feat(code): add support for code block folding (#259)

32 files changed, 344 insertions, 263 deletions

diff --git a/assets/css/_core/_base.scss b/assets/css/_core/_base.scss
index 75c92b2..7efc2c6 100644
--- a/assets/css/_core/_base.scss
+++ b/assets/css/_core/_base.scss
@@ -50,4 +50,5 @@ a {
 @include link(true, true);
 
 @import "../_partial/icon";
+@import "../_partial/details";
 @import "../_partial/fixed-button";
diff --git a/assets/css/_core/_media.scss b/assets/css/_core/_media.scss
index 4d02c4e..e9579a9 100644
--- a/assets/css/_core/_media.scss
+++ b/assets/css/_core/_media.scss
@@ -1,12 +1,12 @@
 @media only screen and (max-width: 1440px) {
   .page {
-    max-width: 56%;
+    width: 56%;
   }
 }
 
 @media only screen and (max-width: 1200px) {
   .page {
-    max-width: 52%;
+    width: 52%;
   }
 }
 
@@ -20,7 +20,7 @@
   }
 
   .page {
-    max-width: 80%;
+    width: 80%;
   }
 }
 
@@ -38,7 +38,7 @@
   }
 
   .page {
-    max-width: 100%;
+    width: 100%;
     padding-top: $page-padding-top-mobile;
 
     .categories-card {
diff --git a/assets/css/_page/_index.scss b/assets/css/_page/_index.scss
index c4b4636..0aa85a9 100644
--- a/assets/css/_page/_index.scss
+++ b/assets/css/_page/_index.scss
@@ -1,7 +1,7 @@
 .page {
   position: relative;
-  width: 100%;
-  max-width: 60%;
+  max-width: 800px;
+  width: 60%;
   margin: 0 auto;
   padding-top: $page-padding-top-desktop;
 
diff --git a/assets/css/_page/_single.scss b/assets/css/_page/_single.scss
index d93e9a9..272444f 100644
--- a/assets/css/_page/_single.scss
+++ b/assets/css/_page/_single.scss
@@ -4,6 +4,7 @@
   .single-title {
     margin: 1rem 0 .5rem;
     font-size: 1.6rem;
+    font-weight: bold;
     line-height: 140%;
   }
 
@@ -35,7 +36,7 @@
   }
 
   .featured-image {
-    margin: .5rem 0;
+    margin: .5rem 0 1rem 0;
 
     img {
       display: block;
@@ -194,10 +195,10 @@
 
         th, td {
           padding: .3rem 1rem;
-          border: 1px double $global-border-color;
+          border: 1px solid darken($table-thead-color, 2%);
 
           .dark & {
-            border: 1px double $global-border-color-dark;
+            border-color: darken($table-thead-color-dark, 2%);
           }
         }
       }
diff --git a/assets/css/_partial/_details.scss b/assets/css/_partial/_details.scss
new file mode 100644
index 0000000..885e725
--- /dev/null
+++ b/assets/css/_partial/_details.scss
@@ -0,0 +1,33 @@
+.details {
+  .details-summary {
+    &:hover {
+      cursor: pointer;
+    }
+  }
+
+  i.details-icon {
+    color: $global-font-secondary-color;
+    @include transition(transform 0.2s ease);
+
+    .dark & {
+      color: $global-font-secondary-color-dark;
+    }
+  }
+
+  .details-content {
+    max-height: 0;
+    overflow-y: hidden;
+    @include transition(max-height 0.8s cubic-bezier(0, 1, 0, 1) -0.1s);
+  }
+
+  &.open {
+    i.details-icon {
+      @include transform(rotate(180deg));
+    }
+
+    .details-content {
+      max-height: $MAX_LENGTH;
+      @include transition(max-height 0.8s cubic-bezier(0.5, 0, 1, 0) 0s);
+    }
+  }
+}
diff --git a/assets/css/_partial/_fixed-button.scss b/assets/css/_partial/_fixed-button.scss
index 531c3e1..8f83f61 100644
--- a/assets/css/_partial/_fixed-button.scss
+++ b/assets/css/_partial/_fixed-button.scss
@@ -12,7 +12,6 @@
   padding: .6rem .6rem;
   color: $global-font-secondary-color;
   background: $header-background-color;
-  border: 1px solid darken($global-border-color, 10%);
   @include border-radius(2rem);
 
   @include blur;
@@ -29,7 +28,6 @@
   .dark & {
     color: $global-font-secondary-color-dark;
     background: $header-background-color-dark;
-    border-color: darken($global-border-color-dark, 10%);
 
     &:hover, &:active {
       color: $global-font-color-dark;
diff --git a/assets/css/_partial/_header.scss b/assets/css/_partial/_header.scss
index 7b3cd46..9c2c3dd 100644
--- a/assets/css/_partial/_header.scss
+++ b/assets/css/_partial/_header.scss
@@ -2,7 +2,6 @@ header {
   width: 100%;
   z-index: 150;
   background-color: $header-background-color;
-  @include box-shadow(0px 1px 4px rgba(0, 0, 0, .1));
 
   .dark & {
     background-color: $header-background-color-dark;
@@ -65,7 +64,7 @@ header {
     outline: none;
     background-color: $header-background-color;
     vertical-align: baseline !important;
-    @include transition(width 0.3s ease 0s);
+    @include transition(width 0.3s ease);
 
     .dark & {
       background-color: $header-background-color-dark;
@@ -208,7 +207,7 @@ header {
     .header-wrapper {
       padding: 0 1rem;
       font-size: 1.125rem;
-      @include transition(margin-top 0.3s ease 0s);
+      @include transition(margin-top 0.3s ease);
 
       .header-title {
         font-size: $header-title-font-size;
@@ -218,7 +217,7 @@ header {
       .menu-toggle {
         line-height: 4rem;
         cursor: pointer;
-        @include transition(width 0.3s ease 0s);
+        @include transition(width 0.3s ease);
 
         span {
           display: block;
diff --git a/assets/css/_partial/_single/_admonition.scss b/assets/css/_partial/_single/_admonition.scss
index 0eb6c60..c032849 100644
--- a/assets/css/_partial/_single/_admonition.scss
+++ b/assets/css/_partial/_single/_admonition.scss
@@ -9,23 +9,32 @@
   .admonition-title {
     margin: 0 -0.75rem;
     padding: .2rem .75rem .2rem 1.8rem;
-    border-bottom: .05rem solid map-get($admonition-background-color-map, 'note');
+    border-bottom: 1px solid map-get($admonition-background-color-map, 'note');
     background-color: map-get($admonition-background-color-map, 'note');
   }
 
+  .details-summary.admonition-title:hover {
+    background-color: darken(map-get($admonition-background-color-map, 'note'), 6%);
+  }
+
   .admonition-content {
-    margin: .5rem 0;
+    padding: .5rem 0;
   }
 
   i.icon {
     font-size: 0.85rem;
     color: map-get($admonition-color-map, 'note');
-    cursor: auto;
     position: absolute;
     left: .6rem;
     top: .6rem;
   }
 
+  i.details-icon {
+    position: absolute;
+    top: .5rem;
+    right: .5rem;
+  }
+
   @each $type, $color in $admonition-color-map {
     &.#{$type} {
       border-left-color: $color;
@@ -44,39 +53,14 @@
         border-bottom-color: $color;
         background-color: $color;
       }
-    }
-  }
 
-  &:last-child {
-    margin-bottom: .75rem;
-  }
-}
-
-details.admonition {
-  summary {
-    display: block;
-    outline: none;
-    cursor: pointer;
-
-    &::-webkit-details-marker {
-      display: none;
-    }
-
-    i.details {
-      position: absolute;
-      top: .5rem;
-      right: .5rem;
-      color: $global-font-color;
-
-      .dark & {
-        color: $global-font-color-dark;
+      .details-summary.admonition-title:hover {
+        background-color: darken($color, 6%);
       }
     }
   }
-}
 
-details.admonition[open] {
-  i.details {
-    @include transform(rotate(180deg));
+  &:last-child {
+    margin-bottom: .75rem;
   }
 }
diff --git a/assets/css/_partial/_single/_code.scss b/assets/css/_partial/_single/_code.scss
index 55771d2..ffd8930 100644
--- a/assets/css/_partial/_single/_code.scss
+++ b/assets/css/_partial/_single/_code.scss
@@ -1,51 +1,27 @@
 code {
+  display:inline-block;
   font-size: $code-font-size;
   font-family: $code-font-family;
   color: $code-color;
-
-  img {
-    min-height: 1.25em;
-    max-height: 1.25em;
-  }
+  padding: 0 .4rem;
 
   .dark & {
     color: $code-color-dark;
   }
-
-  &:not(.block) {
-    padding: .2rem .4rem;
-  }
 }
 
 pre {
-  position: relative;
   margin: 0;
   padding: .25rem 0 .25rem .5rem;
   @include tab-size(4);
 
-  .copy-button {
-    font-size: $code-font-size;
-    line-height: 1.4em;
-    position: absolute;
-    top: 0;
-    right: 0;
-    padding: .3rem .5rem;
-    color: $code-info-color;
-    background: darken($code-background-color, 3%);
-
-    .dark & {
-      color: $code-info-color-dark;
-      background: darken($code-background-color-dark, 3%);
-    }
+  code {
+    padding: 0;
   }
 
-  .copy-button:hover, .copy-button:focus {
-    cursor: pointer;
-    color: $global-link-hover-color;
-
-    .dark & {
-      color: $global-link-hover-color-dark;
-    }
+  img {
+    min-height: 1.25em;
+    max-height: 1.25em;
   }
 }
 
@@ -57,41 +33,62 @@ code, pre, .highlight table, .highlight tr, .highlight td {
   }
 }
 
-.highlight > .chroma, .gist {
-  table, tr, td {
-    margin: 0;
-    padding: 0;
-    border: none !important;
-    white-space: nowrap;
+.highlight, .gist {
+  font-family: $code-font-family;
+  font-size: $code-font-size;
+
+  .table-wrapper {
+    > table,
+    > table thead,
+    > table tr,
+    > table td {
+      margin: 0;
+      padding: 0;
+      border: none !important;
+      white-space: nowrap;
+    }
   }
 }
 
 .highlight > .chroma {
   position: relative;
+  line-height: 1.4em;
   margin: .5rem 0;
 
-  pre {
-    position: unset;
-  }
-
-  &::before {
-    display: block;
-    padding: .3rem .4rem;
+  .code-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    box-sizing: border-box;
+    width: 100%;
     font-family: $global-font-family;
     font-weight: bold;
     color: $code-info-color;
-    background: darken($code-background-color, 3%);
-    content: 'Code';
+    background: darken($code-background-color, 8%);
 
     .dark & {
       color: $code-info-color-dark;
-      background: darken($code-background-color-dark, 3%);
+      background: darken($code-background-color-dark, 6%);
+    }
+
+    &:hover {
+      cursor: pointer;
+    }
+
+    .code-title {
+      width: 100%;
+      padding: .4rem;
+    }
+
+    .code-title::after {
+      padding-left: .2rem;
+      content: 'Code';
     }
-  }
 
-  @each $type, $text in $code-type-map {
-    &.#{$type}::before {
-      content: $text;
+    @each $type, $text in $code-type-map {
+      &.#{$type} .code-title::after {
+        content: $text;
+      }
     }
   }
 
@@ -124,12 +121,62 @@ code, pre, .highlight table, .highlight tr, .highlight td {
       color: $global-font-secondary-color-dark;
     }
   }
-}
 
-.highlight {
-  font-family: $code-font-family;
-  font-size: $code-font-size;
-  line-height: 1.4em;
+  .arrow {
+    @include transition(transform 0.2s ease);
+  }
+
+  .ellipses {
+    padding: .4rem;
+  }
+
+  .copy {
+    display: none;
+    padding: .4rem;
+
+    &:hover {
+      cursor: pointer;
+      color: $global-link-hover-color;
+
+      .dark & {
+        color: $global-link-hover-color-dark;
+      }
+    }
+  }
+
+  .table-wrapper {
+    max-height: 0;
+    overflow-y: hidden;
+    @include transition(max-height 0.8s cubic-bezier(0, 1, 0, 1) -0.1s);
+  }
+
+  &.open {
+    .code-header {
+      background: darken($code-background-color, 3%);
+
+      .dark & {
+        background: darken($code-background-color-dark, 3%);
+      }
+    }
+
+    .table-wrapper {
+      max-height: $MAX_LENGTH;
+      @include transition(max-height 0.8s cubic-bezier(0.5, 0, 1, 0) 0s);
+    }
+
+    .arrow {
+      @include transform(rotate(90deg));
+    }
+
+    .ellipses {
+      display: none;
+    }
+
+    .copy {
+      display: inline;
+    }
+  }
+
   /* Comment */  .c,
   /* CommentHashbang */  .ch,
   /* CommentMultiline */  .cm,
diff --git a/assets/css/_partial/_single/_toc.scss b/assets/css/_partial/_single/_toc.scss
index 139a5b3..10a597d 100644
--- a/assets/css/_partial/_single/_toc.scss
+++ b/assets/css/_partial/_single/_toc.scss
@@ -1,13 +1,62 @@
+.toc {
+  .toc-title {
+    font-size: $toc-title-font-size;
+    font-weight: bold;
+    text-transform: uppercase;
+  }
+
+  .toc-content {
+    font-size: $toc-content-font-size;
+
+    ul {
+      text-indent: -0.85rem;
+      padding-left: .8rem;
+      list-style: none;
+
+      a::before {
+        content: "|";
+        font-weight: bolder;
+        margin-right: .5rem;
+        color: $single-link-color;
+
+        .dark & {
+          color: $single-link-color-dark;
+        }
+      }
+
+      ul {
+        padding-left: 1.5rem;
+      }
+    }
+  }
+
+  ruby {
+    background: $code-background-color;
+
+    rt {
+      color: $global-font-secondary-color;
+    }
+
+    .dark & {
+      background: $code-background-color-dark;
+
+      rt {
+        color: $global-font-secondary-color-dark;
+      }
+    }
+  }
+}
+
 #toc-auto {
   display: block;
   position: absolute;
-  width: 1000px;
+  width: $MAX_LENGTH;
   padding: 0 .8rem;
-  border-left: 1px solid $global-border-color;
+  border-left: 4px solid $global-border-color;
   overflow-wrap: break-word;
   box-sizing: border-box;
   top: if($header-normal-mode-desktop, 5rem, 10rem);
-  left: 10000px;
+  left: $MAX_LENGTH;
 
