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morphhtmlnumber.js
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196 lines (174 loc) · 6.48 KB
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/*
* Plugin Name: Morph HTML Number
* Version: 0.5.0
* Plugin URL: https://github.com/Darklg/JavaScriptUtilities
* JavaScriptUtilities Vanilla-JS may be freely distributed under the MIT license.
*/
/* ----------------------------------------------------------
Morph HTML Number
---------------------------------------------------------- */
var morphHTMLNumber = function(options) {
'use strict';
var intervalValue,
interval,
startValue,
isMorphingAttribute = 'data-ismorphing';
if (!options) {
return false;
}
if (options.tagName) {
options = {
el: options
};
}
if (!options.el) {
return false;
}
if (options.el.getAttribute(isMorphingAttribute) == '1') {
return;
}
options.el.setAttribute(isMorphingAttribute, 1);
// Set options
options = this.setOptions(options);
// Get values
startValue = options.startValue;
intervalValue = (options.finalValue - options.startValue) / (options.time / options.intervalDelay);
function callback_number() {
// Set content to 0
options.el.innerHTML = startValue;
// Launch Counter incrementation
interval = setInterval(function set_frame_value() {
startValue += intervalValue;
if (options.isFloat) {
options.el.innerHTML = startValue.toFixed(options.nbDecimals);
}
else {
options.el.innerHTML = Math.ceil(startValue);
}
}, options.intervalDelay);
setTimeout(function set_final_value() {
// Stop counter
clearInterval(interval);
// Set content to final value
if (options.isFloat) {
options.el.innerHTML = options.finalValue.toFixed(options.nbDecimals);
}
else {
options.el.innerHTML = options.finalValue;
}
// Allow relaunch
options.el.setAttribute(isMorphingAttribute, 0);
}, options.time);
}
if(options.waitUntilVisible){
var wasVisible;
var observer = new IntersectionObserver(function(entries) {
entries.forEach(function(entry) {
// Si l'élément est visible et que callback_number n'a pas été appelée avant
if (entry.isIntersecting && !wasVisible) {
callback_number();
wasVisible = true;
observer.unobserve(options.el);
}
});
}, {
root: null,
rootMargin: '0px',
threshold: 0.1
});
observer.observe(options.el);
}
else {
callback_number();
}
};
/* ----------------------------------------------------------
Set Options
---------------------------------------------------------- */
morphHTMLNumber.prototype.setOptions = function(options) {
'use strict';
/* Animation time */
var defaultOptionsTime = 1500,
defaultOptionsTimeAttribute = 'data-morphtime';
if (options.el.getAttribute(defaultOptionsTimeAttribute)) {
defaultOptionsTime = options.el.getAttribute(defaultOptionsTimeAttribute);
}
options.time = options.time || defaultOptionsTime;
/* Interval between frames */
var defaultOptionsIntervalDelay = 25,
defaultOptionsIntervalDelayAttribute = 'data-morphintervaldelay';
if (options.el.getAttribute(defaultOptionsIntervalDelayAttribute)) {
defaultOptionsIntervalDelay = options.el.getAttribute(defaultOptionsIntervalDelayAttribute);
}
options.intervalDelay = options.intervalDelay || defaultOptionsIntervalDelay;
/* Float number */
var defaultOptionIsFloat = false,
defaultOptionIsFloatAttribute = 'data-morphisfloat';
if (options.el.getAttribute(defaultOptionIsFloatAttribute)) {
defaultOptionIsFloat = !!options.el.getAttribute(defaultOptionIsFloatAttribute);
}
options.isFloat = options.isFloat || defaultOptionIsFloat;
/* Reverse value */
var defaultOptionIsReverse = false,
defaultOptionIsReverseAttribute = 'data-morphisreverse';
if (options.el.getAttribute(defaultOptionIsReverseAttribute)) {
defaultOptionIsReverse = !!options.el.getAttribute(defaultOptionIsReverseAttribute);
}
options.isReverse = options.isReverse || defaultOptionIsReverse;
/* Wait Until visible */
var defaultOptionWaitUntilVisible = false,
defaultOptionWaitUntilVisibleAttribute = 'data-morphwaituntilvisible';
if (options.el.getAttribute(defaultOptionWaitUntilVisibleAttribute)) {
defaultOptionWaitUntilVisible = !!options.el.getAttribute(defaultOptionWaitUntilVisibleAttribute);
}
options.waitUntilVisible = options.waitUntilVisible || defaultOptionWaitUntilVisible;
/* Number of decimals if float */
var defaultOptionsNbDecimals = 2,
defaultOptionsNbDecimalsAttribute = 'data-morphnbdecimals';
if (options.el.getAttribute(defaultOptionsNbDecimalsAttribute)) {
defaultOptionsNbDecimals = options.el.getAttribute(defaultOptionsNbDecimalsAttribute);
}
options.nbDecimals = options.nbDecimals || defaultOptionsNbDecimals;
// Final value
var finalValueAttribute = 'data-finalvalue';
if (!options.finalValue) {
if (options.el.getAttribute(finalValueAttribute)) {
options.finalValue = options.el.getAttribute(finalValueAttribute);
}
else {
options.finalValue = options.el.innerHTML;
}
}
options.finalValue = options.finalValue.toString().replace(',', '.');
if (options.isFloat) {
options.finalValue = parseFloat(options.finalValue, 10);
}
else {
options.finalValue = parseInt(options.finalValue, 10);
}
// Final value
var startValueAttribute = 'data-startValue';
if (!options.startValue) {
if (options.el.getAttribute(startValueAttribute)) {
options.startValue = options.el.getAttribute(startValueAttribute);
}
else {
if (options.isReverse) {
options.startValue = 100;
}
else {
options.startValue = 0;
}
}
}
options.startValue = options.startValue.toString().replace(',', '.');
if (options.startValue) {
if (options.isFloat) {
options.startValue = parseFloat(options.startValue, 10);
}
else {
options.startValue = parseInt(options.startValue, 10);
}
}
return options;
};