Refactor search, prepare for pre-built indexing

6 files changed, 47 insertions, 63 deletions

diff --git a/assets/search-data.js b/assets/search-data.js
deleted file mode 100644
index a93664e..0000000
--- a/assets/search-data.js
+++ /dev/null
@@ -1,32 +0,0 @@
-'use strict';
-
-(function () {
-  const indexCfg = {{ with i18n "bookSearchConfig" }}
-    {{ . }};
-  {{ else }}
-   {};
-  {{ end }}
-
-  indexCfg.doc = {
-    id: 'id',
-    field: ['title', 'content'],
-    store: ['title', 'href', 'section'],
-  };
-
-  const index = FlexSearch.create('balance', indexCfg);
-  window.bookSearchIndex = index;
-
-  {{- $pages := where .Site.Pages "Kind" "in" (slice "page" "section") -}}
-  {{- $pages = where $pages "Params.booksearchexclude" "!=" true -}}
-  {{- $pages = where $pages "Content" "not in" (slice nil "") -}}
-
-  {{ range $index, $page := $pages }}
-  index.add({
-    'id': {{ $index }},
-    'href': '{{ $page.RelPermalink }}',
-    'title': {{ (partial "docs/title" $page) | jsonify }},
-    'section': {{ (partial "docs/title" $page.Parent) | jsonify }},
-    'content': {{ $page.Plain | jsonify }}
-  });
-  {{- end -}}
-})();
diff --git a/assets/search-data.json b/assets/search-data.json
new file mode 100644
index 0000000..9a137c3
--- /dev/null
+++ b/assets/search-data.json
@@ -0,0 +1,15 @@
+[
+{{- $pages := where .Site.Pages "Kind" "in" (slice "page" "section") -}}
+{{- $pages = where $pages "Params.booksearchexclude" "!=" true -}}
+{{- $pages = where $pages "Content" "not in" (slice nil "") -}}
+
+{{ range $index, $page := $pages }}
+{{ if gt $index 0}},{{end}} {
+    "id": {{ $index }},
+    "href": "{{ $page.RelPermalink }}",
+    "title": {{ (partial "docs/title" $page) | jsonify }},
+    "section": {{ (partial "docs/title" $page.Parent) | jsonify }},
+    "content": {{ $page.Plain | jsonify }}
+}
+{{- end -}}
+]
diff --git a/assets/search.js b/assets/search.js
index 3635a1f..4e1c1da 100644
--- a/assets/search.js
+++ b/assets/search.js
@@ -1,9 +1,19 @@
 'use strict';
 
-{{ $searchDataFile := printf "%s.search-data.js" .Language.Lang }}
-{{ $searchData := resources.Get "search-data.js" | resources.ExecuteAsTemplate $searchDataFile . | resources.Minify | resources.Fingerprint }}
+{{ $searchDataFile := printf "%s.search-data.json" .Language.Lang }}
+{{ $searchData := resources.Get "search-data.json" | resources.ExecuteAsTemplate $searchDataFile . | resources.Minify | resources.Fingerprint }}
+{{ $searchConfig := i18n "bookSearchConfig" | default "{}" }}
 
 (function () {
+  const searchDataURL = '{{ $searchData.RelPermalink }}';
+  const indexConfig = Object.assign({{ $searchConfig }}, {
+    doc: {
+      id: 'id',
+      field: ['title', 'content'],
+      store: ['title', 'href', 'section']
+    }
+  });
+
   const input = document.querySelector('#book-search-input');
   const results = document.querySelector('#book-search-results');
 
@@ -46,11 +56,14 @@
     input.removeEventListener('focus', init); // init once
     input.required = true;
 
-    loadScript('{{ "flexsearch.min.js" | relURL }}');
-    loadScript('{{ $searchData.RelPermalink }}', function () {
-      input.required = false;
-      search();
-    });
+    fetch(searchDataURL)
+      .then(pages => pages.json())
+      .then(pages => {
+        window.bookSearchIndex = FlexSearch.create('balance', indexConfig);
+        window.bookSearchIndex.add(pages);
+      })
+      .then(() => input.required = false)
+      .then(search);
   }
 
   function search() {
@@ -74,19 +87,6 @@
       results.appendChild(li);
     });
   }
-
-  /**
-   * @param {String} src 
-   * @param {Function} callback 
-   */
-  function loadScript(src, callback) {
-    const script = document.createElement('script');
-    script.defer = true;
-    script.async = false;
-    script.src = src;
-    script.onload = callback;
-
-    document.head.appendChild(script);
   }
 
