"use strict";function _objectDestructuringEmpty(a){if(null==a)throw new TypeError("Cannot destructure undefined")}function _createForOfIteratorHelper(a){if("undefined"==typeof Symbol||null==a[Symbol.iterator]){if(Array.isArray(a)||(a=_unsupportedIterableToArray(a))){var b=0,c=function(){};return{s:c,n:function n(){return b>=a.length?{done:!0}:{done:!1,value:a[b++]}},e:function e(a){throw a},f:c}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var d,e,f=!0,g=!1;return{s:function s(){d=a[Symbol.iterator]()},n:function n(){var a=d.next();return f=a.done,a},e:function e(a){g=!0,e=a},f:function f(){try{f||null==d.return||d.return()}finally{if(g)throw e}}}}function _toConsumableArray(a){return _arrayWithoutHoles(a)||_iterableToArray(a)||_unsupportedIterableToArray(a)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(a,b){if(a){if("string"==typeof a)return _arrayLikeToArray(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);return"Object"===c&&a.constructor&&(c=a.constructor.name),"Map"===c||"Set"===c?Array.from(c):"Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c)?_arrayLikeToArray(a,b):void 0}}function _iterableToArray(a){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(a))return Array.from(a)}function _arrayWithoutHoles(a){if(Array.isArray(a))return _arrayLikeToArray(a)}function _arrayLikeToArray(a,b){(null==b||b>a.length)&&(b=a.length);for(var c=0,d=Array(b);c<b;c++)d[c]=a[c];return d}function _classCallCheck(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function _defineProperties(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,"value"in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}function _createClass(a,b,c){return b&&_defineProperties(a.prototype,b),c&&_defineProperties(a,c),a}var Util=/*#__PURE__*/function(){function a(){_classCallCheck(this,a)}return _createClass(a,[{key:"forEach",value:function forEach(a,b){a=a||[];for(var c=0;c<a.length;c++)b(a[c])}},{key:"getScrollTop",value:function getScrollTop(){return document.documentElement&&document.documentElement.scrollTop||document.body.scrollTop}},{key:"isMobile",value:function isMobile(){return window.matchMedia("only screen and (max-width: 680px)").matches}},{key:"isTocStatic",value:function isTocStatic(){return window.matchMedia("only screen and (max-width: 960px)").matches}},{key:"animateCSS",value:function animateCSS(a,b,c,d){var e;Array.isArray(b)||(b=[b]),(e=a.classList).add.apply(e,["animated"].concat(_toConsumableArray(b)));var f=function(){var c;(c=a.classList).remove.apply(c,["animated"].concat(_toConsumableArray(b))),a.removeEventListener("animationend",f),"function"==typeof d&&d()};c||a.addEventListener("animationend",f,!1)}}]),a}(),Theme=/*#__PURE__*/function(){function a(){_classCallCheck(this,a),this.config=window.config,this.data=this.config.data,this.isDark="dark"===document.body.getAttribute("theme"),this.util=new Util,this.newScrollTop=this.util.getScrollTop(),this.oldScrollTop=this.newScrollTop,this.scrollEventSet=new Set,this.resizeEventSet=new Set,this.switchThemeEventSet=new Set,this.clickMaskEventSet=new Set}return _createClass(a,[{key:"initSVGIcon",value:function initSVGIcon(){this.util.forEach(document.querySelectorAll("[data-svg-src]"),function(a){fetch(a.getAttribute("data-svg-src")).then(function(a){return a.text()}).then(function(b){var c=document.createElement("div");c.insertAdjacentHTML("afterbegin",b);var