Nodejs Date Convert toDateStr()

Method Source Code

/*//from  ww w. ja v a  2 s .c om
 * Power up the Date prototype with some toString functions
 */

function _pad(n, size){
   return ('00000' + n).slice(-size);
}

Date.prototype.toDateStr = function() {
   return this.getFullYear() 
      + '-' + _pad((this.getMonth()+1), 2)
      + '-' + _pad(this.getDate(), 2);
};

Date.prototype.toTimeStr = function() {
   return _pad(this.getHours(), 2)
      + ':' + _pad(this.getMinutes(), 2)
      + ':' + _pad(this.getSeconds(), 2);
};

Date.prototype.toDateAndTimeStr = function() {
   return this.toDateStr() + ' ' + this.toTimeStr();
};

Date.prototype.getWeek = function() {
    var onejan = new Date(this.getFullYear(), 0, 1);
    return Math.ceil((((this - onejan) / 86400000) + onejan.getDay()+1)/7);
}

Related

1. toDateInputValue(()

   Date.prototype.toDateInputValue = (function() {
       var local = new Date(this);
       local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
       return local.toJSON().slice(0, 10);
   });
   

2. toDateInputValue(()

   Date.prototype.toDateInputValue = (function() {
     var local = new Date();
     return local.toJSON().slice(0,10);
   });
   

3. toDateInputValue()

   'use strict';
   Date.prototype.toDateInputValue = function() {
       var local = new Date(this);
       local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
       return local.toJSON().slice(0,10);
   };
   

4. toDateOrDefault(input, defaultDate)

   Date.toDateOrDefault = function(input, defaultDate){
     return (typeof input == "string") ? Date.fromJSON(input) : input || defaultDate || new Date(); 
   };
   

5. toDateOrTimeStr()

   Date.prototype.toDateOrTimeStr = function() {
     if (this.isToday()){
       var dt = this.toLocaleTimeString();
       return dt.slice(0, -6) + dt.slice(-3); 
     } else
       return this.toLocaleDateString();
   

6. toDateTimeFormat()

   Date.prototype.toDateTimeFormat = function() {
     var year = this.getFullYear().toString();
     var month = (this.getMonth() + 1).toString();
     var day = this.getDate().toString();
     var hour = this.getHours().toString();
     var minute = this.getMinutes().toString();
     var second = this.getSeconds().toString();
     return year + '-' + (month[1] ? month : '0'+month[0]) + '-'+ (day[1] ? day : '0'+day[0]) + ' ' + (hour[1] ? hour : '0'+hour[0]) + ':' + (minute[1] ? minute : '0'+minute[0]) + ':' + (second[1] ? second : '0'+second[0]);
   

7. toEndTimeInputValue(()

   Date.prototype.toEndTimeInputValue = (function() {
     var local = new Date(this);
     local.setMinutes(this.getMinutes() - this.getTimezoneOffset() + 60);
     return local.toJSON().slice(11,13) + ":00:00";
   });
   

8. toFixedDate()

   Date.prototype.toFixedDate = function(){
     var months = [
       "January", "February", "March",
       "April", "May", "June",
       "Sol",
       "July", "August", "September",
       "October", "November", "December"
     ]
     var daysOfWeek = ["Sunday", "Monday", "Tuesday", "Wednesday",
   ...
   

9. toFormat(format)

   Date.prototype.toFormat = function (format) {
     format = format.replace(/H/, this.getHours());
     format = format.replace(/m/, this.getMinutes());
     format = format.replace(/s/, this.getSeconds());
     return format;
   };