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index.html
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<!DOCTYPE html>
<html lang="en" dir="ltr">
<head prefix="og: http://ogp.me/ns#">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>wangyichen's blog</title>
<script defer src="/js/fuse.min.32195737929df2c8096e855a5789cbb3f1331224d9169e8705493e7008f47df8.js"></script>
<script src="/js/enquire.min.dfb99dee1e029d51d6cfb672d847929890b1585402de17f5ed092edd72a688b4.js"></script>
<script defer src="/js/lazysizes.min.fb649fcae62177dfe63e67081ddceb830b5ce1f05a4184e9bbb7d87ac4b8f4e5.js"></script>
<script defer src="/js/helper/getParents.min.ccd45f158c1b17849307ba913a72beac239c410f2b6e648496a79842da84e55b.js"></script>
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<script defer src="/js/helper/closest.min.js"></script>
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var skinKimbieCode = JSON.parse("\"kimbie\"");
var setMetaColor = function(themeColor) {
var metaMsapplicationTileColor = document.getElementsByName('msapplication-TileColor')[0];
var metaThemeColor = document.getElementsByName('theme-color')[0];
var metaMsapplicationNavbuttonColor = document.getElementsByName('msapplication-navbutton-color')[0];
var metaAppleMobileWebAappStatusBarStyle = document.getElementsByName('apple-mobile-web-app-status-bar-style')[0];
if (themeColor.includes('dark')) {
metaMsapplicationTileColor.setAttribute('content', '#fcfcfa');
metaThemeColor.setAttribute('content', '#403E41');
metaMsapplicationNavbuttonColor.setAttribute('content', '#403E41');
metaAppleMobileWebAappStatusBarStyle.setAttribute('content', '#403E41');
} else if (themeColor.includes('light')) {
metaMsapplicationTileColor.setAttribute('content', '#555');
metaThemeColor.setAttribute('content', '#eee');
metaMsapplicationNavbuttonColor.setAttribute('content', '#eee');
metaAppleMobileWebAappStatusBarStyle.setAttribute('content', '#eee');
} else if (themeColor.includes('hacker')) {
metaMsapplicationTileColor.setAttribute('content', '#e3cd26');
metaThemeColor.setAttribute('content', '#252526');
metaMsapplicationNavbuttonColor.setAttribute('content', '#252526');
metaAppleMobileWebAappStatusBarStyle.setAttribute('content', '#252526');
} else if (themeColor.includes('solarized')) {
metaMsapplicationTileColor.setAttribute('content', '#d3af86');
metaThemeColor.setAttribute('content', '#51412c');
metaMsapplicationNavbuttonColor.setAttribute('content', '#51412c');
metaAppleMobileWebAappStatusBarStyle.setAttribute('content', '#51412c');
} else if (themeColor.includes('kimbie')) {
metaMsapplicationTileColor.setAttribute('content', '#586e75');
metaThemeColor.setAttribute('content', '#eee8d5');
metaMsapplicationNavbuttonColor.setAttribute('content', '#eee8d5');
metaAppleMobileWebAappStatusBarStyle.setAttribute('content', '#eee8d5');
}
}
var parseSkinCode = function(themeText) {
if (themeText === skinDarkCode) {
return 'dark';
} else if (themeText === skinLightCode) {
return 'light';
} else if (themeText === skinHackerCode) {
return 'hacker';
} else if (themeText === skinSolarizedCode) {
return 'solarized';
} else if (themeText === skinKimbieCode) {
return 'kimbie';
}
}
if (localTheme) {
selectThemeItemElem ?
selectThemeItemElem.forEach(function (elem) {
if (elem.text.trim() === localTheme) {
elem.classList.add('is-active');
} else {
elem.classList.remove('is-active');
}
}) : null;
setMetaColor(localTheme);
} else {
setMetaColor(rootEleme.className);
}
selectThemeItemElem ?
