@mui/x-date-pickers
Version:
The community edition of the Date and Time Picker components (MUI X).
124 lines • 3.94 kB
JavaScript
import { areViewsEqual } from "./views.js";
export const mergeDateAndTime = (utils, dateParam, timeParam) => {
let mergedDate = dateParam;
mergedDate = utils.setHours(mergedDate, utils.getHours(timeParam));
mergedDate = utils.setMinutes(mergedDate, utils.getMinutes(timeParam));
mergedDate = utils.setSeconds(mergedDate, utils.getSeconds(timeParam));
mergedDate = utils.setMilliseconds(mergedDate, utils.getMilliseconds(timeParam));
return mergedDate;
};
export const findClosestEnabledDate = ({
date,
disableFuture,
disablePast,
maxDate,
minDate,
isDateDisabled,
utils,
timezone
}) => {
const today = mergeDateAndTime(utils, utils.date(undefined, timezone), date);
if (disablePast && utils.isBefore(minDate, today)) {
minDate = today;
}
if (disableFuture && utils.isAfter(maxDate, today)) {
maxDate = today;
}
let forward = date;
let backward = date;
if (utils.isBefore(date, minDate)) {
forward = minDate;
backward = null;
}
if (utils.isAfter(date, maxDate)) {
if (backward) {
backward = maxDate;
}
forward = null;
}
while (forward || backward) {
if (forward && utils.isAfter(forward, maxDate)) {
forward = null;
}
if (backward && utils.isBefore(backward, minDate)) {
backward = null;
}
if (forward) {
if (!isDateDisabled(forward)) {
return forward;
}
forward = utils.addDays(forward, 1);
}
if (backward) {
if (!isDateDisabled(backward)) {
return backward;
}
backward = utils.addDays(backward, -1);
}
}
return null;
};
export const replaceInvalidDateByNull = (utils, value) => value == null || !utils.isValid(value) ? null : value;
export const applyDefaultDate = (utils, value, defaultValue) => {
if (value == null || !utils.isValid(value)) {
return defaultValue;
}
return value;
};
export const areDatesEqual = (utils, a, b) => {
if (!utils.isValid(a) && a != null && !utils.isValid(b) && b != null) {
return true;
}
return utils.isEqual(a, b);
};
export const getMonthsInYear = (utils, year) => {
const firstMonth = utils.startOfYear(year);
const months = [firstMonth];
while (months.length < 12) {
const prevMonth = months[months.length - 1];
months.push(utils.addMonths(prevMonth, 1));
}
return months;
};
export const getTodayDate = (utils, timezone, valueType) => valueType === 'date' ? utils.startOfDay(utils.date(undefined, timezone)) : utils.date(undefined, timezone);
export const formatMeridiem = (utils, meridiem) => {
const date = utils.setHours(utils.date(), meridiem === 'am' ? 2 : 14);
return utils.format(date, 'meridiem');
};
const dateViews = ['year', 'month', 'day'];
export const isDatePickerView = view => dateViews.includes(view);
export const resolveDateFormat = (utils, {
format,
views
}, isInToolbar) => {
if (format != null) {
return format;
}
const formats = utils.formats;
if (areViewsEqual(views, ['year'])) {
return formats.year;
}
if (areViewsEqual(views, ['month'])) {
return formats.month;
}
if (areViewsEqual(views, ['day'])) {
return formats.dayOfMonth;
}
if (areViewsEqual(views, ['month', 'year'])) {
return `${formats.month} ${formats.year}`;
}
if (areViewsEqual(views, ['day', 'month'])) {
return `${formats.month} ${formats.dayOfMonth}`;
}
if (isInToolbar) {
// Little localization hack (Google is doing the same for android native pickers):
// For english localization it is convenient to include weekday into the date "Mon, Jun 1".
// For other locales using strings like "June 1", without weekday.
return /en/.test(utils.getCurrentLocaleCode()) ? formats.normalDateWithWeekday : formats.normalDate;
}
return formats.keyboardDate;
};
export const getWeekdays = (utils, date) => {
const start = utils.startOfWeek(date);
return [0, 1, 2, 3, 4, 5, 6].map(diff => utils.addDays(start, diff));
};