時間戳顯示格式為幾天前、幾分鍾前、幾秒前---vue過濾器

//時間顯示問題（幾天前、幾分鍾前）
Vue.filter('fomatTime', function (valueTime) {

  if(valueTime){
    var newData =  Date.parse(new Date());
    var diffTime = Math.abs(newData-valueTime);
    if (diffTime > 7 * 24 * 3600 * 1000) {
      var date = new Date(valueTime);
      var y = date.getFullYear();
      var m = date.getMonth() + 1;
      m = m < 10 ? ('0' + m) : m;
      var d = date.getDate();
      d = d < 10 ? ('0' + d) : d;
      var h = date.getHours();
      h = h < 10 ? ('0' + h) : h;
      var minute = date.getMinutes();
      var second = date.getSeconds();
      minute = minute < 10 ? ('1' + minute) : minute;
      second = second < 10 ? ('0' + second) : second;
      return  m + '-' + d+' '+h+':'+minute;

    } else if (diffTime < 7 * 24 * 3600 * 1000 && diffTime > 24 * 3600 * 1000) {
      // //注釋("一周之內");

      // var time = newData - diffTime;
      var dayNum = Math.floor(diffTime / (24 * 60 * 60 * 1000));
      return dayNum + "天前";

    } else if (diffTime < 24 * 3600 * 1000 && diffTime > 3600 * 1000) {
      // //注釋("一天之內");
      // var time = newData - diffTime;
      var dayNum = Math.floor(diffTime / (60 * 60 * 1000));
      return dayNum + "小時前";

    } else if (diffTime < 3600 * 1000 && diffTime > 0) {
      // //注釋("一小時之內");
      // var time = newData - diffTime;
      var dayNum = Math.floor(diffTime / (60 * 1000));
      return dayNum + "分鍾前";

    }
  }
});