lunar-typescript-pro/dist/lib/SolarSeason.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 { SolarMonth } from "./SolarMonth.mjs";
export class SolarSeason {
  _year;
  _month;
  static fromYm(year, month) {
    return new SolarSeason(year, month);
  }
  static fromDate(date) {
    return SolarSeason.fromYm(date.getFullYear(), date.getMonth() + 1);
  }
  constructor(year, month) {
    this._year = year;
    this._month = month;
  }
  getYear() {
    return this._year;
  }
  getMonth() {
    return this._month;
  }
  getIndex() {
    return Math.ceil(this._month / 3);
  }
  next(seasons) {
    const month = SolarMonth.fromYm(this._year, this._month).next(3 * seasons);
    return SolarSeason.fromYm(month.getYear(), month.getMonth());
  }
  getMonths() {
    const l = [];
    const index = this.getIndex() - 1;
    for (let i = 0; i < 3; i++) {
      l.push(SolarMonth.fromYm(this._year, 3 * index + i + 1));
    }
    return l;
  }
  toString() {
    return `${this.getYear()}.${this.getIndex()}`;
  }
  toFullString() {
    return `${this.getYear()}\u5E74${this.getIndex()}\u5B63\u5EA6`;
  }
}