   /**
diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content b/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content
index 2dafab6..deccd58 100644
--- a/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content
+++ b/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content
@@ -1 +1 @@
-@charset "UTF-8";:root{--gray-100:#f8f9fa;--gray-200:#e9ecef;--gray-500:#adb5bd;--color-link:#0055bb;--color-visited-link:#8440f1;--body-background:white;--body-font-color:black;--icon-filter:none;--hint-color-info:#6bf;--hint-color-warning:#fd6;--hint-color-danger:#f66}/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:initial}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}.flex{display:flex}.flex-auto{flex:auto}.flex-even{flex:1 1}.flex-wrap{flex-wrap:wrap}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.align-center{align-items:center}.mx-auto{margin:0 auto}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.hidden{display:none}input.toggle{height:0;width:0;overflow:hidden;opacity:0;position:absolute}.clearfix::after{content:"";display:table;clear:both}html{font-size:16px;scroll-behavior:smooth;touch-action:manipulation}body{min-width:20rem;color:var(--body-font-color);background:var(--body-background);letter-spacing:.33px;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;box-sizing:border-box}body *{box-sizing:inherit}h1,h2,h3,h4,h5{font-weight:400}a{text-decoration:none;color:var(--color-link)}img{vertical-align:baseline}:focus{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}aside nav ul{padding:0;margin:0;list-style:none}aside nav ul li{margin:1em 0;position:relative}aside nav ul a{display:block}aside nav ul a:hover{opacity:.5}aside nav ul ul{padding-inline-start:1rem}ul.pagination{display:flex;justify-content:center;list-style-type:none}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-icon{filter:var(--icon-filter)}.book-brand{margin-top:0}.book-brand img{height:1.5em;width:auto;vertical-align:middle;margin-inline-end:.5rem}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu .book-menu-content{width:16rem;padding:1rem;background:var(--body-background);position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a,.book-menu label{color:inherit;cursor:pointer;word-wrap:break-word}.book-menu a.active{color:var(--color-link)}.book-menu input.toggle+label+ul{display:none}.book-menu input.toggle:checked+label+ul{display:block}.book-menu input.toggle+label::after{content:"▸"}.book-menu input.toggle:checked+label::after{content:"▾"}.book-section-flat{margin-bottom:2rem}.book-section-flat:not(:first-child){margin-top:2rem}.book-section-flat>a,.book-section-flat>span,.book-section-flat>label{font-weight:bolder}.book-section-flat>ul{padding-inline-start:0}.book-page{min-width:20rem;flex-grow:1;padding:1rem}.book-post{margin-bottom:3rem}.book-header{display:none;margin-bottom:1rem}.book-header label{line-height:0}.book-search{position:relative;margin:1rem 0;border-bottom:1px solid transparent}.book-search input{width:100%;padding:.5rem;border:0;border-radius:.25rem;background:var(--gray-100);color:var(--body-font-color)}.book-search input:required+.book-search-spinner{display:block}.book-search .book-search-spinner{position:absolute;top:0;margin:.5rem;margin-inline-start:calc(100% - 1.5rem);width:1rem;height:1rem;border:1px solid transparent;border-top-color:var(--body-font-color);border-radius:50%;animation:spin 1s ease infinite}@keyframes spin{100%{transform:rotate(360deg)}}.book-search small{opacity:.5}.book-toc{flex:0 0 16rem;font-size:.75rem}.book-toc .book-toc-content{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-toc img{height:1em}.book-toc nav>ul>li:first-child{margin-top:0}.book-footer{padding-top:1rem;font-size:.875rem}.book-footer img{height:1em;margin-inline-end:.5rem}.book-comments{margin-top:1rem}.book-languages{position:relative;overflow:visible;padding:1rem;margin:-1rem}.book-languages ul{margin:0;padding:0;list-style:none}.book-languages ul li{white-space:nowrap;cursor:pointer}.book-languages:hover .book-languages-list,.book-languages:focus .book-languages-list,.book-languages:focus-within .book-languages-list{display:block}.book-languages .book-languages-list{display:none;position:absolute;bottom:100%;left:0;padding:.5rem 