Update app.js

app.js

@@ -205,7 +205,7 @@ app.get('/cookie', async (req, res) => {
 });
 
 app.get('/welcome', async (req, res) => {
-    const { name, info } = req.query;
+    const { name, info, desc } = req.query;
 
     // Ensure all required query parameters are present
     if (!name || !info) {
@@ -514,7 +514,7 @@ body {
 				</span>
 			</div>
 			<h6>${info}</h6>
-			<h2>Callbacks & Closures</h2>
+			<h2>${desc}</h2>
 			<button class="btn">Continue</button>
 		</div>
 	</div>
@@ -600,6 +600,33 @@ close_btn.addEventListener('click', () => {
     }
 });
 
+async function getYouTubeChannelDetails(channelName) {
+  const browser = await chromium.launch({ headless: true });
+  const page = await browser.newPage();
+  const url = `https://www.youtube.com/@${channelName}/videos`;
+  await page.goto(url);
+  const name = await page.locator('yt-dynamic-text-view-model h1').textContent();
+  const username = await page.locator('yt-content-metadata-view-model-wiz__metadata-text').first().textContent();
+  const subscriberCount = await page.locator('yt-content-metadata-view-model-wiz__metadata-row').nth(1).textContent();
+  const videoCount = await page.locator('yt-content-metadata-view-model-wiz__metadata-row').last().textContent();
+  await browser.close();
+  return { name, username, subscriberCount, videoCount };
+}
+
+app.get('/yt-info-channel', async (req, res) => {
+  const { name } = req.query;
+  if (!name) {
+    return res.status(400).send({ error: 'Channel name parameter is required.' });
+  }
+  try {
+    const channelDetails = await getYouTubeChannelDetails(name);
+    res.json(channelDetails);
+  } catch (error) {
+    console.error(error);
+    res.status(500).send({ error: 'Failed to retrieve channel details.' });
+  }
+});
+
 const PORT = process.env.PORT || 7860;
 
 app.listen(PORT, async () => {