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index.html
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<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>FOL</title>
<script src="/js/enquire.min.dfb99dee1e029d51d6cfb672d847929890b1585402de17f5ed092edd72a688b4.js"></script>
<script defer src="/js/fuse.min.94c78ad70b02749822921660cf4e9f0b3701bc0680c421afb784a78228de0275.js"></script>
<script defer src="/js/lazysizes.min.31dd6a2d3a1ec0f78a8df007535cf23f03aeb5c70f026e6d6a19dac3b3acc340.js"></script>
<script defer src="/js/helper/getParents.min.1618c696be7c98933f9a92677f518b512a74e55bdbb976b09936b4182e93181b.js"></script>
<script defer src="/js/helper/fadeinout.min.93a331f96194789a542f33690bbe4f0c102c7e78ffc018217f5a1c33010bad91.js"></script>
<script>
"use strict";
var languagedir = JSON.parse("\"ltr\"");
window.onload = function() {
var toggleSidebarElem = document.getElementById("toggle-sidebar");
var tocBodyElem = document.querySelector('.toc__body');
var tocLabelElem = document.querySelector('.toc__label');
var listMainElem = document.getElementById('list-main');
var listSideElem = document.getElementById('list-side');
var sliderIcons = document.querySelectorAll('.slider__icon');
toggleSidebarElem ?
toggleSidebarElem.addEventListener('change', function (e) {
if (e.target.checked) {
if (tocBodyElem) {
fadeIn(tocBodyElem, 200);
}
if (tocLabelElem) {
fadeIn(tocLabelElem, 200);
}
if (listMainElem && listSideElem) {
listMainElem.className = 'm';
listSideElem.className = 'r';
}
sliderIcons && sliderIcons.forEach(function (elem) {
if (elem.classList.contains('hide')) {
elem.classList.remove('hide');
} else {
elem.classList.add('hide');
}
});
} else {
if (tocBodyElem) {
fadeOut(tocBodyElem, 200);
}
if (tocLabelElem) {
fadeOut(tocLabelElem, 200);
}
if (listMainElem && listSideElem) {
listMainElem.className = 'mr';
listSideElem.className = 'hide';
}
sliderIcons && sliderIcons.forEach(function (elem) {
if (elem.classList.contains('hide')) {
elem.classList.remove('hide');
} else {
elem.classList.add('hide');
}
});
}
}) : null;
var navCollapseBtn = document.getElementById('navCollapseBtn');
navCollapseBtn ? navCollapseBtn.addEventListener('click', function(e) {
var navCollapse = document.querySelector('.navbar__collapse');
if (navCollapse) {
var dataOpen = navCollapse.getAttribute('data-open');
if (dataOpen === 'true') {
navCollapse.setAttribute('data-open', 'false');
navCollapse.style.maxHeight = 0;
} else {
navCollapse.setAttribute('data-open', 'true');
navCollapse.style.maxHeight = navCollapse.scrollHeight + "px";
}
}
}) : null;
var expandBtn = document.querySelectorAll('.expand__button');
for (let i = 0; i < expandBtn.length; i++) {
expandBtn[i].addEventListener("click", function () {
var content = this.nextElementSibling;
if (content.style.maxHeight) {
content.style.maxHeight = null;
this.querySelector('svg').classList.add('expand-icon__right');
this.querySelector('svg').classList.remove('expand-icon__down');
} else {
content.style.maxHeight = content.scrollHeight + "px";
this.querySelector('svg').classList.remove('expand-icon__right');
this.querySelector('svg').classList.add('expand-icon__down');
}
});
}
var root = document.getElementById('root');
var toggleToLightBtn = document.getElementById('toggleToLight');
var toggleToDarkBtn = document.getElementById('toggleToDark');
toggleToDark.onclick = function(e) {
root.className = 'theme__dark';
localStorage.setItem('theme', 'dark');
toggleToLightBtn.className = 'navbar__icons--icon';
toggleToDarkBtn.className = 'hide';
}
toggleToLight.onclick = function (e) {
root.className = 'theme__light';
localStorage.setItem('theme', 'light');
toggleToLightBtn.className = 'hide';
