Enhance search.js with Error Handling and Input Validation

src/main/js/api/search.js

@@ -1,10 +1,35 @@
 /**
- * @param {string} searchTerm
+ * Performs a search query using the provided search term.
+ * @param {string} searchTerm - The term to search for.
+ * @returns {Promise<Response>} - A promise resolving to the fetch response.
+ * @throws {Error} - Throws an error if the search URL is missing or invalid.
  */
 function search(searchTerm) {
-  const address = document.getElementById("button-open-command-palette").dataset
-    .searchUrl;
-  return fetch(`${address}?query=${encodeURIComponent(searchTerm)}`);
+  if (typeof searchTerm !== "string" || searchTerm.trim() === "") {
+    throw new Error("Invalid search term. It must be a non-empty string.");
+  }
+
+  const buttonElement = document.getElementById("button-open-command-palette");
+  const address = buttonElement?.dataset?.searchUrl;
+
+  if (!address) {
+    throw new Error("Search URL is missing. Ensure the data-search-url attribute is set.");
+  }
+
+  const queryUrl = `${address}?query=${encodeURIComponent(searchTerm)}`;
+
+  return fetch(queryUrl)
+    .then((response) => {
+      if (!response.ok) {
+        throw new Error(`Search failed with status: ${response.status}`);
+      }
+      return response;
+    })
+    .catch((error) => {
+      console.error("Error performing search:", error);
+      throw error;
+    });
 }
 
-export default { search: search };
+export default { search };
+