seems to be a biome issue, ignoring.

src/components/GiscusComponent/index.js

@@ -2,6 +2,7 @@ import React from "react";
 import Giscus from "@giscus/react";
 import { useColorMode } from "@docusaurus/theme-common";
 
+/* trunk-ignore(biome/lint/style/noDefaultExport) */
 export default function GiscusComponent() {
   const { colorMode } = useColorMode();
 

src/theme/BlogPostPage/Metadata/index.js

@@ -1,6 +1,7 @@
 import React from "react";
 import { PageMetadata } from "@docusaurus/theme-common";
 import { useBlogPost } from "@docusaurus/theme-common/internal";
+/* trunk-ignore(biome/lint/style/noDefaultExport) */
 export default function BlogPostPageMetadata() {
   const { assets, metadata } = useBlogPost();
   const { title, description, date, tags, authors, frontMatter } = metadata;

src/theme/BlogPostPage/index.js

@@ -46,6 +46,7 @@ function BlogPostPageContent({ sidebar, children }) {
     </BlogLayout>
   );
 }
+/* trunk-ignore(biome/lint/style/noDefaultExport) */
 export default function BlogPostPage(props) {
   const BlogPostContent = props.content;
   return (