Show progressbar while loading lunr and data

8 files changed, 52 insertions, 23 deletions

diff --git a/assets/_utils.scss b/assets/_utils.scss
index 31bfaed..6ae0d7d 100644
--- a/assets/_utils.scss
+++ b/assets/_utils.scss
@@ -46,6 +46,15 @@
   display: none;
 }
 
+@mixin spin($duration) {
+  animation: spin $duration ease infinite;
+  @keyframes spin {
+    100% {
+      transform: rotate(360deg);
+    }
+  }
+}
+
 @mixin fixed {
   position: fixed;
   top: 0;
diff --git a/assets/book.scss b/assets/book.scss
index 3ef2294..5a468f0 100644
--- a/assets/book.scss
+++ b/assets/book.scss
@@ -138,12 +138,15 @@ ul.pagination {
 }
 
 .book-search {
-  #book-search-input {
+  position: relative;
+  margin: $padding-16 0;
+
+  input {
     border: 0;
     border-bottom: $padding-1 solid $body-font-color;
     outline: none;
 
-    padding: $padding-4 $padding-4 $padding-4 $padding-16 + $padding-4;
+    padding: $padding-4 $padding-16 + $padding-4;
     width: 100%;
 
     background: url("svg/search.svg") left center no-repeat;
@@ -153,9 +156,28 @@ ul.pagination {
     &:focus {
       opacity: 1;
     }
+
+    &:required + .book-search-spinner {
+      display: block;
+    }
+  }
+
+  .book-search-spinner {
+    position: absolute;
+    right: 0;
+    top: $padding-4;
+
+    width: $padding-16;
+    height: $padding-16;
+
+    border: $padding-1 solid transparent;
+    border-top-color: $body-font-color;
+    border-radius: 50%;
+
+    @include spin(1s)
   }
 
-  #book-search-results li:last-child {
+  li:last-child {
     margin-bottom: $padding-16 * 2;
   }
 }
diff --git a/assets/search.js b/assets/search.js
index eb38c1d..3cc9702 100644
--- a/assets/search.js
+++ b/assets/search.js
@@ -3,19 +3,20 @@
 (function() {
   const input = document.querySelector("#book-search-input");
   const results = document.querySelector("#book-search-results");
-  const dummy = document.querySelector("#book-search-dummy");
 
   input.addEventListener("focus", init);
   input.addEventListener("keyup", search);
 
   function init() {
-    loadScript("{{ "lunr.min.js" | relURL }}")
+    input.removeEventListener("focus", init); //init once
+    input.required = true;
+
+    loadScript("{{ "lunr.min.js" | relURL }}");
     loadScript("{{ $searchData.RelPermalink }}", function() {
       input.readOnly = false;
+      input.required = false;
       search();
     });
-
-    input.removeEventListener("focus", init);
   }
 
   function search() {
@@ -23,18 +24,18 @@
       results.removeChild(results.firstChild);
     }
 
-    if (!input.value || !window.bookSearch) {
-      return
+    if (!input.value) {
+      return;
     }
 
     const terms = lunr.tokenizer(input.value);
     const searchHits = window.bookSearch.idx.query(function(query) {
       query.term(terms, {
-        boost: 100,
+        boost: 100
       });
       query.term(terms, {
         boost: 10,
-        wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING,
+        wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING
       });
       query.term(terms, {
         editDistance: 2
@@ -43,8 +44,8 @@
 
     searchHits.slice(0, 10).forEach(function(hit) {
       const page = window.bookSearch.pages[hit.ref];
-      const li = dummy.querySelector("li").cloneNode(true),
-            a = li.querySelector("a");
+      const li = document.createElement("li"),
+            a = li.appendChild(document.createElement("a"));
 
