hotfix: rss feed generation skips the description field accidentally

Author: DeepanshKhurana

build/generate-rss.ts

@@ -26,6 +26,7 @@ interface FrontMatter {
     title?: string;
     date?: string;
     collections?: string[];
+    description?: string;
   };
   body: string;
 }
@@ -95,11 +96,19 @@ interface FrontMatter {
 
       const mdPath = path.join(contentDir, `${piece.slug}.md`);
       let content = '';
+      let description = '';
 
       if (fs.existsSync(mdPath)) {
         const mdFile = fs.readFileSync(mdPath, 'utf-8');
         const parsed = fm<FrontMatter['attributes']>(mdFile);
         content = await marked.parse(parsed.body.trim());
+        
+        if (parsed.attributes.description) {
+          description = parsed.attributes.description;
+        } else {
+          const firstLine = parsed.body.trim().split('\n')[0];
+          description = `A piece from ${siteTitle} | ${firstLine}`;
+        }
       }
 
       rssLines.push('  <item>');
@@ -120,6 +129,10 @@ interface FrontMatter {
       rssLines.push(`    <guid isPermaLink="true">${pieceUrl}</guid>`);
       rssLines.push('');
 
+      if (description) {
+        rssLines.push(`    <description><![CDATA[${description}]]></description>`);
+      }
+
       if (content) {
         rssLines.push(`    <content:encoded><![CDATA[${content}]]></content:encoded>`);
       }