toggleToDarkBtn.className = 'navbar__icons--icon';
}
document.querySelectorAll('.menu__list').forEach(function(elem) {
if (elem.classList.contains('active')) {
elem.style.maxHeight = elem.scrollHeight + "px";
}
});
document.querySelectorAll('.menu__title--collapse').forEach(function(elem) {
elem.addEventListener('click', function (e) {
var content = this.nextElementSibling;
var hreflink = this.dataset.href;
var menuTitleIcon = this.querySelector('.menu__title--icon');
if (!content) {
return null;
}
var parent = elem.parentNode;
while (parent.classList.contains('menu__list') && parent.classList.contains('active')) {
console.log('parent');
parent.style.maxHeight = 100 * parent.children.length + "px";
parent = parent.parentNode;
}
if (content.style.maxHeight) {
console.log('null');
content.style.maxHeight = null;
content.classList.remove('active');
menuTitleIcon.classList.add('right');
menuTitleIcon.classList.remove('down');
} else {
console.log('scrollHeight');
content.style.maxHeight = content.scrollHeight + "px";
content.classList.add('active');
menuTitleIcon.classList.remove('right');
menuTitleIcon.classList.add('down');
}
function link() { location.href = hreflink; }
link();
});
});
var rightBurger = document.getElementById('rightBurger');
var rightModal = document.getElementById("rightModal");
var rightDrawer = document.getElementById('rightDrawer');
var openRightDrawer = function() {
rightModal.style.opacity = 1;
rightModal.style.left = 0;
rightDrawer.style.right = 0;
}
var closeRightDrawer = function() {
rightModal.style.opacity = 0;
rightDrawer.style.right = '-100%';
rightModal.style.left = '-100%';
setTimeout(function () { rightModal.style.right = '-100%'; }, 250);
}
rightBurger.onclick = function () {
openRightDrawer();
localStorage.setItem('isRightDrawerOpen', 'true');
}
rightModal.onclick = function () {
closeRightDrawer();
localStorage.setItem('isRightDrawerOpen', 'false');
}
var leftBurger = document.getElementById('leftBurger');
var leftModal = document.getElementById("leftModal");
var leftDrawer = document.getElementById('leftDrawer');
var openLeftDrawer = function() {
leftModal.style.opacity = 1;
leftModal.style.left = 0;
leftDrawer.style.left = 0;
}
var closeLeftDrawer = function() {
leftModal.style.opacity = 0;
leftDrawer.style.left = '-100%';
setTimeout(function () { leftModal.style.left = '-100%'; }, 250);
}
leftBurger.onclick = function () {
openLeftDrawer();
localStorage.setItem('isLeftDrawerOpen', 'true');
}
leftModal.onclick = function () {
closeLeftDrawer();
localStorage.setItem('isLeftDrawerOpen', 'false');
}
var lastScrollTop = window.pageYOffset || document.documentElement.scrollTop;
var tocElem = document.querySelector('.toc');
var tableOfContentsElem = tocElem ? tocElem.querySelector('#TableOfContents') : null;
var singleContentsElem = document.querySelector('.single__contents');
var dataBGImgs = document.querySelectorAll('div[data-bgimg]');
var tocLevels = JSON.parse("[\"h1\",\"h2\",\"h3\",\"h4\"]");
if (tocLevels) {
tocLevels = tocLevels.toString();
} else {
tocLevels = "h1, h2, h3, h4, h5, h6";
}
var isLandingBgImg = JSON.parse("null");
var isHome = JSON.parse("true");
function setNavbarBG(scrollTop) {
if (isHome && isLandingBgImg && Object.keys(isLandingBgImg).length) {
if (isLandingBgImg.height <= scrollTop) {
dataBGImgs.forEach(function(elem) {
elem.setAttribute('data-bgimg', 'false');
});
} else {
dataBGImgs.forEach(function (elem) {
elem.setAttribute('data-bgimg', 'true');
});
}
}
}
setNavbarBG(lastScrollTop);
window.onscroll = function () {
var st = window.pageYOffset || document.documentElement.scrollTop;
if (st > lastScrollTop) {
singleContentsElem ?
