v/cmd/tools/vdoc-resources/doc.js

118 lines
4.5 KiB
JavaScript

(function() {
if (document.body.scrollIntoView) {
var docnav = document.querySelector('.doc-nav');
var active = docnav.querySelector('li.active');
if (active) {
active.scrollIntoView({ block: 'center', inline: 'nearest' });
}
}
setupScrollSpy();
setupMobileToggle();
setupDarkMode();
setupSearch();
setupCollapse();
})();
function setupScrollSpy() {
var sectionPositions = [];
var sections = document.querySelectorAll('section');
sections.forEach(function(section) {
sectionPositions.push(section.offsetTop);
});
var scrollPos = 0;
window.addEventListener('scroll', function(e) {
// Reset classes
document.querySelectorAll('.doc-toc a[class="active"]').forEach(function(link) {
link.classList.remove('active');
});
// Set current menu link as active
var scrollPosition = document.documentElement.scrollTop || document.body.scrollTop;
for (var i = 0; i < sectionPositions.length; i++) {
var section = sections[i];
var position = sectionPositions[i];
if (position >= scrollPosition) {
var link = document.querySelector('.doc-toc a[href="#' + section.id + '"]');
if (link) {
link.classList.add('active');
var docToc = document.querySelector('.doc-toc');
var tocHeight = docToc.clientHeight;
var scrollTop = docToc.scrollTop;
if ((document.body.getBoundingClientRect()).top < scrollPos && scrollTop < link.offsetTop - 10) {
docToc.scrollTop = link.clientHeight + link.offsetTop - tocHeight + 10;
} else if (scrollTop > link.offsetTop - 10) {
docToc.scrollTop = link.offsetTop - 10;
}
}
break;
}
}
scrollPos = (document.body.getBoundingClientRect()).top;
});
}
function setupMobileToggle() {
var toggle = document.getElementById('toggle-menu');
toggle.addEventListener('click', function(ev) {
document.querySelectorAll('.doc-nav').forEach(function(el) {
el.classList.toggle('hidden');
});
document.querySelectorAll('.doc-nav .content').forEach(function(el) {
el.classList.toggle('hidden');
el.classList.toggle('show');
});
});
}
function setupDarkMode() {
var html = document.getElementsByTagName('html')[0];
var darkModeToggle = document.getElementById('dark-mode-toggle');
darkModeToggle.addEventListener('click', function() {
html.classList.toggle('dark');
var isDarkModeEnabled = html.classList.contains('dark');
localStorage.setItem('dark-mode', isDarkModeEnabled);
darkModeToggle.setAttribute('aria-checked', isDarkModeEnabled)
});
// Check if css var() is supported and enable dark mode toggle
if (window.CSS && CSS.supports('color', 'var(--fake-var)')) {
darkModeToggle.style.visibility = 'unset';
}
}
function setupSearch() {
var searchInput = document.getElementById('search');
searchInput.addEventListener('input', function(e) {
var searchValue = e.target.value.toLowerCase();
var menuItems = document.querySelectorAll('.content > ul > li');
for (var i = 0; i < menuItems.length; i++) {
var menuItem = menuItems[i];
var links = menuItem.querySelectorAll('a');
var hasResult = false;
for (var li = 0; li < links.length; li++) {
var link = links[li];
if (!searchValue || link.text.toLowerCase().indexOf(searchValue) !== -1) {
hasResult = true;
}
if (li > 0) {
if (!searchValue || link.text.toLowerCase().indexOf(searchValue) !== -1) {
link.style.display = '';
} else {
link.style.display = 'none';
}
}
}
menuItem.style.display = !searchValue || hasResult ? '' : 'none';
}
});
}
function setupCollapse() {
var dropdownArrows = document.querySelectorAll('.dropdown-arrow');
for (var i = 0; i < dropdownArrows.length; i++) {
var dropdownArrow = dropdownArrows[i];
dropdownArrow.addEventListener('click', function(e) {
var parent = e.target.parentElement.parentElement.parentElement;
parent.classList.toggle('open');
});
}
}