Nodejs Date Format format(format)

Method Source Code

Date.prototype.format = function (format) {
    format = format || "yyyy-MM-dd";
    var args = {//from   ww w  .ja v a2s .  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),  //quarter
        "S": this.getMilliseconds()
    };
    if (/(y+)/.test(format))
        format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    for (var i in args) {
        var n = args[i];
        if (new RegExp("(" + i + ")").test(format))
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? n : ("00" + n).substr(("" + n).length));
    }
    return format;
};

Related

1. 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(),
   ...
   

2. 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), 
   ...
   

3. 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()
   ...
   

4. 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':
   ...
   

5. 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()
   ...
   

6. format(format)

   Date.prototype.format = function(format) 
     var monName = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
     var dayName = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ];
     var o = {
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
       "h+" : this.getHours(), 
       "i+" : this.getHours() + 1, 
   ...
   

7. format(format)

   Date.prototype.format = function(format) {
     var self = this;
     var h = self.getHours();
     var m = self.getMinutes().toString();
     var s = self.getSeconds().toString();
     var M = (self.getMonth() + 1).toString();
     var yyyy = self.getFullYear().toString();
     var yy = self.getYear().toString();
     var d = self.getDate().toString();
   ...
   

8. format(format)

   var fs = require('fs');
   var readline = require('readline');
   Date.prototype.format = function(format) {
     var o = {
       "M+" : this.getMonth()+1, 
       "d+" : this.getDate(),    
       "h+" : this.getHours(),   
       "m+" : this.getMinutes(), 
       "s+" : this.getSeconds(), 
   ...
   

9. format(format,date)

   Date.prototype.format = function(format,date){
       if(!format || typeof format !== 'string'){
       throw new Error('format is undefiend or type is Error');
     date = date instanceof Date? date : (typeof date === 'number'|| typeof date === 'string')? new Date(date): new Date();
     var formatReg = {
       'y+': date.getFullYear(),
       'M+': date.getMonth()+1,
       'd+': date.getDate(),
   ...