singleContentsElem.querySelectorAll(tocLevels.toString()).forEach(function(elem) {
if (document.documentElement.scrollTop >= elem.offsetTop) {
if (tableOfContentsElem) {
var id = elem.getAttribute('id');
tocElem.querySelectorAll('a').forEach(function (elem) {
elem.classList.remove('active');
});
tocElem.querySelector('a[href="#' + id + '"]') ?
tocElem.querySelector('a[href="#' + id + '"]').classList.add('active') : null;
}
}
}) : null;
setNavbarBG(st);
} else {
singleContentsElem ?
singleContentsElem.querySelectorAll(tocLevels.toString()).forEach(function(elem) {
if (document.documentElement.scrollTop >= elem.offsetTop) {
if (tableOfContentsElem) {
var id = elem.getAttribute('id');
tocElem.querySelectorAll('a').forEach(function (elem) {
elem.classList.remove('active');
});
tocElem.querySelector('a[href="#' + id + '"]') ?
tocElem.querySelector('a[href="#' + id + '"]').classList.add('active') : null;
}
}
}) : null;
setNavbarBG(st);
}
lastScrollTop = st <= 0 ? 0 : st;
};
var mobileSearchInputElem = document.querySelector('#search-mobile');
var mobileSearchClassElem = document.querySelector('.mobile-search');
var mobileSearchBtnElem = document.querySelector('#mobileSearchBtn');
var mobileSearchCloseBtnElem = document.querySelector('#search-mobile-close');
var mobileSearchContainer = document.querySelector('#search-mobile-container');
var mobileSearchResultsElem = document.querySelector('#search-mobile-results');
var htmlElem = document.querySelector('html');
if (mobileSearchClassElem) {
mobileSearchClassElem.style.display = 'none';
}
mobileSearchBtnElem ?
mobileSearchBtnElem.addEventListener('click', function () {
if (mobileSearchContainer) {
mobileSearchContainer.style.display = 'block';
}
if (mobileSearchInputElem) {
mobileSearchInputElem.focus();
}
if (htmlElem) {
htmlElem.style.overflowY = 'hidden';
}
}) : null;
mobileSearchCloseBtnElem ?
mobileSearchCloseBtnElem.addEventListener('click', function() {
if (mobileSearchContainer) {
mobileSearchContainer.style.display = 'none';
}
if (mobileSearchInputElem) {
mobileSearchInputElem.value = '';
}
if (mobileSearchResultsElem) {
while (mobileSearchResultsElem.firstChild) {
mobileSearchResultsElem.removeChild(mobileSearchResultsElem.firstChild);
}
}
if (htmlElem) {
htmlElem.style.overflowY = 'visible';
}
}) : null;
mobileSearchInputElem ?
mobileSearchInputElem.addEventListener('keydown', function(e) {
if (e.key === 'Escape') {
if (mobileSearchContainer) {
mobileSearchContainer.style.display = 'none';
}
if (mobileSearchInputElem) {
mobileSearchInputElem.value = '';
}
if (mobileSearchResultsElem) {
while (mobileSearchResultsElem.firstChild) {
mobileSearchResultsElem.removeChild(mobileSearchResultsElem.firstChild);
}
}
if (htmlElem) {
htmlElem.style.overflowY = 'visible';
}
}
}) : null;
var localTheme = localStorage.getItem('theme');
var rootEleme = document.getElementById('root');
var selectThemeElem = document.querySelectorAll('.select-theme');
var selectThemeItemElem = document.querySelectorAll('.select-theme__item');
if (localTheme) {
selectThemeItemElem ?
