[dyad] Created a meta tag extractor app - wrote 5 file(s), added cheerio package(s)

src/app/actions.ts

@@ -0,0 +1,47 @@
+"use server";
+
+import * as cheerio from "cheerio";
+
+export async function extractMetaData(url: string) {
+  if (!url) {
+    return { error: "URL is required." };
+  }
+
+  let formattedUrl = url;
+  if (!/^https?:\/\//i.test(url)) {
+    formattedUrl = `https://${url}`;
+  }
+
+  try {
+    const response = await fetch(formattedUrl, {
+      headers: {
+        "User-Agent":
+          "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
+      },
+    });
+
+    if (!response.ok) {
+      return { error: `Failed to fetch URL. Status: ${response.status}` };
+    }
+
+    const html = await response.text();
+    const $ = cheerio.load(html);
+
+    const title =
+      $('meta[property="og:title"]').attr("content") ||
+      $("title").text() ||
+      "No title found";
+    const description =
+      $('meta[property="og:description"]').attr("content") ||
+      $('meta[name="description"]').attr("content") ||
+      "No description found";
+
+    return { data: { title, description } };
+  } catch (error) {
+    console.error(error);
+    if (error instanceof Error && error.message.includes('Invalid URL')) {
+        return { error: "The provided URL is not valid. Please check and try again." };
+    }
+    return { error: "An unexpected error occurred while fetching the URL." };
+  }
+}