File: /home/lucendi/www/wp-content/plugins/mesmerize-companion/theme-data/mesmerize/assets/js/countup.js
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define(factory);
} else if (typeof exports === 'object') {
module.exports = factory(require, exports, module);
} else {
root.CountUp = factory();
}
}(this, function (require, exports, module) {
/*
countUp.js
by @inorganik
*/
// target = id of html element or var of previously selected html element where counting occurs
// startVal = the value you want to begin at
// endVal = the value you want to arrive at
// decimals = number of decimal places, default 0
// duration = duration of animation in seconds, default 2
// options = optional object of options (see below)
var CountUp = function (target, startVal, endVal, decimals, duration, options) {
var self = this;
self.version = function () {
return '1.9.1';
};
// default options
self.options = {
useEasing: true, // toggle easing
useGrouping: true, // 1,000,000 vs 1000000
separator: ',', // character to use as a separator
decimal: '.', // character to use as a decimal
easingFn: easeOutExpo, // optional custom easing function, default is Robert Penner's easeOutExpo
formattingFn: formatNumber, // optional custom formatting function, default is formatNumber above
prefix: '', // optional text before the result
suffix: '', // optional text after the result
numerals: [], // optionally pass an array of custom numerals for 0-9
onUpdate: false
};
// extend default options with passed options object
if (options && typeof options === 'object') {
for (var key in self.options) {
if (options.hasOwnProperty(key) && options[key] !== null) {
self.options[key] = options[key];
}
}
}
if (self.options.separator === '') self.options.useGrouping = false;
// make sure requestAnimationFrame and cancelAnimationFrame are defined
// polyfill for browsers without native support
// by Opera engineer Erik Möller
var lastTime = 0;
var vendors = ['webkit', 'moz', 'ms', 'o'];
for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
window.cancelAnimationFrame =
window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];
}
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function (callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function () {
callback(currTime + timeToCall);
},
timeToCall);
lastTime = currTime + timeToCall;
return id;
};
}
if (!window.cancelAnimationFrame) {
window.cancelAnimationFrame = function (id) {
clearTimeout(id);
};
}
function formatNumber(num) {
num = num.toFixed(self.decimals);
num += '';
var x, x1, x2, rgx;
x = num.split('.');
x1 = x[0];
x2 = x.length > 1 ? self.options.decimal + x[1] : '';
rgx = /(\d+)(\d{3})/;
if (self.options.useGrouping) {
while (rgx.test(x1)) {
x1 = x1.replace(rgx, '$1' + self.options.separator + '$2');
}
}
// optional numeral substitution
if (self.options.numerals.length) {
x1 = x1.replace(/[0-9]/g, function (w) {
return self.options.numerals[+w];
})
x2 = x2.replace(/[0-9]/g, function (w) {
return self.options.numerals[+w];
})
}
return self.options.prefix + x1 + x2 + self.options.suffix;
}
// Robert Penner's easeOutExpo
function easeOutExpo(t, b, c, d) {
return c * (-Math.pow(2, -10 * t / d) + 1) * 1024 / 1023 + b;
}
function ensureNumber(n) {
return (typeof n === 'number' && !isNaN(n));
}
self.initialize = function () {
if (self.initialized) return true;
self.error = '';
self.d = (typeof target === 'string') ? document.getElementById(target) : target;
if (!self.d) {
self.error = '[CountUp] target is null or undefined'
return false;
}
self.startVal = Number(startVal);
self.endVal = Number(endVal);
// error checks
if (ensureNumber(self.startVal) && ensureNumber(self.endVal)) {
self.decimals = Math.max(0, decimals || 0);
self.dec = Math.pow(10, self.decimals);
self.duration = Number(duration) * 1000 || 4000;
self.countDown = (self.startVal > self.endVal);
self.frameVal = self.startVal;
self.initialized = true;
return true;
}
else {
self.error = '[CountUp] startVal (' + startVal + ') or endVal (' + endVal + ') is not a number';
return false;
}
};
// Print value to target
self.printValue = function (value) {
var result = self.options.formattingFn(value);
// var sizeKeeper = self.options.formattingFn(endVal);
// sizeKeeper = '<span style="visibility: hidden;display: block;line-height: 0px;height: 0px;overflow: hidden;">'+sizeKeeper+'</span>';
// result = sizeKeeper+result;
if (self.d.tagName === 'INPUT') {
this.d.value = result;
}
else if (self.d.tagName === 'text' || self.d.tagName === 'tspan') {
this.d.textContent = result;
}
else {
this.d.innerHTML = result;
}
};
self.count = function (timestamp) {
if (!self.startTime) {
self.startTime = timestamp;
}
self.timestamp = timestamp;
var progress = timestamp - self.startTime;
self.remaining = self.duration - progress;
// to ease or not to ease
if (self.options.useEasing) {
if (self.countDown) {
self.frameVal = self.startVal - self.options.easingFn(progress, 0, self.startVal - self.endVal, self.duration);
} else {
self.frameVal = self.options.easingFn(progress, self.startVal, self.endVal - self.startVal, self.duration);
}
} else {
if (self.countDown) {
self.frameVal = self.startVal - ((self.startVal - self.endVal) * (progress / self.duration));
} else {
self.frameVal = self.startVal + (self.endVal - self.startVal) * (progress / self.duration);
}
}
// don't go past endVal since progress can exceed duration in the last frame
if (self.countDown) {
self.frameVal = (self.frameVal < self.endVal) ? self.endVal : self.frameVal;
} else {
self.frameVal = (self.frameVal > self.endVal) ? self.endVal : self.frameVal;
}
// decimal
self.frameVal = Math.round(self.frameVal * self.dec) / self.dec;
// format and print value
self.printValue(self.frameVal);
if (self.options.onUpdate) {
self.options.onUpdate(self.frameVal);
}
// whether to continue
if (progress < self.duration) {
self.rAF = requestAnimationFrame(self.count);
} else {
if (self.callback) self.callback();
}
};
// start your animation
self.start = function (callback) {
if (!self.initialize()) return;
self.callback = callback;
self.rAF = requestAnimationFrame(self.count);
};
// toggles pause/resume animation
self.pauseResume = function () {
if (!self.paused) {
self.paused = true;
cancelAnimationFrame(self.rAF);
} else {
self.paused = false;
delete self.startTime;
self.duration = self.remaining;
self.startVal = self.frameVal;
requestAnimationFrame(self.count);
}
};
// reset to startVal so animation can be run again
self.reset = function () {
self.paused = false;
delete self.startTime;
self.initialized = false;
if (self.initialize()) {
cancelAnimationFrame(self.rAF);
self.printValue(self.startVal);
}
};
// pass a new endVal and start animation
self.update = function (newEndVal) {
if (!self.initialize()) return;
newEndVal = Number(newEndVal);
if (!ensureNumber(newEndVal)) {
self.error = '[CountUp] update() - new endVal is not a number: ' + newEndVal;
return;
}
self.error = '';
if (newEndVal === self.frameVal) return;
cancelAnimationFrame(self.rAF);
self.paused = false;
delete self.startTime;
self.startVal = self.frameVal;
self.endVal = newEndVal;
self.countDown = (self.startVal > self.endVal);
self.rAF = requestAnimationFrame(self.count);
};
// format startVal on initialization
if (self.initialize()) self.printValue(self.startVal);
};
return CountUp;
}));