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Created January 24, 2020 00:12
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jquery.countdown.js
/*!
* The Final Countdown for jQuery v2.2.0 (http://hilios.github.io/jQuery.countdown/)
* Copyright (c) 2016 Edson Hilios
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
(function(factory) {
"use strict";
if (typeof define === "function" && define.amd) {
define([ "jquery" ], factory);
} else {
factory(jQuery);
}
})(function($) {
"use strict";
var instances = [], matchers = [], defaultOptions = {
precision: 100,
elapse: false,
defer: false
};
matchers.push(/^[0-9]*$/.source);
matchers.push(/([0-9]{1,2}\/){2}[0-9]{4}( [0-9]{1,2}(:[0-9]{2}){2})?/.source);
matchers.push(/[0-9]{4}([\/\-][0-9]{1,2}){2}( [0-9]{1,2}(:[0-9]{2}){2})?/.source);
matchers = new RegExp(matchers.join("|"));
function parseDateString(dateString) {
if (dateString instanceof Date) {
return dateString;
}
if (String(dateString).match(matchers)) {
if (String(dateString).match(/^[0-9]*$/)) {
dateString = Number(dateString);
}
if (String(dateString).match(/\-/)) {
dateString = String(dateString).replace(/\-/g, "/");
}
return new Date(dateString);
} else {
throw new Error("Couldn't cast `" + dateString + "` to a date object.");
}
}
var DIRECTIVE_KEY_MAP = {
Y: "years",
m: "months",
n: "daysToMonth",
d: "daysToWeek",
w: "weeks",
W: "weeksToMonth",
H: "hours",
M: "minutes",
S: "seconds",
D: "totalDays",
I: "totalHours",
N: "totalMinutes",
T: "totalSeconds"
};
function escapedRegExp(str) {
var sanitize = str.toString().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
return new RegExp(sanitize);
}
function strftime(offsetObject) {
return function(format) {
var directives = format.match(/%(-|!)?[A-Z]{1}(:[^;]+;)?/gi);
if (directives) {
for (var i = 0, len = directives.length; i < len; ++i) {
var directive = directives[i].match(/%(-|!)?([a-zA-Z]{1})(:[^;]+;)?/), regexp = escapedRegExp(directive[0]), modifier = directive[1] || "", plural = directive[3] || "", value = null;
directive = directive[2];
if (DIRECTIVE_KEY_MAP.hasOwnProperty(directive)) {
value = DIRECTIVE_KEY_MAP[directive];
value = Number(offsetObject[value]);
}
if (value !== null) {
if (modifier === "!") {
value = pluralize(plural, value);
}
if (modifier === "") {
if (value < 10) {
value = "0" + value.toString();
}
}
format = format.replace(regexp, value.toString());
}
}
}
format = format.replace(/%%/, "%");
return format;
};
}
function pluralize(format, count) {
var plural = "s", singular = "";
if (format) {
format = format.replace(/(:|;|\s)/gi, "").split(/\,/);
if (format.length === 1) {
plural = format[0];
} else {
singular = format[0];
plural = format[1];
}
}
if (Math.abs(count) > 1) {
return plural;
} else {
return singular;
}
}
var Countdown = function(el, finalDate, options) {
this.el = el;
this.$el = $(el);
this.interval = null;
this.offset = {};
this.options = $.extend({}, defaultOptions);
this.firstTick = true;
this.instanceNumber = instances.length;
instances.push(this);
this.$el.data("countdown-instance", this.instanceNumber);
if (options) {
if (typeof options === "function") {
this.$el.on("update.countdown", options);
this.$el.on("stoped.countdown", options);
this.$el.on("finish.countdown", options);
} else {
this.options = $.extend({}, defaultOptions, options);
}
}
this.setFinalDate(finalDate);
if (this.options.defer === false) {
this.start();
}
};
$.extend(Countdown.prototype, {
start: function() {
if (this.interval !== null) {
clearInterval(this.interval);
}
var self = this;
this.update();
this.interval = setInterval(function() {
self.update.call(self);
}, this.options.precision);
},
stop: function() {
clearInterval(this.interval);
this.interval = null;
this.dispatchEvent("stoped");
},
toggle: function() {
if (this.interval) {
this.stop();
} else {
this.start();
}
},
pause: function() {
this.stop();
},
resume: function() {
this.start();
},
remove: function() {
this.stop.call(this);
instances[this.instanceNumber] = null;
delete this.$el.data().countdownInstance;
},
setFinalDate: function(value) {
this.finalDate = parseDateString(value);
},
update: function() {
if (this.$el.closest("html").length === 0) {
this.remove();
return;
}
var now = new Date(), newTotalSecsLeft;
newTotalSecsLeft = this.finalDate.getTime() - now.getTime();
newTotalSecsLeft = Math.ceil(newTotalSecsLeft / 1e3);
newTotalSecsLeft = !this.options.elapse && newTotalSecsLeft < 0 ? 0 : Math.abs(newTotalSecsLeft);
if (this.totalSecsLeft === newTotalSecsLeft || this.firstTick) {
this.firstTick = false;
return;
} else {
this.totalSecsLeft = newTotalSecsLeft;
}
this.elapsed = now >= this.finalDate;
this.offset = {
seconds: this.totalSecsLeft % 60,
minutes: Math.floor(this.totalSecsLeft / 60) % 60,
hours: Math.floor(this.totalSecsLeft / 60 / 60) % 24,
days: Math.floor(this.totalSecsLeft / 60 / 60 / 24) % 7,
daysToWeek: Math.floor(this.totalSecsLeft / 60 / 60 / 24) % 7,
daysToMonth: Math.floor(this.totalSecsLeft / 60 / 60 / 24 % 30.4368),
weeks: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 7),
weeksToMonth: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 7) % 4,
months: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 30.4368),
years: Math.abs(this.finalDate.getFullYear() - now.getFullYear()),
totalDays: Math.floor(this.totalSecsLeft / 60 / 60 / 24),
totalHours: Math.floor(this.totalSecsLeft / 60 / 60),
totalMinutes: Math.floor(this.totalSecsLeft / 60),
totalSeconds: this.totalSecsLeft
};
if (!this.options.elapse && this.totalSecsLeft === 0) {
this.stop();
this.dispatchEvent("finish");
} else {
this.dispatchEvent("update");
}
},
dispatchEvent: function(eventName) {
var event = $.Event(eventName + ".countdown");
event.finalDate = this.finalDate;
event.elapsed = this.elapsed;
event.offset = $.extend({}, this.offset);
event.strftime = strftime(this.offset);
this.$el.trigger(event);
}
});
$.fn.countdown = function() {
var argumentsArray = Array.prototype.slice.call(arguments, 0);
return this.each(function() {
var instanceNumber = $(this).data("countdown-instance");
if (instanceNumber !== undefined) {
var instance = instances[instanceNumber], method = argumentsArray[0];
if (Countdown.prototype.hasOwnProperty(method)) {
if (instance !== undefined) {instance.setFinalDate.call(instance, method);}
} else if (String(method).match(/^[$A-Z_][0-9A-Z_$]*$/i) === null) {
instance.setFinalDate.call(instance, method);
instance.start();
} else {
$.error("Method %s does not exist on jQuery.countdown".replace(/\%s/gi, method));
}
} else {
new Countdown(this, argumentsArray[0], argumentsArray[1]);
}
});
};
});
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