feat: support multiple languages ​​for rss.xml

src/components/astro/header.astro

@@ -10,14 +10,19 @@ const config = lang === "zh" ? zh : en
 ---
 
 <header class="flex h-24 w-full items-center justify-between">
-  <a href="/" aria-label={`${config.siteName} - 首页`}>
+  <a href="/" aria-label={`${config.siteName}`}>
     <div class="text-2xl font-semibold">{config.siteName}</div>
   </a>
 
   <div class="flex items-center gap-6">
     {
       config.rss && (
-        <a href="/atom.xml" target="_blank" aria-label="RSS" title="RSS">
+        <a
+          href={"/" + lang + "/rss.xml"}
+          target="_blank"
+          aria-label="RSS"
+          title="RSS"
+        >
           <Rss />
         </a>
       )

src/pages/[lang]/rss.xml.ts

@@ -0,0 +1,34 @@
+import rss from "@astrojs/rss"
+import { en, zh } from "~/config"
+import { getPostsByLocale } from "~/utils"
+import { getLanguagePaths } from "~/utils/langs"
+
+export function getStaticPaths() {
+  return getLanguagePaths()
+}
+
+export async function GET(request: { url: URL }) {
+  const isEn = request.url.pathname.includes("en")
+
+  const lang = isEn ? "en" : "zh"
+  const config = isEn ? en : zh
+
+  const posts = await getPostsByLocale(lang)
+
+  return rss({
+    title: config.meta.title,
+    description: config.meta.description,
+    site:
+      process.env.NODE_ENV === "development"
+        ? "http://localhost:4321"
+        : config.meta.url,
+    items: posts.map((post: any) => ({
+      title: post.data.title,
+      description: post.data.description,
+      pubDate: post.data.pubDate,
+      link: `/posts/${post.id}/`,
+      content: post.rendered ? post.rendered.html : post.data.description,
+    })),
+    customData: "",
+  })
+}

src/pages/rss.xml.ts

@@ -1,9 +1,10 @@
 import rss from "@astrojs/rss"
-import { zh as config } from "~/config"
+import { defaultLanguage, en, zh } from "~/config"
 import { getPostsByLocale } from "~/utils"
 
 export async function GET() {
-  const posts = await getPostsByLocale("zh")
+  const posts = await getPostsByLocale(defaultLanguage)
+  const config = defaultLanguage === "en" ? en : zh
 
   return rss({
     title: config.meta.title,