0;background:var(--body-background);box-shadow:0 0 .25rem rgba(0,0,0,.1)}.book-languages .book-languages-list li img{opacity:.25}.book-languages .book-languages-list li.active img,.book-languages .book-languages-list li:hover img{opacity:initial}.book-languages .book-languages-list a{color:inherit;padding:.5rem 1rem}.book-home{padding:1rem}.book-menu-content,.book-toc-content,.book-page,.book-header aside,.markdown{transition:.2s ease-in-out;transition-property:transform,margin,opacity,visibility;will-change:transform,margin,opacity}@media screen and (max-width:56rem){#menu-control,#toc-control{display:inline}.book-menu{visibility:hidden;margin-inline-start:-16rem;font-size:16px;z-index:1}.book-toc{display:none}.book-header{display:block}#menu-control:focus~main label[for=menu-control]{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}#menu-control:checked~main .book-menu{visibility:initial}#menu-control:checked~main .book-menu .book-menu-content{transform:translateX(16rem);box-shadow:0 0 .5rem rgba(0,0,0,.1)}#menu-control:checked~main .book-page{opacity:.25}#menu-control:checked~main .book-menu-overlay{display:block;position:absolute;top:0;bottom:0;left:0;right:0}#toc-control:focus~main label[for=toc-control]{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}#toc-control:checked~main .book-header aside{display:block}body[dir=rtl] #menu-control:checked+main .book-menu .book-menu-content{transform:translateX(-16rem)}}@media screen and (min-width:80rem){.book-page,.book-menu .book-menu-content,.book-toc .book-toc-content{padding:2rem 1rem}}@font-face{font-family:roboto;font-style:italic;font-weight:300;font-display:swap;src:local("Roboto Light Italic"),local("Roboto-LightItalic"),url(fonts/roboto-v19-latin-300italic.woff2)format("woff2"),url(fonts/roboto-v19-latin-300italic.woff)format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:400;font-display:swap;src:local("Roboto"),local("Roboto-Regular"),url(fonts/roboto-v19-latin-regular.woff2)format("woff2"),url(fonts/roboto-v19-latin-regular.woff)format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:700;font-display:swap;src:local("Roboto Bold"),local("Roboto-Bold"),url(fonts/roboto-v19-latin-700.woff2)format("woff2"),url(fonts/roboto-v19-latin-700.woff)format("woff")}@font-face{font-family:roboto mono;font-style:normal;font-weight:400;font-display:swap;src:local("Roboto Mono"),local("RobotoMono-Regular"),url(fonts/roboto-mono-v6-latin-regular.woff2)format("woff2"),url(fonts/roboto-mono-v6-latin-regular.woff)format("woff")}body{font-family:roboto,sans-serif}code{font-family:roboto mono,monospace}@media print{.book-menu,.book-footer,.book-toc{display:none}.book-header,.book-header aside{display:block}main{display:block!important}}.markdown{line-height:1.6}.markdown>:first-child{margin-top:0}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5,.markdown h6{font-weight:400;line-height:1;margin-top:1.5em;margin-bottom:1rem}.markdown h1 a.anchor,.markdown h2 a.anchor,.markdown h3 a.anchor,.markdown h4 a.anchor,.markdown h5 a.anchor,.markdown h6 a.anchor{opacity:0;font-size:.75em;vertical-align:middle;text-decoration:none}.markdown h1:hover a.anchor,.markdown h1 a.anchor:focus,.markdown h2:hover a.anchor,.markdown h2 a.anchor:focus,.markdown h3:hover a.anchor,.markdown h3 a.anchor:focus,.markdown h4:hover a.anchor,.markdown h4 a.anchor:focus,.markdown h5:hover a.anchor,.markdown h5 a.anchor:focus,.markdown h6:hover a.anchor,.markdown h6 a.anchor:focus{opacity:initial}.markdown h4,.markdown h5,.markdown h6{font-weight:bolder}.markdown h5{font-size:.875em}.markdown 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hr{height:1px;border:none;background:var(--gray-200)}.markdown ul,.markdown ol{padding-inline-start:2rem}.markdown dl dt{font-weight:bolder;margin-top:1rem}.markdown dl dd{margin-inline-start:0;margin-bottom:1rem}.markdown .highlight table tr td:nth-child(1) pre{margin:0;padding-inline-end:0}.markdown .highlight table tr td:nth-child(2) pre{margin:0;padding-inline-start:0}.markdown details{padding:1rem;border:1px solid var(--gray-200);border-radius:.25rem}.markdown details summary{line-height:1;padding:1rem;margin:-1rem;cursor:pointer}.markdown details[open] summary{margin-bottom:0}.markdown figure{margin:1rem 0}.markdown figure