selectThemeItemElem.forEach(function (elem) {
if (elem.text.trim() === localTheme) {
elem.classList.add('is-active');
} else {
elem.classList.remove('is-active');
}
}) : null;
}
selectThemeItemElem ?
selectThemeItemElem.forEach(function (v, i) {
v.addEventListener('click', function (e) {
var selectedThemeVariant = e.target.text.trim();
localStorage.setItem('theme', selectedThemeVariant);
rootEleme.removeAttribute('class');
rootEleme.classList.add(`theme__${selectedThemeVariant}`);
selectThemeElem.forEach(function(rootElem) {
rootElem.querySelectorAll('a').forEach(function (elem) {
if (elem.classList) {
if (elem.text.trim() === selectedThemeVariant) {
if (!elem.classList.contains('is-active')) {
elem.classList.add('is-active');
}
} else {
if (elem.classList.contains('is-active')) {
elem.classList.remove('is-active');
}
}
}
});
});
if (window.mermaid) {
if (selectedThemeVariant === "dark" || selectedThemeVariant === "hacker") {
mermaid.initialize({ theme: 'dark' });
location.reload();
} else {
mermaid.initialize({ theme: 'default' });
location.reload();
}
}
var utterances = document.querySelector('iframe');
if (utterances) {
utterances.contentWindow.postMessage({
type: 'set-theme',
theme: selectedThemeVariant === "dark" || selectedThemeVariant === "hacker" ? 'photon-dark' : selectedThemeVariant === 'kimbie' ? 'github-dark-orange' : 'github-light',
}, 'https://utteranc.es');
}
});
}) : null;
var searchURL = JSON.parse("\"https://follang.github.io/\"");
var searchResults = null;
var searchMenu = null;
var searchText = null;
var enableSearchHighlight = JSON.parse("true");
var enableSearch = JSON.parse("true");
var fuse = null;
if (enableSearch) {
(function initFuse() {
var xhr = new XMLHttpRequest();
xhr.open('GET', searchURL + "index.json");
xhr.setRequestHeader('Content-Type', 'application/json; charset=utf-8');
xhr.onload = function () {
if (xhr.status === 200) {
fuse = new Fuse(JSON.parse(xhr.response.toString('utf-8')), {
keys: ['title', 'description', 'content'],
includeMatches: enableSearchHighlight,
shouldSort: true,
threshold: 0.4,
location: 0,
distance: 100,
maxPatternLength: 32,
minMatchCharLength: 1,
});
}
else {
console.error(`[${xhr.status}]Error:`, xhr.statusText);
}
};
xhr.send();
})();
}
function makeLi(ulElem, obj) {
var li = document.createElement('li');
li.className = 'search-result__item';
var a = document.createElement('a');
a.innerHTML = obj.title;
a.setAttribute('class', 'search-result__item--title');
a.setAttribute('href', obj.permalink);
var descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
if (obj.description) {
descDiv.innerHTML = obj.description;
} else if (obj.content) {
descDiv.innerHTML = obj.content.substring(0, 80);
}
li.appendChild(a);
li.appendChild(descDiv);
ulElem.appendChild(li);
}
function makeHighlightLi(ulElem, obj) {
var li = document.createElement('li');
li.className = 'search-result__item';
var descDiv = null;
var a = document.createElement('a');
a.innerHTML = obj.item.title;
a.setAttribute('class', 'search-result__item--title');
a.setAttribute('href', obj.item.uri);
if (obj.matches && obj.matches.length) {
for (var i = 0; i < obj.matches.length; i++) {
if ('title' === obj.matches[i].key) {
a = document.createElement('a');
a.innerHTML = generateHighlightedText(obj.matches[i].value, obj.matches[i].indices);
a.setAttribute('class', 'search-result__item--title');
a.setAttribute('href', obj.item.uri);
}
if ('description' === obj.matches[i].key) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = generateHighlightedText(obj.item.description, obj.matches[i].indices);
} else if ('content' === obj.matches[i].key) {
if (!descDiv) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = generateHighlightedText(obj.item.content.substring(0, 80), obj.matches[i].indices);
}
} else {
if (obj.item.description) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = obj.item.description;
