Nodejs Day Calculate yestoday(pattern)

Method Source Code

Date.prototype.yestoday = function(pattern){
    return this.past(pattern,1);
};

Related

1. shiftDays(days)

   Date.prototype.shiftDays = function(days){    
     days = parseInt(days, 10);
     this.setDate(this.getDate() + days);
     return this;
   $date = new Date(2014, 9, 16,0,1);
   $date.shiftDays(1);
   console.log($date-"");
   $date.shiftDays(1);
   ...
   

2. subDays(value)

   Date.parseDate = function (date, format) {
     if (format === undefined)
       format = 'Y-mm-dd';
     return new Date(moment(date, format).valueOf());
   };
   Date.prototype.subDays = function (value) {
     this.setDate(this.getDate() - value);
     return this;
   };
   ...
   

3. subDays(value)

   Date.prototype.subDays = function(value) {
     this.setDate(this.getDate() - value);
     return this;
   };
   

4. subtract(days)

   const times = [1000, 10000, 100000, 1000000, 5000000];
   let x = 0;
   Date.prototype.subtract = function(days) {
     return new Date(this.setDate(this.getDate() - days));
   for(i in times) {
     console.time('monkeypatch ' + times[i]);
     while (x < times[i]) {
       x++;
   ...
   

5. subtractDays(days)

   Date.prototype.subtractDays=function(days){
       if (arguments.length===1){
           if (typeof days !== 'number') return;
           this.setDate(this.getDate() - days);
           return this;
       return this;