shenweishi/wxcomponents/vant/calendar/utils.js

export const ROW_HEIGHT = 64;
export function formatMonthTitle(date) {
    if (!(date instanceof Date)) {
        date = new Date(date);
    }
    return `${date.getFullYear()}年${date.getMonth() + 1}月`;
}
export function compareMonth(date1, date2) {
    if (!(date1 instanceof Date)) {
        date1 = new Date(date1);
    }
    if (!(date2 instanceof Date)) {
        date2 = new Date(date2);
    }
    const year1 = date1.getFullYear();
    const year2 = date2.getFullYear();
    const month1 = date1.getMonth();
    const month2 = date2.getMonth();
    if (year1 === year2) {
        return month1 === month2 ? 0 : month1 > month2 ? 1 : -1;
    }
    return year1 > year2 ? 1 : -1;
}
export function compareDay(day1, day2) {
    if (!(day1 instanceof Date)) {
        day1 = new Date(day1);
    }
    if (!(day2 instanceof Date)) {
        day2 = new Date(day2);
    }
    const compareMonthResult = compareMonth(day1, day2);
    if (compareMonthResult === 0) {
        const date1 = day1.getDate();
        const date2 = day2.getDate();
        return date1 === date2 ? 0 : date1 > date2 ? 1 : -1;
    }
    return compareMonthResult;
}
export function getDayByOffset(date, offset) {
    date = new Date(date);
    date.setDate(date.getDate() + offset);
    return date;
}
export function getPrevDay(date) {
    return getDayByOffset(date, -1);
}
export function getNextDay(date) {
    return getDayByOffset(date, 1);
}
export function getToday() {
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    return today;
}
export function calcDateNum(date) {
    const day1 = new Date(date[0]).getTime();
    const day2 = new Date(date[1]).getTime();
    return (day2 - day1) / (1000 * 60 * 60 * 24) + 1;
}
export function copyDates(dates) {
    if (Array.isArray(dates)) {
        return dates.map((date) => {
            if (date === null) {
                return date;
            }
            return new Date(date);
        });
    }
    return new Date(dates);
}
export function getMonthEndDay(year, month) {
    return 32 - new Date(year, month - 1, 32).getDate();
}
export function getMonths(minDate, maxDate) {
    const months = [];
    const cursor = new Date(minDate);
    cursor.setDate(1);
    do {
        months.push(cursor.getTime());
        cursor.setMonth(cursor.getMonth() + 1);
    } while (compareMonth(cursor, maxDate) !== 1);
    return months;
}