app structure, url redirects

src/lib/server/data.ts

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+export const RegistryItems = [
+    {
+        id: 1,
+        name: "Item One",
+        url: "https://www.amazon.com/dp/B071VG5N9D?lv=shuf&social_share=cm_sw_r_cp_ud_dp_HNQ1V69T73P68F2Z4WZK&channelId=751&plpRedirect=mhFallback&th=1",
+        event: "wedding"
+    },
+    {
+        id: 2,
+        name: "Another Item",
+        url: "https://www.target.com",
+        event: "wedding"
+    },
+];
+
+export const AllowList = [
+    "https://amazon.com/",
+    "https://www.amazon.com/",
+    "https://a.co/",
+    "https://target.com/",
+    "https://www.target.com/"
+]

src/routes/(public)/[event]/registry/+page.server.ts

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+import { RegistryItems } from '#lib/server/data.ts';
+import type { PageServerLoad } from './$types';
+
+export const load: PageServerLoad = ({ params }) => {
+    const items = RegistryItems
+        .filter((i) => i.event === params.event)
+        .map(({ id, name }) => ({ id, name }));
+    
+    return { event: params.event, items };
+}

src/routes/(public)/[event]/registry/+page.svelte

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+<script lang="ts">
+    import type { PageData } from "./$types";
+
+    let { data }: { data: PageData } = $props();
+</script>
+
+<h1 class="text-3xl font-bold">Registry</h1>
+<h2 class="text-lg">Items</h2>
+
+<ul>
+    {#each data.items as item (item.id)}
+		<li>
+			<a href="/{data.event}/registry/{item.id}" target="_blank" class="underline text-blue-500">{item.name}</a>
+		</li>
+	{/each}
+</ul>

src/routes/(public)/[event]/registry/[item]/+server.ts

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+import { AllowList, RegistryItems } from "#lib/server/data.js";
+import { error, redirect } from "@sveltejs/kit";
+import type { RequestHandler } from './$types';
+
+
+export const GET: RequestHandler = ({ params }) => {
+    const item = RegistryItems.find((i) => String(i.id) === params.item);
+
+    if (!item) {
+        error(404, "Registry Item not found");
+    };
+
+    const protocol = new URL(item.url).protocol;
+    if (protocol !== 'https:' && protocol !== 'http:') {
+        error(404, "Invalid Link");
+    };
+
+    redirect(302, item.url, { external: AllowList });
+};