feat: solution for 'Экзамен: RAG-агент с ChromaDB и веб-поиском'

src/webSearch.js

@@ -1,15 +1,17 @@
 import fetch from "node-fetch";
 
-export async function fetchWebContent(url) {
-  try {
-    const response = await fetch(url);
-    if (!response.ok) {
-      throw new Error(`HTTP error ${response.status}`);
-    }
-    const text = await response.text();
-    return text;
-  } catch (err) {
-    console.error(`Failed to fetch ${url}: ${err.message}`);
-    return "";
+/**
+ * Performs a simple web search using DuckDuckGo's HTML interface.
+ * This is a lightweight example and does not use an official API.
+ * @param {string} query
+ * @returns {Promise<string>} The raw HTML of the search results page.
+ */
+export async function webSearch(query) {
+  const url = `https://duckduckgo.com/html/?q=${encodeURIComponent(query)}`;
+  const response = await fetch(url);
+  if (!response.ok) {
+    throw new Error(`Web search failed with status ${response.status}`);
   }
+  const html = await response.text();
+  return html;
 }