make it work with tutorials, dedupe logic

Author: Ocean-OS

packages/site-kit/src/lib/nav/MobileMenu.svelte

@@ -10,6 +10,7 @@
 	import MobileSubMenu from './MobileSubMenu.svelte';
 	import type { NavigationLink } from '../types';
 	import ModalOverlay from '../components/ModalOverlay.svelte';
+	import { github_link } from './Nav.svelte';
 
 	interface Props {
 		links: NavigationLink[];
@@ -150,11 +151,7 @@
 							<li><a href="https://bsky.app/profile/svelte.dev">Bluesky</a></li>
 							<li>
 								<a
-									href="https://github.com/sveltejs/{page.url.pathname.startsWith('/docs/kit')
-										? 'kit'
-										: page.url.pathname.startsWith('/docs/cli')
-											? 'cli'
-											: 'svelte'}">GitHub</a
+									href={github_link(page)}>GitHub</a
 								>
 							</li>
 						</ul>

packages/site-kit/src/lib/nav/Nav.svelte

@@ -2,6 +2,19 @@
 Top navigation bar for the application. It provides a slot for the left side, the right side, and the center.
 -->
 
+<script lang="ts" module>
+	import type { Page } from '@sveltejs/kit';
+	export function github_link(page: Page) {
+		if (page.url.pathname.startsWith('/tutorial')) {
+			return `https://github.com/sveltejs/${page.params.slug.split('/')[0]}`;
+		}
+		if (page.url.pathname.startsWith('/docs')) {
+			return `https://github.com/sveltejs/${page.params.topic}`;
+		}
+		return 'https://github.com/sveltejs/svelte';
+	}
+</script>
+
 <script lang="ts">
 	import { overlay_open, on_this_page_open } from '../stores';
 	import { search } from '../state/search.svelte';
@@ -133,14 +146,7 @@ Top navigation bar for the application. It provides a slot for the left side, th
 					<span data-icon="bluesky"></span>
 				</a>
 
-				<a
-					href="https://github.com/sveltejs/{page.url.pathname.startsWith('/docs/kit')
-						? 'kit'
-						: page.url.pathname.startsWith('/docs/cli')
-							? 'cli'
-							: 'svelte'}"
-					aria-label="GitHub Repo"
-				>
+				<a href={github_link(page)} aria-label="GitHub Repo">
 					<span data-icon="github"></span>
 				</a>
 			</div>