Fix astro check errors

src/components/blog/Tags.astro

@@ -16,14 +16,12 @@ const { tags, class: className = 'text-sm', title = undefined, isCategory = fals
 
 {
   tags && Array.isArray(tags) && (
-    <>
     <>
       {title !== undefined && (
         <span class="align-super font-normal underline underline-offset-4 decoration-2 dark:text-slate-400">
           {title}
         </span>
       )}
-      </>
       <ul class={className}>
         {tags.map((tag) => (
           <li class="bg-gray-100 dark:bg-slate-700 inline-block mr-2 rtl:mr-0 rtl:ml-2 mb-2 py-0.5 px-2 lowercase font-medium">

src/utils/frontmatter.ts

@@ -1,14 +1,16 @@
 import getReadingTime from 'reading-time';
 import { toString } from 'mdast-util-to-string';
 import { visit } from 'unist-util-visit';
-import type { MarkdownAstroData, RehypePlugin, RemarkPlugin } from '@astrojs/markdown-remark';
+import type { RehypePlugin, RemarkPlugin } from '@astrojs/markdown-remark';
 
 export const readingTimeRemarkPlugin: RemarkPlugin = () => {
   return function (tree, file) {
     const textOnPage = toString(tree);
     const readingTime = Math.ceil(getReadingTime(textOnPage).minutes);
 
-    (file.data.astro as MarkdownAstroData).frontmatter.readingTime = readingTime;
+    if (typeof file?.data?.astro?.frontmatter !== "undefined") {
+      file.data.astro.frontmatter.readingTime = readingTime;
+    }
   };
 };