} else {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = obj.item.content.substring(0, 80);
}
}
}
li.appendChild(a);
if (descDiv) {
li.appendChild(descDiv);
}
if (li) {
ulElem.appendChild(li);
}
}
}
function renderSearchResults(searchText, results) {
searchResults = document.getElementById('search-results');
searchMenu = document.getElementById('search-menu');
searchResults.setAttribute('class', 'dd is-active');
var ul = document.createElement('ul');
ul.setAttribute('class', 'dd-content search-content');
if (results.length) {
results.forEach(function (result) {
var li = document.createElement('li');
var a = document.createElement('a');
a.setAttribute('href', result.uri);
a.setAttribute('class', 'dd-item');
a.appendChild(li);
var titleDiv = document.createElement('div');
titleDiv.innerHTML = result.title;
titleDiv.setAttribute('class', 'search-result__item--title');
var descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
if (result.description) {
descDiv.innerHTML = result.description;
} else if (result.content) {
descDiv.innerHTML = result.content.substring(0, 80);
}
li.appendChild(titleDiv);
li.appendChild(descDiv);
ul.appendChild(a);
});
} else {
var li = document.createElement('li');
li.setAttribute('class', 'dd-item');
li.innerText = 'No results found';
ul.appendChild(li);
}
while (searchMenu.hasChildNodes()) {
searchMenu.removeChild(
searchMenu.lastChild
);
}
searchMenu.appendChild(ul);
}
function renderSearchHighlightResults(searchText, results) {
searchResults = document.getElementById('search-results');
searchMenu = document.getElementById('search-menu');
searchResults.setAttribute('class', 'dd is-active');
var ul = document.createElement('ul');
ul.setAttribute('class', 'dd-content search-content');
if (results.length) {
results.forEach(function (result) {
var li = document.createElement('li');
var a = document.createElement('a');
var descDiv = null;
a.setAttribute('href', result.item.uri);
a.setAttribute('class', 'dd-item');
a.appendChild(li);
var titleDiv = document.createElement('div');
titleDiv.innerHTML = result.item.title;
titleDiv.setAttribute('class', 'search-result__item--title');
if (result.matches && result.matches.length) {
for (var i = 0; i < result.matches.length; i++) {
if ('title' === result.matches[i].key) {
titleDiv.innerHTML = generateHighlightedText(result.matches[i].value, result.matches[i].indices);
}
if ('description' === result.matches[i].key) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = generateHighlightedText(result.item.description, result.matches[i].indices);
} else if ('content' === result.matches[i].key) {
if (!descDiv) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = generateHighlightedText(result.item.content.substring(0, 80), result.matches[i].indices);
}
} else {
if (result.item.description) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = result.item.description;
} else {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
descDiv.innerHTML = result.item.content.substring(0, 80);
}
}
}
li.appendChild(titleDiv);
if (descDiv) {
li.appendChild(descDiv);
}
ul.appendChild(a);
}
});
} else {
var li = document.createElement('li');
li.setAttribute('class', 'dd-item');
li.innerText = 'No results found';
ul.appendChild(li);
}
while (searchMenu.hasChildNodes()) {
searchMenu.removeChild(
searchMenu.lastChild
);
}
searchMenu.appendChild(ul);
}
function renderSearchResultsMobile(searchText, results) {
searchResults = document.getElementById('search-mobile-results');
var content = document.createElement('div');
content.setAttribute('class', 'mobile-search__content');
if (results.length > 0) {
results.forEach(function (result) {
var item = document.createElement('a');
item.setAttribute('href', result.uri);