       a.href = page.href;
       a.textContent = page.title;
diff --git a/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.content b/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.content
index ed4cac1..93b9de9 100644
--- a/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.content
+++ b/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.content
@@ -1,6 +1,5 @@
-(function(){const input=document.querySelector("#book-search-input");const results=document.querySelector("#book-search-results");const dummy=document.querySelector("#book-search-dummy");input.addEventListener("focus",init);input.addEventListener("keyup",search);function init(){loadScript("/example/lunr.min.js")
-loadScript("/example/search-data.min.34183091f91a205581bbdcc247f638b72d22f51e34ab573b24519f95c4a92895.js",function(){input.readOnly=false;search();});input.removeEventListener("focus",init);}
+(function(){const input=document.querySelector("#book-search-input");const results=document.querySelector("#book-search-results");input.addEventListener("focus",init);input.addEventListener("keyup",search);function init(){input.removeEventListener("focus",init);input.required=true;loadScript("/example/lunr.min.js");loadScript("/example/search-data.min.34183091f91a205581bbdcc247f638b72d22f51e34ab573b24519f95c4a92895.js",function(){input.readOnly=false;input.required=false;search();});}
 function search(){while(results.firstChild){results.removeChild(results.firstChild);}
-if(!input.value||!window.bookSearch){return}
-const terms=lunr.tokenizer(input.value);const searchHits=window.bookSearch.idx.query(function(query){query.term(terms,{boost:100,});query.term(terms,{boost:10,wildcard:lunr.Query.wildcard.LEADING|lunr.Query.wildcard.TRAILING,});query.term(terms,{editDistance:2});});searchHits.slice(0,10).forEach(function(hit){const page=window.bookSearch.pages[hit.ref];const li=dummy.querySelector("li").cloneNode(true),a=li.querySelector("a");a.href=page.href;a.textContent=page.title;results.appendChild(li);});}
+if(!input.value){return;}
+const terms=lunr.tokenizer(input.value);const searchHits=window.bookSearch.idx.query(function(query){query.term(terms,{boost:100});query.term(terms,{boost:10,wildcard:lunr.Query.wildcard.LEADING|lunr.Query.wildcard.TRAILING});query.term(terms,{editDistance:2});});searchHits.slice(0,10).forEach(function(hit){const page=window.bookSearch.pages[hit.ref];const li=document.createElement("li"),a=li.appendChild(document.createElement("a"));a.href=page.href;a.textContent=page.title;results.appendChild(li);});}
 function loadScript(src,callback){const script=document.createElement("script");script.defer=true;script.src=src;script.onload=callback;document.head.append(script);}})();
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.json b/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.json
index 49b83ed..28c24e1 100644
--- a/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.json
+++ b/exampleSite/resources/_gen/assets/js/search.js_db9e329433ffca0798ed12c88043b3b3.json
@@ -1 +1 @@
-{"Target":"search.min.be0d747115d15ef35d8cd20b07815450b1c3d2b84c58ba4a9f35dfff3f786384.js","MediaType":"application/javascript","Data":{"Integrity":"sha256-vg10cRXRXvNdjNILB4FUULHD0rhMWLpKnzXf/z94Y4Q="}}
\ No newline at end of file
+{"Target":"search.min.ea6096df2339354acbfe0aec0b99caded625821549e54c3b140a20f57db99984.js","MediaType":"application/javascript","Data":{"Integrity":"sha256-6mCW3yM5NUrL/grsC5nK3tYlghVJ5Uw7FAog9X25mYQ="}}
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content b/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content
index ce45ba6..b66fc24 100644
--- a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content
+++ b/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content
@@ -1 +1 @@
