react-calendar-full/dist/esm/utils/date.js

A full-featured React calendar component with event scheduling and monthly, weekly, and daily views.

export const daysOfWeek = [
    'Sunday',
    'Monday',
    'Tuesday',
    'Wednesday',
    'Thursday',
    'Friday',
    'Saturday',
];
export const daysOfWeekShort = [
    'Sun',
    'Mon',
    'Tue',
    'Wed',
    'Thu',
    'Fri',
    'Sat',
];
export const monthsOfYear = [
    'January',
    'February',
    'March',
    'April',
    'May',
    'June',
    'July',
    'August',
    'September',
    'October',
    'November',
    'December',
];
export function getDateInfo(inputDate) {
    const dayOfWeek = daysOfWeek[inputDate.getDay()];
    const month = monthsOfYear[inputDate.getMonth()];
    const dayOfMonth = inputDate.getDate();
    const year = inputDate.getFullYear();
    const startOfWeek = new Date(inputDate);
    startOfWeek.setDate(startOfWeek.getDate() - startOfWeek.getDay());
    const endOfWeek = new Date(startOfWeek);
    endOfWeek.setDate(endOfWeek.getDate() + 6);
    return {
        dayOfWeek,
        month,
        startOfWeek,
        endOfWeek,
        dayOfMonth,
        year,
    };
}
export function moveDate(date, amount) {
    const nextDate = new Date(date);
    nextDate.setDate(date.getDate() + amount);
    return nextDate;
}
export function moveMonth(date, amount) {
    const newDate = new Date(date);
    newDate.setMonth(date.getMonth() + amount);
    return newDate;
}
export function startOfWeek(date) {
    const startOfWeek = new Date(date);
    startOfWeek.setDate(startOfWeek.getDate() - startOfWeek.getDay());
    return startOfWeek;
}
export function datesOfWeek(date) {
    let currentDate = startOfWeek(date);
    const datesOfWeek = [];
    Array(7)
        .fill(null)
        .forEach(() => {
        datesOfWeek.push(currentDate);
        currentDate = moveDate(currentDate, 1);
    });
    return datesOfWeek;
}
export function areDatesEqual(date1, date2) {
    return (date1.getFullYear() === date2.getFullYear() &&
        date1.getMonth() === date2.getMonth() &&
        date1.getDate() === date2.getDate());
}
export function formatDateToYYYYMMDD(date) {
    const year = date.getFullYear();
    const month = (date.getMonth() + 1).toString().padStart(2, '0'); // Months are 0-indexed, so +1 is needed
    const day = date.getDate().toString().padStart(2, '0');
    return `${year}-${month}-${day}`;
}