lunar-lite
Version:
精简版的农历和阳历日期转换库。
89 lines (88 loc) • 3.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.lunar2solar = exports.solar2lunar = exports.normalizeDateStr = void 0;
var lunar_typescript_1 = require("lunar-typescript");
/**
* 将日期字符串 YYYY-MM-DD 或者一个 Date 对象分割为 [YYYY, M, D, H, m, s]
* 当参数为字符串时分割符可以是 `-` `.` 或者 `/`
*
* @param dateStr 日期字符串或者 Date 对象
* @returns [年, 月, 日]
* @example
* normalizeDateStr('2023-07-31'); // [2023, 7, 31]
*/
var normalizeDateStr = function (date) {
if (date instanceof Date) {
return [
date.getFullYear(),
date.getMonth() + 1,
date.getDate(),
date.getHours(),
date.getMinutes(),
date.getSeconds(),
];
}
return date
.split(/[ ]+/)
.map(function (item) { return item.split(/[-:/.]/); })
.reduce(function (prev, next) { return prev.concat(next); }, [])
.map(function (item) { return Math.abs(+item); });
};
exports.normalizeDateStr = normalizeDateStr;
/**
* 公历转农历，年份需要在【1900~2100】之间，并且日期必须在1900-1-31之后
*
* @param dateStr 公历日期 YYYY-MM-DD格式的字符串或者Date对象
* @returns LunarDate
*/
var solar2lunar = function (dateStr) {
var _a = (0, exports.normalizeDateStr)(dateStr), year = _a[0], month = _a[1], day = _a[2];
var solar = lunar_typescript_1.Solar.fromYmd(year, month, day);
var lunar = solar.getLunar();
var lunarYear = lunar.getYear();
var lunarMonth = Math.abs(lunar.getMonth());
var lunarDay = lunar.getDay();
var isLeap = lunar.getMonth() < 0;
return {
lunarYear: lunarYear,
lunarMonth: lunarMonth,
lunarDay: lunarDay,
isLeap: isLeap,
toString: function (toCnStr) {
if (toCnStr) {
return lunar.toString();
}
return "".concat(lunarYear, "-").concat(lunarMonth, "-").concat(lunarDay);
},
};
};
exports.solar2lunar = solar2lunar;
/**
* 农历转公历
*
* @param dateStr 农历日期 YYYY-MM-DD
* @param isLeapMonth 是否闰月，若该月不是闰月，会忽略该参数
* @returns SolarDate
*/
var lunar2solar = function (dateStr, isLeapMonth) {
var _a = (0, exports.normalizeDateStr)(dateStr), year = _a[0], month = _a[1], day = _a[2];
var lunar = lunar_typescript_1.Lunar.fromYmd(year, month, day);
var lunarYear = lunar_typescript_1.LunarYear.fromYear(lunar.getYear());
var leapMonth = lunarYear.getLeapMonth();
if (leapMonth > 0 && leapMonth === month && isLeapMonth) {
lunar = lunar_typescript_1.Lunar.fromYmd(year, 0 - month, day);
}
var solar = lunar.getSolar();
var solarYear = solar.getYear();
var solarMonth = solar.getMonth();
var solarDay = solar.getDay();
return {
solarYear: solarYear,
solarMonth: solarMonth,
solarDay: solarDay,
toString: function () {
return "".concat(solarYear, "-").concat(solarMonth, "-").concat(solarDay);
},
};
};
exports.lunar2solar = lunar2solar;