figcaption p{margin-top:0}.markdown-inner>:first-child{margin-top:0}.markdown-inner>:last-child{margin-bottom:0}.markdown .book-expand{margin-top:1rem;margin-bottom:1rem;border:1px solid var(--gray-200);border-radius:.25rem;overflow:hidden}.markdown .book-expand .book-expand-head{background:var(--gray-100);padding:.5rem 1rem;cursor:pointer}.markdown .book-expand .book-expand-content{display:none;padding:1rem}.markdown .book-expand input[type=checkbox]:checked+.book-expand-content{display:block}.markdown .book-tabs{margin-top:1rem;margin-bottom:1rem;border:1px solid var(--gray-200);border-radius:.25rem;overflow:hidden;display:flex;flex-wrap:wrap}.markdown .book-tabs label{display:inline-block;padding:.5rem 1rem;border-bottom:1px transparent;cursor:pointer}.markdown .book-tabs .book-tabs-content{order:999;width:100%;border-top:1px solid var(--gray-100);padding:1rem;display:none}.markdown .book-tabs input[type=radio]:checked+label{border-bottom:1px solid var(--color-link)}.markdown .book-tabs input[type=radio]:checked+label+.book-tabs-content{display:block}.markdown .book-tabs input[type=radio]:focus+label{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}.markdown .book-columns{margin-left:-1rem;margin-right:-1rem}.markdown .book-columns>div{margin:1rem 0;min-width:10rem;padding:0 1rem}.markdown a.book-btn{display:inline-block;font-size:.875rem;color:var(--color-link);line-height:2rem;padding:0 1rem;border:1px solid var(--color-link);border-radius:.25rem;cursor:pointer}.markdown a.book-btn:hover{text-decoration:none}.markdown .book-hint.info{border-color:#6bf;background-color:rgba(102,187,255,.1)}.markdown .book-hint.warning{border-color:#fd6;background-color:rgba(255,221,102,.1)}.markdown .book-hint.danger{border-color:#f66;background-color:rgba(255,102,102,.1)}
\ No newline at end of file
+@charset "UTF-8";:root{--gray-100:#f8f9fa;--gray-200:#e9ecef;--gray-500:#adb5bd;--color-link:#0055bb;--color-visited-link:#8440f1;--body-background:white;--body-font-color:black;--icon-filter:none;--hint-color-info:#6bf;--hint-color-warning:#fd6;--hint-color-danger:#f66}/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em 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ul{padding-inline-start:1rem}ul.pagination{display:flex;justify-content:center;list-style-type:none}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-icon{filter:var(--icon-filter)}.book-brand{margin-top:0}.book-brand img{height:1.5em;width:auto;vertical-align:middle;margin-inline-end:.5rem}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu .book-menu-content{width:16rem;padding:1rem;background:var(--body-background);position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a,.book-menu label{color:inherit;cursor:pointer;word-wrap:break-word}.book-menu a.active{color:var(--color-link)}.book-menu input.toggle+label+ul{display:none}.book-menu input.toggle:checked+label+ul{display:block}.book-menu input.toggle+label::after{content:"▸"}.book-menu input.toggle:checked+label::after{content:"▾"}.book-section-flat{margin-bottom:2rem}.book-section-flat:not(:first-child){margin-top:2rem}.book-section-flat>a,.book-section-flat>span,.book-section-flat>label{font-weight:bolder}.book-section-flat>ul{padding-inline-start:0}.book-page{min-width:20rem;flex-grow:1;padding:1rem}.book-post{margin-bottom:3rem}.book-header{display:none;margin-bottom:1rem}.book-header label{line-height:0}.book-search{position:relative;margin:1rem 0;border-bottom:1px solid transparent}.book-search input{width:100%;padding:.5rem;border:0;border-radius:.25rem;background:var(--gray-100);color:var(--body-font-color)}.book-search input:required+.book-search-spinner{display:block}.book-search .book-search-spinner{position:absolute;top:0;margin:.5rem;margin-inline-start:calc(100% - 1.5rem);width:1rem;height:1rem;border:1px solid transparent;border-top-color:var(--body-font-color);border-radius:50%;animation:spin 1s ease infinite}@keyframes spin{100%{transform:rotate(360deg)}}.book-search small{opacity:.5}.book-toc{flex:0 0 16rem;font-size:.75rem}.book-toc .book-toc-content{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-toc img{height:1em}.book-toc nav>ul>li:first-child{margin-top:0}.book-footer{padding-top:1rem;font-size:.875rem}.book-footer