Nodejs Date Format format(fmt)

Method Source Code

Date.prototype.format = function (fmt) {
    var date = this;

    return fmt.replace(
        /\{([^}:]+)(?::(\d+))?\}/g,//w w  w .j a  v  a2  s . c  o  m
        function (s, comp, pad) {
            var fn = date["get" + comp];

            if (fn) {
                var v = (fn.call(date) +
                    (/Month$/.test(comp) ? 1 : 0)).toString();

                return pad && (pad = pad - v.length)
                    ? new Array(pad + 1).join("0") + v
                    : v;
            } else {
                return s;
            }
        });
};

Related

1. format(dateFormat)

   Date.prototype.format = function (dateFormat) {
       var day = this.getDate();
       var month = this.getMonth() + 1;
       var year = this.getFullYear();
       if (dateFormat === "dd/mm/yyyy")
           return '{0}/{1}/{2}'.format(day, month > 9 ? month : '0' + month, year);
   };
   ...
   

2. 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);
   ...
   

3. 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 ' ';
   ...
   

4. format(f)

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

5. 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) {
   ...
   

6. format(fmt)

   Date.DATETIME_FORMAT = "yyyy-MM-dd hh:mm:ss";
   Date.DATE_FORMAT = "yyyy-MM-dd";
   Date.prototype.format = function(fmt) {
       var o = {
           y: this.getFullYear(),
           M: this.getMonth() + 1,
           d: this.getDate(),
           h: this.getHours(),
           m: this.getMinutes(),
   ...
   

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() 
   ...