selectThemeItemElem.forEach(function (v, i) {
v.addEventListener('click', function (e) {
var selectedThemeVariant = parseSkinCode(e.target.text.trim());
localStorage.setItem('theme', selectedThemeVariant);
setMetaColor(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.getElementById('utterances');
if (utterances) {
utterances.querySelector('iframe').contentWindow.postMessage({
type: 'set-theme',
theme: selectedThemeVariant === "dark" || selectedThemeVariant === "hacker" ? 'photon-dark' : selectedThemeVariant === 'kimbie' ? 'github-dark-orange' : 'github-light',
}, 'https://utteranc.es');
}
var twitterCards = document.querySelectorAll('.twitter-timeline');
if (twitterCards) {
window.postMessage({
type: 'set-twitter-theme',
theme: selectedThemeVariant === 'light' || selectedThemeVariant === 'solarized' ? 'light' : 'dark',
});
}
});
}) : null;
var baseurl = JSON.parse("\"https://yichenlove.github.io/\"");
var permalink = JSON.parse("\"https://yichenlove.github.io/\"");
var langprefix = JSON.parse("\"\"");
var searchResults = null;
var searchMenu = null;
var searchText = null;
var enableSearch = JSON.parse("true");
var searchDistance = JSON.parse("100");
var searchThreshold = JSON.parse("0.4");
var searchContent = JSON.parse("true");
var enableSearchHighlight = JSON.parse("true");
var searchResultPosition = JSON.parse("\"main\"");
var sectionType = JSON.parse("\"page\"");
var kind = JSON.parse("\"home\"");
var fuse = null;
if (enableSearch) {
(function initFuse() {
var xhr = new XMLHttpRequest();
if (sectionType === "publication" && kind !== "page") {
xhr.open('GET', permalink + "index.json");
} else {
xhr.open('GET', baseurl + langprefix + "/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: sectionType.includes('publication') ? ['title', 'abstract'] :
searchContent ? ['title', 'description', 'content'] : ['title', 'description'],
includeMatches: enableSearchHighlight,
shouldSort: true,
threshold: searchThreshold ? searchThreshold : 0.4,
location: 0,
distance: searchDistance ? searchDistance : 100,
maxPatternLength: 32,
minMatchCharLength: 1,
isCaseSensitive: false,
findAllMatches: false,
useExtendedSearch: false,
});
window.fuse = fuse;
}
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.item.title;
a.setAttribute('class', 'search-result__item--title');
a.setAttribute('href', obj.item.uri);
var descDiv = document.createElement('div');
descDiv.setAttribute('class', 'search-result__item--desc');
if (obj.item.description) {
descDiv.innerHTML = obj.item.description;
} else if (obj.item.content) {
descDiv.innerHTML = obj.item.content.substring(0, 225);
}
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, 150), 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, 150);
}
}
}
li.appendChild(a);
if (descDiv) {
li.appendChild(descDiv);
}
if (li) {
ulElem.appendChild(li);
}
}
}
function renderSearchResultsSide(searchText, results) {
searchResults = document.getElementById('search-results');
searchMenu = document.getElementById('search-menu');
searchResults.setAttribute('class', 'dropdown is-active');
var ul = document.createElement('ul');
ul.setAttribute('class', 'dropdown-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', 'dropdown-item');
a.appendChild(li);
var titleDiv = document.createElement('div');
titleDiv.innerHTML = result.title;
titleDiv.setAttribute('class', 'menu-item__title');
var descDiv = document.createElement('div');
descDiv.setAttribute('class', 'menu-item__desc');
if (result.description) {
descDiv.innerHTML = result.description;
} else if (result.content) {
descDiv.innerHTML = result.content.substring(0, 150);
}
li.appendChild(titleDiv);
li.appendChild(descDiv);
ul.appendChild(a);
});
} else {
var li = document.createElement('li');
li.setAttribute('class', 'dropdown-item');
li.innerText = 'No results found';
ul.appendChild(li);
}
while (searchMenu.hasChildNodes()) {
searchMenu.removeChild(
searchMenu.lastChild
);
}
searchMenu.appendChild(ul);
}
function renderSearchHighlightResultsSide(searchText, results) {
searchResults = document.getElementById('search-results');
searchMenu = document.getElementById('search-menu');
searchResults.setAttribute('class', 'dropdown is-active');
var ul = document.createElement('ul');
ul.setAttribute('class', 'dropdown-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', 'dropdown-item');
a.appendChild(li);
var titleDiv = document.createElement('div');
titleDiv.innerHTML = result.item.title;
titleDiv.setAttribute('class', 'menu-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', 'menu-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', 'menu-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', 'menu-item__desc');
descDiv.innerHTML = result.item.description;
} else {
descDiv = document.createElement('div');
descDiv.setAttribute('class', 'menu-item__desc');
descDiv.innerHTML = result.item.content.substring(0, 150);
}
}
}
li.appendChild(titleDiv);
if (descDiv) {
li.appendChild(descDiv);
}
ul.appendChild(a);
}
});
} else {
var li = document.createElement('li');
li.setAttribute('class', 'dropdown-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) {