add search disable while waiting for index to arrive.

src/partials/search-scripts.hbs

@@ -0,0 +1,30 @@
+<script src="{{{uiRootPath}}}/js/vendor/lunr.js" defer></script>
+{{#if env.SITE_SEARCH_LANGUAGES}}
+<script src="{{{uiRootPath}}}/js/vendor/lunr-languages.js" defer></script>
+{{/if}}
+<script src="https://cdn.jsdelivr.net/pako/1.0.3/pako.min.js" defer></script>
+<script src="{{{uiRootPath}}}/js/search-ui.js" id="search-ui-script" data-site-root-path="{{{siteRootPath}}}" data-snippet-length="100" data-stylesheet="{{{uiRootPath}}}/css/search.css" defer></script>
+<script>
+window.addEventListener('DOMContentLoaded', function(){
+  try {
+    var script = document.getElementById('search-ui-script');
+    var siteRoot = (script && script.getAttribute('data-site-root-path')) || '';
+    var manifestUrl = siteRoot + '/search-index/manifest.json';
+    fetch(manifestUrl)
+      .then(function (r) { return r.ok ? r.json() : Promise.reject(new Error('manifest not found')) })
+      .then(function (manifest) { antoraSearch.bootstrap(lunr, manifest, siteRoot); })
+      .catch(function () {
+        var s = document.createElement('script');
+        s.async = true;
+        s.src = siteRoot + '/search-index.js';
+        document.head.appendChild(s);
+      });
+  } catch (e) {
+    // Fallback to monolithic index if anything goes wrong
+    var s = document.createElement('script');
+    s.async = true;
+    s.src = '{{{siteRootPath}}}/search-index.js';
+    document.head.appendChild(s);
+  }
+});
+</script>

src/static/css/search.css

@@ -0,0 +1,145 @@
+.search-result-dropdown-menu {
+  position: absolute;
+  z-index: 100;
+  display: block;
+  right: 0;
+  left: inherit;
+  top: 100%;
+  border-radius: 4px;
+  margin: 6px 0 0;
+  padding: 0;
+  text-align: left;
+  height: auto;
+  background: transparent;
+  border: none;
+  max-width: 600px;
+  min-width: 500px;
+  box-shadow: 0 1px 0 0 rgb(0 0 0 / 20%), 0 2px 3px 0 rgb(0 0 0 / 10%);
+}
+
+@media screen and (width<= 768px) {
+  .search-result-dropdown-menu {
+    min-width: calc(100vw - 3.75rem);
+  }
+}
+
+.search-result-dataset {
+  position: relative;
+  border: 1px solid #d9d9d9;
+  background: #fff;
+  border-radius: 4px;
+  overflow: auto;
+  padding: 8px;
+  max-height: calc(100vh - 5.25rem);
+  line-height: 1.5;
+}
+
+.search-result-item {
+  display: flex;
+  margin-top: 0.5rem;
+}
+
+.search-result-component-header {
+  color: #1e1e1e;
+  border-bottom: 1px solid #ddd;
+  margin-left: 0.5em;
+  margin-right: 0.5em;
+  padding-top: 0.25em;
+  padding-bottom: 0.25em;
+}
+
+.search-result-document-title {
+  width: 33%;
+  border-right: 1px solid #ddd;
+  color: #02060c;
+  font-weight: 500;
+  font-size: 0.8rem;
+  padding: 0.5rem 0.5rem 0.5rem 0;
+  text-align: right;
+  position: relative;
+  word-wrap: break-word;
+}
+
+.search-result-document-hit {
+  flex: 1;
+  font-size: 0.75rem;
+  color: #63676d;
+}
+
+.search-result-document-hit > a {
+  color: inherit;
+  display: block;
+  padding: 0.55rem 0.25rem 0.55rem 0.75rem;
+}
+
+.search-result-document-hit > a:hover {
+  background-color: rgb(69 142 225 / 5%);
+}
+
+.search-result-document-hit .search-result-highlight {
+  color: #174d8c;
+  background: rgb(143 187 237 / 10%);
+  padding: 0.1em 0.05em;
+  font-weight: 500;
+}
+
+.search-result-document-hit .search-result-section-title {
+  color: #303030;
+  font-weight: 500;
+  font-size: 1.05em;
+  margin-bottom: 0.25em;
+}
+
+.search-result-document-hit .search-result-keywords {
+  margin-top: 0.25em;
+}
+
+.search-result-document-hit .search-result-keywords-field-label {
+  font-weight: bold;
+}
+
+#search-input {
+  padding: 0.25em;
+}
+
+#search-input:disabled {
+  cursor: not-allowed;
+  opacity: 0.6;
+}
+
+.search-result-loading-notice {
+  padding: 0.5rem 0.75rem;
+  font-size: 0.85rem;
+  color: #666;
+  font-style: italic;
+  border-bottom: 1px solid #eee;
+  margin-bottom: 0.25rem;
+}
+
+#search-input:focus {
+  outline: none;
+}
+
+#search-field {
+  display: flex;
+}
+
+#search-field .filter {
+  background: #fff linear-gradient(180deg, #e1e1e1 0, #e1e1e1) no-repeat 0/1px 50%;
+  border: 1px solid #e1e1e1;
+  border-left: none;
+  border-radius: 0 0.1em 0.1em 0;
+  color: #5d5d5d;
+  cursor: pointer;
+  font-size: 0.875em;
+  display: flex;
+  align-items: center;
+  padding: 0 0.5rem;
+  white-space: nowrap;
+  overflow: hidden;
+}
+
+#search-field.has-filter > input {
+  border-right: none;
+  border-radius: 0.1em 0 0 0.1em;
+}