d=c.firstChild;d.setAttribute("data-svg-src",a.getAttribute("data-svg-src")),d.classList.add("icon");var e=d.getElementsByTagName("title");e.length&&d.removeChild(e[0]),a.parentElement.replaceChild(d,a)}).catch(console.error.bind(console))})}},{key:"initTwemoji",value:function initTwemoji(){this.config.twemoji&&twemoji.parse(document.body)}},{key:"initMenuMobile",value:function initMenuMobile(){var a=document.getElementById("menu-toggle-mobile"),b=document.getElementById("menu-mobile");a.addEventListener("click",function(){document.body.classList.toggle("blur"),a.classList.toggle("active"),b.classList.toggle("active")},!1),this._menuMobileOnClickMask=this._menuMobileOnClickMask||function(){a.classList.remove("active"),b.classList.remove("active")},this.clickMaskEventSet.add(this._menuMobileOnClickMask)}},{key:"initSwitchTheme",value:function initSwitchTheme(){var a=this;this.util.forEach(document.getElementsByClassName("theme-switch"),function(b){b.addEventListener("click",function(){"dark"===document.body.getAttribute("theme")?document.body.setAttribute("theme","light"):document.body.setAttribute("theme","dark"),a.isDark=!a.isDark,window.localStorage&&localStorage.setItem("theme",a.isDark?"dark":"light");var b,c=_createForOfIteratorHelper(a.switchThemeEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}},!1)})}},{key:"initSearch",value:function initSearch(){var a=this,b=this.config.search;b.maxResultLength||(b.maxResultLength=10),b.highlightTag||(b.highlightTag="em");var c=this.util.isMobile();if(!(!b||c&&this._searchMobileOnce||!c&&this._searchDesktopOnce)){var d=c?"mobile":"desktop",e=document.getElementById("header-".concat(d)),f=document.getElementById("search-input-".concat(d)),g=document.getElementById("search-toggle-".concat(d)),h=document.getElementById("search-loading-".concat(d)),i=document.getElementById("search-clear-".concat(d));c?(this._searchMobileOnce=!0,f.addEventListener("focus",function(){document.body.classList.add("blur"),e.classList.add("open")},!1),document.getElementById("search-cancel-mobile").addEventListener("click",function(){e.classList.remove("open"),document.body.classList.remove("blur"),document.getElementById("menu-toggle-mobile").classList.remove("active"),document.getElementById("menu-mobile").classList.remove("active"),h.style.display="none",i.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},!1),i.addEventListener("click",function(){i.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},!1),this._searchMobileOnClickMask=this._searchMobileOnClickMask||function(){e.classList.remove("open"),h.style.display="none",i.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},this.clickMaskEventSet.add(this._searchMobileOnClickMask)):(this._searchDesktopOnce=!0,g.addEventListener("click",function(){document.body.classList.add("blur"),e.classList.add("open"),f.focus()},!1),i.addEventListener("click",function(){i.style.display="none",a._searchDesktop&&a._searchDesktop.autocomplete.setVal("")},!1),this._searchDesktopOnClickMask=this._searchDesktopOnClickMask||function(){e.classList.remove("open"),h.style.display="none",i.style.display="none",a._searchDesktop&&a._searchDesktop.autocomplete.setVal("")},this.clickMaskEventSet.add(this._searchDesktopOnClickMask)),f.addEventListener("input",function(){i.style.display=""===f.value?"none":"inline"},!1);var j=function(){var