zhsw_wechat/miniprogram_npm/tdesign-miniprogram/calendar/utils.js

export function getMonthByOffset(date, offset) {
    const _date = new Date(date);
    _date.setMonth(_date.getMonth() + offset);
    _date.setDate(1);
    return _date;
}
export function getYearByOffset(date, offset) {
    const _date = new Date(date);
    _date.setFullYear(_date.getFullYear() + offset);
    _date.setDate(1);
    return _date;
}
export const getPrevMonth = (date) => getMonthByOffset(date, -1);
export const getNextMonth = (date) => getMonthByOffset(date, 1);
export const getPrevYear = (date) => getYearByOffset(date, -1);
export const getNextYear = (date) => getYearByOffset(date, 1);