-/*!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 .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:1 1 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}.hidden{display:none}.markdown{line-height:1.6}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5{font-weight:400;line-height:1;margin-top:1.5em;margin-bottom:1rem}.markdown>:first-child{margin-top:0}.markdown b,.markdown optgroup,.markdown strong{font-weight:bolder}.markdown a{text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown img{max-width:100%}.markdown code{padding:0 .25rem;background:#e9ecef;border-radius:.15rem;font-size:.875em}.markdown pre{padding:1rem;background:#f8f9fa;border-radius:.15rem;overflow-x:auto}.markdown pre code{padding:0;background:0 0}.markdown blockquote{margin:1rem 0;padding:.25rem .75rem;border-left:.25rem solid #e9ecef;border-radius:.15rem}.markdown blockquote :first-child{margin-top:0}.markdown blockquote :last-child{margin-bottom:0}.markdown table{border-spacing:0;border-collapse:collapse;margin-top:1rem;margin-bottom:1rem}.markdown table tr th,.markdown table tr td{padding:.5rem 1rem;line-height:1;border:1px solid #e9ecef}.markdown table tr:nth-child(2n){background:#f8f9fa}.markdown hr{height:1px;border:none;background:#e9ecef}.markdown ul,.markdown ol{padding-left:2rem}.markdown dl dt{font-weight:bolder;margin-top:1rem}.markdown dl dd{margin-left:2rem}.markdown-inner>:first-child{margin-top:0}.markdown-inner>:last-child{margin-bottom:0}.book-expand{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden}.book-expand .book-expand-head{background:#f8f9fa;padding:.5rem 1rem;cursor:pointer}.book-expand .book-expand-content{display:none;padding:1rem}.book-expand input[type=checkbox]:checked+.book-expand-content{display:block}.book-tabs{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden;display:flex;flex-wrap:wrap}.book-tabs label{display:inline-block;padding:.5rem 1rem;border-bottom:1px transparent;cursor:pointer}.book-tabs .book-tabs-content{order:999;width:100%;border-top:1px solid #f8f9fa;padding:1rem;display:none}.book-tabs input[type=radio]:checked+label{border-bottom:1px solid #004ed0}.book-tabs input[type=radio]:checked+label+.book-tabs-content{display:block}.book-columns{margin-left:-1rem;margin-right:-1rem}.book-columns>div{margin:1rem 0;min-width:13.2rem;padding:0 1rem}a.book-btn{display:inline-block;color:#004ed0!important;text-decoration:none!important;border:1px solid #004ed0;border-radius:.15rem;padding:.25rem 1rem;margin-top:.5rem;margin-bottom:.5rem;cursor:pointer}html{font-size:16px;letter-spacing:.33px;scroll-behavior:smooth}html,body{min-width:20rem;overflow-x:hidden}body{color:#343a40;background:#fff;font-family:sans-serif;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:#004ed0}a:visited{color:#8440f1}img{vertical-align:baseline}aside nav ul{padding:0;margin:0;list-style:none}aside nav ul li{margin:1em 0}aside nav ul a{display:block}aside nav ul a:hover{opacity:.5}aside nav ul ul{padding-left:1rem}ul.pagination{display:flex;justify-content:center}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-brand{margin-top:0}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu nav{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a{color:#343a40}.book-menu a.active{color:#004ed0}.book-section-flat{margin-bottom:2rem}.book-section-flat:not(:first-child){margin-top:2rem}.book-section-flat>a,.book-section-flat>span{font-weight:bolder}.book-section-flat>ul{padding-left:0}.book-page{min-width:20rem;flex-grow:1;padding:1rem}.book-header{margin-bottom:1rem;display:none}.book-search #book-search-input{border:0;border-bottom:1px solid #343a40;outline:none;padding:.25rem .25rem .25rem 1.25rem;width:100%;background:url(svg/search.svg) 0 no-repeat;background-size:1rem;opacity:.33}.book-search #book-search-input:focus{opacity:1}.book-search #book-search-results li:last-child{margin-bottom:2rem}.book-toc{flex:0 0 16rem;font-size:.75rem}.book-toc nav{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-toc.level-1 ul ul,.book-toc.level-2 ul ul ul,.book-toc.level-3 ul ul ul ul,.book-toc.level-4 ul ul ul ul ul,.book-toc.level-5 ul ul ul ul ul ul,.book-toc.level-6 ul ul ul ul ul ul ul{display:none}.book-footer{display:flex;padding-top:1rem;font-size:.875rem}.book-footer img{height:1em}.book-posts{min-width:20rem;max-width:40rem;flex-grow:1;padding:1rem}.book-posts