feat(route/chub): support markdown and move thumbnail image to description (#21184)

* Update api url

* remove trailing '

* feat(route/chub): support markdown and move thumbnail image to description

* style: auto format

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

lib/routes/chub/characters.ts

@@ -1,7 +1,16 @@
+import MarkdownIt from 'markdown-it';
+
 import type { Route } from '@/types';
 import ofetch from '@/utils/ofetch';
 import { parseDate } from '@/utils/parse-date';
 
+const md = MarkdownIt({
+    breaks: true,
+    html: true,
+    linkify: true,
+    typographer: true,
+});
+
 export const route: Route = {
     path: '/characters',
     categories: ['new-media'],
@@ -14,6 +23,10 @@ export const route: Route = {
     },
 };
 
+function convertUndefinedToString(value: any): string {
+    return value === undefined ? '' : value.toString();
+}
+
 async function handler() {
     const hostURL = 'https://www.chub.ai/characters';
     const apiURL = 'https://api.chub.ai/search';
@@ -52,13 +65,13 @@ async function handler() {
         link: hostURL,
         item: nodes.map((item) => ({
             title: item.name,
-            description: `${item.tagline}<br><br>${item.description}`,
+            description: `<div><img src="${item.avatar_url}" /></div><div>${item.tagline}</div><div>${md.render(convertUndefinedToString(item.description))}</div>`,
             pubDate: parseDate(item.createdAt),
             updated: parseDate(item.lastActivityAt),
             link: `${hostURL}/${item.fullPath}`,
             author: String(item.fullPath.split('/', 1)),
-            enclosure_url: item.avatar_url,
-            enclosure_type: `image/webp`,
+            enclosure_url: item.max_res_url,
+            enclosure_type: `image/png`,
             category: item.topics,
         })),
     };