item.innerHTML = '<div class="mobile-search__item"><div class="mobile-search__item--title">📄 ' + result.title + '</div><div class="mobile-search__item--desc">' + (result.description ? result.description : result.content) + '</div></div>';
content.appendChild(item);
});
} else {
var item = document.createElement('span');
content.appendChild(item);
}
let wrap = document.getElementById('search-mobile-results');
while (wrap.firstChild) {
wrap.removeChild(wrap.firstChild)
}
searchResults.appendChild(content);
}
function renderSearchHighlightResultsMobile(searchText, results) {
searchResults = document.getElementById('search-mobile-results');
var ul = document.createElement('div');
ul.setAttribute('class', 'mobile-search__content');
if (results.length) {
results.forEach(function (result) {
var li = document.createElement('li');
var a = document.createElement('a');
var descDiv = null;
a.setAttribute('href', result.item.uri);
a.appendChild(li);
li.setAttribute('class', 'mobile-search__item');
var titleDiv = document.createElement('div');
titleDiv.innerHTML = result.item.title;
titleDiv.setAttribute('class', 'mobile-search__item--title');
if (result.matches && result.matches.length) {
for (var i = 0; i < result.matches.length; i++) {
if ('title' === result.matches[i].key) {
titleDiv.innerHTML = generateHighlightedText(result.matches[i].value, result.matches[i].indices);
}
if ('description' === result.matches[i].key) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'mobile-search__item--desc');
descDiv.innerHTML = generateHighlightedText(result.item.description, result.matches[i].indices);
} else if ('content' === result.matches[i].key) {
if (!descDiv) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'mobile-search__item--desc');
descDiv.innerHTML = generateHighlightedText(result.item.content.substring(0, 150), result.matches[i].indices);
}
} else {
if (result.item.description) {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'mobile-search__item--desc');
descDiv.innerHTML = result.item.description;
} else {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'mobile-search__item--desc');
descDiv.innerHTML = result.item.content.substring(0, 150);
}
}
}
li.appendChild(titleDiv);
if (descDiv) {
li.appendChild(descDiv);
}
ul.appendChild(a);
}
});
} else {
var item = document.createElement('span');
ul.appendChild(item);
}
let wrap = document.getElementById('search-mobile-results');
while (wrap.firstChild) {
wrap.removeChild(wrap.firstChild)
}
searchResults.appendChild(ul);
}
function generateHighlightedText(text, regions) {
if (!regions) {
return text;
}
var content = '', nextUnhighlightedRegionStartingIndex = 0;
regions.forEach(function(region) {
if (region[0] === region[1]) {
return null;
}
content += '' +
text.substring(nextUnhighlightedRegionStartingIndex, region[0]) +
'<span class="search__highlight">' +
text.substring(region[0], region[1] + 1) +
'</span>' +
'';
nextUnhighlightedRegionStartingIndex = region[1] + 1;
});
content += text.substring(nextUnhighlightedRegionStartingIndex);
return content;
};
var searchElem = document.getElementById('search');
var searchMobile = document.getElementById('search-mobile');
var searchResultsContainer = document.getElementById('search-results');
searchElem ?
searchElem.addEventListener('input', function(e) {
if (!e.target.value | window.innerWidth < 770) {
searchResultsContainer ? searchResultsContainer.setAttribute('class', 'dd') : null;
return null;
}
searchText = e.target.value;
var results = fuse.search(e.target.value);
if (enableSearchHighlight) {
renderSearchHighlightResults(searchText, results);
} else {
renderSearchResults(searchText, results);
}
var dropdownItems = searchResultsContainer.querySelectorAll('.dd-item');
dropdownItems ? dropdownItems.forEach(function (item) {
item.addEventListener('mousedown', function (e) {
console.log('mousedown');
e.target.click();
});
}) : null;
}) : null;
searchElem ?
