From a297452050a3098306dd2dbe9b28f67c3a351428 Mon Sep 17 00:00:00 2001
From: Stefan Imhoff <stefan@imhoff.name>
Date: Mon, 27 Feb 2023 18:25:45 +0100
Subject: [PATCH] feat(astro): create Link component

---
 src/components/Backlink.astro       |  5 +++--
 src/components/Link.astro           | 22 ++++++++++++++++++++++
 src/components/MainNavigation.astro |  6 ++++--
 src/components/RSSLink.astro        |  6 +++---
 src/components/SocialLinks.astro    |  9 +++++----
 src/components/Subnavigation.astro  | 10 ++++++----
 src/components/UpLink.astro         |  6 ++++--
 7 files changed, 47 insertions(+), 17 deletions(-)
 create mode 100644 src/components/Link.astro

diff --git a/src/components/Backlink.astro b/src/components/Backlink.astro
index 397f55d..028aca7 100644
--- a/src/components/Backlink.astro
+++ b/src/components/Backlink.astro
@@ -1,5 +1,6 @@
 ---
 import { Sprite } from 'astro-icon';
+import Link from '../components/Link.astro';
 
 export interface Props {
 	backLink?: string;
@@ -10,7 +11,7 @@ const { backLink } = Astro.props;
 
 {
 	backLink && (
-		<a
+		<Link
 			class="col-span-2 col-start-1 h-clickarea w-clickarea items-center justify-center self-center justify-self-center transition-transform duration-500 ease-in-out hover:-translate-x-1 focus:-translate-x-1 print:hidden md:col-span-1"
 			href={backLink}
 		>
@@ -21,6 +22,6 @@ const { backLink } = Astro.props;
 			>
 				<Sprite name="ri:arrow-left-line" class="h-icon w-icon" />
 			</button>
-		</a>
+		</Link>
 	)
 }
diff --git a/src/components/Link.astro b/src/components/Link.astro
new file mode 100644
index 0000000..9ff933e
--- /dev/null
+++ b/src/components/Link.astro
@@ -0,0 +1,22 @@
+---
+import type { HTMLAttributes } from 'astro/types';
+
+type Props = HTMLAttributes<'a'>;
+
+const props = { ...Astro.props };
+const { class: className } = props;
+
+if (typeof props.href !== 'string') props.href = '#';
+
+const isExternal = props.href.startsWith('http');
+---
+
+<a
+	class:list={['link', className, { external: isExternal }]}
+	href={props.href}
+	rel={isExternal ? 'nofollow noopener noreferrer' : null}
+	target={isExternal ? '_blank' : null}
+	{...props}
+>
+	<slot />
+</a>
diff --git a/src/components/MainNavigation.astro b/src/components/MainNavigation.astro
index 1242308..2fa6db9 100644
--- a/src/components/MainNavigation.astro
+++ b/src/components/MainNavigation.astro
@@ -1,4 +1,6 @@
 ---
+import Link from './Link.astro';
+
 import navigation from '../data/navigation.json';
 
 const currentPath = new URL(Astro.request.url).pathname;
@@ -9,14 +11,14 @@ const currentPath = new URL(Astro.request.url).pathname;
 		{
 			navigation.map(({ title, url }) => (
 				<li class="mie-[10px] xs:mie-[15px]">
-					<a
+					<Link
 						class={`text-3 font-light decoration-4 underline-offset-auto hover:underline hover:decoration-shibui-900/20 dark:hover:decoration-shibui-100/20 ${
 							currentPath === url && 'underline !decoration-accent decoration-4'
 						}`}
 						href={url}
 					>
 						{title}
-					</a>
+					</Link>
 				</li>
 			))
 		}
diff --git a/src/components/RSSLink.astro b/src/components/RSSLink.astro
index 34d25e9..73a43c9 100644
--- a/src/components/RSSLink.astro
+++ b/src/components/RSSLink.astro
@@ -1,6 +1,7 @@
 ---
 import { Sprite } from 'astro-icon';
 
+import Link from './Link.astro';
 import Subsubheadline from './Subsubheadline.astro';
 ---
 