article{padding-bottom:1rem}.book-home{padding:1rem}aside nav,.book-page,.book-posts,.markdown{transition:.2s ease-in-out;transition-property:transform,margin-left,opacity;will-change:transform,margin-left}@media screen and (max-width:57rem){.book-toc{display:none}}@media screen and (max-width:36rem){.book-menu{margin-left:-16rem;font-size:16px}.book-header{display:flex}#menu-control:checked+main .book-menu nav,#menu-control:checked+main .book-page,#menu-control:checked+main .book-posts{transform:translateX(16rem)}#menu-control:checked+main .book-header label{transform:rotate(90deg)}#menu-control:checked+main .markdown{opacity:.25}}@media screen and (min-width:80rem){.book-page,.book-posts,.book-menu nav,.book-toc nav{padding:2rem 1rem}}@font-face{font-family:roboto;font-style:italic;font-weight:300;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;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;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;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}
\ No newline at end of file
+/*!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 .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:1 1 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}.hidden{display:none}.markdown{line-height:1.6}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5{font-weight:400;line-height:1;margin-top:1.5em;margin-bottom:1rem}.markdown>:first-child{margin-top:0}.markdown b,.markdown optgroup,.markdown strong{font-weight:bolder}.markdown a{text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown img{max-width:100%}.markdown code{padding:0 .25rem;background:#e9ecef;border-radius:.15rem;font-size:.875em}.markdown pre{padding:1rem;background:#f8f9fa;border-radius:.15rem;overflow-x:auto}.markdown pre code{padding:0;background:0 0}.markdown blockquote{margin:1rem 0;padding:.25rem .75rem;border-left:.25rem solid #e9ecef;border-radius:.15rem}.markdown blockquote :first-child{margin-top:0}.markdown blockquote :last-child{margin-bottom:0}.markdown table{border-spacing:0;border-collapse:collapse;margin-top:1rem;margin-bottom:1rem}.markdown table tr th,.markdown table tr td{padding:.5rem 1rem;line-height:1;border:1px solid #e9ecef}.markdown table tr:nth-child(2n){background:#f8f9fa}.markdown hr{height:1px;border:none;background:#e9ecef}.markdown ul,.markdown ol{padding-left:2rem}.markdown dl dt{font-weight:bolder;margin-top:1rem}.markdown dl dd{margin-left:2rem}.markdown-inner>:first-child{margin-top:0}.markdown-inner>:last-child{margin-bottom:0}.book-expand{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden}.book-expand .book-expand-head{background:#f8f9fa;padding:.5rem 1rem;cursor:pointer}.book-expand .book-expand-content{display:none;padding:1rem}.book-expand input[type=checkbox]:checked+.book-expand-content{display:block}.book-tabs{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden;display:flex;flex-wrap:wrap}.book-tabs label{display:inline-block;padding:.5rem 1rem;border-bottom:1px transparent;cursor:pointer}.book-tabs .book-tabs-content{order:999;width:100%;border-top:1px solid #f8f9fa;padding:1rem;display:none}.book-tabs input[type=radio]:checked+label{border-bottom:1px solid #004ed0}.book-tabs input[type=radio]:checked+label+.book-tabs-content{display:block}.book-columns{margin-left:-1rem;margin-right:-1rem}.book-columns>div{margin:1rem 0;min-width:13.2rem;padding:0 1rem}a.book-btn{display:inline-block;color:#004ed0!important;text-decoration:none!important;border:1px solid #004ed0;border-radius:.15rem;padding:.25rem 1rem;margin-top:.5rem;margin-bottom:.5rem;cursor:pointer}html{font-size:16px;letter-spacing:.33px;scroll-behavior:smooth}html,body{min-width:20rem;overflow-x:hidden}body{color:#343a40;background:#fff;font-family:sans-serif;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:#004ed0}a:visited{color:#8440f1}img{vertical-align:baseline}aside nav ul{padding:0;margin:0;list-style:none}aside nav ul li{margin:1em 0}aside nav ul a{display:block}aside nav ul a:hover{opacity:.5}aside