e=autocomplete("#search-input-".concat(d),{hint:!1,autoselect:!0,dropdownMenuContainer:"#search-dropdown-".concat(d),clearOnSelected:!0,cssClasses:{noPrefix:!0},debug:!0},{name:"search",source:function source(c,d){h.style.display="inline",i.style.display="none";var e=function(a){h.style.display="none",i.style.display="inline",d(a)};if("lunr"===b.type){var f=function(){lunr.queryHandler&&(c=lunr.queryHandler(c));var d={};return a._index.search(c).forEach(function(c){var e=c.ref,f=c.matchData.metadata,g=a._indexData[e],h=g.uri,i=g.title,j=g.content;if(!d[h]){var k=0;Object.values(f).forEach(function(a){var b=a.content;if(b){var c=b.position[0][0];(c<k||0===k)&&(k=c)}}),k-=40,0<k?(k+=j.substr(k,25).lastIndexOf(" ")+1,j="..."+j.substr(k,200)):j=j.substr(0,200),Object.keys(f).forEach(function(a){i=i.replace(new RegExp("(".concat(a,")"),"gi"),"<".concat(b.highlightTag,">$1</").concat(b.highlightTag,">")),j=j.replace(new RegExp("(".concat(a,")"),"gi"),"<".concat(b.highlightTag,">$1</").concat(b.highlightTag,">"))}),d[h]={uri:h,title:i,date:g.date,context:j}}}),Object.values(d).slice(0,b.maxResultLength)};a._index?e(f()):fetch(b.lunrIndexURL).then(function(a){return a.json()}).then(function(c){var d={};a._index=lunr(function(){var a=this;b.lunrLanguageCode&&this.use(lunr[b.lunrLanguageCode]),this.ref("objectID"),this.field("title",{boost:50}),this.field("tags",{boost:20}),this.field("categories",{boost:20}),this.field("content",{boost:10}),this.metadataWhitelist=["position"],c.forEach(function(b){d[b.objectID]=b,a.add(b)})}),a._indexData=d,e(f())}).catch(function(a){console.error(a),e([])})}else"algolia"===b.type&&(a._algoliaIndex=a._algoliaIndex||algoliasearch(b.algoliaAppID,b.algoliaSearchKey).initIndex(b.algoliaIndex),a._algoliaIndex.search(c,{offset:0,length:10*b.maxResultLength,attributesToHighlight:["title"],attributesToSnippet:["content:30"],highlightPreTag:"<".concat(b.highlightTag,">"),highlightPostTag:"</".concat(b.highlightTag,">")}).then(function(a){var b=a.hits,c={};b.forEach(function(a){var b=a.uri,d=a.date,e=a._highlightResult.title,f=a._snippetResult.content;c[b]||(c[b]={uri:b,title:e.value,date:d,context:f.value})}),e(Object.values(c))}).catch(function(a){console.error(a),e([])}))},templates:{suggestion:function suggestion(a){var b=a.title,c=a.date,d=a.context;return"<div><span class=\"suggestion-title\">".concat(b,"</span><span class=\"suggestion-date\">").concat(c,"</span></div><div class=\"suggestion-context\">").concat(d,"</div>")},empty:function empty(a){var c=a.query;return"<div class=\"search-empty\">".concat(b.noResultsFound,": <span class=\"search-query\">\"").concat(c,"\"</span></div>")},footer:function footer(a){_objectDestructuringEmpty(a);var c="algolia"===b.type?{searchType:"algolia",icon:"<i class=\"fab fa-algolia fa-fw\"></i>",href:"https://www.algolia.com/"}:{searchType:"Lunr.js",icon:"",href:"https://lunrjs.com/"},d=c.searchType,e=c.icon,f=c.href;return"<div class=\"search-footer\">Search by <a href=\"".concat(f,"\" rel=\"noopener noreffer\" target=\"_blank\">").concat(e," ").concat(d,"</a></div>")}}});e.on("autocomplete:selected",function(a,b){window.location.assign(b.uri)}),c?a._searchMobile=e:a._searchDesktop=e};if(b.lunrSegmentitURL&&!document.getElementById("lunr-segmentit")){var k=document.createElement("script");k.id="lunr-segmentit",k.type="text/javascript",k.src=b.lunrSegmentitURL,k.async=!0,k.readyState?k.onreadystatechange=function(){("loaded"==k.readyState||"complete"==k.readyState)&&(k.onreadystatechange=null,j())}:k.onload=function(){j()},document.body.appendChild(k)}else