   @include blur;
 
@@ -16,9 +65,7 @@
   }
 
   .toc-title {
-    font-weight: 400;
     margin: .8rem 0;
-    text-transform: uppercase;
   }
 
   .toc-content {
@@ -26,28 +73,12 @@
       display: block;
     }
 
-    >nav>ul {
+    > nav > ul {
       margin: .625rem 0;
     }
 
     ul {
-      text-indent: -0.85rem;
-      padding-left: .625rem;
-      list-style: none;
-
-      a::before {
-        content: "|";
-        font-weight: bolder;
-        margin-right: .5rem;
-        color: $single-link-color;
-
-        .dark & {
-          color: $single-link-color-dark;
-        }
-      }
-
       ul {
-        padding-left: 1.25rem;
         display: none;
       }
 
@@ -79,58 +110,32 @@
   display: none;
   margin: .8rem 0;
 
-  details {
-    summary {
-      list-style: none;
-      background: darken($code-background-color, 3%);
-
-      .dark & {
-        background: darken($code-background-color-dark, 3%);
-      }
+  .toc-title {
+    display: flex;
+    justify-content: space-between;
+    line-height: 2em;
+    padding: 0 .75rem;
+    background: darken($code-background-color, 3%);
 
-      .toc-title {
-        display: block;
-        display: flex;
-        justify-content: space-between;
-        font-weight: bold;
-        line-height: 2em;
-        padding: 0 .625rem;
-
-        i.details {
-          line-height: 2em;
-        }
+    .dark & {
+      background: darken($code-background-color-dark, 3%);
+    }
 
-        &:hover {
-          cursor: pointer;
-        }
-      }
+    &:hover {
+      background: darken($code-background-color, 6%);
 
-      &::-webkit-details-marker {
-        display: none;
+      .dark & {
+        background: darken($code-background-color-dark, 5%);
       }
     }
   }
 
-  details[open] {
-    i.details {
-      @include transform(rotate(180deg));
-    }
-  }
-
   .toc-content {
     background-color: $code-background-color;
 
     > nav > ul {
       margin: 0;
-      padding: .4rem .8rem;
-    }
-
-    ul {
-      list-style: none;
-
-      ul {
-        padding-left: 1.25rem;
-      }
+      padding: .4rem 1rem .4rem 1.8rem;
     }
 
     .dark & {
@@ -138,29 +143,3 @@
     }
   }
 }
-
-.toc {
-  .toc-title {
-    font-size: $toc-title-font-size;
-  }
-
-  .toc-content {
-    font-size: $toc-content-font-size;
-  }
-
-  ruby {
-    background: $code-background-color;
-
-    rt {
-      color: $global-font-secondary-color;
-    }
-
-    .dark & {
-      background: $code-background-color-dark;
-
-      rt {
-        color: $global-font-secondary-color-dark;
-      }
-    }
-  }
-}
diff --git a/assets/css/_variables.scss b/assets/css/_variables.scss
index f3df28d..a396482 100644
--- a/assets/css/_variables.scss
+++ b/assets/css/_variables.scss
@@ -122,7 +122,7 @@ $code-color-dark: #E5BF78 !default;
 $code-background-color: #f5f5f5 !default;
 $code-background-color-dark: #272C34 !default;
 
-$code-info-color: #b1b0b0 !default;
+$code-info-color: #acabab !default;
 $code-info-color-dark: #b1b0b0 !default;
 
