Nodejs Date ISO Format rfc822date()

Method Source Code

/**/*from  w w  w.j  a v  a  2 s  .  c  om*/
* @author wilburlo@gmail.com Daniel Lo
* @license MIT License. See LICENSE.txt
*/
/*jslint devel: true, undef: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: true */
/*global __dirname, require, setTimeout, clearTimeout */
"use strict";

// I do not like modifying global prototypes.. but I will make an exception in this case
Date.prototype.rfc822date = function() {
    var weekday_name = { 0:'Sun', 1:'Mon', 2:'Tue', 3:'Wed', 4:'Thu', 5:'Fri', 6: 'Sat' };
    var month_name = { 0:'Jan', 1:'Feb', 2:'Mar', 3:'Apr', 4:'May', 5:'Jun', 6: 'Jul', 7:'Aug', 8:'Sep', 9:'Oct', 10:'Nov', 11:'Dec' };

    // argh.. rfc822 requires digits to be zero prefixed
    var zeropad = function(num, length) {
        if ( length === undefined ) {
            length = 2;
        }

        var add = length - num.toString().length;
        var zeros = '';
        for (var i = 0; i < add; i+=1 ) {
            zeros += '0';
        }
        return zeros + num;
    };

    return weekday_name[this.getUTCDay()] + ', ' +
    this.getUTCDate() + ' ' +
    month_name[this.getUTCMonth()] + ' ' +
    this.getUTCFullYear() + ' ' +
    zeropad(this.getUTCHours()) + ':' +
    zeropad(this.getUTCMinutes()) + ':' +
    zeropad(this.getUTCSeconds()) + ' UTC';
};

Related

1. isoDate()

   Date.prototype.isoDate = function() {
     return this.getFullYear() + "-" + (parseInt(this.getMonth())+1) + "-" + this.getDate();
   

2. isoDate()

   Date.prototype.isoDate = function(){
     var d = this;
     return d.year();
   function toJSArray(arr) {
     var len = [arr count],
         res = [];
     while(len--){
       res.push(arr[len]);
   ...
   

3. rfc3339()

   function f(n) {
       return n < 10 ? '0' + n : n;
   Date.prototype.rfc3339 = function() {
       return this.getUTCFullYear()   + '-' +
            f(this.getUTCMonth() + 1) + '-' +
            f(this.getUTCDate())      + 'T' +
            f(this.getUTCHours())     + ':' +
            f(this.getUTCMinutes())   + ':' +
   ...
   

4. rfc3339()

   function f(n) { 
       return n < 10 ? '0' + n : n;
   Date.prototype.rfc3339 = function() {
       return this.getUTCFullYear() + '-' +
            f(this.getUTCMonth() + 1) + '-' +
            f(this.getUTCDate()) + 'T' +
            f(this.getUTCHours()) + ':' +
            f(this.getUTCMinutes()) + ':' +
   ...
   

5. rfc3339()

   function f(n) {    
       return n < 10 ? '0' + n : n;
   Date.prototype.rfc3339 = function() {
       return this.getUTCFullYear()   + '-' +
            f(this.getUTCMonth() + 1) + '-' +
            f(this.getUTCDate())      + 'T' +
            f(this.getUTCHours())     + ':' +
            f(this.getUTCMinutes())   + ':' +
   ...
   

6. toISO8601String(format, offset)

   Date.prototype.toISO8601String = function (format, offset) {
       if (!format) { var format = 6; }
       if (!offset) {
           var offset = 'Z';
           var date = this;
       } else {
           var d = offset.match(/([-+])([0-9]{2}):([0-9]{2})/);
           var offsetnum = (Number(d[2]) * 60) + Number(d[3]);
           offsetnum *= ((d[1] == '-') ? -1 : 1);
   ...
   

7. toISO8601String(offset)

   Date.prototype.toISO8601String = function (offset) {
       if (!offset) {
           var offset = 'Z';
           var date = this;
       } else {
           var d = offset.match(/([-+])([0-9]{2}):([0-9]{2})/);
           var offsetnum = (Number(d[2]) * 60) + Number(d[3]);
           offsetnum *= ((d[1] == '-') ? -1 : 1);
           var date = new Date(Number(Number(this) + (offsetnum * 60000)));
   ...
   

8. toISODateString()

   Date.prototype.toISODateString = function() {
       function pad(n){
           return n < 10 ? '0' + n : n
       function pad3(n){
           if (n < 10) return '00' + n;
           if (n < 100) return '0' + n;
           return n;
       return this.getUTCFullYear()+'-'
       + pad(this.getUTCMonth()+1)+'-'
       + pad(this.getUTCDate())+'T'
       + pad(this.getUTCHours())+':'
       + pad(this.getUTCMinutes())+':'
       + pad(this.getUTCSeconds())+'.'
       + pad3(this.getUTCMilliseconds())+'Z'
   

9. toISOLocalString()

   Date.prototype.toISOLocalString = function() {
       if ( this.toString() === 'Invalid Date' ) {
           return this.toString();
       return new Date( this.getTime() - ( this.getTimezoneOffset() * 60 * 1000 ) ).toISOString()
           .replace( 'Z', this.getTimezoneOffsetAsTime() );
   };
   Date.prototype.getTimezoneOffsetAsTime = function() {
       var offsetMinutesTotal;
   ...