lunar-typescript-pro/dist/lib/Yun.mjs

lunar是一款无第三方依赖的公历(阳历)、农历(阴历、老黄历)、佛历和道历工具，支持星座、儒略日、干支、生肖、节气、节日、彭祖百忌、每日宜忌、吉神宜趋、凶煞宜忌、吉神(喜神/福神/财神/阳贵神/阴贵神)方位、胎神方位、冲煞、纳音、星宿、八字、五行、十神、建除十二值星、青龙名堂等十二神、黄道日及吉凶等。lunar is a calendar library for Solar and Chinese Lunar.

import { LunarUtil } from "./LunarUtil.mjs";
import { DaYun } from "./DaYun.mjs";
export class Yun {
  _gender;
  _startYear;
  _startMonth;
  _startDay;
  _startHour;
  _forward;
  _lunar;
  constructor(lunar, gender, sect = 1) {
    this._gender = gender;
    this._lunar = lunar;
    const yang = 0 === lunar.getYearGanIndexExact() % 2;
    const man = 1 === gender;
    const forward = yang && man || !yang && !man;
    this._forward = forward;
    const prev = lunar.getPrevJie();
    const next = lunar.getNextJie();
    const current = lunar.getSolar();
    const start = forward ? current : prev.getSolar();
    const end = forward ? next.getSolar() : current;
    let year;
    let month;
    let day;
    let hour = 0;
    if (2 === sect) {
      let minutes = end.subtractMinute(start);
      year = Math.floor(minutes / 4320);
      minutes -= year * 4320;
      month = Math.floor(minutes / 360);
      minutes -= month * 360;
      day = Math.floor(minutes / 12);
      minutes -= day * 12;
      hour = minutes * 2;
    } else {
      const endTimeZhiIndex = end.getHour() == 23 ? 11 : LunarUtil.getTimeZhiIndex(end.toYmdHms().substring(11, 16));
      const startTimeZhiIndex = start.getHour() == 23 ? 11 : LunarUtil.getTimeZhiIndex(start.toYmdHms().substring(11, 16));
      let hourDiff = endTimeZhiIndex - startTimeZhiIndex;
      let dayDiff = end.subtract(start);
      if (hourDiff < 0) {
        hourDiff += 12;
        dayDiff--;
      }
      let monthDiff = Math.floor(hourDiff * 10 / 30);
      month = dayDiff * 4 + monthDiff;
      day = hourDiff * 10 - monthDiff * 30;
      year = Math.floor(month / 12);
      month = month - year * 12;
    }
    this._startYear = year;
    this._startMonth = month;
    this._startDay = day;
    this._startHour = hour;
  }
  getGender() {
    return this._gender;
  }
  getStartYear() {
    return this._startYear;
  }
  getStartMonth() {
    return this._startMonth;
  }
  getStartDay() {
    return this._startDay;
  }
  getStartHour() {
    return this._startHour;
  }
  isForward() {
    return this._forward;
  }
  getLunar() {
    return this._lunar;
  }
  getStartSolar() {
    let solar = this._lunar.getSolar();
    solar = solar.nextYear(this._startYear);
    solar = solar.nextMonth(this._startMonth);
    solar = solar.next(this._startDay);
    return solar.nextHour(this._startHour);
  }
  getDaYun(n = 10) {
    const l = [];
    for (let i = 0; i < n; i++) {
      l.push(new DaYun(this, i));
    }
    return l;
  }
}