img{height:1em;margin-inline-end:.5rem}.book-comments{margin-top:1rem}.book-languages{position:relative;overflow:visible;padding:1rem;margin:-1rem}.book-languages ul{margin:0;padding:0;list-style:none}.book-languages ul li{white-space:nowrap;cursor:pointer}.book-languages:hover .book-languages-list,.book-languages:focus .book-languages-list,.book-languages:focus-within .book-languages-list{display:block}.book-languages .book-languages-list{display:none;position:absolute;bottom:100%;left:0;padding:.5rem 0;background:var(--body-background);box-shadow:0 0 .25rem rgba(0,0,0,.1)}.book-languages .book-languages-list li img{opacity:.25}.book-languages .book-languages-list li.active img,.book-languages .book-languages-list li:hover img{opacity:initial}.book-languages .book-languages-list a{color:inherit;padding:.5rem 1rem}.book-home{padding:1rem}.book-menu-content,.book-toc-content,.book-page,.book-header aside,.markdown{transition:.2s ease-in-out;transition-property:transform,margin,opacity,visibility;will-change:transform,margin,opacity}@media screen and (max-width:56rem){#menu-control,#toc-control{display:inline}.book-menu{visibility:hidden;margin-inline-start:-16rem;font-size:16px;z-index:1}.book-toc{display:none}.book-header{display:block}#menu-control:focus~main label[for=menu-control]{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}#menu-control:checked~main .book-menu{visibility:initial}#menu-control:checked~main .book-menu .book-menu-content{transform:translateX(16rem);box-shadow:0 0 .5rem rgba(0,0,0,.1)}#menu-control:checked~main .book-page{opacity:.25}#menu-control:checked~main .book-menu-overlay{display:block;position:absolute;top:0;bottom:0;left:0;right:0}#toc-control:focus~main label[for=toc-control]{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}#toc-control:checked~main .book-header aside{display:block}body[dir=rtl] #menu-control:checked+main .book-menu .book-menu-content{transform:translateX(-16rem)}}@media screen and (min-width:80rem){.book-page,.book-menu .book-menu-content,.book-toc .book-toc-content{padding:2rem 1rem}}@font-face{font-family:roboto;font-style:italic;font-weight:300;font-display:swap;src:local("Roboto Light Italic"),local("Roboto-LightItalic"),url(fonts/roboto-v19-latin-300italic.woff2)format("woff2"),url(fonts/roboto-v19-latin-300italic.woff)format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:400;font-display:swap;src:local("Roboto"),local("Roboto-Regular"),url(fonts/roboto-v19-latin-regular.woff2)format("woff2"),url(fonts/roboto-v19-latin-regular.woff)format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:700;font-display:swap;src:local("Roboto Bold"),local("Roboto-Bold"),url(fonts/roboto-v19-latin-700.woff2)format("woff2"),url(fonts/roboto-v19-latin-700.woff)format("woff")}@font-face{font-family:roboto mono;font-style:normal;font-weight:400;font-display:swap;src:local("Roboto Mono"),local("RobotoMono-Regular"),url(fonts/roboto-mono-v6-latin-regular.woff2)format("woff2"),url(fonts/roboto-mono-v6-latin-regular.woff)format("woff")}body{font-family:roboto,sans-serif}code{font-family:roboto mono,monospace}@media print{.book-menu,.book-footer,.book-toc{display:none}.book-header,.book-header aside{display:block}main{display:block!important}}.markdown{line-height:1.6}.markdown>:first-child{margin-top:0}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5,.markdown h6{font-weight:400;line-height:1;margin-top:1.5em;margin-bottom:1rem}.markdown h1 a.anchor,.markdown h2 a.anchor,.markdown h3 a.anchor,.markdown h4 a.anchor,.markdown h5 a.anchor,.markdown h6 a.anchor{opacity:0;font-size:.75em;vertical-align:middle;text-decoration:none}.markdown h1:hover a.anchor,.markdown h1 a.anchor:focus,.markdown h2:hover a.anchor,.markdown h2 a.anchor:focus,.markdown h3:hover a.anchor,.markdown h3 a.anchor:focus,.markdown h4:hover a.anchor,.markdown h4 a.anchor:focus,.markdown h5:hover a.anchor,.markdown h5 a.anchor:focus,.markdown h6:hover a.anchor,.markdown h6 a.anchor:focus{opacity:initial}.markdown h4,.markdown h5,.markdown h6{font-weight:bolder}.markdown h5{font-size:.875em}.markdown h6{font-size:.75em}.markdown b,.markdown optgroup,.markdown strong{font-weight:bolder}.markdown a{text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown a:visited{color:var(--color-visited-link)}.markdown