Nodejs Date Format format(format)

Method Source Code

Date.prototype.format = function(format) 
{ 
    var o = { /*from w ww .  j a  v a 2 s  .c  o m*/
        "M+" : this.getMonth() + 1, 
        "d+" : this.getDate(), 
        "h+" : this.getHours(), 
        "m+" : this.getMinutes(), 
        "s+" : this.getSeconds(), 
        "q+" : Math.floor((this.getMonth() + 3) / 3), 
        "S" : this.getMilliseconds()
    } 
     
    if (/(y+)/.test(format)) 
    { 
        format = format.replace(RegExp.$1, 
            (this.getFullYear() + "").substr(4 - RegExp.$1.length)); 
    } 
     
    for (var k in o) 
    { 
        if (new RegExp("(" + k + ")").test(format)) 
        { 
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : 
                ("00" + o[k]).substr(("" + o[k]).length)); 
        } 
    } 
    return format; 
}

Date.prototype.getLastMonthDateTimestamp = function(year, month) 
{ 
    var ts = new Date(year, month).getTime(); // 1st day of the month
    var lastMonthDate = new Date(ts - 1);
    var max = parseInt(lastMonthDate.getTime() / 1000);
    var min = parseInt(new Date(lastMonthDate.getFullYear(), lastMonthDate.getMonth()).getTime() / 1000);
    return {max:max, min:min};
}

module.exports = Date;

Related

1. format(format)

   Date.prototype.format = function(format) {  
       var o = {  
           "M+" : this.getMonth() + 1, 
           "d+" : this.getDate(), 
           "h+" : this.getHours(), 
           "H+" : (this.getHours() > 12)? (this.getHours() - 12): this.getHours(),
           "N+" : (this.getHours() > 12) ? "PM":"AM",
           "m+" : this.getMinutes(), 
           "s+" : this.getSeconds(), 
   ...
   

2. format(format)

   function formatJsonDateTime(val,formatType) {
       var re = /-?\d+/;
       var m = re.exec(val);
       var d = new Date(parseInt(m[0]));
       return d.format(formatType);
   Date.prototype.format = function (format)
       var o = {
   ...
   

3. format(format)

   Date.prototype.format = function (format)
       var args = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
       };
   ...
   

4. format(format)

   Date.prototype.format = function (format) {
     var o = {
       "M+": this.getMonth() + 1,
       "d+": this.getDate(),
       "h+": this.getHours(),
       'H+': this.getHours(),
       "m+": this.getMinutes(),
       "s+": this.getSeconds(),
       "q+": Math.floor((this.getMonth() + 3) / 3),
   ...
   

5. format(format)

   'use strict'
   const fs = require('fs');
   const path = require('path');
   Date.prototype.format = function(format) {
       let o = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "H+": this.getHours(),
           "m+": this.getMinutes(),
   ...
   

6. format(format)

   Date.prototype.format = function(format) {
     var o = {
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
       "h+" : this.getHours(), 
       "m+" : this.getMinutes(), 
       "s+" : this.getSeconds(), 
       "q+" : Math.floor((this.getMonth() + 3) / 3), 
       "S" : this.getMilliseconds()
   ...
   

7. format(format)

   Date.prototype.format = function(format) {
     if (format === undefined)
       return this.toString();
     var formatSeparator = format.match(/[.\/\-\s].*?/);
     var formatParts     = format.split(/\W+/);
     var result          = '';
     for (var i=0; i<=formatParts.length; i++) {
       switch(formatParts[i]) {
         case 'd':
   ...
   

8. format(format)

   Date.prototype.format = function(format) {
       var o = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
           "q+": Math.floor((this.getMonth() + 3) / 3),
           "S": this.getMilliseconds()
   ...
   

9. format(format)

   Date.prototype.format = function (format) {
       format = format || "yyyy-MM-dd";
       var args = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
           "q+": Math.floor((this.getMonth() + 3) / 3),  
   ...