工具包-获取倒计时信息

getRemainingTimeInfo.ts

// CANDO 1. MaxUnit
const DAY = 24 * 60 * 60 * 1000;
const HOUR = 60 * 60 * 1000;
const MIN = 60 * 1000;

function timeZero(time: number) {
  return time < 10 ? `0${time}` : String(time);
}

interface ICountdownResult {
  day: string;
  hour: string;
  min: string;
  sec: string;
  mesc: string;
  isEnd: boolean;
}


function getRemainingTimeInfo(remainingTime: number) {
  const result: ICountdownResult = {
    day: '00',
    hour: '00',
    min: '00',
    sec: '00',
    mesc: '00',
    isEnd: remainingTime <= 0,
  };

  const d = Math.floor(remainingTime / DAY);
  const lastHour = remainingTime - d * DAY;
  const h = Math.floor(lastHour / HOUR);
  const lastMin = lastHour - h * HOUR;
  const m = Math.floor(lastMin / MIN);
  const s = Math.floor((lastMin - m * MIN) / 1000);
  const mesc = Math.floor(remainingTime % 1000);

  result.day = timeZero(d);
  if (h > 0) {
    result.hour = timeZero(h);
  }
  if (m < 60) {
    result.min = timeZero(m);
  }
  result.sec = timeZero(s);
  result.mesc = String(mesc);

  if (result.mesc.length !== 3) {
    result.mesc = `00${result.mesc}`;
  }

  return result;
}