added husky, fixed lint error

Author: gallayl

.husky/pre-commit

@@ -0,0 +1 @@
+yarn lint-staged

package.json

@@ -13,7 +13,12 @@
     "preview": "astro preview",
     "lint": "eslint .",
     "lint:fix": "eslint --fix .",
-    "format": "prettier --write ."
+    "format": "prettier --write .",
+    "prepare": "husky"
+  },
+  "lint-staged": {
+    "*.{js,ts,astro}": "eslint --fix",
+    "*": "prettier --write --ignore-unknown"
   },
   "engines": {
     "node": ">=22.0.0"
@@ -33,6 +38,8 @@
     "@types/node": "^25.3.3",
     "eslint": "^10.0.2",
     "eslint-plugin-astro": "^1.6.0",
+    "husky": "^9.1.7",
+    "lint-staged": "^16.3.2",
     "prettier": "^3.8.1",
     "prettier-plugin-astro": "^0.14.1",
     "typescript": "^5.9.3",

src/components/ReadNext.astro

@@ -38,7 +38,9 @@ for (const post of [prevPost, nextPost]) {
       <div class="read-next-inner">
         <h3 class="read-next-heading">Read Next</h3>
         <div class="read-next-feed">
-          {cards.map(post => <PostCard post={post} />)}
+          {cards.map(post => (
+            <PostCard post={post} />
+          ))}
         </div>
       </div>
     </aside>

src/pages/posts/[...slug].astro

@@ -14,16 +14,20 @@ export async function getStaticPaths() {
     const prev = index > 0 ? sorted[index - 1] : null;
     const next = index < sorted.length - 1 ? sorted[index + 1] : null;
     const currentTags = post.data.tags ?? [];
-    const relatedPosts = currentTags.length > 0
-      ? sorted
-          .filter(p => p.id !== post.id && p.data.tags?.some(t => currentTags.includes(t)))
-          .map(p => ({
-            post: p,
-            overlap: p.data.tags!.filter(t => currentTags.includes(t)).length,
-          }))
-          .sort((a, b) => b.overlap - a.overlap || b.post.data.date.valueOf() - a.post.data.date.valueOf())
-          .map(r => r.post)
-      : [];
+    const relatedPosts =
+      currentTags.length > 0
+        ? sorted
+            .filter(p => p.id !== post.id && p.data.tags?.some(t => currentTags.includes(t)))
+            .map(p => ({
+              post: p,
+              overlap: (p.data.tags ?? []).filter(t => currentTags.includes(t)).length,
+            }))
+            .sort(
+              (a, b) =>
+                b.overlap - a.overlap || b.post.data.date.valueOf() - a.post.data.date.valueOf(),
+            )
+            .map(r => r.post)
+        : [];
     const authorData = post.data.author
       .map(authorId => authors.find(a => a.data.id === authorId)?.data)
       .filter(Boolean);