🐛 fix: race condition in search query execution

When a user opens the search modal and starts typing immediately, executeQuery() is triggered. Since buildIndex() is asynchronous, the fuse variable might still be undefined when .search() is called. Added safety checks for fuse initialization.

assets/js/search.js

@@ -151,6 +151,12 @@ function buildIndex() {
 }
 
 function executeQuery(term) {
+  if (!indexed) {
+    buildIndex();
+  }
+  if (!fuse) {
+    return;
+  }
   let results = fuse.search(term);
   let resultsHTML = "";
 
@@ -193,7 +199,7 @@ function executeQuery(term) {
   }
 
   output.innerHTML = resultsHTML;
-  if (results.length > 0) {
+  if (results.length > 0 && output.firstChild) {
     first = output.firstChild.firstElementChild;
     last = output.lastChild.firstElementChild;
   }