 // Font size of the code
@@ -370,3 +370,5 @@ $admonition-background-color-map: (
   'quote': hsla(0,0%,62%,.1),
 ) !default;
 // ========== Admonition ========== //
+
+$MAX_LENGTH: 9999px;
diff --git a/assets/js/theme.min.js b/assets/js/theme.min.js
index b648f90..31bb7a9 100644
--- a/assets/js/theme.min.js
+++ b/assets/js/theme.min.js
@@ -1,4 +1,4 @@
 "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=document.body.classList.contains("dark"),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:"initIcon",value:function initIcon(){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"),a.parentElement.replaceChild(d,a)}).catch(console.error.bind(console))})}},{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(){document.body.classList.toggle("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,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: true,
-},{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(){return lunr.queryHandler&&(c=lunr.queryHandler(c)),a._index.search(c).slice(0,12).map(function(b){var c=b.ref,d=b.matchData.metadata,e=a._indexData[c],f=e.title,g=e.content,h=0;return Object.values(d).forEach(function(a){var b=a.description,c=a.content;if(b)g=e.description,h=-1;else if(c){var d=c.position[0][0];(d<h||0===h)&&(h=d)}}),h-=40,0<h?(h+=g.substr(h,25).lastIndexOf(" ")+1,g="..."+g.substr(h,200)):g=g.substr(0,200),Object.keys(d).forEach(function(a){f=f.replace(new RegExp("(".concat(a,")"),"gi"),"<em>$1</em>"),g=g.replace(new RegExp("(".concat(a,")"),"gi"),"<em>$1</em>")}),{uri:e.uri,title:f,date:e.date,context:g}})};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("uri"),this.field("title",{boost:50}),this.field("tags",{boost:20}),this.field("description",{boost:10}),this.field("content",{boost:5}),this.metadataWhitelist=["position"],c.forEach(function(b){d[b.uri]=b,a.add(b)})}),a._indexData=d,e(f())}).catch(function(a){console.error(a),e([])})}else"algolia"===b.type&&(h.style.display="inline",i.style.display="none",a._algoliaIndex=a._algoliaIndex||algoliasearch(b.algoliaAppID,b.algoliaSearchKey).initIndex(b.algoliaIndex),a._algoliaIndex.search(c,{offset:0,length:12,attributesToHighlight:["title","content"]}).then(function(a){var b=a.hits;e(b.map(function(a){var b=a.uri,c=a.date,d=a._highlightResult,e=d.title,f=d.content;return{uri:b,title:e.value,date:c,context:f.value}}))}).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:"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 > .chroma"),function(a){var b=a.querySelectorAll("pre.chroma > code");b.length&&(a.className+=" "+b[b.length-1].className.toLowerCase(),b[0].classList.add("lnc"),b[b.length-1].classList.remove("lnc"))}),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("pre > code"),function(b){if(b.classList.add("block"),!b.classList.contains("lnc")&&a.config.clipboard){var c=document.createElement("div");c.classList.add("copy-button"),c.insertAdjacentHTML("afterbegin","<i class=\"far fa-copy fa-fw\"></i>"),c.setAttribute("data-clipboard-text",b.innerText),c.title=a.config.clipboard.title;var d=new ClipboardJS(c);d.on("success",function(){a.util.animateCSS(b,"flash")}),b.after(c)}})}},{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.getElementsByTagName("a"),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.initIcon(),this.initMenuMobile(),this.initSwitchTheme(),this.initSearch(),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();
+},{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(){return lunr.queryHandler&&(c=lunr.queryHandler(c)),a._index.search(c).slice(0,12).map(function(b){var c=b.ref,d=b.matchData.metadata,e=a._indexData[c],f=e.title,g=e.content,h=0;return Object.values(d).forEach(function(a){var b=a.description,c=a.content;if(b)g=e.description,h=-1;else if(c){var d=c.position[0][0];(d<h||0===h)&&(h=d)}}),h-=40,0<h?(h+=g.substr(h,25).lastIndexOf(" ")+1,g="..."+g.substr(h,200)):g=g.substr(0,200),Object.keys(d).forEach(function(a){f=f.replace(new RegExp("(".concat(a,")"),"gi"),"<em>$1</em>"),g=g.replace(new RegExp("(".concat(a,")"),"gi"),"<em>$1</em>")}),{uri:e.uri,title:f,date:e.date,context:g}})};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("uri"),this.field("title",{boost:50}),this.field("tags",{boost:20}),this.field("description",{boost:10}),this.field("content",{boost:5}),this.metadataWhitelist=["position"],c.forEach(function(b){d[b.uri]=b,a.add(b)})}),a._indexData=d,e(f())}).catch(function(a){console.error(a),e([])})}else"algolia"===b.type&&(h.style.display="inline",i.style.display="none",a._algoliaIndex=a._algoliaIndex||algoliasearch(b.algoliaAppID,b.algoliaSearchKey).initIndex(b.algoliaIndex),a._algoliaIndex.search(c,{offset:0,length:12,attributesToHighlight:["title","content"]}).then(function(a){var b=a.hits;e(b.map(function(a){var b=a.uri,c=a.date,d=a._highlightResult,e=d.title,f=d.content;return{uri:b,title:e.value,date:c,context:f.value}}))}).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 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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 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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.initIcon(),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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diff --git a/assets/js/theme.min.js.map b/assets/js/theme.min.js.map
index 8d90990..b351c21 100644
--- a/assets/js/theme.min.js.map
+++ b/assets/js/theme.min.js.map
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Util {\n    forEach(elements, handler) {\n        elements = elements || [];\n        for (let i = 0; i < elements.length; i++) handler(elements[i]);\n    }\n\n    getScrollTop() {\n        return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;\n    }\n\n    isMobile() {\n        return window.matchMedia('only screen and (max-width: 680px)').matches;\n    }\n\n    isTocStatic() {\n        return window.matchMedia('only screen and (max-width: 960px)').matches;\n    }\n\n    animateCSS(element, animation, reserved, callback) {\n        if (!Array.isArray(animation)) animation = [animation];\n        element.classList.add('animated', ...animation);\n        const handler = () => {\n            element.classList.remove('animated', ...animation);\n            element.removeEventListener('animationend', handler);\n            if (typeof callback === 'function') callback();\n        };\n        if (!reserved) element.addEventListener('animationend', handler, false);\n    }\n}\n\nclass Theme {\n    constructor() {\n        this.config = window.config;\n        this.data = this.config.data;\n        this.isDark = document.body.classList.contains('dark');\n        this.util = new Util();\n        this.newScrollTop = this.util.getScrollTop();\n        this.oldScrollTop = this.newScrollTop;\n        this.scrollEventSet = new Set();\n        this.resizeEventSet = new Set();\n        this.switchThemeEventSet = new Set();\n        this.clickMaskEventSet = new Set();\n    }\n\n    initIcon() {\n        this.util.forEach(document.querySelectorAll('[data-svg-src]'), $icon => {\n            fetch($icon.getAttribute('data-svg-src'))\n                .then(response => response.text())\n                .then(svg => {\n                    const $temp = document.createElement('div');\n                    $temp.insertAdjacentHTML('afterbegin', svg);\n                    const $svg = $temp.firstChild;\n                    $svg.setAttribute('data-svg-src', $icon.getAttribute('data-svg-src'));\n                    $svg.classList.add('icon');\n                    $icon.parentElement.replaceChild($svg, $icon);\n                })\n                .catch(console.error.bind(console));\n        });\n    }\n\n    initMenuMobile() {\n        const $menuToggleMobile = document.getElementById('menu-toggle-mobile');\n        const $menuMobile = document.getElementById('menu-mobile');\n        $menuToggleMobile.addEventListener('click', () => {\n            document.body.classList.toggle('blur');\n            $menuToggleMobile.classList.toggle('active');\n            $menuMobile.classList.toggle('active');\n        }, false);\n        this._menuMobileOnClickMask = this._menuMobileOnClickMask || (() => {\n            $menuToggleMobile.classList.remove('active');\n            $menuMobile.classList.remove('active');\n        });\n        this.clickMaskEventSet.add(this._menuMobileOnClickMask);\n    }\n\n    initSwitchTheme() {\n        this.util.forEach(document.getElementsByClassName('theme-switch'), $themeSwitch => {\n            $themeSwitch.addEventListener('click', () => {\n                document.body.classList.toggle('dark');\n                this.isDark = !this.isDark;\n                window.localStorage && localStorage.setItem('theme', this.isDark ? 'dark' : 'light');\n                for (let event of this.switchThemeEventSet) event();\n            }, false);\n        });\n    }\n\n    initSearch() {\n        const searchConfig = this.config.search;\n        const isMobile = this.util.isMobile();\n        if (!searchConfig || isMobile && this._searchMobileOnce || !isMobile && this._searchDesktopOnce) return;\n        const classSuffix = isMobile ? 'mobile' : 'desktop';\n        const $header = document.getElementById(`header-${classSuffix}`);\n        const $searchInput = document.getElementById(`search-input-${classSuffix}`);\n        const $searchToggle = document.getElementById(`search-toggle-${classSuffix}`);\n        const $searchLoading = document.getElementById(`search-loading-${classSuffix}`);\n        const $searchClear = document.getElementById(`search-clear-${classSuffix}`);\n        if (isMobile) {\n            this._searchMobileOnce = true;\n            $searchInput.addEventListener('focus', () => {\n                document.body.classList.add('blur');\n                $header.classList.add('open');\n            }, false);\n            document.getElementById('search-cancel-mobile').addEventListener('click', () => {\n                $header.classList.remove('open');\n                document.body.classList.remove('blur');\n                document.getElementById('menu-toggle-mobile').classList.remove('active');\n                document.getElementById('menu-mobile').classList.remove('active');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            }, false);\n            $searchClear.addEventListener('click', () => {\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            }, false);\n            this._searchMobileOnClickMask = this._searchMobileOnClickMask || (() => {\n                $header.classList.remove('open');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            });\n            this.clickMaskEventSet.add(this._searchMobileOnClickMask);\n        } else {\n            this._searchDesktopOnce = true;\n            $searchToggle.addEventListener('click', () => {\n                document.body.classList.add('blur');\n                $header.classList.add('open');\n                $searchInput.focus();\n            }, false);\n            $searchClear.addEventListener('click', () => {\n                $searchClear.style.display = 'none';\n                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n            }, false);\n            this._searchDesktopOnClickMask = this._searchDesktopOnClickMask || (() => {\n                $header.classList.remove('open');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n            });\n            this.clickMaskEventSet.add(this._searchDesktopOnClickMask);\n        }\n        $searchInput.addEventListener('input', () => {\n            if ($searchInput.value === '') $searchClear.style.display = 'none';\n            else $searchClear.style.display = 'inline';\n        }, false);\n\n        const CONTEXT_LENGTH = 200;\n        const initAutosearch = () => {\n            const autosearch = autocomplete(`#search-input-${classSuffix}`, {\n                hint: false,\n                autoselect: true,\n                dropdownMenuContainer: `#search-dropdown-${classSuffix}`,\n                clearOnSelected: true,\n                cssClasses: { noPrefix: true },\n             // debug: true,\n            }, {\n                name: 'search',\n                source: (query, callback) => {\n                    $searchLoading.style.display = 'inline';\n                    $searchClear.style.display = 'none';\n                    const finish = (results) => {\n                        $searchLoading.style.display = 'none';\n                        $searchClear.style.display = 'inline';\n                        callback(results);\n                    };\n                    if (searchConfig.type === 'lunr') {\n                        const search = () => {\n                            if (lunr.queryHandler) query = lunr.queryHandler(query);\n                            return this._index.search(query).slice(0, 12).map(({ ref, matchData: { metadata } }) => {\n                                const matchData = this._indexData[ref];\n                                let { title, content: context } = matchData;\n                                let position = 0;\n                                Object.values(metadata).forEach(({ description, content }) => {\n                                    if (description) {\n                                        context = matchData.description;\n                                        position = -1;\n                                    } else if (content) {\n                                        const matchPosition = content.position[0][0];\n                                        if (matchPosition < position || position === 0) position = matchPosition;\n                                    }\n                                });\n                                position -= CONTEXT_LENGTH / 5;\n                                if (position > 0) {\n                                    position += context.substr(position, 25).lastIndexOf(' ') + 1;\n                                    context = '...' + context.substr(position, CONTEXT_LENGTH);\n                                } else {\n                                    context = context.substr(0, CONTEXT_LENGTH);\n                                }\n                                Object.keys(metadata).forEach(key => {\n                                    title = title.replace(new RegExp(`(${key})`, 'gi'), '<em>$1</em>');\n                                    context = context.replace(new RegExp(`(${key})`, 'gi'), '<em>$1</em>');\n                                });\n                                return {\n                                    'uri': matchData.uri,\n                                    'title' : title,\n                                    'date' : matchData.date,\n                                    'context' : context,\n                                };\n                            });\n                        }\n                        if (!this._index) {\n                            fetch(searchConfig.lunrIndexURL)\n                                .then(response => response.json())\n                                .then(data => {\n                                    const indexData = {};\n                                    this._index = lunr(function () {\n                                        if (searchConfig.lunrLanguageCode) this.use(lunr[searchConfig.lunrLanguageCode]);\n                                        this.ref('uri');\n                                        this.field('title', { boost: 50 });\n                                        this.field('tags', { boost: 20 });\n                                        this.field('description', { boost: 10 });\n                                        this.field('content', { boost: 5 });\n                                        this.metadataWhitelist = ['position'];\n                                        data.forEach((record) => {\n                                            indexData[record.uri] = record;\n                                            this.add(record);\n                                        });\n                                    });\n                                    this._indexData = indexData;\n                                    finish(search());\n                                }).catch(err => {\n                                    console.error(err);\n                                    finish([]);\n                                });\n                        } else finish(search());\n                    } else if (searchConfig.type === 'algolia') {\n                        $searchLoading.style.display = 'inline';\n                        $searchClear.style.display = 'none';\n                        this._algoliaIndex = this._algoliaIndex || algoliasearch(searchConfig.algoliaAppID, searchConfig.algoliaSearchKey).initIndex(searchConfig.algoliaIndex);\n                        this._algoliaIndex\n                            .search(query, { offset: 0, length: 12, attributesToHighlight: ['title', 'content'] })\n                            .then(({ hits }) => {\n                                finish(hits.map(({ uri, date, _highlightResult: { title, content } }) => ({\n                                    uri: uri,\n                                    title: title.value,\n                                    date: date,\n                                    context: content.value,\n                                })));\n                            })\n                            .catch(err => {\n                                console.error(err);\n                                finish([]);\n                            });\n                    }\n                },\n                templates: {\n                    suggestion: ({ title, date, context }) => `<div><span class=\"suggestion-title\">${title}</span><span class=\"suggestion-date\">${date}</span></div><div class=\"suggestion-context\">${context}</div>`,\n                    empty: ({ query }) => `<div class=\"search-empty\">${searchConfig.noResultsFound}: <span class=\"search-query\">\"${query}\"</span></div>`,\n                    footer: ({}) => {\n                        const { searchType, icon, href } = searchConfig.type === 'algolia' ? {\n                            searchType: 'algolia',\n                            icon: '<i class=\"fab fa-algolia fa-fw\"></i>',\n                            href: 'https://www.algolia.com/',\n                        } : {\n                            searchType: 'Lunr.js',\n                            icon: '',\n                            href: 'https://lunrjs.com/',\n                        };\n                        return `<div class=\"search-footer\">Search by <a href=\"${href}\" rel=\"noopener noreffer\" target=\"_blank\">${icon} ${searchType}</a></div>`;},\n                },\n            });\n            autosearch.on('autocomplete:selected', (event, suggestion, dataset, context) => {\n                window.location.assign(suggestion.uri);\n            });\n            if (isMobile) this._searchMobile = autosearch;\n            else this._searchDesktop = autosearch;\n        };\n        if (searchConfig.lunrSegmentitURL && !document.getElementById('lunr-segmentit')) {\n            const script = document.createElement('script');\n            script.id = 'lunr-segmentit';\n            script.type = 'text/javascript';\n            script.src = searchConfig.lunrSegmentitURL;\n            script.async = true;\n            if (script.readyState) {\n                script.onreadystatechange = () => {\n                    if (script.readyState == 'loaded' || script.readyState == 'complete'){\n                        script.onreadystatechange = null;\n                        initAutosearch();\n                    }\n                };\n            } else {\n                script.onload = () => {\n                    initAutosearch();\n                };\n            }\n            document.body.appendChild(script);\n        } else initAutosearch();\n    }\n\n    initLightGallery() {\n        if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);\n    }\n\n    initHighlight() {\n        this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {\n            const $elements = $chroma.querySelectorAll('pre.chroma > code');\n            if ($elements.length) {\n                $chroma.className += ' ' + $elements[$elements.length - 1].className.toLowerCase();\n                $elements[0].classList.add('lnc');\n                $elements[$elements.length - 1].classList.remove('lnc');\n            }\n        });\n        this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {\n            const $chroma = document.createElement('div');\n            $chroma.className = $preChroma.className;\n            const $table = document.createElement('table');\n            $chroma.appendChild($table);\n            const $tbody = document.createElement('tbody');\n            $table.appendChild($tbody);\n            const $tr = document.createElement('tr');\n            $tbody.appendChild($tr);\n            const $td = document.createElement('td');\n            $tr.appendChild($td);\n            $preChroma.parentElement.replaceChild($chroma, $preChroma);\n            $td.appendChild($preChroma);\n        });\n        this.util.forEach(document.querySelectorAll('pre > code'), $code => {\n            $code.classList.add('block');\n            if ($code.classList.contains('lnc') || !this.config.clipboard) return;\n            const $button = document.createElement('div');\n            $button.classList.add('copy-button');\n            $button.insertAdjacentHTML('afterbegin', '<i class=\"far fa-copy fa-fw\"></i>');\n            $button.setAttribute('data-clipboard-text', $code.innerText);\n            $button.title = this.config.clipboard.title;\n            const clipboard = new ClipboardJS($button);\n            clipboard.on('success', e => {\n                this.util.animateCSS($code, 'flash');\n            });\n            $code.after($button);\n        });\n    }\n\n    initTable() {\n        this.util.forEach(document.querySelectorAll('.content table'), $table => {\n            const $wrapper = document.createElement('div');\n            $wrapper.className = 'table-wrapper';\n            $table.parentElement.replaceChild($wrapper, $table);\n            $wrapper.appendChild($table);\n        });\n    }\n\n    initHeaderLink() {\n        for (let num = 1; num <= 6; num++) {\n            this.util.forEach(document.querySelectorAll('.single .content > h' + num), $header => {\n                $header.classList.add('headerLink');\n                $header.insertAdjacentHTML('afterbegin', `<a href=\"#${$header.id}\" class=\"header-mark\"></a>`);\n            });\n        }\n    }\n\n    initToc() {\n        const $tocCore = document.getElementById('TableOfContents');\n        if ($tocCore === null) return;\n        if (this.util.isTocStatic()) {\n            const $tocContentStatic = document.getElementById('toc-content-static');\n            if ($tocCore.parentElement !