🚀 SiteMap with robots.txt file (#34)

* 🚀 NextJs Update, Image Enhancements & Lighthouse 100

* Fixes of Title in Slug Page, Removed Comments. Added ALT text correctly for Chakra post.

* Updatex next to 11.1.0 added blur property for autho URL

* Added `plaiceholder` package to dynamically add blur64 to next/image (For Post covers).

* Added Github URL to Website footer.
Added Lets Discuss on twitter URL in posts.
Fixed GMAIL toasts on Posts Homepage

* Removed Client only rendering of footer, and handled access to window.navigator in UseEffect.

Now the footer renders without javascript for better SEO.

* Added gradient color to Blog Posts homepage text 'Posts'

* Lighouse corrections, 100% on Desktop

* Superlinter definition not found fixed

* Version updated to 1.1.0.
SEO Changes.

* Added SiteMap and robots file

* Added new line at the End of Robots File

package.json

@@ -37,6 +37,7 @@
         "remark": "11.0.2",
         "remark-html": "10.0.0",
         "sharp": "^0.29.0",
+        "sitemap": "^7.0.0",
         "typescript": "^4.3.5"
     },
     "devDependencies": {

pages/api/posts-sitemap.js

@@ -0,0 +1,63 @@
+import { SitemapStream, streamToPromise } from 'sitemap';
+
+/**
+ * REFER : https://linguinecode.com/post/add-robots-txt-file-sitemaps-nextjs
+ * Added SiteMap to robots.txt file as well
+ */
+// eslint-disable-next-line
+export default async (req, res) => {
+    try {
+        const smStream = new SitemapStream({
+            hostname: `https://${req.headers.host}`,
+            cacheTime: 600000
+        });
+
+        // List of posts
+        const posts = [
+            { url: 'minimizing-lodash-bundle-size' },
+            { url: 'simple-introduction-to-chakra' },
+            {
+                url: 'react-hooks-dependencies-and-stale-closures'
+            },
+            { url: 'react-useeffect-flow' },
+            { url: 'react-is-just-javascript' }
+        ];
+
+        smStream.write({
+            url: `https://${req.headers.host}`,
+            changefreq: 'daily',
+            priority: 0.9
+        });
+
+        // Create each URL row
+        posts.forEach((post) => {
+            smStream.write({
+                url: `/blog/${post.url}`,
+                changefreq: 'daily',
+                priority: 0.9
+            });
+        });
+
+        smStream.write({
+            url: `https://${req.headers.host}/blog`,
+            changefreq: 'daily',
+            priority: 0.9
+        });
+
+        // End sitemap stream
+        smStream.end();
+
+        // XML sitemap string
+        const sitemapOutput = (await streamToPromise(smStream)).toString();
+
+        // Change headers
+        res.writeHead(200, {
+            'Content-Type': 'application/xml'
+        });
+
+        // Display output to user
+        res.end(sitemapOutput);
+    } catch (e) {
+        res.send(JSON.stringify(e));
+    }
+};

public/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Sitemap: https://bharathikannan.com/api/posts-sitemap