feat: rss

Author: coderz-w

src/app/feed.xml/route.ts

@@ -0,0 +1,90 @@
+import RSS from 'rss';
+import { compiler } from 'markdown-to-jsx';
+import { renderToString } from 'react-dom/server';
+
+import { siteUrl } from '~/seo';
+import { buildPostData } from '@/core';
+
+const { postDataList } = buildPostData();
+
+export async function GET() {
+  const feed = new RSS({
+    title: 'zhw blog',
+    description: '记录我的生活',
+    site_url: siteUrl.toString(),
+    feed_url: `${siteUrl}/feed.xml`,
+    language: 'zh-CN',
+    image_url: `${siteUrl}/api/og`,
+    generator: 'Next 14',
+  });
+
+  postDataList.forEach((post) => {
+    const render = () => {
+      try {
+        return renderToString(
+          <div>
+            {compiler(post.text, {
+              overrides: {
+                LinkCard: NotSupportRender,
+                Gallery: NotSupportRender,
+                Tabs: NotSupportRender,
+                Tab: NotSupportRender,
+
+                img: ({ src, alt, height, width }) => {
+                  return <img src={src} alt={alt} height={height} width={width} />;
+                },
+              },
+              extendsRules: {
+                codeBlock: {
+                  react(node, output, state) {
+                    return (
+                      <pre
+                        key={state.key}
+                        className={node.lang ? `language-${node.lang} lang-${node.lang}` : ''}
+                      >
+                        <code
+                          className={node.lang ? `language-${node.lang} lang-${node.lang}` : ''}
+                        >
+                          {node.content}
+                        </code>
+                      </pre>
+                    );
+                  },
+                },
+              },
+            })}
+          </div>,
+        );
+      } catch {
+        return renderToString(
+          <p>
+            当前内容无法在 RSS 阅读器中正确渲染，请前往：
+            <a href={`${siteUrl}/notes/${post.title}`}>{`${siteUrl}/notes/${post.title}`}</a>
+          </p>,
+        );
+      }
+    };
+
+    feed.item({
+      title: post.title,
+      guid: post.title,
+      url: `${siteUrl}/notes/${post.title}`,
+      description: render(),
+      date: post.createdAt!,
+      enclosure: {
+        url: post.coverImage,
+        type: 'image/jpeg',
+      },
+    });
+  });
+
+  return new Response(feed.xml(), {
+    headers: {
+      'content-type': 'application/xml',
+    },
+  });
+}
+
+const NotSupportRender = () => {
+  throw new Error('Not support render in RSS');
+};