JS gets the time of yesterday, this week, the last 7 days, the last 31 days, this month, this quarter, and this year

JS gets yesterday, this week, last 7 days, last 31 days, this month, this quarter, this year, custom time

/**
 * 获取日期范围
 */
export function getDateRang(val: any) {
    
    
  const now = new Date(); // 当前日期
  const nowDayOfWeek = now.getDay(); // 今天本周的第几天
  const nowDay = now.getDate(); // 当前日
  const nowMonth = now.getMonth(); // 当前月
  const nowYear = now.getFullYear(); // 当前年
  const jd = Math.ceil((nowMonth + 1) / 3);
  let startTime;
  let endTime;
  let customTime = [];
  switch (val) {
    
    
    case 'yesterday': // 昨日
      startTime = new Date(nowYear, nowMonth, nowDay - 1);
      endTime = new Date(nowYear, nowMonth, nowDay - 1);
      break;
    case 'week': // 本周
      startTime = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek);
      endTime = new Date(nowYear, nowMonth, nowDay + 6 - nowDayOfWeek);
      break;
    case 'pastWeek': // 近 7 日
      startTime = new Date(nowYear, nowMonth, nowDay - 6);
      endTime = new Date(nowYear, nowMonth, nowDay);
      break;
    case 'month': // 本月
      startTime = new Date(nowYear, nowMonth, 1);
      endTime = new Date(nowYear, nowMonth + 1, 0);
      break;
    case 'pastMonth': // 近 31 日
      startTime = new Date(nowYear, nowMonth, nowDay - 30);
      endTime = new Date(nowYear, nowMonth, nowDay);
      break;
    case 'quarter': // 本季度
      startTime = new Date(nowYear, (jd - 1) * 3, 1);
      endTime = new Date(nowYear, jd * 3, 0);
      break;
    case 'year': // 今年
      startTime = new Date(nowYear, 0, 1);
      endTime = new Date(nowYear, 11, 31);
      break;
    default: // 自定义时间
      customTime = val.split(' - ');
      break;
  }
  return customTime.length ? customTime : [formatDate(startTime), formatDate(endTime)];
}

export function formatDate(date) {
    
    
  const y = date.getFullYear();
  let m = date.getMonth() + 1;
  m = m < 10 ? `0${
      
      m}` : m;
  let d = date.getDate();
  d = d < 10 ? `0${
      
      d}` : d;
  return `${
      
      y}/${
      
      m}/${
      
      d}`;
}