nav ul ul{padding-left:1rem}ul.pagination{display:flex;justify-content:center}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-brand{margin-top:0}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu nav{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a{color:#343a40}.book-menu a.active{color:#004ed0}.book-section-flat{margin-bottom:2rem}.book-section-flat:not(:first-child){margin-top:2rem}.book-section-flat>a,.book-section-flat>span{font-weight:bolder}.book-section-flat>ul{padding-left:0}.book-page{min-width:20rem;flex-grow:1;padding:1rem}.book-header{margin-bottom:1rem;display:none}.book-search{position:relative;margin:1rem 0}.book-search input{border:0;border-bottom:1px solid #343a40;outline:none;padding:.25rem 1.25rem;width:100%;background:url(svg/search.svg) 0 no-repeat;background-size:1rem;opacity:.33}.book-search input:focus{opacity:1}.book-search input:required+.book-search-spinner{display:block}.book-search .book-search-spinner{position:absolute;right:0;top:.25rem;width:1rem;height:1rem;border:1px solid transparent;border-top-color:#343a40;border-radius:50%;animation:spin 1s ease infinite}@keyframes spin{100%{transform:rotate(360deg)}}.book-search li:last-child{margin-bottom:2rem}.book-toc{flex:0 0 16rem;font-size:.75rem}.book-toc nav{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-toc.level-1 ul ul,.book-toc.level-2 ul ul ul,.book-toc.level-3 ul ul ul ul,.book-toc.level-4 ul ul ul ul ul,.book-toc.level-5 ul ul ul ul ul ul,.book-toc.level-6 ul ul ul ul ul ul ul{display:none}.book-footer{display:flex;padding-top:1rem;font-size:.875rem}.book-footer img{height:1em}.book-posts{min-width:20rem;max-width:40rem;flex-grow:1;padding:1rem}.book-posts article{padding-bottom:1rem}.book-home{padding:1rem}aside nav,.book-page,.book-posts,.markdown{transition:.2s ease-in-out;transition-property:transform,margin-left,opacity;will-change:transform,margin-left}@media screen and (max-width:57rem){.book-toc{display:none}}@media screen and (max-width:36rem){.book-menu{margin-left:-16rem;font-size:16px}.book-header{display:flex}#menu-control:checked+main .book-menu nav,#menu-control:checked+main .book-page,#menu-control:checked+main .book-posts{transform:translateX(16rem)}#menu-control:checked+main .book-header label{transform:rotate(90deg)}#menu-control:checked+main .markdown{opacity:.25}}@media screen and (min-width:80rem){.book-page,.book-posts,.book-menu nav,.book-toc nav{padding:2rem 1rem}}@font-face{font-family:roboto;font-style:italic;font-weight:300;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;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;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;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}
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json b/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json
index 3e31e4b..cfeb068 100644
--- a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json
+++ b/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json
@@ -1 +1 @@
-{"Target":"book.min.466789b48a1b0e04075f086ad9e175ac3c489b1c9f7848181949c5c634222648.css","MediaType":"text/css","Data":{"Integrity":"sha256-RmeJtIobDgQHXwhq2eF1rDxImxyfeEgYGUnFxjQiJkg="}}
\ No newline at end of file
+{"Target":"book.min.0df04f6bec79ae69bc31fcae7e701cf43ad4f0eb54e8d339649bc0c3bc4801ca.css","MediaType":"text/css","Data":{"Integrity":"sha256-DfBPa+x5rmm8MfyufnAc9DrU8OtU6NM5ZJvAw7xIAco="}}
\ No newline at end of file
diff --git a/layouts/partials/docs/search.html b/layouts/partials/docs/search.html
index d1aeb58..b15ca6d 100644
--- a/layouts/partials/docs/search.html
+++ b/layouts/partials/docs/search.html
@@ -1,9 +1,7 @@
 {{ if default true .Site.Params.BookSearch }}
 <div class="book-search">
-  <ul id="book-search-dummy" class="hidden">
-    <li><a href></a></li><!-- used to clone search result -->
-  </ul>
   <input type="text" placeholder="Search" id="book-search-input" maxlength="64" readonly />
+  <div class="book-search-spinner spinner hidden"></div>
   <ul id="book-search-results"></ul>
 </div>
 {{ end }}