== $tocContentStatic) {\n                $tocCore.parentElement.removeChild($tocCore);\n                $tocContentStatic.appendChild($tocCore);\n            }\n            if (this._tocOnScroll) this.scrollEventSet.delete(this._tocOnScroll);\n        } else {\n            const $tocContentAuto = document.getElementById('toc-content-auto');\n            if ($tocCore.parentElement !== $tocContentAuto) {\n                $tocCore.parentElement.removeChild($tocCore);\n                $tocContentAuto.appendChild($tocCore);\n            }\n            const $toc = document.getElementById('toc-auto');\n            const $page = document.getElementsByClassName('page')[0];\n            const rect = $page.getBoundingClientRect();\n            $toc.style.left = `${rect.left + rect.width + 20}px`;\n            $toc.style.maxWidth = `${$page.getBoundingClientRect().left - 20}px`;\n            const $tocLinkElements = $tocCore.getElementsByTagName('a');\n            const $tocLiElements = $tocCore.getElementsByTagName('li');\n            const $headerLinkElements = document.getElementsByClassName('headerLink');\n            const headerIsFixed = this.config.headerMode.desktop !== 'normal';\n            const headerHeight = document.getElementById('header-desktop').offsetHeight;\n            const TOP_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n            const minTocTop = $toc.offsetTop;\n            const minScrollTop = minTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n            this._tocOnScroll = this._tocOnScroll || (() => {\n                const footerTop = document.getElementById('post-footer').offsetTop;\n                const maxTocTop = footerTop - $toc.getBoundingClientRect().height;\n                const maxScrollTop = maxTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n                if (this.newScrollTop < minScrollTop) {\n                    $toc.style.position = 'absolute';\n                    $toc.style.top = `${minTocTop}px`;\n                } else if (this.newScrollTop > maxScrollTop) {\n                    $toc.style.position = 'absolute';\n                    $toc.style.top = `${maxTocTop}px`;\n                } else {\n                    $toc.style.position = 'fixed';\n                    $toc.style.top = `${TOP_SPACING}px`;\n                }\n\n                this.util.forEach($tocLinkElements, $tocLink => { $tocLink.classList.remove('active'); });\n                this.util.forEach($tocLiElements, $tocLi => { $tocLi.classList.remove('has-active'); });\n                const INDEX_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n                let activeTocIndex = $headerLinkElements.length - 1;\n                for (let i = 0; i < $headerLinkElements.length - 1; i++) {\n                    const thisTop = $headerLinkElements[i].getBoundingClientRect().top;\n                    const nextTop = $headerLinkElements[i + 1].getBoundingClientRect().top;\n                    if ((i == 0 && thisTop > INDEX_SPACING)\n                     || (thisTop <= INDEX_SPACING && nextTop > INDEX_SPACING)) {\n                        activeTocIndex = i;\n                        break;\n                    }\n                }\n                if (activeTocIndex !== -1) {\n                    $tocLinkElements[activeTocIndex].classList.add('active');\n                    let $parent = $tocLinkElements[activeTocIndex].parentElement;\n                    while ($parent !== $tocCore) {\n                        $parent.classList.add('has-active');\n                        $parent = $parent.parentElement.parentElement;\n                    }\n                }\n            });\n            this._tocOnScroll();\n            this.scrollEventSet.add(this._tocOnScroll);\n        }\n    }\n\n    initMath() {\n        if (this.config.math) renderMathInElement(document.body, this.config.math);\n    }\n\n    initMermaid() {\n        const $mermaidElements = document.getElementsByClassName('mermaid');\n        if ($mermaidElements.length) {\n            mermaid.initialize({startOnLoad: false, theme: 'null'});\n            this.util.forEach($mermaidElements, $mermaid => {\n                mermaid.mermaidAPI.render('svg-' + $mermaid.id, this.data[$mermaid.id], svgCode => {\n                    $mermaid.insertAdjacentHTML('afterbegin', svgCode);\n                }, $mermaid);\n            });\n        }\n    }\n\n    initEcharts() {\n        this._echartsOnSwitchTheme = this._echartsOnSwitchTheme || (() => {\n            this._echartsArr = this._echartsArr || [];\n            for (let i = 0; i < this._echartsArr.length; i++) {\n                this._echartsArr[i].dispose();\n            }\n            this._echartsArr = [];\n            this.util.forEach(document.getElementsByClassName('echarts'), $echarts => {\n                const chart = echarts.init($echarts, this.isDark ? 'dark' : 'macarons', {renderer: 'svg'});\n                chart.setOption(JSON.parse(this.data[$echarts.id]));\n                this._echartsArr.push(chart);\n            });\n        });\n        this.switchThemeEventSet.add(this._echartsOnSwitchTheme);\n        this._echartsOnSwitchTheme();\n        this._echartsOnResize = this._echartsOnResize || (() => {\n            for (let i = 0; i < this._echartsArr.length; i++) {\n                this._echartsArr[i].resize();\n            }\n        });\n        this.resizeEventSet.add(this._echartsOnResize);\n    }\n\n    initMapbox() {\n        if (this.config.mapbox) {\n            mapboxgl.accessToken = this.config.mapbox.accessToken;\n            mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin);\n            this._mapboxArr = this._mapboxArr || [];\n            this.util.forEach(document.getElementsByClassName('mapbox'), $mapbox => {\n                const { lng, lat, zoom, lightStyle, darkStyle, marked, navigation, geolocate, scale, fullscreen } = this.data[$mapbox.id];\n                const mapbox = new mapboxgl.Map({\n                    container: $mapbox,\n                    center: [lng, lat],\n                    zoom: zoom,\n                    minZoom: .2,\n                    style: this.isDark ? darkStyle : lightStyle,\n                    attributionControl: false,\n                });\n                if (marked) {\n                    new mapboxgl.Marker().setLngLat([lng, lat]).addTo(mapbox);\n                }\n                if (navigation) {\n                    mapbox.addControl(new mapboxgl.NavigationControl(), 'bottom-right');\n                }\n                if (geolocate) {\n                    mapbox.addControl(new mapboxgl.GeolocateControl({\n                        positionOptions: {\n                            enableHighAccuracy: true,\n                        },\n                        showUserLocation: true,\n                        trackUserLocation: true,\n                    }), 'bottom-right');\n                }\n                if (scale) {\n                    mapbox.addControl(new mapboxgl.ScaleControl());\n                }\n                if (fullscreen) {\n                    mapbox.addControl(new mapboxgl.FullscreenControl());\n                }\n                mapbox.addControl(new MapboxLanguage());\n                this._mapboxArr.push(mapbox);\n            });\n            this._mapboxOnSwitchTheme = this._mapboxOnSwitchTheme || (() => {\n                this.util.forEach(this._mapboxArr, mapbox => {\n                    const $mapbox = mapbox.getContainer();\n                    const { lightStyle, darkStyle } = this.data[$mapbox.id];\n                    mapbox.setStyle(this.isDark ? darkStyle : lightStyle);\n                    mapbox.addControl(new MapboxLanguage());\n                });\n            });\n            this.switchThemeEventSet.add(this._mapboxOnSwitchTheme);\n        }\n    }\n\n    initTypeit() {\n        if (this.config.typeit) {\n            this.config.typeit.forEach(group => {\n                const typeone = (i) => {\n                    const id = group[i];\n                    if (i === group.length - 1) {\n                        new TypeIt(`#${id}`, {\n                            strings: this.data[id],\n                        }).go();\n                        return;\n                    }\n                    let instance = new TypeIt(`#${id}`, {\n                        strings: this.data[id],\n                        afterComplete: () => {\n                            instance.destroy();\n                            typeone(i + 1);\n                        },\n                    }).go();\n                };\n                typeone(0);\n            });\n        }\n    }\n\n    initComment() {\n        if (this.config.comment && this.config.comment.gitalk) {\n            this.config.comment.gitalk.body = decodeURI(window.location.href);\n            const gitalk = new Gitalk(this.config.comment.gitalk.body);\n            gitalk.render('gitalk');\n        }\n        if (this.config.comment && this.config.comment.valine) new Valine(this.config.comment.valine);\n    }\n\n    initSmoothScroll() {\n        if ((!this.util.isMobile() && this.config.headerMode.desktop === 'normal')\n          || (this.util.isMobile() && this.config.headerMode.mobile === 'normal')) {\n            new SmoothScroll('[href^=\"#\"]', {speed: 300, speedAsDuration: true});\n        } else {\n            new SmoothScroll('[href^=\"#\"]', {speed: 300, speedAsDuration: true, header: '#header-desktop'});\n        }\n    }\n\n    onScroll() {\n        const $headers = [];\n        if (this.config.headerMode.desktop === 'auto') $headers.push(document.getElementById('header-desktop'));\n        if (this.config.headerMode.mobile === 'auto') $headers.push(document.getElementById('header-mobile'));\n        if (document.getElementById('comments')) {\n            const $viewComments = document.getElementById('view-comments');\n            $viewComments.href = `#comments`;\n            $viewComments.style.display = 'block';\n        }\n        const $fixedButtons = document.getElementById('fixed-buttons');\n        const MIN_SCROLL = 20;\n        window.addEventListener('scroll', () => {\n            this.newScrollTop = this.util.getScrollTop();\n            const scroll = this.newScrollTop - this.oldScrollTop;\n            this.util.forEach($headers, $header => {\n                if (scroll > MIN_SCROLL) {\n                    $header.classList.remove('fadeInDown');\n                    this.util.animateCSS($header, ['fadeOutUp', 'faster'], true);\n                } else if (scroll < - MIN_SCROLL) {\n                    $header.classList.remove('fadeOutUp');\n                    this.util.animateCSS($header, ['fadeInDown', 'faster'], true);\n                }\n            });\n            if (this.newScrollTop > MIN_SCROLL) {\n                if (scroll > MIN_SCROLL) {\n                    $fixedButtons.classList.remove('fadeIn');\n                    this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);\n                } else if (scroll < - MIN_SCROLL) {\n                    $fixedButtons.style.display = 'block';\n                    $fixedButtons.classList.remove('fadeOut');\n                    this.util.animateCSS($fixedButtons, ['fadeIn', 'faster'], true);\n                }\n            } else {\n                $fixedButtons.style.display = 'none';\n            }\n            for (let event of this.scrollEventSet) event();\n            this.oldScrollTop = this.newScrollTop;\n        }, false);\n    }\n\n    onResize() {\n        window.addEventListener('resize', () => {\n            if (!this._resizeTimeout) {\n                this._resizeTimeout = window.setTimeout(() => {\n                    this._resizeTimeout = null;\n                    for (let event of this.resizeEventSet) event();\n                    this.initToc();\n                    this.initSmoothScroll();\n                    this.initMermaid();\n                    this.initSearch();\n                }, 100);\n            }\n        }, false);\n    }\n\n    onClickMask() {\n        document.getElementById('mask').addEventListener('click', () => {\n            for (let event of this.clickMaskEventSet) event();\n            document.body.classList.remove('blur');\n        }, false);\n    }\n\n    init() {\n        this.initIcon();\n        this.initMenuMobile();\n        this.initSwitchTheme();\n        this.initSearch();\n        this.initLightGallery();\n        this.initHighlight();\n        this.initTable();\n        this.initHeaderLink();\n        this.initToc();\n        this.initComment();\n        this.initSmoothScroll();\n        this.initMath();\n        this.initMermaid();\n        this.initEcharts();\n        this.initTypeit();\n        this.initMapbox();\n\n        this.onScroll();\n        this.onResize();\n        this.onClickMask();\n    }\n}\n\nconst themeInit = () => {\n    const theme = new Theme();\n    theme.init();\n};\n\nif (document.readyState !== 'loading') {\n    themeInit();\n} else {\n    document.addEventListener('DOMContentLoaded', themeInit, false);\n}\n"]}
\ No newline at end of file
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Util {\n    forEach(elements, handler) {\n        elements = elements || [];\n        for (let i = 0; i < elements.length; i++) handler(elements[i]);\n    }\n\n    getScrollTop() {\n        return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;\n    }\n\n    isMobile() {\n        return window.matchMedia('only screen and (max-width: 680px)').matches;\n    }\n\n    isTocStatic() {\n        return window.matchMedia('only screen and (max-width: 960px)').matches;\n    }\n\n    animateCSS(element, animation, reserved, callback) {\n        if (!Array.isArray(animation)) animation = [animation];\n        element.classList.add('animated', ...animation);\n        const handler = () => {\n            element.classList.remove('animated', ...animation);\n            element.removeEventListener('animationend', handler);\n            if (typeof callback === 'function') callback();\n        };\n        if (!reserved) element.addEventListener('animationend', handler, false);\n    }\n}\n\nclass Theme {\n    constructor() {\n        this.config = window.config;\n        this.data = this.config.data;\n        this.isDark = document.body.classList.contains('dark');\n        this.util = new Util();\n        this.newScrollTop = this.util.getScrollTop();\n        this.oldScrollTop = this.newScrollTop;\n        this.scrollEventSet = new Set();\n        this.resizeEventSet = new Set();\n        this.switchThemeEventSet = new Set();\n        this.clickMaskEventSet = new Set();\n    }\n\n    initIcon() {\n        this.util.forEach(document.querySelectorAll('[data-svg-src]'), $icon => {\n            fetch($icon.getAttribute('data-svg-src'))\n                .then(response => response.text())\n                .then(svg => {\n                    const $temp = document.createElement('div');\n                    $temp.insertAdjacentHTML('afterbegin', svg);\n                    const $svg = $temp.firstChild;\n                    $svg.setAttribute('data-svg-src', $icon.getAttribute('data-svg-src'));\n                    $svg.classList.add('icon');\n                    $icon.parentElement.replaceChild($svg, $icon);\n                })\n                .catch(console.error.bind(console));\n        });\n    }\n\n    initMenuMobile() {\n        const $menuToggleMobile = document.getElementById('menu-toggle-mobile');\n        const $menuMobile = document.getElementById('menu-mobile');\n        $menuToggleMobile.addEventListener('click', () => {\n            document.body.classList.toggle('blur');\n            $menuToggleMobile.classList.toggle('active');\n            $menuMobile.classList.toggle('active');\n        }, false);\n        this._menuMobileOnClickMask = this._menuMobileOnClickMask || (() => {\n            $menuToggleMobile.classList.remove('active');\n            $menuMobile.classList.remove('active');\n        });\n        this.clickMaskEventSet.add(this._menuMobileOnClickMask);\n    }\n\n    initSwitchTheme() {\n        this.util.forEach(document.getElementsByClassName('theme-switch'), $themeSwitch => {\n            $themeSwitch.addEventListener('click', () => {\n                document.body.classList.toggle('dark');\n                this.isDark = !this.isDark;\n                window.localStorage && localStorage.setItem('theme', this.isDark ? 'dark' : 'light');\n                for (let event of this.switchThemeEventSet) event();\n            }, false);\n        });\n    }\n\n    initSearch() {\n        const searchConfig = this.config.search;\n        const isMobile = this.util.isMobile();\n        if (!searchConfig || isMobile && this._searchMobileOnce || !isMobile && this._searchDesktopOnce) return;\n        const classSuffix = isMobile ? 'mobile' : 'desktop';\n        const $header = document.getElementById(`header-${classSuffix}`);\n        const $searchInput = document.getElementById(`search-input-${classSuffix}`);\n        const $searchToggle = document.getElementById(`search-toggle-${classSuffix}`);\n        const $searchLoading = document.getElementById(`search-loading-${classSuffix}`);\n        const $searchClear = document.getElementById(`search-clear-${classSuffix}`);\n        if (isMobile) {\n            this._searchMobileOnce = true;\n            $searchInput.addEventListener('focus', () => {\n                document.body.classList.add('blur');\n                $header.classList.add('open');\n            }, false);\n            document.getElementById('search-cancel-mobile').addEventListener('click', () => {\n                $header.classList.remove('open');\n                document.body.classList.remove('blur');\n                document.getElementById('menu-toggle-mobile').classList.remove('active');\n                document.getElementById('menu-mobile').classList.remove('active');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            }, false);\n            $searchClear.addEventListener('click', () => {\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            }, false);\n            this._searchMobileOnClickMask = this._searchMobileOnClickMask || (() => {\n                $header.classList.remove('open');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            });\n            this.clickMaskEventSet.add(this._searchMobileOnClickMask);\n        } else {\n            this._searchDesktopOnce = true;\n            $searchToggle.addEventListener('click', () => {\n                document.body.classList.add('blur');\n                $header.classList.add('open');\n                $searchInput.focus();\n            }, false);\n            $searchClear.addEventListener('click', () => {\n                $searchClear.style.display = 'none';\n                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n            }, false);\n            this._searchDesktopOnClickMask = this._searchDesktopOnClickMask || (() => {\n                $header.classList.remove('open');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n            });\n            this.clickMaskEventSet.add(this._searchDesktopOnClickMask);\n        }\n        $searchInput.addEventListener('input', () => {\n            if ($searchInput.value === '') $searchClear.style.display = 'none';\n            else $searchClear.style.display = 'inline';\n        }, false);\n\n        const CONTEXT_LENGTH = 200;\n        const initAutosearch = () => {\n            const autosearch = autocomplete(`#search-input-${classSuffix}`, {\n                hint: false,\n                autoselect: true,\n                dropdownMenuContainer: `#search-dropdown-${classSuffix}`,\n                clearOnSelected: true,\n                cssClasses: { noPrefix: true },\n             // debug: true,\n            }, {\n                name: 'search',\n                source: (query, callback) => {\n                    $searchLoading.style.display = 'inline';\n                    $searchClear.style.display = 'none';\n                    const finish = (results) => {\n                        $searchLoading.style.display = 'none';\n                        $searchClear.style.display = 'inline';\n                        callback(results);\n                    };\n                    if (searchConfig.type === 'lunr') {\n                        const search = () => {\n                            if (lunr.queryHandler) query = lunr.queryHandler(query);\n                            return this._index.search(query).slice(0, 12).map(({ ref, matchData: { metadata } }) => {\n                                const matchData = this._indexData[ref];\n                                let { title, content: context } = matchData;\n                                let position = 0;\n                                Object.values(metadata).forEach(({ description, content }) => {\n                                    if (description) {\n                                        context = matchData.description;\n                                        position = -1;\n                                    } else if (content) {\n                                        const matchPosition = content.position[0][0];\n                                        if (matchPosition < position || position === 0) position = matchPosition;\n                                    }\n                                });\n                                position -= CONTEXT_LENGTH / 5;\n                                if (position > 0) {\n                                    position += context.substr(position, 25).lastIndexOf(' ') + 1;\n                                    context = '...' + context.substr(position, CONTEXT_LENGTH);\n                                } else {\n                                    context = context.substr(0, CONTEXT_LENGTH);\n                                }\n                                Object.keys(metadata).forEach(key => {\n                                    title = title.replace(new RegExp(`(${key})`, 'gi'), '<em>$1</em>');\n                                    context = context.replace(new RegExp(`(${key})`, 'gi'), '<em>$1</em>');\n                                });\n                                return {\n                                    'uri': matchData.uri,\n                                    'title' : title,\n                                    'date' : matchData.date,\n                                    'context' : context,\n                                };\n                            });\n                        }\n                        if (!this._index) {\n                            fetch(searchConfig.lunrIndexURL)\n                                .then(response => response.json())\n                                .then(data => {\n                                    const indexData = {};\n                                    this._index = lunr(function () {\n                                        if (searchConfig.lunrLanguageCode) this.use(lunr[searchConfig.lunrLanguageCode]);\n                                        this.ref('uri');\n                                        this.field('title', { boost: 50 });\n                                        