blog/themes/shockrah.xyz/static/js/sidemenu.js

56 lines
1.5 KiB
JavaScript

(function (window, document) {
// we fetch the elements each time because docusaurus removes the previous
// element references on page navigation
function getElements() {
return {
layout: document.getElementById('layout'),
menu: document.getElementById('menu'),
menuLink: document.getElementById('menuLink')
};
}
function toggleClass(element, className) {
var classes = element.className.split(/\s+/);
var length = classes.length;
var i = 0;
for (; i < length; i++) {
if (classes[i] === className) {
classes.splice(i, 1);
break;
}
}
// The className is not found
if (length === classes.length) {
classes.push(className);
}
element.className = classes.join(' ');
}
function toggleAll() {
var active = 'active';
var elements = getElements();
toggleClass(elements.layout, active);
toggleClass(elements.menu, active);
toggleClass(elements.menuLink, active);
}
function handleEvent(e) {
var elements = getElements();
if (e.target.id === elements.menuLink.id) {
toggleAll();
e.preventDefault();
} else if (elements.menu.className.indexOf('active') !== -1) {
toggleAll();
}
}
document.addEventListener('click', handleEvent);
}(this, this.document));