feat: add support for semantic search using operand

assets/js/semantic-search.js

@@ -0,0 +1,35 @@
+const apiKey = "{{$.Site.Data.config.operandApiKey}}"
+
+async function searchContents(query) {
+  const response = await fetch('https://prod.operand.ai/v3/search/objects', {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: apiKey,
+    },
+    body: JSON.stringify({
+      query,
+      max: 10
+    }),
+  });
+  return (await response.json());
+}
+
+function debounce(func, timeout = 300) {
+  let timer;
+  return (...args) => {
+    clearTimeout(timer)
+    timer = setTimeout(() => { func.apply(this, args); }, timeout)
+  };
+}
+
+registerHandlers(debounce((e) => {
+  term = e.target.value
+  searchContents(term)
+    .then((res) => res.results.map(entry => ({
+      url: entry.object.metadata.url,
+      content: entry.snippet,
+      title: entry.object.title
+    })))
+    .then(results => displayResults(results))
+}))