j()}}},{key:"initDetails",value:function initDetails(){this.util.forEach(document.getElementsByClassName("details"),function(a){var b=a.getElementsByClassName("details-summary")[0];b.addEventListener("click",function(){a.classList.toggle("open")},!1)})}},{key:"initLightGallery",value:function initLightGallery(){this.config.lightGallery&&lightGallery(document.getElementById("content"),this.config.lightGallery)}},{key:"initHighlight",value:function initHighlight(){var a=this;this.util.forEach(document.querySelectorAll(".highlight > pre.chroma"),function(a){var b=document.createElement("div");b.className=a.className;var c=document.createElement("table");b.appendChild(c);var d=document.createElement("tbody");c.appendChild(d);var e=document.createElement("tr");d.appendChild(e);var f=document.createElement("td");e.appendChild(f),a.parentElement.replaceChild(b,a),f.appendChild(a)}),this.util.forEach(document.querySelectorAll(".highlight > .chroma"),function(b){var c=b.querySelectorAll("pre.chroma > code");if(c.length){var d=c[c.length-1],e=document.createElement("div");e.className="code-header "+d.className.toLowerCase();var f=document.createElement("span");f.classList.add("code-title"),f.insertAdjacentHTML("afterbegin","<i class=\"arrow fas fa-chevron-right fa-fw\"></i>"),f.addEventListener("click",function(){b.classList.toggle("open")},!1),e.appendChild(f);var g=document.createElement("span");g.insertAdjacentHTML("afterbegin","<i class=\"fas fa-ellipsis-h fa-fw\"></i>"),g.classList.add("ellipses"),g.addEventListener("click",function(){b.classList.add("open")},!1),e.appendChild(g);var h=document.createElement("span");h.insertAdjacentHTML("afterbegin","<i class=\"far fa-copy fa-fw\"></i>"),h.classList.add("copy");var i=d.innerText;if((0>a.config.code.maxShownLines||i.split("\n").length<a.config.code.maxShownLines+2)&&b.classList.add("open"),a.config.code.copyTitle){h.setAttribute("data-clipboard-text",i),h.title=a.config.code.copyTitle;var j=new ClipboardJS(h);j.on("success",function(){a.util.animateCSS(d,"flash")}),e.appendChild(h)}b.insertBefore(e,b.firstChild)}})}},{key:"initTable",value:function initTable(){this.util.forEach(document.querySelectorAll(".content table"),function(a){var b=document.createElement("div");b.className="table-wrapper",a.parentElement.replaceChild(b,a),b.appendChild(a)})}},{key:"initHeaderLink",value:function initHeaderLink(){for(var a=1;6>=a;a++)this.util.forEach(document.querySelectorAll(".single .content > h"+a),function(a){a.classList.add("headerLink"),a.insertAdjacentHTML("afterbegin","<a href=\"#".concat(a.id,"\" class=\"header-mark\"></a>"))})}},{key:"initToc",value:function initToc(){var a=this,b=document.getElementById("TableOfContents");if(null!==b)if(this.util.isTocStatic()){var o=document.getElementById("toc-content-static");b.parentElement!==o&&(b.parentElement.removeChild(b),o.appendChild(b)),this._tocOnScroll&&this.scrollEventSet.delete(this._tocOnScroll)}else{var p=document.getElementById("toc-content-auto");b.parentElement!==p&&(b.parentElement.removeChild(b),p.appendChild(b));var c=document.getElementById("toc-auto"),d=document.getElementsByClassName("page")[0],e=d.getBoundingClientRect();c.style.left="".concat(e.left+e.width+20,"px"),c.style.maxWidth="".concat(d.getBoundingClientRect().left-20,"px");var f=b.querySelectorAll("a:first-child"),g=b.getElementsByTagName("li"),h=document.getElementsByClassName("headerLink"),j="normal"!