Nodejs Date Format format(format)

Method Source Code

'use strict'/*from   w w w .  ja  va  2s .c  o m*/

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(),
        "s+": this.getSeconds(),
        "q+": Math.floor(Math.floor(this.getMonth()+3)/3),
        "f+": this.getMilliseconds()
    }

    if (/(y+)/.test(format)) {
        format = format.replace(RegExp.$1,(this.getFullYear()+"").substr(4 - RegExp.$1.length));
    }

    for (let key in o) {
        if (new RegExp(`(${key})`).test(format)) {
            format = format.replace(RegExp.$1, (RegExp.$1.length ==1) ?(o[key]): (('' + o[key]).length === 2 ? o[key]: ('0' + o[key])));

        }
    }
    return format;
}

Related

1. 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() 
   ...
   

2. 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(), 
   ...
   

3. 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 = {
   ...
   

4. 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(),
       };
   ...
   

5. 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),
   ...
   

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), 
   ...
   

7. 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()
   ...
   

8. 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':
   ...
   

9. 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()
   ...