this.field('tags', { boost: 20 });\n                                        this.field('description', { boost: 10 });\n                                        this.field('content', { boost: 5 });\n                                        this.metadataWhitelist = ['position'];\n                                        data.forEach((record) => {\n                                            indexData[record.uri] = record;\n                                            this.add(record);\n                                        });\n                                    });\n                                    this._indexData = indexData;\n                                    finish(search());\n                                }).catch(err => {\n                                    console.error(err);\n                                    finish([]);\n                                });\n                        } else finish(search());\n                    } else if (searchConfig.type === 'algolia') {\n                        $searchLoading.style.display = 'inline';\n                        $searchClear.style.display = 'none';\n                        this._algoliaIndex = this._algoliaIndex || algoliasearch(searchConfig.algoliaAppID, searchConfig.algoliaSearchKey).initIndex(searchConfig.algoliaIndex);\n                        this._algoliaIndex\n                            .search(query, { offset: 0, length: 12, attributesToHighlight: ['title', 'content'] })\n                            .then(({ hits }) => {\n                                finish(hits.map(({ uri, date, _highlightResult: { title, content } }) => ({\n                                    uri: uri,\n                                    title: title.value,\n                                    date: date,\n                                    context: content.value,\n                                })));\n                            })\n                            .catch(err => {\n                                console.error(err);\n                                finish([]);\n                            });\n                    }\n                },\n                templates: {\n                    suggestion: ({ title, date, context }) => `<div><span class=\"suggestion-title\">${title}</span><span class=\"suggestion-date\">${date}</span></div><div class=\"suggestion-context\">${context}</div>`,\n                    empty: ({ query }) => `<div class=\"search-empty\">${searchConfig.noResultsFound}: <span class=\"search-query\">\"${query}\"</span></div>`,\n                    footer: ({}) => {\n                        const { searchType, icon, href } = searchConfig.type === 'algolia' ? {\n                            searchType: 'algolia',\n                            icon: '<i class=\"fab fa-algolia fa-fw\"></i>',\n                            href: 'https://www.algolia.com/',\n                        } : {\n                            searchType: 'Lunr.js',\n                            icon: '',\n                            href: 'https://lunrjs.com/',\n                        };\n                        return `<div class=\"search-footer\">Search by <a href=\"${href}\" rel=\"noopener noreffer\" target=\"_blank\">${icon} ${searchType}</a></div>`;},\n                },\n            });\n            autosearch.on('autocomplete:selected', (event, suggestion, dataset, context) => {\n                window.location.assign(suggestion.uri);\n            });\n            if (isMobile) this._searchMobile = autosearch;\n            else this._searchDesktop = autosearch;\n        };\n        if (searchConfig.lunrSegmentitURL && !document.getElementById('lunr-segmentit')) {\n            const script = document.createElement('script');\n            script.id = 'lunr-segmentit';\n            script.type = 'text/javascript';\n            script.src = searchConfig.lunrSegmentitURL;\n            script.async = true;\n            if (script.readyState) {\n                script.onreadystatechange = () => {\n                    if (script.readyState == 'loaded' || script.readyState == 'complete'){\n                        script.onreadystatechange = null;\n                        initAutosearch();\n                    }\n                };\n            } else {\n                script.onload = () => {\n                    initAutosearch();\n                };\n            }\n            document.body.appendChild(script);\n        } else initAutosearch();\n    }\n\n    initDetails() {\n        this.util.forEach(document.getElementsByClassName('details'), $details => {\n            const $summary = $details.getElementsByClassName('details-summary')[0];\n            $summary.addEventListener('click', () => {\n                $details.classList.toggle('open');\n            }, false);\n        });\n    }\n\n    initLightGallery() {\n        if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);\n    }\n\n    initHighlight() {\n        this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {\n            const $chroma = document.createElement('div');\n            $chroma.className = $preChroma.className;\n            const $table = document.createElement('table');\n            $chroma.appendChild($table);\n            const $tbody = document.createElement('tbody');\n            $table.appendChild($tbody);\n            const $tr = document.createElement('tr');\n            $tbody.appendChild($tr);\n            const $td = document.createElement('td');\n            $tr.appendChild($td);\n            $preChroma.parentElement.replaceChild($chroma, $preChroma);\n            $td.appendChild($preChroma);\n        });\n        this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {\n            const $codeElements = $chroma.querySelectorAll('pre.chroma > code');\n            if ($codeElements.length) {\n                const $code = $codeElements[$codeElements.length - 1];\n                const $header = document.createElement('div');\n                $header.className = 'code-header ' + $code.className.toLowerCase();\n                const $title = document.createElement('span');\n                $title.classList.add('code-title');\n                $title.insertAdjacentHTML('afterbegin', '<i class=\"arrow fas fa-chevron-right fa-fw\"></i>');\n                $title.addEventListener('click', () => {\n                    $chroma.classList.toggle('open');\n                }, false);\n                $header.appendChild($title);\n                const $ellipses = document.createElement('span');\n                $ellipses.insertAdjacentHTML('afterbegin', '<i class=\"fas fa-ellipsis-h fa-fw\"></i>');\n                $ellipses.classList.add('ellipses');\n                $ellipses.addEventListener('click', () => {\n                    $chroma.classList.add('open');\n                }, false);\n                $header.appendChild($ellipses);\n                const $copy = document.createElement('span');\n                $copy.insertAdjacentHTML('afterbegin', '<i class=\"far fa-copy fa-fw\"></i>');\n                $copy.classList.add('copy');\n                const code = $code.innerText;\n                if (this.config.code.maxShownLines < 0 || code.split('\\n').length < this.config.code.maxShownLines + 2) $chroma.classList.add('open');\n                if (this.config.code.copyTitle) {\n                    $copy.setAttribute('data-clipboard-text', code);\n                    $copy.title = this.config.code.copyTitle;\n                    const clipboard = new ClipboardJS($copy);\n                    clipboard.on('success', e => {\n                        this.util.animateCSS($code, 'flash');\n                    });\n                    $header.appendChild($copy);\n                }\n                $chroma.insertBefore($header, $chroma.firstChild);\n            }\n        });\n    }\n\n    initTable() {\n        this.util.forEach(document.querySelectorAll('.content table'), $table => {\n            const $wrapper = document.createElement('div');\n            $wrapper.className = 'table-wrapper';\n            $table.parentElement.replaceChild($wrapper, $table);\n            $wrapper.appendChild($table);\n        });\n    }\n\n    initHeaderLink() {\n        for (let num = 1; num <= 6; num++) {\n            this.util.forEach(document.querySelectorAll('.single .content > h' + num), $header => {\n                $header.classList.add('headerLink');\n                $header.insertAdjacentHTML('afterbegin', `<a href=\"#${$header.id}\" class=\"header-mark\"></a>`);\n            });\n        }\n    }\n\n    initToc() {\n        const $tocCore = document.getElementById('TableOfContents');\n        if ($tocCore === null) return;\n        if (this.util.isTocStatic()) {\n            const $tocContentStatic = document.getElementById('toc-content-static');\n            if ($tocCore.parentElement !== $tocContentStatic) {\n                $tocCore.parentElement.removeChild($tocCore);\n                $tocContentStatic.appendChild($tocCore);\n            }\n            if (this._tocOnScroll) this.scrollEventSet.delete(this._tocOnScroll);\n        } else {\n            const $tocContentAuto = document.getElementById('toc-content-auto');\n            if ($tocCore.parentElement !== $tocContentAuto) {\n                $tocCore.parentElement.removeChild($tocCore);\n                $tocContentAuto.appendChild($tocCore);\n            }\n            const $toc = document.getElementById('toc-auto');\n            const $page = document.getElementsByClassName('page')[0];\n            const rect = $page.getBoundingClientRect();\n            $toc.style.left = `${rect.left + rect.width + 20}px`;\n            $toc.style.maxWidth = `${$page.getBoundingClientRect().left - 20}px`;\n            const $tocLinkElements = $tocCore.getElementsByTagName('a');\n            const $tocLiElements = $tocCore.getElementsByTagName('li');\n            const $headerLinkElements = document.getElementsByClassName('headerLink');\n            const headerIsFixed = this.config.headerMode.desktop !== 'normal';\n            const headerHeight = document.getElementById('header-desktop').offsetHeight;\n            const TOP_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n            const minTocTop = $toc.offsetTop;\n            const minScrollTop = minTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n            this._tocOnScroll = this._tocOnScroll || (() => {\n                const footerTop = document.getElementById('post-footer').offsetTop;\n                const maxTocTop = footerTop - $toc.getBoundingClientRect().height;\n                const maxScrollTop = maxTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n                if (this.newScrollTop < minScrollTop) {\n                    $toc.style.position = 'absolute';\n                    $toc.style.top = `${minTocTop}px`;\n                } else if (this.newScrollTop > maxScrollTop) {\n                    $toc.style.position = 'absolute';\n                    $toc.style.top = `${maxTocTop}px`;\n                } else {\n                    $toc.style.position = 'fixed';\n                    $toc.style.top = `${TOP_SPACING}px`;\n                }\n\n                this.util.forEach($tocLinkElements, $tocLink => { $tocLink.classList.remove('active'); });\n                this.util.forEach($tocLiElements, $tocLi => { $tocLi.classList.remove('has-active'); });\n                const INDEX_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n                let activeTocIndex = $headerLinkElements.length - 1;\n                for (let i = 0; i < $headerLinkElements.length - 1; i++) {\n                    const thisTop = $headerLinkElements[i].getBoundingClientRect().top;\n                    const nextTop = $headerLinkElements[i + 1].getBoundingClientRect().top;\n                    if ((i == 0 && thisTop > INDEX_SPACING)\n                     || (thisTop <= INDEX_SPACING && nextTop > INDEX_SPACING)) {\n                        activeTocIndex = i;\n                        break;\n                    }\n                }\n                if (activeTocIndex !== -1) {\n                    $tocLinkElements[activeTocIndex].classList.add('active');\n                    let $parent = $tocLinkElements[activeTocIndex].parentElement;\n                    while ($parent !== $tocCore) {\n                        $parent.classList.add('has-active');\n                        $parent = $parent.parentElement.parentElement;\n                    }\n                }\n            });\n            this._tocOnScroll();\n            this.scrollEventSet.add(this._tocOnScroll);\n        }\n    }\n\n    initMath() {\n        if (this.config.math) renderMathInElement(document.body, this.config.math);\n    }\n\n    initMermaid() {\n        const $mermaidElements = document.getElementsByClassName('mermaid');\n        if ($mermaidElements.length) {\n            mermaid.initialize({startOnLoad: false, theme: 'null'});\n            this.util.forEach($mermaidElements, $mermaid => {\n                mermaid.mermaidAPI.render('svg-' + $mermaid.id, this.data[$mermaid.id], svgCode => {\n                    $mermaid.insertAdjacentHTML('afterbegin', svgCode);\n                }, $mermaid);\n            });\n        }\n    }\n\n    initEcharts() {\n        this._echartsOnSwitchTheme = this._echartsOnSwitchTheme || (() => {\n            this._echartsArr = this._echartsArr || [];\n            for (let i = 0; i < this._echartsArr.length; i++) {\n                this._echartsArr[i].dispose();\n            }\n            this._echartsArr = [];\n            this.util.forEach(document.getElementsByClassName('echarts'), $echarts => {\n                const chart = echarts.init($echarts, this.isDark ? 'dark' : 'macarons', {renderer: 'svg'});\n                chart.setOption(JSON.parse(this.data[$echarts.id]));\n                this._echartsArr.push(chart);\n            });\n        });\n        this.switchThemeEventSet.add(this._echartsOnSwitchTheme);\n        this._echartsOnSwitchTheme();\n        this._echartsOnResize = this._echartsOnResize || (() => {\n            for (let i = 0; i < this._echartsArr.length; i++) {\n                this._echartsArr[i].resize();\n            }\n        });\n        this.resizeEventSet.add(this._echartsOnResize);\n    }\n\n    initMapbox() {\n        if (this.config.mapbox) {\n            mapboxgl.accessToken = this.config.mapbox.accessToken;\n            mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin);\n            this._mapboxArr = this._mapboxArr || [];\n            this.util.forEach(document.getElementsByClassName('mapbox'), $mapbox => {\n                const { lng, lat, zoom, lightStyle, darkStyle, marked, navigation, geolocate, scale, fullscreen } = this.data[$mapbox.id];\n                const mapbox = new mapboxgl.Map({\n                    container: $mapbox,\n                    center: [lng, lat],\n                    zoom: zoom,\n                    minZoom: .2,\n                    style: this.isDark ? darkStyle : lightStyle,\n                    attributionControl: false,\n                });\n                if (marked) {\n                    new mapboxgl.Marker().setLngLat([lng, lat]).addTo(mapbox);\n                }\n                if (navigation) {\n                    mapbox.addControl(new mapboxgl.NavigationControl(), 'bottom-right');\n                }\n                if (geolocate) {\n                    mapbox.addControl(new mapboxgl.GeolocateControl({\n                        positionOptions: {\n                            enableHighAccuracy: true,\n                        },\n                        showUserLocation: true,\n                        trackUserLocation: true,\n                    }), 'bottom-right');\n                }\n                if (scale) {\n                    mapbox.addControl(new mapboxgl.ScaleControl());\n                }\n                if (fullscreen) {\n                    mapbox.addControl(new mapboxgl.FullscreenControl());\n                }\n                mapbox.addControl(new MapboxLanguage());\n                this._mapboxArr.push(mapbox);\n            });\n            this._mapboxOnSwitchTheme = this._mapboxOnSwitchTheme || (() => {\n                this.util.forEach(this._mapboxArr, mapbox => {\n                    const $mapbox = mapbox.getContainer();\n                    const { lightStyle, darkStyle } = this.data[$mapbox.id];\n                    mapbox.setStyle(this.isDark ? darkStyle : lightStyle);\n                    mapbox.addControl(new MapboxLanguage());\n                });\n            });\n            this.switchThemeEventSet.add(this._mapboxOnSwitchTheme);\n        }\n    }\n\n    initTypeit() {\n        if (this.config.typeit) {\n            this.config.typeit.forEach(group => {\n                const typeone = (i) => {\n                    const id = group[i];\n                    if (i === group.length - 1) {\n                        new TypeIt(`#${id}`, {\n                            strings: this.data[id],\n                        }).go();\n                        return;\n                    }\n                    let instance = new TypeIt(`#${id}`, {\n                        strings: this.data[id],\n                        afterComplete: () => {\n                            instance.destroy();\n                            typeone(i + 1);\n                        },\n                    }).go();\n                };\n                typeone(0);\n            });\n        }\n    }\n\n    initComment() {\n        if (this.config.comment && this.config.comment.gitalk) {\n            this.config.comment.gitalk.body = decodeURI(window.location.href);\n            const gitalk = new Gitalk(this.config.comment.gitalk.body);\n            gitalk.render('gitalk');\n        }\n        if (this.config.comment && this.config.comment.valine) new Valine(this.config.comment.valine);\n    }\n\n    initSmoothScroll() {\n        if ((!this.util.isMobile() && this.config.headerMode.desktop === 'normal')\n          || (this.util.isMobile() && this.config.headerMode.mobile === 'normal')) {\n            new SmoothScroll('[href^=\"#\"]', {speed: 300, speedAsDuration: true});\n        } else {\n            new SmoothScroll('[href^=\"#\"]', {speed: 300, speedAsDuration: true, header: '#header-desktop'});\n        }\n    }\n\n    onScroll() {\n        const $headers = [];\n        if (this.config.headerMode.desktop === 'auto') $headers.push(document.getElementById('header-desktop'));\n        if (this.config.headerMode.mobile === 'auto') $headers.push(document.getElementById('header-mobile'));\n        if (document.getElementById('comments')) {\n            const $viewComments = document.getElementById('view-comments');\n            $viewComments.href = `#comments`;\n            $viewComments.style.display = 'block';\n        }\n        const $fixedButtons = document.getElementById('fixed-buttons');\n        const MIN_SCROLL = 20;\n        window.addEventListener('scroll', () => {\n            this.newScrollTop = this.util.getScrollTop();\n            const scroll = this.newScrollTop - this.oldScrollTop;\n            this.util.forEach($headers, $header => {\n                if (scroll > MIN_SCROLL) {\n                    $header.classList.remove('fadeInDown');\n                    this.util.animateCSS($header, ['fadeOutUp', 'faster'], true);\n                } else if (scroll < - MIN_SCROLL) {\n                    $header.classList.remove('fadeOutUp');\n                    this.util.animateCSS($header, ['fadeInDown', 'faster'], true);\n                }\n            });\n            if (this.newScrollTop > MIN_SCROLL) {\n                if (scroll > MIN_SCROLL) {\n                    $fixedButtons.classList.remove('fadeIn');\n                    this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);\n                } else if (scroll < - MIN_SCROLL) {\n                    $fixedButtons.style.display = 'block';\n                    $fixedButtons.classList.remove('fadeOut');\n                    this.util.animateCSS($fixedButtons, ['fadeIn', 'faster'], true);\n                }\n            } else {\n                $fixedButtons.style.display = 'none';\n            }\n            for (let event of this.scrollEventSet) event();\n            this.oldScrollTop = this.newScrollTop;\n        }, false);\n    }\n\n    onResize() {\n        window.addEventListener('resize', () => {\n            if (!this._resizeTimeout) {\n                this._resizeTimeout = window.setTimeout(() => {\n                    this._resizeTimeout = null;\n                    for (let event of this.resizeEventSet) event();\n                    this.initToc();\n                    this.initSmoothScroll();\n                    this.initMermaid();\n                    this.initSearch();\n                }, 100);\n            }\n        }, false);\n    }\n\n    onClickMask() {\n        document.getElementById('mask').addEventListener('click', () => {\n            for (let event of this.clickMaskEventSet) event();\n            document.body.classList.remove('blur');\n        }, false);\n    }\n\n    init() {\n        this.initIcon();\n        this.initMenuMobile();\n        this.initSwitchTheme();\n        this.initSearch();\n        this.initDetails();\n        this.initLightGallery();\n        this.initHighlight();\n        this.initTable();\n        this.initHeaderLink();\n        this.initToc();\n        this.initComment();\n        this.initSmoothScroll();\n        this.initMath();\n        this.initMermaid();\n        this.initEcharts();\n        this.initTypeit();\n        this.initMapbox();\n\n        this.onScroll();\n        this.onResize();\n        this.onClickMask();\n    }\n}\n\nconst themeInit = () => {\n    const theme = new Theme();\n    theme.init();\n};\n\nif (document.readyState !== 'loading') {\n    themeInit();\n} else {\n    document.addEventListener('DOMContentLoaded', themeInit, false);\n}\n"]}
\ No newline at end of file
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index 1ed2c45..632987a 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -678,6 +678,9 @@ enableEmoji = true
       # whether to show the copy button of the code block
       # 是否显示代码块的复制按钮
       copy = true
+      # the maximum number of lines of displayed code by default
+      # 默认展开显示的代码行数
+      maxShownLines = 10
     # KaTeX mathematical formulas config (KaTeX https://katex.org/)
     # KaTeX 数学公式配置 (KaTeX https://katex.org/)
     [params.page.math]
diff --git a/exampleSite/content/posts/basic-markdown-syntax.en.md b/exampleSite/content/posts/basic-markdown-syntax.en.md
index 0901b40..4c6c8c2 100644
--- a/exampleSite/content/posts/basic-markdown-syntax.en.md
+++ b/exampleSite/content/posts/basic-markdown-syntax.en.md
@@ -46,7 +46,7 @@ John Gruber, the author of Markdown, puts it like this:
 > While Markdown’s syntax has been influenced by several existing text-to-HTML filters,
 > the single biggest source of inspiration for Markdown’s syntax is the format of plain text email.
 >
-> -- _John Gruber_
+> {{< style "text-align: right;" >}}-- _John Gruber_{{< /style >}}
 
