https://www.diyticket.it/js/js/countdown.js

1!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;"undefined"!=typeof window?n=window:"undefined"!=typeof global?n=global:"undefined"!=typeof self&&(n=self),n.Countdown=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
2var defaultOptions = {
3  date: "June 7, 2087 15:03:25",
4  refresh: 1000,
5  offset: 0,
6  onEnd: function() {
7    return;
8  },
9  render: function (date) {
10    this.el.innerHTML = date.years + " years, " +
11                        date.days  + " days, " +
12                        this.leadingZeros(date.hours) + " hours, " +
13                        this.leadingZeros(date.min) + " min and " +
14                        this.leadingZeros(date.sec) + " sec";
15  }
16};
17
18/**
19 * Countdown constructor
20 * @param {HTMLElement} el      DOM node of the countdown
21 * @param {Object}      options (optional) Options for the plugin
22 */
23var Countdown = function(el, options) {
24
25  /**
26   * Reference to the DOM element
27   * @type {HTMLElement}
28   */
29  this.el = el;
30
31  /**
32   * Options of the countdown plugin
33   * @type {Object}
34   */
35  this.options = {};
36
37  /**
38   * Interval reference or false if counter is stopped
39   * @type {Mixed}
40   */
41  this.interval = false;
42
43  // merge default options and options into this.options
44  for (var i in defaultOptions) {
45    if (defaultOptions.hasOwnProperty(i)) {
46      this.options[i] = typeof options[i] !== 'undefined' ? options[i] : defaultOptions[i];
47
48      if (i === 'date' && typeof this.options.date !== 'object') {
49        this.options.date = new Date(this.options.date);
50      }
51
52      // bind context for functions
53      if (typeof this.options[i] === 'function') {
54        this.options[i] = this.options[i].bind(this);
55      }
56    }
57  }
58
59  /**
60   * Get the difference between now and the end date
61   * @return {Object} Object with the diff information (years, days, hours, min, sec, millisec)
62   */
63  this.getDiffDate = function() {
64    var diff = (this.options.date.getTime() - Date.now() + this.options.offset) / 1000;
65
66    var dateData = {
67      years:    0,
68      days:     0,
69      hours:    0,
70      min:      0,
71      sec:      0,
72      millisec: 0
73    };
74
75    if (diff <= 0) {
76      if (this.interval) {
77        this.stop();
78        this.options.onEnd();
79      }
80      return dateData;
81    }
82
83    if (diff >= (365.25 * 86400)) {
84      dateData.years = Math.floor(diff / (365.25 * 86400));
85      diff -= dateData.years * 365.25 * 86400;
86    }
87
88    if (diff >= 86400) {
89      dateData.days = Math.floor(diff / 86400);
90      diff -= dateData.days * 86400;
91    }
92
93    if (diff >= 3600) {
94      dateData.hours = Math.floor(diff / 3600);
95      diff -= dateData.hours * 3600;
96    }
97
98    if (diff >= 60) {
99      dateData.min = Math.floor(diff / 60);
100      diff -= dateData.min * 60;
101    }
102
103    dateData.sec = Math.round(diff);
104
105    dateData.millisec = diff % 1 * 1000;
106
107    return dateData;
108  }.bind(this);
109
110  /**
111   * Add leading zeros to a number
112   * @param  {Number} num    Input number
113   * @param  {Number} length Length of the desired output
114   * @return {String}        String of the desired length with leading zeros
115   */
116  this.leadingZeros = function(num, length) {
117    length = length || 2;
118    num = String(num);
119    if (num.length > length) {
120      return num;
121    }
122    return (Array(length + 1).join('0') + num).substr(-length);
123  };
124
125  /**
126   * Update the end date of the countdown
127   * @param  {Mixed}     newDate Date object or a String/Number that can be passed to the Date constructor
128   * @return {Countdown}         Countdown instance
129   */
130  this.update = function(newDate) {
131    if (typeof newDate !== 'object') {
132      newDate = new Date(newDate);
133    }
134    this.options.date = newDate;
135    this.render();
136    return this;
137  }.bind(this);
138
139  /**
140   * Stop the countdown refresh / rerender
141   * @return {Countdown} Countdown instance
142   */
143  this.stop = function() {
144    if (this.interval) {
145      clearInterval(this.interval);
146      this.interval = false;
147    }
148    return this;
149  }.bind(this);
150
151  /**
152   * Render the countdown
153   * @return {Countdown} Countdown instance
154   */
155  this.render = function() {
156    this.options.render(this.getDiffDate());
157    return this;
158  }.bind(this);
159
160  /**
161   * Start the countdown
162   * @return {Countdown} Countdown instance
163   */
164  this.start = function() {
165    // don't start if the countdown is already started
166    if (this.interval) { return; }
167
168    this.render();
169
170    if (this.options.refresh) {
171      this.interval = setInterval(this.render, this.options.refresh);
172    }
173
174    return this;
175  }.bind(this);
176
177  /**
178   * Update the offset
179   * @param  {Number}    offset New offset in ms
180   * @return {Countdown}        Countdown instance
181   */
182  this.updateOffset = function(offset) {
183    this.options.offset = offset;
184    return this;
185  }.bind(this);
186
187
188  // initial start of the countdown or initial render
189  this.start();
190};
191
192module.exports = Countdown;
193
194},{}],2:[function(require,module,exports){
195var Countdown = require('./countdown.js');
196var NAME = 'countdown';
197var DATA_ATTR = 'date';
198
199jQuery.fn.countdown = function(options) {
200  return $.each(this, function(i, el) {
201    var $el = $(el);
202    if (!$el.data(NAME)) {
203      // allow setting the date via the data-date attribute
204      if ($el.data(DATA_ATTR)) {
205        options.date = $el.data(DATA_ATTR);
206      }
207      $el.data(NAME, new Countdown(el, options));
208    }
209  });
210};
211
212module.exports = Countdown;
213
214},{"./countdown.js":1}]},{},[2])(2)
215});