Nodejs Time Calculate timeAgoInWords(relativeDate)

Method Source Code

/*//from  w w w . j  av  a2  s  .  com
 *    Copyright (c) 2010 Pete O'Grady 
 *    Freely distributable under the terms of the MIT license.
 */

"use strict";
Date.prototype.timeAgoInWords = function (relativeDate) {
    var delta;
    relativeDate = relativeDate || new Date();
    delta = parseInt((relativeDate.getTime() - this) / 1000, 10);
    if (delta < 60) {
        return 'less than a minute ago';
    } else if (delta < 120) {
       return 'about a minute ago';
   } else if (delta < (45 * 60)) {
       return (parseInt(delta / 60, 10)) + ' minutes ago';
   } else if (delta < (90 * 60)) {
       return 'about an hour ago';
   } else if (delta < (24 * 60 * 60)) {
       return 'about ' + (parseInt(delta / 3600, 10)) + ' hours ago';
   } else if (delta < (48 * 60 * 60)) {
       return '1 day ago';
   } else {
       return (parseInt(delta / 86400, 10)) + ' days ago';
   }
};

Related

1. setTimeToNow()

   Date.prototype.setTimeToNow = function () 
       var n = Date.relativeTo || new Date();
       this.setHours(n.getHours());
       this.setMinutes(n.getMinutes());
       this.setSeconds(n.getSeconds());
       this.setMilliseconds(n.getMilliseconds());
       return this;
   

2. time()

   Date.prototype.time = function () {
       return this.getHours().zfill(2) + ":" + this.getMinutes().zfill(2) + ":" + this.getSeconds().zfill(2);
   };
   

3. time()

   Date.prototype.time = function(){
     var hours = this.getHours();
     if (hours === 0 || hours === 24) hours = 12;
     if (hours > 12) hours -= 12;
     var minutes = this.getMinutes();
     if (minutes < 10) minutes = "0" + minutes;
     var ampm = this.getHours() >= 12 ? "pm" : "am";
     return "" + hours + ":" + minutes + ampm;
   

4. time24()

   Date.prototype.time24 = function()
     var hours = "" + this.getHours();
     var minutes = "" + this.getMinutes();
     var seconds = "" + this.getSeconds();
     if(hours.length < 2)
       hours = "0"+hours;
     if(minutes.length < 2)
       minutes = "0"+minutes;
   ...
   

5. timeAgo(date)

   String.prototype.format = function(obj) {
     var args = arguments;
     var str = this;
     return str.replace(/\{[\w\d_-]+\}/g, function(part) {
       part = part.slice(1, -1);
       var index = parseInt(part, 10);
       if (isNaN(index)) {
         return obj[part];
       } else {
   ...
   

6. timeFmt(aDate)

   var timeFmt = function (aDate) {
       if (null == aDate) {
           return "";
       else {
           return new Date(aDate).format("yyyy-MM-dd hh:mm:ss");
   };
   

7. timeSecond()

   Date.prototype.timeSecond = function () {
        return ((this.getSeconds() < 10)?"0":"") + this.getSeconds();
   

8. timeSince(date)

   String.prototype.startsWith = function (str){
     return this.indexOf(str) === 0;
   };
   timeSince = function (date) {
     var seconds = Math.floor((new Date() - date) / 1000);
     var interval = Math.floor(seconds / 31536000);
     if (interval >= 1) {
         if(interval == 1){
           return "about " + interval + " year ago";
   ...
   

9. timeStr()

   var DAY_WIDTH = 100;
   var DAY_HEIGHT = 80;
   var SIDE_DELTA = 2;
   var DAY_HEADING = ["SUN",
                      "MON",
                      "TUE",
                      "WED",
                      "THU",
                      "FRI",
   ...