Nodejs Date Format format(fmt)

Method Source Code

// javascript file

Date.DATETIME_FORMAT = "yyyy-MM-dd hh:mm:ss";
Date.DATE_FORMAT = "yyyy-MM-dd";

Date.prototype.format = function(fmt) {
    var o = {//from  w ww  . j  a v a 2  s.  c  o  m
        y: this.getFullYear(),
        M: this.getMonth() + 1,
        d: this.getDate(),
        h: this.getHours(),
        m: this.getMinutes(),
        s: this.getSeconds()
    }; 
 
    return fmt.replace(/(y+|M+|d+|h+|m+|s+)/g, function(e) {
        var key = e.charAt(0);
        if (e.length > 1) {
            o[key] = "0" + o[key];
        }
        return (o[key].toString().slice(-(e.length > 2 ? e.length : 2)));
    }); 
}

Related

1. format(f)

   Date.prototype.format = function(f) {
       if (!this.valueOf()) return " ";
       var weekName = ["?", "?", "?", "?", "?", "?", "?"];
       var d = this;
       return f.replace(/(yyyy|yy|MM|dd|E|hh|mm|ss|a\/p)/gi, function($1) {
           switch ($1) {
               case "yyyy": return d.getFullYear();
               case "yy": return (d.getFullYear() % 1000).zf(2);
               case "MM": return (d.getMonth() + 1).zf(2);
   ...
   

2. format(f)

   var gsMonthNames = new Array(
   'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'
   );
   var gsDayNames = new Array(
   'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'
   );
   Date.prototype.format = function (f) {
       if (!this.valueOf())
           return ' ';
   ...
   

3. format(f)

   Date.prototype.format = function(f) {
       if (!this.valueOf()) return " ";
       var weekName = [
           'Sunday',
           'Monday',
           'Tuesday',
           'Wednesday',
           'Thursday',
           'Friday',
   ...
   

4. format(f)

   var DayNames = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday',
               'Friday', 'Saturday');
   var MonthNames = new Array('January','February','March','April','May','June',
               'July', 'August', 'September', 'October', 'November', 'December');
   if(!encodeURIComponent) {
       encodeURIComponent = function(str){ return escape(str); };
       decodeURIComponent = function(str){ return unescape(str); };
   };
   Date.prototype.format = function(f) {
   ...
   

5. format(fmt)

   Date.prototype.format = function (fmt) {
       var date = this;
       return fmt.replace(
           /\{([^}:]+)(?::(\d+))?\}/g,
           function (s, comp, pad) {
               var fn = date["get" + comp];
               if (fn) {
                   var v = (fn.call(date) +
                       (/Month$/.test(comp) ? 1 : 0)).toString();
   ...
   

6. format(fmt)

   Date.prototype.format = function (fmt) {
     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(fmt)

   Date.prototype.format = function (fmt) {
     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(fmt)

   Date.prototype.format = function (fmt) {
     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(fmt)

   Date.prototype.format = function(fmt) {
     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()
   ...