getMonths;
const index_js_1 = require("../classes/index.js");
/** Return the months to display in the calendar. */
function getMonths(
/** The months (as dates) to display in the calendar. */
displayMonths,
/** The dates to display in the calendar. */
dates,
/** Options from the props context. */
props, dateLib) {
const { addDays, endOfBroadcastWeek, endOfISOWeek, endOfMonth, endOfWeek, getISOWeek, getWeek, startOfBroadcastWeek, startOfISOWeek, startOfWeek } = dateLib;
const dayPickerMonths = displayMonths.reduce((months, month) => {
const firstDateOfFirstWeek = props.broadcastCalendar
? startOfBroadcastWeek(month, dateLib)
: props.ISOWeek
? startOfISOWeek(month)
: startOfWeek(month);
const lastDateOfLastWeek = props.broadcastCalendar
? endOfBroadcastWeek(month, dateLib)
: props.ISOWeek
? endOfISOWeek(endOfMonth(month))
: endOfWeek(endOfMonth(month));
/** The dates to display in the month. */
const monthDates = dates.filter((date) => {
return date >= firstDateOfFirstWeek && date <= lastDateOfLastWeek;
});
const nrOfDaysWithFixedWeeks = props.broadcastCalendar ? 35 : 42;
if (props.fixedWeeks && monthDates.length < nrOfDaysWithFixedWeeks) {
const extraDates = dates.filter((date) => {
const daysToAdd = nrOfDaysWithFixedWeeks - monthDates.length;
return (date > lastDateOfLastWeek &&
date <= addDays(lastDateOfLastWeek, daysToAdd));
});
monthDates.push(...extraDates);
}
const weeks = monthDates.reduce((weeks, date) => {
const weekNumber = props.ISOWeek ? getISOWeek(date) : getWeek(date);
const week = weeks.find((week) => week.weekNumber === weekNumber);
const day = new index_js_1.CalendarDay(date, month, dateLib);
if (!week) {
weeks.push(new index_js_1.CalendarWeek(weekNumber, [day]));
}
else {
week.days.push(day);
}
return weeks;
}, []);
const dayPickerMonth = new index_js_1.CalendarMonth(month, weeks);
months.push(dayPickerMonth);
return months;
}, []);
if (!props.reverseMonths) {
return dayPickerMonths;
}
else {
return dayPickerMonths.reverse();
}
}
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