img{max-width:100%}.markdown code{padding:0 .25rem;background:var(--gray-200);border-radius:.25rem;font-size:.875em}.markdown pre{padding:1rem;background:var(--gray-100);border-radius:.25rem;overflow-x:auto}.markdown pre code{padding:0;background:0 0}.markdown blockquote{margin:1rem 0;padding:.5rem 1rem .5rem .75rem;border-inline-start:.25rem solid var(--gray-200);border-radius:.25rem}.markdown blockquote :first-child{margin-top:0}.markdown blockquote :last-child{margin-bottom:0}.markdown table{overflow:auto;display:block;border-spacing:0;border-collapse:collapse;margin-top:1rem;margin-bottom:1rem}.markdown table tr th,.markdown table tr td{padding:.5rem 1rem;border:1px solid var(--gray-200)}.markdown table tr:nth-child(2n){background:var(--gray-100)}.markdown hr{height:1px;border:none;background:var(--gray-200)}.markdown ul,.markdown ol{padding-inline-start:2rem}.markdown dl dt{font-weight:bolder;margin-top:1rem}.markdown dl dd{margin-inline-start:0;margin-bottom:1rem}.markdown .highlight table tr td:nth-child(1) pre{margin:0;padding-inline-end:0}.markdown .highlight table tr td:nth-child(2) pre{margin:0;padding-inline-start:0}.markdown details{padding:1rem;border:1px solid var(--gray-200);border-radius:.25rem}.markdown details summary{line-height:1;padding:1rem;margin:-1rem;cursor:pointer}.markdown details[open] summary{margin-bottom:0}.markdown figure{margin:1rem 0}.markdown figure figcaption p{margin-top:0}.markdown-inner>:first-child{margin-top:0}.markdown-inner>:last-child{margin-bottom:0}.markdown .book-expand{margin-top:1rem;margin-bottom:1rem;border:1px solid var(--gray-200);border-radius:.25rem;overflow:hidden}.markdown .book-expand .book-expand-head{background:var(--gray-100);padding:.5rem 1rem;cursor:pointer}.markdown .book-expand .book-expand-content{display:none;padding:1rem}.markdown .book-expand input[type=checkbox]:checked+.book-expand-content{display:block}.markdown .book-tabs{margin-top:1rem;margin-bottom:1rem;border:1px solid var(--gray-200);border-radius:.25rem;overflow:hidden;display:flex;flex-wrap:wrap}.markdown .book-tabs label{display:inline-block;padding:.5rem 1rem;border-bottom:1px transparent;cursor:pointer}.markdown .book-tabs .book-tabs-content{order:999;width:100%;border-top:1px solid var(--gray-100);padding:1rem;display:none}.markdown .book-tabs input[type=radio]:checked+label{border-bottom:1px solid var(--color-link)}.markdown .book-tabs input[type=radio]:checked+label+.book-tabs-content{display:block}.markdown .book-tabs input[type=radio]:focus+label{outline-style:auto;outline-color:currentColor;outline-color:-webkit-focus-ring-color}.markdown .book-columns{margin-left:-1rem;margin-right:-1rem}.markdown .book-columns>div{margin:1rem 0;min-width:10rem;padding:0 1rem}.markdown a.book-btn{display:inline-block;font-size:.875rem;color:var(--color-link);line-height:2rem;padding:0 1rem;border:1px solid var(--color-link);border-radius:.25rem;cursor:pointer}.markdown a.book-btn:hover{text-decoration:none}.markdown .book-hint.info{border-color:#6bf;background-color:rgba(102,187,255,.1)}.markdown .book-hint.warning{border-color:#fd6;background-color:rgba(255,221,102,.1)}.markdown .book-hint.danger{border-color:#f66;background-color:rgba(255,102,102,.1)}
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json b/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json
index 9ca8175..9f0ddf8 100644
--- a/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json
+++ b/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.json
@@ -1 +1 @@
-{"Target":"book.min.88999ddd76b75d2f982298d6a6ebd4b60f2068f6f112c9439a998f77b12ded54.css","MediaType":"text/css","Data":{"Integrity":"sha256-iJmd3Xa3XS+YIpjWpuvUtg8gaPbxEslDmpmPd7Et7VQ="}}
\ No newline at end of file
+{"Target":"book.min.e246e6a45b940b6ff71d8216783f10a80d910290a7c364c8bfd5d305d8545d62.css","MediaType":"text/css","Data":{"Integrity":"sha256-4kbmpFuUC2/3HYIWeD8QqA2RApCnw2TIv9XTBdhUXWI="}}
\ No newline at end of file
diff --git a/layouts/partials/docs/html-head.html b/layouts/partials/docs/html-head.html
index 905904f..647511b 100644
--- a/layouts/partials/docs/html-head.html
+++ b/layouts/partials/docs/html-head.html
@@ -12,22 +12,23 @@
 <link rel="icon" href="{{ "favicon.png" | relURL }}" type="image/x-icon">
 