==this.config.headerMode.desktop,k=document.getElementById("header-desktop").offsetHeight,l=20+(j?k:0),m=c.offsetTop,n=m-l+(j?0:k);this._tocOnScroll=this._tocOnScroll||function(){var d=document.getElementById("post-footer").offsetTop,e=d-c.getBoundingClientRect().height,o=e-l+(j?0:k);a.newScrollTop<n?(c.style.position="absolute",c.style.top="".concat(m,"px")):a.newScrollTop>o?(c.style.position="absolute",c.style.top="".concat(e,"px")):(c.style.position="fixed",c.style.top="".concat(l,"px")),a.util.forEach(f,function(a){a.classList.remove("active")}),a.util.forEach(g,function(a){a.classList.remove("has-active")});for(var p=20+(j?k:0),q=h.length-1,r=0;r<h.length-1;r++){var s=h[r].getBoundingClientRect().top,t=h[r+1].getBoundingClientRect().top;if(0==r&&s>p||s<=p&&t>p){q=r;break}}if(-1!==q){f[q].classList.add("active");for(var u=f[q].parentElement;u!==b;)u.classList.add("has-active"),u=u.parentElement.parentElement}},this._tocOnScroll(),this.scrollEventSet.add(this._tocOnScroll)}}},{key:"initMath",value:function initMath(){this.config.math&&renderMathInElement(document.body,this.config.math)}},{key:"initMermaid",value:function initMermaid(){var a=this,b=document.getElementsByClassName("mermaid");b.length&&(mermaid.initialize({startOnLoad:!1,theme:"null"}),this.util.forEach(b,function(b){mermaid.mermaidAPI.render("svg-"+b.id,a.data[b.id],function(a){b.insertAdjacentHTML("afterbegin",a)},b)}))}},{key:"initEcharts",value:function initEcharts(){var a=this;this._echartsOnSwitchTheme=this._echartsOnSwitchTheme||function(){a._echartsArr=a._echartsArr||[];for(var b=0;b<a._echartsArr.length;b++)a._echartsArr[b].dispose();a._echartsArr=[],a.util.forEach(document.getElementsByClassName("echarts"),function(b){var c=echarts.init(b,a.isDark?"dark":"macarons",{renderer:"svg"});c.setOption(JSON.parse(a.data[b.id])),a._echartsArr.push(c)})},this.switchThemeEventSet.add(this._echartsOnSwitchTheme),this._echartsOnSwitchTheme(),this._echartsOnResize=this._echartsOnResize||function(){for(var b=0;b<a._echartsArr.length;b++)a._echartsArr[b].resize()},this.resizeEventSet.add(this._echartsOnResize)}},{key:"initMapbox",value:function initMapbox(){var a=this;this.config.mapbox&&(mapboxgl.accessToken=this.config.mapbox.accessToken,mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin),this._mapboxArr=this._mapboxArr||[],this.util.forEach(document.getElementsByClassName("mapbox"),function(b){var c=a.data[b.id],d=c.lng,e=c.lat,f=c.zoom,g=c.lightStyle,h=c.darkStyle,i=c.marked,j=c.navigation,k=c.geolocate,l=c.scale,m=c.fullscreen,n=new mapboxgl.Map({container:b,center:[d,e],zoom:f,minZoom:.2,style:a.isDark?h:g,attributionControl:!1});i&&new mapboxgl.Marker().setLngLat([d,e]).addTo(n),j&&n.addControl(new mapboxgl.NavigationControl,"bottom-right"),k&&n.addControl(new mapboxgl.GeolocateControl({positionOptions:{enableHighAccuracy:!0},showUserLocation:!0,trackUserLocation:!0}),"bottom-right"),l&&n.addControl(new mapboxgl.ScaleControl),m&&n.addControl(new mapboxgl.FullscreenControl),n.addControl(new MapboxLanguage),a._mapboxArr.push(n)}),this._mapboxOnSwitchTheme=this._mapboxOnSwitchTheme||function(){a.util.forEach(a._mapboxArr,function(b){var c=b.getContainer(),d=a.data[c.id],e=d.lightStyle,f=d.darkStyle;b.setStyle(a.isDark?f:e),b.addControl(new MapboxLanguage)})},this.switchThemeEventSet.add(this._mapboxOnSwitchTheme))}},{key:"initTypeit",value:function