react-day-picker
Version:
Customizable Date Picker for React
66 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 { startOfWeek, endOfWeek, startOfISOWeek, endOfISOWeek, endOfMonth, addDays, getWeek, getISOWeek } = dateLib;
const dayPickerMonths = displayMonths.reduce((months, month) => {
const firstDateOfFirstWeek = props.ISOWeek
? startOfISOWeek(month)
: startOfWeek(month, {
locale: props.locale,
weekStartsOn: props.weekStartsOn
});
const lastDateOfLastWeek = props.ISOWeek
? endOfISOWeek(endOfMonth(month))
: endOfWeek(endOfMonth(month), {
locale: props.locale,
weekStartsOn: props.weekStartsOn
});
/** The dates to display in the month. */
const monthDates = dates.filter((date) => {
return date >= firstDateOfFirstWeek && date <= lastDateOfLastWeek;
});
if (props.fixedWeeks && monthDates.length < 42) {
const extraDates = dates.filter((date) => {
return (date > lastDateOfLastWeek && date <= addDays(lastDateOfLastWeek, 7));
});
monthDates.push(...extraDates);
}
const weeks = monthDates.reduce((weeks, date) => {
const weekNumber = props.ISOWeek
? getISOWeek(date)
: getWeek(date, {
locale: props.locale,
weekStartsOn: props.weekStartsOn,
firstWeekContainsDate: props.firstWeekContainsDate
});
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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