 Without further delay, let us go over the main elements of Markdown and what the resulting HTML looks like!
 
diff --git a/exampleSite/content/posts/basic-markdown-syntax.fr.md b/exampleSite/content/posts/basic-markdown-syntax.fr.md
index dd8efb7..527c59e 100644
--- a/exampleSite/content/posts/basic-markdown-syntax.fr.md
+++ b/exampleSite/content/posts/basic-markdown-syntax.fr.md
@@ -51,7 +51,7 @@ John Gruber, the author of Markdown, puts it like this:
 > While Markdown’s syntax has been influenced by several existing text-to-HTML filters,
 > the single biggest source of inspiration for Markdown’s syntax is the format of plain text email.
 >
-> -- _John Gruber_
+> {{< style "text-align: right;" >}}-- _John Gruber_{{< /style >}}
 
 Without further delay, let us go over the main elements of Markdown and what the resulting HTML looks like!
 
diff --git a/exampleSite/content/posts/basic-markdown-syntax.zh-cn.md b/exampleSite/content/posts/basic-markdown-syntax.zh-cn.md
index 834a639..4f0444c 100644
--- a/exampleSite/content/posts/basic-markdown-syntax.zh-cn.md
+++ b/exampleSite/content/posts/basic-markdown-syntax.zh-cn.md
@@ -46,7 +46,7 @@ John Gruber, Markdown 的作者如是说:
 > 虽然 Markdown 的语法受到几种现有的文本到 HTML 转换工具的影响,
 > 但 Markdown 语法的最大灵感来源是纯文本电子邮件的格式.
 >
-> -- _John Gruber_
+> {{< style "text-align: right;" >}}-- _John Gruber_{{< /style >}}
 
 话不多说, 我们来回顾一下 Markdown 的主要语法以及生成的 HTML 样式!
 
diff --git a/exampleSite/content/posts/theme-documentation-basics.en.md b/exampleSite/content/posts/theme-documentation-basics.en.md
index 29947ee..554593f 100644
--- a/exampleSite/content/posts/theme-documentation-basics.en.md
+++ b/exampleSite/content/posts/theme-documentation-basics.en.md
@@ -393,6 +393,8 @@ Note that some of these parameters are explained in details in other sections of
     [params.page.code]
       # whether to show the copy button of the code block
       copy = true
+      # the maximum number of lines of displayed code by default
+      maxShownLines = 10
     # {{< version 0.2.0 >}} {{< link "https://docs.mapbox.com/mapbox-gl-js" "Mapbox GL JS" >}} config
     [params.page.mapbox]
       # access token of Mapbox GL JS
diff --git a/exampleSite/content/posts/theme-documentation-basics.fr.md b/exampleSite/content/posts/theme-documentation-basics.fr.md
index 450c98a..18aa833 100644
--- a/exampleSite/content/posts/theme-documentation-basics.fr.md
+++ b/exampleSite/content/posts/theme-documentation-basics.fr.md
@@ -398,6 +398,8 @@ Note that some of these parameters are explained in details in other sections of
     [params.page.code]
       # whether to show the copy button of the code block
       copy = true
+      # the maximum number of lines of displayed code by default
+      maxShownLines = 10
     # {{< version 0.2.0 >}} {{< link "https://docs.mapbox.com/mapbox-gl-js" "Mapbox GL JS" >}} config
     [params.page.mapbox]
       # access token of Mapbox GL JS
diff --git a/exampleSite/content/posts/theme-documentation-basics.zh-cn.md b/exampleSite/content/posts/theme-documentation-basics.zh-cn.md
index e51d1d1..a0d3bd2 100644
--- a/exampleSite/content/posts/theme-documentation-basics.zh-cn.md
+++ b/exampleSite/content/posts/theme-documentation-basics.zh-cn.md
@@ -383,6 +383,8 @@ hugo
     [params.page.code]
       # 是否显示代码块的复制按钮
       copy = true
+      # 默认展开显示的代码行数
+      maxShownLines = 10
     # {{< version 0.2.0 changed >}} {{< link "https://katex.org/" KaTeX >}} 数学公式
     [params.page.math]
       enable = true
diff --git a/exampleSite/content/posts/theme-documentation-content.zh-cn.md b/exampleSite/content/posts/theme-documentation-content.zh-cn.md
index d379b76..a70f287 100644
--- a/exampleSite/content/posts/theme-documentation-content.zh-cn.md
+++ b/exampleSite/content/posts/theme-documentation-content.zh-cn.md
@@ -37,7 +37,7 @@ math:
 **Hugo** 允许你在文章内容前面添加 `yaml`, `toml` 或者 `json` 格式的前置参数.
 
 {{< admonition >}}
-**不是所有**的上述前置参数都必须在你的每篇文章中设置.
+**不是所有**的以下前置参数都必须在你的每篇文章中设置.
 只有在文章的参数和你的 [网站设置](../theme-documentation-basics/#site-configuration) 中的 `page` 部分不一致时才有必要这么做.
 {{< /admonition >}}
 
diff --git a/exampleSite/content/posts/theme-documentation-extended-shortcodes.en.md b/exampleSite/content/posts/theme-documentation-extended-shortcodes.en.md
index 6411d42..ed67738 100644
--- a/exampleSite/content/posts/theme-documentation-extended-shortcodes.en.md
+++ b/exampleSite/content/posts/theme-documentation-extended-shortcodes.en.md
@@ -28,7 +28,7 @@ The `style` shortcode has two positional parameters.
 
 The **first** one is the custom style content.
 
-And the **second** one is the HTML tag around the content you want to change style, and whose default value is `p`.
+And the **second** one is the HTML tag around the content you want to change style, and whose default value is `div`.
 
 Example `style` input:
 
diff --git a/exampleSite/content/posts/theme-documentation-extended-shortcodes.fr.md b/exampleSite/content/posts/theme-documentation-extended-shortcodes.fr.md
index c4555ef..bcb1c81 100644
--- a/exampleSite/content/posts/theme-documentation-extended-shortcodes.fr.md
+++ b/exampleSite/content/posts/theme-documentation-extended-shortcodes.fr.md
@@ -33,7 +33,7 @@ The `style` shortcode has two positional parameters.
 
 The **first** one is the custom style content.
 
-And the **second** one is the HTML tag around the content you want to change style, and whose default value is `p`.
+And the **second** one is the HTML tag around the content you want to change style, and whose default value is `div`.
 
 Example `style` input:
 
diff --git a/exampleSite/content/posts/theme-documentation-extended-shortcodes.zh-cn.md b/exampleSite/content/posts/theme-documentation-extended-shortcodes.zh-cn.md
index adeec2d..b3b4f54 100644
--- a/exampleSite/content/posts/theme-documentation-extended-shortcodes.zh-cn.md
+++ b/exampleSite/content/posts/theme-documentation-extended-shortcodes.zh-cn.md
@@ -31,7 +31,7 @@ mapbox:
 
 第一个参数是自定义样式的内容.
 
-第二个参数是包裹你要更改样式的内容的 HTML 标签, 默认值是 `p`.
+第二个参数是包裹你要更改样式的内容的 HTML 标签, 默认值是 `div`.
 
