web-utils-super/getCurrentQuarter.js

前端函数库

const formatTime = require('./formatTime')
const getQuarterSeasonStartMonth = require('./getQuarterSeasonStartMonth')
const monthDays = require('./monthDays')
/**
 * @desc: 获取某季度起止时间
 * @param {Date | String} 年月日 '2022-2-2' | '2022/2/2' | '2022.2.2' | 不传默认是当天
 * @return {Array}
 */
function getCurrentQuarter(time) {
  // 一天的毫秒数
  let millisecond = 1000 * 60 * 60 * 24
  // 起止日期数组
  let startStop = new Array()
  // 获取当前时间
  let currentDate = time ? new Date(time) : new Date()
  // 获得当前月份0-11
  let currentMonth = currentDate.getMonth()
  // 获得当前年份4位年
  let currentYear = currentDate.getFullYear()
  // 获得本季度开始月份
  let quarterSeasonStartMonth = getQuarterSeasonStartMonth(currentMonth)
  // 获得本季度结束月份
  let quarterSeasonEndMonth = quarterSeasonStartMonth + 2
  // 获得本季度开始的日期
  let quarterSeasonStartDate = new Date(currentYear, quarterSeasonStartMonth, 1)
  // 获得本季度结束的日期
  let quarterSeasonEndDate = new Date(new Date(
    currentYear,
    quarterSeasonEndMonth,
    monthDays(new Date(currentYear, quarterSeasonEndMonth))
  ).getTime() + millisecond - 1)
  // 加入数组返回
  startStop.push(formatTime(quarterSeasonStartDate))
  startStop.push(formatTime(quarterSeasonEndDate))
  // 返回
  return startStop
}

module.exports = getCurrentQuarter