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(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 (_) {
// 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 (_) {
var docNav = document.querySelector('.doc-nav');
var isHidden = docNav.classList.contains('hidden');
docNav.classList.toggle('hidden');
var search = document.querySelector('.doc-nav > .search');
console.log(search);
var searchHasResults = search.classList.contains('has-results');
if (isHidden && searchHasResults) {
search.classList.remove('mobile-hidden');
} else {
search.classList.add('mobile-hidden');
}
var content = document.querySelector('.doc-nav .content');
content.classList.toggle('hidden');
content.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');
var onInputChange = debounce(function (e) {
var searchValue = e.target.value.toLowerCase();
var menu = document.querySelector('.doc-nav > .content');
var search = document.querySelector('.doc-nav > .search');
if (searchValue === '') {
// reset to default
menu.style.display = '';
if (!search.classList.contains('hidden')) {
search.classList.add('hidden');
search.classList.remove('has-results');
}
} else if (searchValue.length >= 2) {
// search for less than 2 characters can display too much results
search.innerHTML = '';
menu.style.display = 'none';
if (search.classList.contains('hidden')) {
search.classList.remove('hidden');
search.classList.remove('mobile-hidden');
search.classList.add('has-results');
}
// cache length for performance
var foundModule = false;
var searchModuleIndexLength = searchModuleIndex.length;
var ul = document.createElement('ul');
search.appendChild(ul);
for (var i = 0; i < searchModuleIndexLength; i++) {
// no toLowerCase needed because modules are always lowercase
var title = searchModuleIndex[i];
if (title.indexOf(searchValue) === -1) {
continue
}
foundModule = true;
// [description, link]
var data = searchModuleData[i];
var description = data[0];
var link = data[1];
var el = createSearchResult({
link: link,
title: title,
description: description,
badge: 'module',
});
ul.appendChild(el);
}
if (foundModule) {
var hr = document.createElement('hr');
hr.classList.add('separator');
search.appendChild(hr);
}
var searchIndexLength = searchIndex.length;
var results = [];
for (var i = 0; i < searchIndexLength; i++) {
var title = searchIndex[i];
if (title.toLowerCase().indexOf(searchValue) === -1) {
continue
}
// [badge, description, link]
var data = searchData[i];
var badge = data[0];
var description = data[1];
var link = data[2];
var prefix = data[3];
results.push({
badge: badge,
description: description,
link: link,
title: prefix + ' ' + title,
});
}
results.sort(function (a, b) {
if (a.title < b.title) {
return -1;
}
if (a.title > b.title) {
return 1;
}
return 0;
});
var ul = document.createElement('ul');
search.appendChild(ul);
for (var i = 0; i < results.length; i++) {
var result = results[i];
var el = createSearchResult(result);
ul.appendChild(el);
}
}
});
searchInput.addEventListener('input', onInputChange);
}
function createSearchResult(data) {
var li = document.createElement('li');
li.classList.add('result');
var a = document.createElement('a');
a.href = data.link;
a.classList.add('link');
li.appendChild(a);
var defintion = document.createElement('div');
defintion.classList.add('definition');
a.appendChild(defintion);
if (data.description) {
var description = document.createElement('div');
description.classList.add('description');
description.textContent = data.description;
a.appendChild(description);
}
var title = document.createElement('span');
title.classList.add('title');
title.textContent = data.title;
defintion.appendChild(title);
var badge = document.createElement('badge');
badge.classList.add('badge');
badge.textContent = data.badge;
defintion.appendChild(badge);
return li;
}
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');
});
}
}
function debounce(func, timeout) {
var timer;
return (...args) => {
const next = () => func(...args);
if (timer) {
clearTimeout(timer);
}
timer = setTimeout(next, timeout > 0 ? timeout : 300);
}
}
document.addEventListener('keypress', (ev) => {
if (ev.key == '/') {
let search = document.getElementById('search');
ev.preventDefault();
search.focus();
}
});
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