Nodejs Day Calculate Date.Timecop travelDays(newOffset)

Method Source Code

this.models = {}/*from  w  ww.j a v a 2 s.c  o m*/

Date.Timecop = function() {
  this.daysOffset = 0
}

Date.timecop = new Date.Timecop

Date.Timecop.prototype.travelDays = function(newOffset) {
  this.daysOffset = newOffset
}

Date.Timecop.prototype.now = function() {
  return (new Date).add_days(this.daysOffset)
}

Date.new = function(x) {
  if (x === undefined) { return Date.new(+Date.timecop.now()) }
  return new Date(x)
}

Date.prototype.add_days = function(x) {
  var result = new Date(+this)
  result.setDate(result.getDate() + x)
  return result
}

Date.prototype.dayStart = function() {
  var result = new Date(+this)
  result.setHours(0)
  result.setMinutes(0)
  result.setSeconds(0)
  result.setMilliseconds(0)
  return result
}

Related

1. Date.dayDateFromTime(time)

   Date.dayDateFromTime = function(time) {
       var date = new Date(time);
       date.setHours(0, 0, 0, 0);
       return date;
   };
   

2. DiffInDays(date)

   Date.prototype.DiffInDays = function (date) {
     if(date instanceof Date && !isNaN(date.getTime())) {
       var cDate = this.getTime();
       var tDate = date.getTime();
       var resultMillis = Math.abs(cDate - tDate);
       var result = resultMillis / 1000 / 60 / 60 / 24;
       return result;
     } else {
       console.error(date, " is not a valid date.")
   ...
   

3. MaxDayOfDate(date)

   Date.prototype.MaxDayOfDate = function(date) {
       var nowDate = new Date(date.getFullYear(), date.getMonth() + 1, 0);
       var lastDay = nowDate.getDate();
       return lastDay;
   };
   

4. countDown(withDays)

   Date.prototype.countDown = function(withDays){
       addDays = (typeof withDays === 'undefined') ? true : withDays;
     var timeLeft = (this/1000) - ((new Date())/1000)
     var days, hours, minutes, seconds;
       var timeArray = []
       if(addDays){
        days = parseInt(timeLeft/86400)
          timeArray.push(days)
        timeLeft = timeLeft % 86400
   ...