 {{- range .Translations }}
-<link rel="alternate" hreflang="{{ .Language.Lang }}" href="{{ .Permalink }}" title="{{ partial "docs/title" . }}">
-{{ end -}}
+  <link rel="alternate" hreflang="{{ .Language.Lang }}" href="{{ .Permalink }}" title="{{ partial "docs/title" . }}">
+{{- end -}}
 
 <!-- Theme stylesheet, you can customize scss by creating `assets/custom.scss` in your website -->
 {{- $styles := resources.Get "book.scss" | resources.ExecuteAsTemplate "book.scss" . | resources.ToCSS | resources.Minify | resources.Fingerprint }}
 <link rel="stylesheet" href="{{ $styles.RelPermalink }}" integrity="{{ $styles.Data.Integrity }}">
 
-{{- if default true .Site.Params.BookSearch }}
-{{- $searchJSFile := printf "%s.search.js" .Language.Lang }}
-{{- $searchJS := resources.Get "search.js" | resources.ExecuteAsTemplate $searchJSFile . | resources.Minify | resources.Fingerprint }}
-<script defer src="{{ $searchJS.RelPermalink }}" integrity="{{ $searchJS.Data.Integrity }}"></script>
+{{- if default true .Site.Params.BookSearch -}}
+  {{- $searchJSFile := printf "%s.search.js" .Language.Lang }}
+  {{- $searchJS := resources.Get "search.js" | resources.ExecuteAsTemplate $searchJSFile . | resources.Minify | resources.Fingerprint }}
+  <script defer src="{{ "flexsearch.min.js" | relURL }}"></script>
+  <script defer src="{{ $searchJS.RelPermalink }}" integrity="{{ $searchJS.Data.Integrity }}"></script>
 {{ end -}}
 
-{{- if .Site.Params.BookServiceWorker }}
-{{- $swJS := resources.Get "sw-register.js" | resources.ExecuteAsTemplate "sw.js" . | resources.Minify | resources.Fingerprint }}
-<script defer src="{{ $swJS.RelPermalink }}" integrity="{{ $swJS.Data.Integrity }}"></script>
+{{- if .Site.Params.BookServiceWorker -}}
+  {{- $swJS := resources.Get "sw-register.js" | resources.ExecuteAsTemplate "sw.js" . | resources.Minify | resources.Fingerprint }}
+  <script defer src="{{ $swJS.RelPermalink }}" integrity="{{ $swJS.Data.Integrity }}"></script>
 {{ end -}}
 
 {{- template "_internal/google_analytics_async.html" . -}}