 一个 `style` 示例:
 
diff --git a/layouts/_default/section.html b/layouts/_default/section.html
index 0bed0b0..2922d57 100644
--- a/layouts/_default/section.html
+++ b/layouts/_default/section.html
@@ -1,12 +1,12 @@
 {{- define "title" }}
-    {{- .Title | default (T .Section) | default .Section | printf (T "allSome") }} | {{ .Site.Title -}}
+    {{- .Params.Title | default (T .Section) | default .Section | printf (T "allSome") }} | {{ .Site.Title -}}
 {{- end -}}
 
 {{- define "content" -}}
     <div class="page archive">
         {{- /* Title */ -}}
         <h2 class="single-title animated pulse faster">
-            {{- .Title | default (T .Section) | default .Section | printf (T "allSome") -}}
+            {{- .Params.Title | default (T .Section) | default .Section | printf (T "allSome") -}}
         </h2>
 
         {{- /* Paginate */ -}}
diff --git a/layouts/partials/assets.html b/layouts/partials/assets.html
index ed19ad2..85c03eb 100644
--- a/layouts/partials/assets.html
+++ b/layouts/partials/assets.html
@@ -52,11 +52,14 @@
     {{- $config = dict "lightGallery" $lightGalleryConfig | merge $config -}}
 {{- end -}}
 
+{{- $code := $params.code | default dict -}}
+{{- $config = cond (ne $code.maxShownLines nil) $code.maxShownLines 10 | dict "maxShownLines" | dict "code" | merge $config -}}
+
 {{- /* clipboard.js */ -}}
-{{- if not $params.code | or (ne $params.code false) -}}
+{{- if ne $code.copy false -}}
     {{- $source := $cdn.clipboardJS | default "lib/clipboard/clipboard.min.js" -}}
     {{- dict "source" $source "fingerprint" $fingerprint | dict "scratch" $.Scratch "data" | partial "scratch/script.html" -}}
-    {{- $config = T "copyToClipboard" | dict "title" | dict "clipboard" | merge $config -}}
+    {{- $config = T "copyToClipboard" | dict "copyTitle" | dict "code" | merge $config -}}
 {{- end -}}
 
 {{- /* Sharer.js */ -}}
diff --git a/layouts/posts/rss.xml b/layouts/posts/rss.xml
index 7d148d1..df8dfee 100644
--- a/layouts/posts/rss.xml
+++ b/layouts/posts/rss.xml
@@ -1,13 +1,13 @@
 <rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
     <channel>
         <title>
-            {{- .Title | default (T .Section) | default .Section | printf (T "allSome") }} | {{ .Site.Title -}}
+            {{- .Params.Title | default (T .Section) | default .Section | printf (T "allSome") }} | {{ .Site.Title -}}
         </title>
         <link>
             {{- .Permalink -}}
         </link>
         <description>
-            {{- .Title | default (T .Section) | default .Section | printf (T "allSome") }} | {{ .Site.Title -}}
+            {{- .Params.Title | default (T .Section) | default .Section | printf (T "allSome") }} | {{ .Site.Title -}}
         </description>
         <generator>Hugo -- gohugo.io</generator>
         {{- with .Site.LanguageCode -}}
diff --git a/layouts/posts/single.html b/layouts/posts/single.html
index ba3a784..20aa8a8 100644
--- a/layouts/posts/single.html
+++ b/layouts/posts/single.html
@@ -67,21 +67,17 @@
 
         {{- /* Static TOC */ -}}
         {{- if $params.toc.enable -}}
-            <div class="toc" id="toc-static">
-                <details>
-                    <summary>
-                        <div class="toc-title">
-                            <span>{{ T "contents" }}</span>
-                            <span><i class="details icon fas fa-angle-down"></i></span>
-                        </div>
-                    </summary>
-                    <div class="toc-content" id="toc-content-static">
-                        {{- $toc := .TableOfContents -}}
-                        {{- $toc = partial "function/fontawesome.html" $toc -}}
-                        {{- $toc = partial "function/ruby.html" $toc -}}
-                        {{- $toc | safeHTML -}}
-                    </div>
-                </details>
+            <div class="details toc" id="toc-static">
+                <div class="details-summary toc-title">
+                    <span>{{ T "contents" }}</span>
+                    <span><i class="details-icon fas fa-angle-down"></i></span>
+                </div>
+                <div class="details-content toc-content" id="toc-content-static">
+                    {{- $toc := .TableOfContents -}}
+                    {{- $toc = partial "function/fontawesome.html" $toc -}}
+                    {{- $toc = partial "function/ruby.html" $toc -}}
+                    {{- $toc | safeHTML -}}
+                </div>
             </div>
         {{- end -}}
 
diff --git a/layouts/shortcodes/admonition.html b/layouts/shortcodes/admonition.html
index 08123e9..ac69a33 100644
--- a/layouts/shortcodes/admonition.html
+++ b/layouts/shortcodes/admonition.html
@@ -16,18 +16,20 @@
 
