oak-frontend-base/lib/miniprogram_npm/lin-ui/calendar/util.js

114 lines
2.4 KiB
JavaScript

export function getMonthEndDay(year, month) {
return new Date(year, month, 0).getDate();
}
export function isTimeTemp(data) {
var reg = /^\d+(\.\d+)?$/;
return reg.test(data);
}
export function getDate(str) {
if (isTimeTemp(str)) {
str = parseInt(str);
}
str = new Date(str);
return str;
}
export function getDayByOffset(date, number) {
date = new Date(date);
date.setDate(date.getDate() + number);
return date;
}
export function compareMonth(date1, date2) {
if (!(date1 instanceof Date)) {
date1 = getDate(date1);
}
if (!(date2 instanceof Date)) {
date2 = getDate(date2);
}
const year1 = date1.getFullYear();
const year2 = date2.getFullYear();
const month1 = date1.getMonth();
const month2 = date2.getMonth();
if (year1 === year2) {
return month1 === month2 ? 0 : month1 > month2 ? 1 : -1;
}
return year1 > year2 ? 1 : -1;
}
export function compareDay(date1, date2) {
if (!(date1 instanceof Date)) {
date1 = getDate(date1);
}
if (!(date2 instanceof Date)) {
date2 = getDate(date2);
}
const compareMonthResult = compareMonth(date1, date2);
if (compareMonthResult === 0) {
const _date1 = date1.getDate();
const _date2 = date2.getDate();
return _date1 === _date2 ? 0 : _date1 > _date2 ? 1 : -1;
}
return compareMonthResult;
}
export function calcDateNum(date) {
const day1 = new Date(date[0]).getTime();
const day2 = new Date(date[1]).getTime();
return (day2 - day1) / (1000 * 60 * 60 * 24) + 1;
}
export function copyDates(dates) {
if (Array.isArray(dates)) {
return dates.map(date => {
if (date === null) {
return date;
}
return new Date(date);
});
}
return new Date(dates);
}
export function getTime (dates) {
if (Array.isArray(dates)) {
return dates.map(date => {
if (date instanceof Date) {
return date.getTime();
}
return date;
});
}
return (dates instanceof Date ? dates.getTime() : dates);
}
export function formatMonthTitle(date) {
if (!(date instanceof Date)) {
date = new Date(date);
}
return `${date.getFullYear()}${date.getMonth() + 1}`;
}
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;
}