bazi-mcp/src/lib/chineseCalendar.ts

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import { getSolarTime, today } from './date.js';

/**
 *
 * @param date Solar time string in ISO format.
 */
export const getChineseCalendar = (date?: string) => {
  if (!date) {
    date = today();
  }
  const solarTime = getSolarTime(date);
  const lunarHour = solarTime.getLunarHour();
  const eightChar = lunarHour.getEightChar();
  const lunarDay = lunarHour.getLunarDay();
  const twentyStar = lunarDay.getTwentyEightStar();
  const daySixtyCycle = lunarDay.getSixtyCycle();
  const dayHeavenStem = daySixtyCycle.getHeavenStem();
  const dayEarthBranch = daySixtyCycle.getEarthBranch();
  return {
    公历: solarTime.toString().split(' ').shift() + ' 星期' + solarTime.getSolarDay().getWeek(),
    农历: lunarDay.toString(),
    干支: eightChar.toString().split(' ').slice(0, 3).join(' '),
    生肖: eightChar.getYear().getEarthBranch().getZodiac().toString(),
    纳音: eightChar.getDay().getSound().toString(),
    农历节日: lunarDay.getFestival()?.toString() || undefined,
    公历节日: solarTime.getSolarDay().getFestival()?.toString() || undefined,
    节气: solarTime.getSolarDay().getTerm().toString(),
    二十八宿: twentyStar.toString() + twentyStar.getSevenStar() + twentyStar.getAnimal() + twentyStar.getLuck(),
    彭祖百忌: daySixtyCycle.getPengZu().toString(),
    喜神方位: dayHeavenStem.getJoyDirection().toString(),
    阳贵神方位: dayHeavenStem.getYangDirection().toString(),
    阴贵神方位: dayHeavenStem.getYinDirection().toString(),
    福神方位: dayHeavenStem.getMascotDirection().toString(),
    财神方位: dayHeavenStem.getWealthDirection().toString(),
    冲煞: `冲${dayEarthBranch.getOpposite().getZodiac()}(${dayEarthBranch.getOpposite()})煞${dayEarthBranch.getOminous()}`,
    宜: lunarDay.getRecommends().toString(),
    忌: lunarDay.getAvoids().toString(),
  };
};