searchElem.addEventListener('blur', function() {
if (window.innerWidth < 770) {
return null;
}
searchResultsContainer ? searchResultsContainer.setAttribute('class', 'dd') : null;
}) : null;
searchElem ?
searchElem.addEventListener('click', function(e) {
if (window.innerWidth < 770) {
return null;
}
if (!e.target.value) {
searchResultsContainer ? searchResultsContainer.setAttribute('class', 'dd') : null;
return null;
}
searchText = e.target.value;
var results = fuse.search(e.target.value);
if (enableSearchHighlight) {
renderSearchHighlightResults(searchText, results);
} else {
renderSearchResults(searchText, results);
}
var dropdownItems = searchResultsContainer.querySelectorAll('.dd-item');
dropdownItems ? dropdownItems.forEach(function (item) {
item.addEventListener('mousedown', function (e) {
console.log('mousedown');
e.target.click();
});
}) : null;
}) : null;
var searchMenuElem = document.getElementById("search-menu");
var activeItem = document.querySelector('#search-menu .dd-item.is-active');
var activeIndex = null;
var items = null;
var searchContainerMaxHeight = 350;
searchElem ?
searchElem.addEventListener('keydown', function(e) {
if (window.innerWidth < 770) {
return null;
}
var items = document.querySelectorAll('#search-menu .dd-item');
if (e.key === 'ArrowDown') {
if (activeIndex === null) {
activeIndex = 0;
items[activeIndex].classList.remove('is-active');
} else {
items[activeIndex].classList.remove('is-active');
activeIndex = activeIndex === items.length - 1 ? 0 : activeIndex + 1;
}
items[activeIndex].classList.add('is-active');
let overflowedPixel = items[activeIndex].offsetTop + items[activeIndex].clientHeight - searchContainerMaxHeight;
if (overflowedPixel > 0) {
document.querySelector(".search-content").scrollTop += items[activeIndex].getBoundingClientRect().height;
} else if (activeIndex === 0) {
document.querySelector(".search-content").scrollTop = 0;
}
} else if (e.key === 'ArrowUp') {
if (activeIndex === null) {
activeIndex = items.length - 1;
items[activeIndex].classList.remove('is-active');
} else {
items[activeIndex].classList.remove('is-active');
activeIndex = activeIndex === 0 ? items.length - 1 : activeIndex - 1;
}
items[activeIndex].classList.add('is-active');
let overflowedPixel = items[activeIndex].offsetTop + items[activeIndex].clientHeight - searchContainerMaxHeight;
if (overflowedPixel < 0) {
document.querySelector(".search-content").scrollTop -= items[activeIndex].getBoundingClientRect().height;
} else {
document.querySelector(".search-content").scrollTop = overflowedPixel + items[activeIndex].getBoundingClientRect().height;
}
} else if (e.key === 'Enter') {
var currentItemLink = items[activeIndex].getAttribute('href');
if (currentItemLink) {
location.href = currentItemLink;
}
} else if (e.key === 'Escape') {
e.target.value = null;
if (searchResults) {
searchResults.classList.remove('is-active');
}
}
}) : null;
searchMobile ?
searchMobile.addEventListener('input', function(e) {
if (!e.target.value) {
let wrap = document.getElementById('search-mobile-results');
while (wrap.firstChild) {
wrap.removeChild(wrap.firstChild);
}
return null;
}
searchText = e.target.value;
var results = fuse.search(e.target.value);
if (enableSearchHighlight) {
renderSearchHighlightResultsMobile(searchText, results);
} else {
renderSearchResultsMobile(searchText, results);
}
var dropdownItems = searchResultsContainer.querySelectorAll('.dd-item');
dropdownItems ? dropdownItems.forEach(function (item) {
item.addEventListener('mousedown', function (e) {
console.log('mousedown');
e.target.click();
});
}) : null;
}) : null;
}
</script>
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