feat: link nav to home sections

src/pages/Home/index.tsx

@@ -1,5 +1,5 @@
 import { ChevronRight } from "lucide-react";
-import { Link } from "react-router-dom";
+import { Link, useLocation } from "react-router-dom";
 import { useEffect, useRef, useState } from "react";
 import { getJSON, itemsOrEmpty, type Category } from "../../api";
 import { CategoryIcon } from "../../components/CategoryIcon";
@@ -44,10 +44,13 @@ function figmaCategoryRank(category: Category): number {
 
 export function Home() {
   const { t, lang } = useI18n();
+  const { hash } = useLocation();
   const [cats, setCats] = useState<Category[]>([]);
   const [rec, setRec] = useState<PostBackedResource[]>([]);
   const [latest, setLatest] = useState<PostBackedResource[]>([]);
   const [latestPosts, setLatestPosts] = useState<Post[]>([]);
+  const [popular, setPopular] = useState<PostBackedResource[]>([]);
+  const [popularPosts, setPopularPosts] = useState<Post[]>([]);
   const [err, setErr] = useState<string | null>(null);
   const recRowRef = useRef<HTMLDivElement>(null);
   const categoryRowRef = useRef<HTMLDivElement>(null);
@@ -64,8 +67,11 @@ export function Home() {
       getJSON<Category[]>(`/api/categories${catQ}`),
       getJSON<{ items: Post[] }>(`/api/posts/recommended${postQ}&limit=12`),
       getJSON<{ items: Post[] }>(`/api/posts/latest${postQ}&limit=8`),
+      getJSON<{ items: Post[] }>(
+        `/api/posts${postQ}&sort=popular&limit=8`,
+      ).catch((): { items: Post[] } => ({ items: [] })),
     ])
-      .then(([c, r, l]) => {
+      .then(([c, r, l, p]) => {
         setCats(itemsOrEmpty(c));
         setRec(
           itemsOrEmpty(r.items).map((post) =>
@@ -79,6 +85,13 @@ export function Home() {
             postToResource(post, lang, itemsOrEmpty(c)),
           ),
         );
+        const popularItems = itemsOrEmpty<Post>(p.items);
+        setPopularPosts(popularItems);
+        setPopular(
+          popularItems.map((post) =>
+            postToResource(post, lang, itemsOrEmpty(c)),
+          ),
+        );
       })
       .catch((e) => setErr(String(e)));
   }, [lang]);
@@ -152,7 +165,18 @@ export function Home() {
     recRowRef.current?.scrollBy({ left: dir * 280, behavior: "smooth" });
   };
 
+  useEffect(() => {
+    if (!hash) return;
+    const id = hash.slice(1);
+    if (!id) return;
+    const frame = window.requestAnimationFrame(() => {
+      document.getElementById(id)?.scrollIntoView({ block: "start" });
+    });
+    return () => window.cancelAnimationFrame(frame);
+  }, [hash, cats.length, rec.length, latest.length, popular.length]);
+
   const latestPlaceholderCount = Math.max(0, 5 - latest.length);
+  const popularPlaceholderCount = Math.max(0, 5 - popular.length);
   const recommendedDotCount = Math.max(1, Math.min(4, rec.length || 4));
   const activeRecommendedDot = Math.min(
     recommendedDotCount - 1,
@@ -356,7 +380,31 @@ export function Home() {
         </div>
       </section>
 
-      <span id="popular" className="block scroll-mt-24" aria-hidden="true" />
+      <section id="popular" className="scroll-mt-24">
+        <div className="px-4 md:px-0">
+          <SectionHeader
+            title={t("popularSection")}
+            viewAllTo="/browse?sort=popular"
+            viewAllLabel={t("viewAll")}
+          />
+        </div>
+        <div className="flex flex-col gap-3 md:hidden">
+          {popularPosts.slice(0, 4).map((post) => (
+            <MessageBubble key={post.id} post={post} />
+          ))}
+        </div>
+        <div className="mt-7 hidden gap-3 min-[576px]:grid-cols-2 md:grid md:gap-4 lg:grid-cols-3 xl:grid-cols-5">
+          {popular.map((r) => (
+            <LatestUpdateRow key={r.id} r={r} iconKey={iconKeyForResource(r)} />
+          ))}
+          {Array.from({ length: popularPlaceholderCount }).map((_, index) => (
+            <ComingSoonLatestUpdateRow
+              key={`popular-coming-soon-${index}`}
+              index={popular.length + index}
+            />
+          ))}
+        </div>
+      </section>
     </div>
   );
 }