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