ghost-theme-sd.ai/assets/js/dropdown.js

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JavaScript
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function dropdown() {
const mediaQuery = window.matchMedia('(max-width: 767px)');
const head = document.querySelector('.gh-navigation');
const menu = head.querySelector('.gh-navigation-menu');
const nav = menu?.querySelector('.nav');
if (!nav) return;
const logo = document.querySelector('.gh-navigation-logo');
const navHTML = nav.innerHTML;
if (mediaQuery.matches) {
const items = nav.querySelectorAll('li');
items.forEach(function (item, index) {
item.style.transitionDelay = `${0.03 * (index + 1)}s`;
});
}
const makeDropdown = function () {
if (mediaQuery.matches) return;
const submenuItems = [];
while ((nav.offsetWidth + 64) > menu.offsetWidth) {
if (nav.lastElementChild) {
submenuItems.unshift(nav.lastElementChild);
nav.lastElementChild.remove();
} else {
break;
}
}
if (!submenuItems.length) {
head.classList.add('is-dropdown-loaded');
return;
}
const toggle = document.createElement('button');
toggle.setAttribute('class', 'gh-more-toggle gh-icon-button');
toggle.setAttribute('aria-label', 'More');
toggle.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="currentColor"><path d="M21.333 16c0-1.473 1.194-2.667 2.667-2.667v0c1.473 0 2.667 1.194 2.667 2.667v0c0 1.473-1.194 2.667-2.667 2.667v0c-1.473 0-2.667-1.194-2.667-2.667v0zM13.333 16c0-1.473 1.194-2.667 2.667-2.667v0c1.473 0 2.667 1.194 2.667 2.667v0c0 1.473-1.194 2.667-2.667 2.667v0c-1.473 0-2.667-1.194-2.667-2.667v0zM5.333 16c0-1.473 1.194-2.667 2.667-2.667v0c1.473 0 2.667 1.194 2.667 2.667v0c0 1.473-1.194 2.667-2.667 2.667v0c-1.473 0-2.667-1.194-2.667-2.667v0z"></path></svg>';
const wrapper = document.createElement('div');
wrapper.setAttribute('class', 'gh-dropdown');
if (submenuItems.length >= 10) {
head.classList.add('is-dropdown-mega');
wrapper.style.gridTemplateRows = `repeat(${Math.ceil(submenuItems.length / 2)}, 1fr)`;
} else {
head.classList.remove('is-dropdown-mega');
}
submenuItems.forEach(function (child) {
wrapper.appendChild(child);
});
toggle.appendChild(wrapper);
nav.appendChild(toggle);
head.classList.add('is-dropdown-loaded');
window.addEventListener('click', function (e) {
if (head.classList.contains('is-dropdown-open')) {
head.classList.remove('is-dropdown-open');
} else if (toggle.contains(e.target)) {
head.classList.add('is-dropdown-open');
}
});
}
imagesLoaded(logo, function () {
makeDropdown();
});
window.addEventListener('load', function () {
if (!logo) {
makeDropdown();
}
});
window.addEventListener('resize', function () {
setTimeout(() => {
nav.innerHTML = navHTML;
makeDropdown();
}, 1);
});
}