explorer: fix search box (preventDefault + redirect no longer swallowed by try/catch)

src/lib/components/SearchBar.svelte

@@ -1,22 +1,15 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
-	import { isBlockHash, isNumeric, isAddress } from '$lib/utils';
 
 	let query = $state('');
 
-	function handleSearch() {
+	function handleSearch(e: Event) {
+		e.preventDefault();
 		const q = query.trim();
 		if (!q) return;
-
-		if (isNumeric(q)) {
-			goto(`/blocks/${q}`);
-		} else if (isBlockHash(q)) {
-			goto(`/search?q=${q}`);
-		} else if (isAddress(q)) {
-			goto(`/address/${q}`);
-		} else {
-			goto(`/search?q=${q}`);
-		}
+		// Delegate disambiguation (height / block hash / txid / address) to the
+		// /search server loader, which redirects to the correct page.
+		goto(`/search?q=${encodeURIComponent(q)}`);
 		query = '';
 	}
 </script>

src/routes/search/+page.server.ts

@@ -7,32 +7,43 @@ export const load: PageServerLoad = async ({ url }) => {
 	const q = url.searchParams.get('q')?.trim();
 	if (!q) error(400, 'No search query provided');
 
-	// Numeric: treat as block height
+	// Numeric: treat as block height.
+	// NOTE: redirect()/error() throw, so they must live OUTSIDE the try/catch —
+	// otherwise the thrown redirect is swallowed and turned into a 404.
 	if (isNumeric(q)) {
+		let blockhash: string | undefined;
 		try {
-			const { blockhash } = await getBlockHashByHeight(parseInt(q));
-			redirect(302, `/block/${blockhash}`);
+			({ blockhash } = await getBlockHashByHeight(parseInt(q)));
 		} catch {
-			error(404, `Block at height ${q} not found`);
+			blockhash = undefined;
 		}
+		if (!blockhash) error(404, `Block at height ${q} not found`);
+		redirect(302, `/block/${blockhash}`);
 	}
 
-	// 64-char hex: try block hash, then txid
+	// 64-char hex: try block hash, then txid.
 	if (isBlockHash(q)) {
+		let isBlock = false;
 		try {
 			await getBlock(q);
-			redirect(302, `/block/${q}`);
+			isBlock = true;
 		} catch {
-			// Not a block, try as txid
+			isBlock = false;
 		}
+		if (isBlock) redirect(302, `/block/${q}`);
+
+		let isTx = false;
 		try {
 			await getTransaction(q);
-			redirect(302, `/tx/${q}`);
+			isTx = true;
 		} catch {
-			error(404, `No block or transaction found for ${q}`);
+			isTx = false;
 		}
+		if (isTx) redirect(302, `/tx/${q}`);
+
+		error(404, `No block or transaction found for ${q}`);
 	}
 
-	// Otherwise: try as address
+	// Otherwise: treat as an address and go straight to its page.
 	redirect(302, `/address/${q}`);
 };