@@ -8,13 +9,12 @@ import Subsubheadline from './Subsubheadline.astro';
 	<Subsubheadline>Stay up to date.</Subsubheadline>
 	<p>
 		<Sprite name="ri:rss-fill" class="h-icon w-icon inline" />
-		<a
+		<Link
 			class="font-light decoration-4 underline-offset-auto hover:underline hover:decoration-shibui-900/20 dark:hover:decoration-shibui-100/20"
 			href="/rss.xml"
-			rel="nofollow noopener noreferrer external"
 			target="_blank"
 		>
 			Subscribe via RSS
-		</a>
+		</Link>
 	</p>
 </div>
diff --git a/src/components/SocialLinks.astro b/src/components/SocialLinks.astro
index 5f2568a..320dff0 100644
--- a/src/components/SocialLinks.astro
+++ b/src/components/SocialLinks.astro
@@ -1,22 +1,23 @@
 ---
 import { Sprite } from 'astro-icon';
+
+import Link from './Link.astro';
+
 import data from '../data/social-links.json';
 ---
 
 <div class="flex flex-1 sm:justify-center">
 	{
 		data.map(({ text, url, icon, props = {} }) => (
-			<a
+			<Link
 				aria-label={text}
 				class="flex h-clickarea w-clickarea cursor-pointer items-center justify-center"
 				href={url}
-				rel="nofollow noopener noreferrer external"
-				target="_blank"
 				title={text}
 				{...props}
 			>
 				<Sprite name={icon} class="h-icon-small w-icon-small" />
-			</a>
+			</Link>
 		))
 	}
 </div>
diff --git a/src/components/Subnavigation.astro b/src/components/Subnavigation.astro
index 46211c8..7dca0e4 100644
--- a/src/components/Subnavigation.astro
+++ b/src/components/Subnavigation.astro
@@ -1,6 +1,8 @@
 ---
 import data from '../data/subnavigation.json';
 
+import Link from './Link.astro';
+
 const currentPath = new URL(Astro.request.url).pathname;
 ---
 
@@ -9,14 +11,14 @@ const currentPath = new URL(Astro.request.url).pathname;
 		{
 			data.main.map(({ title, url }) => (
 				<li>
-					<a
+					<Link
 						href={url}
 						class={`font-light decoration-4 underline-offset-auto hover:underline hover:decoration-shibui-900/20 dark:hover:decoration-shibui-100/20 ${
 							currentPath === url && 'underline !decoration-accent decoration-4'
 						}`}
 					>
 						{title}
-					</a>
+					</Link>
 				</li>
 			))
 		}
@@ -25,14 +27,14 @@ const currentPath = new URL(Astro.request.url).pathname;
 		{
 			data.misc.map(({ title, url }) => (
 				<li>
-					<a
+					<Link
 						href={url}
 						class={`font-light decoration-4 underline-offset-auto hover:underline hover:decoration-shibui-900/20 dark:hover:decoration-shibui-100/20 ${
 							currentPath === url && 'underline !decoration-accent decoration-4'
 						}`}
 					>
 						{title}
-					</a>
+					</Link>
 				</li>
 			))
 		}
diff --git a/src/components/UpLink.astro b/src/components/UpLink.astro
index 5e5a4c2..3f29285 100644
--- a/src/components/UpLink.astro
+++ b/src/components/UpLink.astro
@@ -1,9 +1,11 @@
 ---
 import { Sprite } from 'astro-icon';
+
+import Link from './Link.astro';
 ---
 
 <div class="flex flex-1 justify-end">
-	<a
+	<Link
 		id="up-link"
 		class="transition-transform duration-500 ease-in-out hover:-translate-y-1 focus:-translate-y-1"
 		href="#top"
@@ -14,7 +16,7 @@ import { Sprite } from 'astro-icon';
 		>
 			<Sprite name="ri:arrow-up-line" class="h-icon-small w-icon-small" />
 		</button>
-	</a>
+	</Link>
 
 	<script>
 		const button = document.getElementById('up-link');