feat(astro): add sensible default canonical url (#437)

eric-burel · web-flow · commit 1a5ea333744c · 2025-01-27T20:30:31.000Z
diff --git a/packages/astro/src/default/layouts/Layout.astro b/packages/astro/src/default/layouts/Layout.astro
@@ -11,6 +11,7 @@ interface Props {
 }
 const { title, meta } = Astro.props;
 const faviconUrl = readPublicAsset('favicon.svg');
+const canonicalUrl = Astro.site ? new URL(Astro.url.pathname, Astro.site).toString() : null;
 ---
 
 <!doctype html>
@@ -20,6 +21,7 @@ const faviconUrl = readPublicAsset('favicon.svg');
       <title slot="title">{title}</title>
 
       <Fragment slot="links">
+        {canonicalUrl && <link rel="canonical" href={canonicalUrl} />}
         {faviconUrl ? <link rel="icon" type="image/svg+xml" href={faviconUrl} /> : null}
         <link rel="preconnect" href="https://fonts.googleapis.com" />
         <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