initTypeit(){var a=this;this.config.typeit&&this.config.typeit.forEach(function(b){var c=function(d){var e=b[d];if(d===b.length-1)return void new TypeIt("#".concat(e),{strings:a.data[e]}).go();var f=new TypeIt("#".concat(e),{strings:a.data[e],afterComplete:function afterComplete(){f.destroy(),c(d+1)}}).go()};c(0)})}},{key:"initComment",value:function initComment(){if(this.config.comment&&this.config.comment.gitalk){this.config.comment.gitalk.body=decodeURI(window.location.href);var a=new Gitalk(this.config.comment.gitalk.body);a.render("gitalk")}this.config.comment&&this.config.comment.valine&&new Valine(this.config.comment.valine)}},{key:"initSmoothScroll",value:function initSmoothScroll(){!this.util.isMobile()&&"normal"===this.config.headerMode.desktop||this.util.isMobile()&&"normal"===this.config.headerMode.mobile?new SmoothScroll("[href^=\"#\"]",{speed:300,speedAsDuration:!0}):new SmoothScroll("[href^=\"#\"]",{speed:300,speedAsDuration:!0,header:"#header-desktop"})}},{key:"onScroll",value:function onScroll(){var a=this,b=[];if("auto"===this.config.headerMode.desktop&&b.push(document.getElementById("header-desktop")),"auto"===this.config.headerMode.mobile&&b.push(document.getElementById("header-mobile")),document.getElementById("comments")){var e=document.getElementById("view-comments");e.href="#comments",e.style.display="block"}var c=document.getElementById("fixed-buttons"),d=20;window.addEventListener("scroll",function(){a.newScrollTop=a.util.getScrollTop();var e=a.newScrollTop-a.oldScrollTop;a.util.forEach(b,function(b){e>d?(b.classList.remove("fadeInDown"),a.util.animateCSS(b,["fadeOutUp","faster"],!0)):e<-d&&(b.classList.remove("fadeOutUp"),a.util.animateCSS(b,["fadeInDown","faster"],!0))}),a.newScrollTop>d?e>d?(c.classList.remove("fadeIn"),a.util.animateCSS(c,["fadeOut","faster"],!0)):e<-d&&(c.style.display="block",c.classList.remove("fadeOut"),a.util.animateCSS(c,["fadeIn","faster"],!0)):c.style.display="none";var f,g=_createForOfIteratorHelper(a.scrollEventSet);try{for(g.s();!(f=g.n()).done;){var h=f.value;h()}}catch(a){g.e(a)}finally{g.f()}a.oldScrollTop=a.newScrollTop},!1)}},{key:"onResize",value:function onResize(){var a=this;window.addEventListener("resize",function(){a._resizeTimeout||(a._resizeTimeout=window.setTimeout(function(){a._resizeTimeout=null;var b,c=_createForOfIteratorHelper(a.resizeEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}a.initToc(),a.initSmoothScroll(),a.initMermaid(),a.initSearch()},100))},!1)}},{key:"onClickMask",value:function onClickMask(){var a=this;document.getElementById("mask").addEventListener("click",function(){var b,c=_createForOfIteratorHelper(a.clickMaskEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}document.body.classList.remove("blur")},!1)}},{key:"init",value:function init(){this.initSVGIcon(),this.initTwemoji(),this.initMenuMobile(),this.initSwitchTheme(),this.initSearch(),this.initDetails(),this.initLightGallery(),this.initHighlight(),this.initTable(),this.initHeaderLink(),this.initToc(),this.initComment(),this.initSmoothScroll(),this.initMath(),this.initMermaid(),this.initEcharts(),this.initTypeit(),this.initMapbox(),this.onScroll(),this.onResize(),this.onClickMask()}}]),a}(),themeInit=function(){var a=new Theme;a.init()};"loading"===document.readyState?document.addEventListener("DOMContentLoaded",themeInit,!1):themeInit();

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