 {{- if .IsNamedParams -}}
     {{- $type := .Get "type" | default "note" -}}
-    {{- if .Get "details"  -}}
-        <details class="admonition {{ $type }}">
-            <summary class="admonition-title">
-                <i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get "title" | default (T $type) }}<i class="details {{ $iconDetails }}"></i>
-            </summary>
-            <div class="admonition-content">
-                {{- $inner -}}
+    {{- if .Get "details" -}}
+        <div class="details admonition {{ $type }}">
+            <div class="details-summary admonition-title">
+                <i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get "title" | default (T $type) }}<i class="details-icon {{ $iconDetails }}"></i>
             </div>
-        </details>
+            <div class="details-content">
+                <div class="admonition-content">
+                    {{- $inner -}}
+                </div>
+            </div>
+        </div>
     {{- else -}}
         <div class="admonition {{ $type }}">
-            <p class="admonition-title"><i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get "title" | default (T $type) }}</p>
+            <div class="admonition-title"><i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get "title" | default (T $type) }}</div>
             <div class="admonition-content">
                 {{- $inner -}}
             </div>
@@ -36,17 +38,19 @@
 {{- else -}}
     {{- $type := .Get 0 | default "note" -}}
     {{- if .Get 2 -}}
-        <details class="admonition {{ $type }}">
-            <summary class="admonition-title">
-                <i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get 1 | default (T $type) }}<i class="details {{ $iconDetails }}"></i>
-            </summary>
-            <div class="admonition-content">
-                {{- $inner -}}
+        <div class="details admonition {{ $type }}">
+            <div class="details-summary admonition-title">
+                <i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get 1 | default (T $type) }}<i class="details-icon {{ $iconDetails }}"></i>
             </div>
-        </details>
+            <div class="details-content">
+                <div class="admonition-content">
+                    {{- $inner -}}
+                </div>
+            </div>
+        </div>
     {{- else -}}
         <div class="admonition {{ $type }}">
-            <p class="admonition-title"><i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get 1 | default (T $type) }}</p>
+            <div class="admonition-title"><i class="icon {{ index $iconMap $type | default (index $iconMap "note") }}"></i>{{ .Get 1 | default (T $type) }}</div>
             <div class="admonition-content">
                 {{- $inner -}}
             </div>
diff --git a/layouts/taxonomy/rss.xml b/layouts/taxonomy/rss.xml
index 2d79cfa..5b60aa8 100644
--- a/layouts/taxonomy/rss.xml
+++ b/layouts/taxonomy/rss.xml
@@ -1,13 +1,13 @@
 <rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
     <channel>
         <title>
-            {{- .Title }} | {{ T .Data.Singular | default .Data.Singular }} | {{ .Site.Title -}}
+            {{- .Params.Title }} | {{ T .Data.Singular | default .Data.Singular }} | {{ .Site.Title -}}
         </title>
         <link>
             {{- .Permalink -}}
         </link>
         <description>
-            {{- .Title }} | {{ T .Data.Singular | default .Data.Singular }} | {{ .Site.Title -}}
+            {{- .Params.Title }} | {{ T .Data.Singular | default .Data.Singular }} | {{ .Site.Title -}}
         </description>
         <generator>Hugo -- gohugo.io</generator>
         {{- with .Site.LanguageCode -}}
diff --git a/resources/_gen/assets/scss/css/style.template.scss_b8ba9a60a151126bfcde1421dc0b972d.content b/resources/_gen/assets/scss/css/style.template.scss_b8ba9a60a151126bfcde1421dc0b972d.content
index 3fa7ff3..e4d94f6 100644
--- a/resources/_gen/assets/scss/css/style.template.scss_b8ba9a60a151126bfcde1421dc0b972d.content
+++ b/resources/_gen/assets/scss/css/style.template.scss_b8ba9a60a151126bfcde1421dc0b972d.content
@@ -1,3 +1,3 @@
-@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@800&display=swap");html{font-family:system,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei UI,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,Helvetica,Arial,sans-serif;font-weight:400;font-display:swap;font-size:16px;line-height:1.5rem;width:100%}::-webkit-scrollbar{width:.5rem;height:.5rem}::-webkit-scrollbar-thumb{background-color:#87878d}::-webkit-scrollbar-thumb:hover{background-color:#a9a9b3}::selection{background-color:rgba(53,166,247,0.25)}.dark ::selection{background-color:rgba(50,112,194,0.4)}body{background-color:#fff;color:#161209;overflow-wrap:break-word;scrollbar-color:auto}body.dark{color:#a9a9b3;background-color:#292a2d}#mask{background-repeat:no-repeat;background-position:center;position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;background-color:rgba(0,0,0,0)}.blur #mask{z-index:100;background-color:rgba(0,0,0,0.25)}a{text-decoration:none}a{color:#161209}.dark a{color:#a9a9b3}a:active,a:hover{color:#2d96bd}.dark a:active,.dark a:hover{color:#fff}svg.icon{display:inline-block;width:1.25em;height:1em;text-align:center}svg.icon path{fill:currentColor}#fixed-buttons{display:none}.fixed-button{display:none;z-index:100;position:fixed;right:1.5rem;font-size:1rem;line-height:1.3rem;padding:.6rem .6rem;color:#a9a9b3;background:#f8f8f8;border:1px solid #d7d7d7;-webkit-border-radius:2rem;-moz-border-radius:2rem;border-radius:2rem}.blur .fixed-button{-webkit-filter:blur(1.5px);-moz-filter:blur(1.5px);-ms-filter:blur(1.5px);filter:blur(1.5px)}.fixed-button:hover,.fixed-button:active{color:#161209;cursor:pointer}.fixed-button:active,.fixed-button:focus,.fixed-button:hover{outline:none}.dark .fixed-button{color:#5d5d5f;background:#252627;border-color:#313236}.dark .fixed-button:hover,.dark .fixed-button:active{color:#a9a9b3}#back-to-top{display:block;bottom:1.5rem}#view-comments{bottom:4.5rem}.wrapper{display:flex;flex-direction:column;min-height:97.5vh;width:100%}.wrapper main{flex:1 0 auto}.wrapper main .container{padding-left:1rem;padding-right:1rem}.page{position:relative;width:100%;max-width:60%;margin:0 auto;padding-top:3.5rem}.blur .page{-webkit-filter:blur(1.5px);-moz-filter:blur(1.5px);-ms-filter:blur(1.5px);filter:blur(1.5px)}#toc-auto{display:block;position:absolute;width:1000px;padding:0 .8rem;border-left:1px solid #f0f0f0;overflow-wrap:break-word;box-sizing:border-box;top:10rem;left:10000px}.blur #toc-auto{-webkit-filter:blur(1.5px);-moz-filter:blur(1.5px);-ms-filter:blur(1.5px);filter:blur(1.5px)}.dark #toc-auto{border-left:1px solid #4a4b50}#toc-auto .toc-title{font-weight:400;margin:.8rem 0;text-transform:uppercase}#toc-auto .toc-content.always-active ul{display:block}#toc-auto .toc-content>nav>ul{margin:.625rem 0}#toc-auto .toc-content ul{text-indent:-0.85rem;padding-left:.625rem;list-style:none}#toc-auto .toc-content ul a::before{content:"|";font-weight:bolder;margin-right:.5rem;color:#2d96bd}.dark #toc-auto .toc-content ul a::before{color:#55bde2}#toc-auto .toc-content ul ul{padding-left:1.25rem;display:none}#toc-auto .toc-content ul .has-active>ul{display:block}#toc-auto .toc-content a.active{font-weight:bold;color:#2d96bd}.dark #toc-auto .toc-content a.active{color:#55bde2}#toc-auto .toc-content a.active::before{color:#ef3982}.dark #toc-auto .toc-content a.active::before{color:#bdebfc}#toc-static{display:none;margin:.8rem 0}#toc-static details summary{list-style:none;background:#ededed}.dark #toc-static details summary{background:#20252b}#toc-static details summary .toc-title{display:block;display:flex;justify-content:space-between;font-weight:bold;line-height:2em;padding:0 .625rem}#toc-static details summary .toc-title i.details{line-height:2em}#toc-static details summary .toc-title:hover{cursor:pointer}#toc-static details summary::-webkit-details-marker{display:none}#toc-static details[open] i.details{-webkit-transform:rotate(180deg);-moz-transform:rotate(180deg);-ms-transform:rotate(180deg);-o-transform:rotate(180deg);transform:rotate(180deg)}#toc-static .toc-content{background-color:#f5f5f5}#toc-static .toc-content>nav>ul{margin:0;padding:.4rem .8rem}#toc-static .toc-content ul{list-style:none}#toc-static .toc-content ul ul{padding-left:1.25rem}.dark #toc-static .toc-content{background-color:#272C34}.toc .toc-title{font-size:1.2rem}.toc .toc-content{font-size:1rem}.toc ruby{background:#f5f5f5}.toc ruby rt{color:#a9a9b3}.dark .toc ruby{background:#272C34}.dark .toc ruby rt{color:#5d5d5f}.single .single-title{margin:1rem 0 .5rem;font-size:1.6rem;line-height:140%}.single .single-subtitle{margin:.4rem 0;font-size:1.2rem;font-weight:normal;font-style:italic;line-height:100%}.single .post-meta{font-size:.875rem;color:#a9a9b3}.single .post-meta span{display:inline-block}.dark .single .post-meta{color:#5d5d5f}.single .post-meta a{color:#2d96bd}.dark .single .post-meta a{color:#a9a9b3}.single .post-meta a:active,.single .post-meta a:hover{color:#ef3982}.dark .single .post-meta a:active,.dark .single .post-meta a:hover{color:#fff}.single .post-meta .author{font-size:1.05rem}.single .featured-image{margin:.5rem 0}.single .featured-image img{display:block;width:100%;height:auto;margin:0 auto;overflow:hidden}.single .content>h2{font-size:1.5rem}.single .content>h2 code{font-size:1.25rem}.single .content>h3{font-size:1.375rem}.single .content>h3 code{font-size:1.125rem}.single .content>h4{font-size:1.25rem}.single .content>h4 code{font-size:1rem}.single .content>h5{font-size:1.125rem}.single .content>h6{font-size:1rem}.single .content h2,.single .content h3,.single .content h4,.single .content h5,.single .content h6{font-weight:bold;margin:1.2rem 0}.dark .single .content h2,.dark .single .content h3,.dark .single .content h4,.dark 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1rem;font-size:1.125rem;-webkit-transition:margin-top 0.3s ease;-moz-transition:margin-top 0.3s ease;-o-transition:margin-top 0.3s ease;transition:margin-top 0.3s ease}#header-mobile .header-container .header-wrapper .header-title{font-size:1.5rem;max-width:80%}#header-mobile .header-container .header-wrapper .menu-toggle{line-height:4rem;cursor:pointer;-webkit-transition:width 0.3s ease;-moz-transition:width 0.3s ease;-o-transition:width 0.3s ease;transition:width 0.3s ease}#header-mobile .header-container .header-wrapper .menu-toggle span{display:block;background:#161209;width:1.5rem;height:2px;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;-webkit-transition:all 0.3s ease-in-out;-moz-transition:all 0.3s ease-in-out;-o-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out}.dark #header-mobile .header-container .header-wrapper .menu-toggle span{background:#a9a9b3}#header-mobile .header-container .header-wrapper .menu-toggle span:nth-child(1){margin-bottom:.5rem}#header-mobile .header-container .header-wrapper .menu-toggle span:nth-child(3){margin-top:.5rem}#header-mobile .header-container .header-wrapper .menu-toggle.active span:nth-child(1){-webkit-transform:rotate(45deg) translate(0.4rem, 0.5rem);-moz-transform:rotate(45deg) translate(0.4rem, 0.5rem);-ms-transform:rotate(45deg) translate(0.4rem, 0.5rem);-o-transform:rotate(45deg) translate(0.4rem, 0.5rem);transform:rotate(45deg) translate(0.4rem, 0.5rem)}#header-mobile .header-container .header-wrapper .menu-toggle.active span:nth-child(2){opacity:0}#header-mobile .header-container .header-wrapper .menu-toggle.active span:nth-child(3){-webkit-transform:rotate(-45deg) translate(0.4rem, -0.5rem);-moz-transform:rotate(-45deg) translate(0.4rem, -0.5rem);-ms-transform:rotate(-45deg) translate(0.4rem, -0.5rem);-o-transform:rotate(-45deg) translate(0.4rem, -0.5rem);transform:rotate(-45deg) translate(0.4rem, -0.5rem)}#header-mobile .header-container .menu{text-align:center;background:#f8f8f8;border-top:2px solid #f0f0f0;display:none;padding-top:.5rem;-webkit-box-shadow:0 0.125rem 0.25rem rgba(0,0,0,0.1);box-shadow:0 0.125rem 0.25rem rgba(0,0,0,0.1)}#header-mobile .header-container .menu .search-wrapper{display:flex;justify-content:space-between;align-items:center;box-sizing:border-box;padding:.5rem 1rem;line-height:2.5rem}#header-mobile .header-container .menu .search{flex-grow:10}#header-mobile .header-container .menu .search .algolia-autocomplete,#header-mobile .header-container .menu .search input{width:100%}#header-mobile .header-container .menu .search-cancel{display:none;margin-left:.75rem}#header-mobile .header-container .menu .menu-item{display:block;line-height:2.5rem}#header-mobile .header-container .menu.active{display:block}.dark #header-mobile .header-container .menu{background:#252627;border-top-color:#4a4b50}#header-mobile.open .header-wrapper{margin-top:-3.5rem}#header-mobile.open .menu{padding-top:0;border-top:none}#header-mobile.open .menu .menu-item{display:none}#header-mobile.open .menu .search-cancel{display:inline}.search-dropdown{position:fixed;z-index:200;top:3.5rem;-webkit-box-shadow:0 0.125rem 0.25rem rgba(0,0,0,0.1);box-shadow:0 0.125rem 0.25rem rgba(0,0,0,0.1)}.search-dropdown.desktop{right:1.5rem;width:30rem}.search-dropdown.mobile{right:0;width:100%}.search-dropdown .dropdown-menu{right:0 !important;background-color:#fff}.dark .search-dropdown .dropdown-menu{background-color:#292a2d}.search-dropdown .dropdown-menu .suggestions{overflow-y:auto;max-height:calc(100vh - 3.5rem)}.search-dropdown .dropdown-menu .suggestions .suggestion{padding:.75rem 1rem}.search-dropdown .dropdown-menu .suggestions .suggestion .suggestion-title{display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:1rem;font-weight:bold;max-width:75%}.search-dropdown .dropdown-menu .suggestions .suggestion .suggestion-date{font-size:.875rem;float:right;text-align:right;color:#a9a9b3}.dark .search-dropdown .dropdown-menu .suggestions .suggestion .suggestion-date{color:#5d5d5f}.search-dropdown .dropdown-menu .suggestions .suggestion .suggestion-context{line-height:1.25rem;display:-moz-box;display:-webkit-box;display:box;-webkit-box-orient:vertical;-moz-box-orient:vertical;box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis;overflow-wrap:break-word;color:#a9a9b3}.dark .search-dropdown .dropdown-menu .suggestions .suggestion .suggestion-context{color:#5d5d5f}.search-dropdown .dropdown-menu .suggestions .suggestion em{font-style:normal;background-color:rgba(53,166,247,0.25)}.dark .search-dropdown .dropdown-menu .suggestions .suggestion em{background-color:rgba(50,112,194,0.4)}.search-dropdown .dropdown-menu .suggestions .suggestion.cursor{background:#e8e8e8}.dark .search-dropdown .dropdown-menu .suggestions .suggestion.cursor{background:#323843}.search-dropdown .dropdown-menu .suggestions .suggestion:hover{cursor:pointer}.search-dropdown .dropdown-menu .search-empty{padding:1rem;text-align:center}.search-dropdown .dropdown-menu .search-empty .search-query{font-weight:bold}.dark .search-dropdown .dropdown-menu .search-empty .search-query{color:#ddd}.search-dropdown .dropdown-menu .search-footer{padding:.5rem 1rem;float:right;font-size:.8rem;color:#a9a9b3}.search-dropdown .dropdown-menu .search-footer .dark{color:#5d5d5f}.search-dropdown .dropdown-menu .search-footer a{color:#2d96bd}.dark .search-dropdown .dropdown-menu .search-footer a{color:#55bde2}.search-dropdown .dropdown-menu .search-footer a:active,.search-dropdown .dropdown-menu .search-footer a:hover{color:#ef3982}.dark .search-dropdown .dropdown-menu .search-footer a:active,.dark .search-dropdown .dropdown-menu .search-footer a:hover{color:#bdebfc}.search-dropdown .dropdown-menu .search-footer a{font-size:1rem}footer{height:2rem;width:100%;text-align:center;line-height:1.5rem;padding-top:2rem}footer .footer-container{font-size:.875rem}footer .footer-container .footer-line{width:100%}footer .footer-container .footer-line .icp-br{display:none}.blur footer{-webkit-filter:blur(1.5px);-moz-filter:blur(1.5px);-ms-filter:blur(1.5px);filter:blur(1.5px)}.pagination{display:flex;flex-direction:row;justify-content:center;list-style:none;white-space:nowrap;width:100%;padding:1rem 0 0}.pagination a{font-size:.8rem;color:#bfbfbf;letter-spacing:.1rem;font-weight:700;padding:5px 5px;text-decoration:none;-webkit-transition:0.3s;-moz-transition:0.3s;-o-transition:0.3s;transition:0.3s}.pagination li{padding-bottom:3px;margin:0 20px;box-sizing:border-box;position:relative;display:inline}.pagination li.disabled{display:none}.pagination li:hover a{color:#000}.dark .pagination li:hover a{color:#fff}.pagination li:before,.pagination li:after{position:absolute;content:"";width:0;height:3px;background:#000;-webkit-transition:0.3s;-moz-transition:0.3s;-o-transition:0.3s;transition:0.3s;bottom:0px}.dark .pagination li:before,.dark .pagination li:after{background:#fff}.pagination li:before .active,.pagination li:after .active{width:100%}.pagination li:before{left:50%}.pagination li:after{right:50%}.pagination li:hover:before,.pagination li:hover:after{width:50%}.pagination li.active a{color:#000}.dark .pagination li.active a{color:#fff}.pagination li.active:before,.pagination li.active:after{width:60%}@media only screen and (max-width: 1440px){.page{width:56%}}@media only screen and (max-width: 1200px){.page{width:52%}}@media only screen and (max-width: 960px){#toc-auto{display:none}#toc-static{display:block}.page{width:80%}}@media only screen and (max-width: 680px){#header-desktop{display:none}#header-mobile{display:block}body.blur{overflow:hidden}.page{width:100%;padding-top:3.5rem}.page .categories-card .card-item{width:100%}.copyright .copyright-line .icp-splitter{display:none}.copyright .copyright-line .icp-br{display:block}}
 
 /*# sourceMappingURL=style.min.css.map */
\ No newline at end of file
diff --git a/src/js/theme.js b/src/js/theme.js
index ef04062..0f91b24 100644
--- a/src/js/theme.js
+++ b/src/js/theme.js
@@ -287,19 +287,20 @@ class Theme {
         } else initAutosearch();
     }
 
+    initDetails() {
+        this.util.forEach(document.getElementsByClassName('details'), $details => {
+            const $summary = $details.getElementsByClassName('details-summary')[0];
+            $summary.addEventListener('click', () => {
+                $details.classList.toggle('open');
+            }, false);
+        });
+    }
+
     initLightGallery() {
         if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);
     }
 
     initHighlight() {
-        this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {
-            const $elements = $chroma.querySelectorAll('pre.chroma > code');
-            if ($elements.length) {
-                $chroma.className += ' ' + $elements[$elements.length - 1].className.toLowerCase();
-                $elements[0].classList.add('lnc');
-                $elements[$elements.length - 1].classList.remove('lnc');
-            }
-        });
         this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {
             const $chroma = document.createElement('div');
             $chroma.className = $preChroma.className;
@@ -314,19 +315,42 @@ class Theme {
             $preChroma.parentElement.replaceChild($chroma, $preChroma);
             $td.appendChild($preChroma);
         });
-        this.util.forEach(document.querySelectorAll('pre > code'), $code => {
-            $code.classList.add('block');
-            if ($code.classList.contains('lnc') || !this.config.clipboard) return;
-            const $button = document.createElement('div');
-            $button.classList.add('copy-button');
-            $button.insertAdjacentHTML('afterbegin', '<i class="far fa-copy fa-fw"></i>');
-            $button.setAttribute('data-clipboard-text', $code.innerText);
-            $button.title = this.config.clipboard.title;
-            const clipboard = new ClipboardJS($button);
-            clipboard.on('success', e => {
-                this.util.animateCSS($code, 'flash');
-            });
-            $code.after($button);
+        this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {
+            const $codeElements = $chroma.querySelectorAll('pre.chroma > code');
+            if ($codeElements.length) {
+                const $code = $codeElements[$codeElements.length - 1];
+                const $header = document.createElement('div');
+                $header.className = 'code-header ' + $code.className.toLowerCase();
+                const $title = document.createElement('span');
+                $title.classList.add('code-title');
+                $title.insertAdjacentHTML('afterbegin', '<i class="arrow fas fa-chevron-right fa-fw"></i>');
+                $title.addEventListener('click', () => {
+                    $chroma.classList.toggle('open');
+                }, false);
+                $header.appendChild($title);
+                const $ellipses = document.createElement('span');
+                $ellipses.insertAdjacentHTML('afterbegin', '<i class="fas fa-ellipsis-h fa-fw"></i>');
+                $ellipses.classList.add('ellipses');
+                $ellipses.addEventListener('click', () => {
+                    $chroma.classList.add('open');
+                }, false);
+                $header.appendChild($ellipses);
+                const $copy = document.createElement('span');
+                $copy.insertAdjacentHTML('afterbegin', '<i class="far fa-copy fa-fw"></i>');
+                $copy.classList.add('copy');
+                const code = $code.innerText;
+                if (this.config.code.maxShownLines < 0 || code.split('\n').length < this.config.code.maxShownLines + 2) $chroma.classList.add('open');
+                if (this.config.code.copyTitle) {
+                    $copy.setAttribute('data-clipboard-text', code);
+                    $copy.title = this.config.code.copyTitle;
+                    const clipboard = new ClipboardJS($copy);
+                    clipboard.on('success', e => {
+                        this.util.animateCSS($code, 'flash');
+                    });
+                    $header.appendChild($copy);
+                }
+                $chroma.insertBefore($header, $chroma.firstChild);
+            }
         });
     }
 
@@ -618,6 +642,7 @@ class Theme {
         this.initMenuMobile();
         this.initSwitchTheme();
         this.initSearch();
+        this.initDetails();
         this.initLightGallery();
         this.initHighlight();
         this.initTable();