Merge pull request #2379 from Lwiel/RDoc-3785

RDoc-3785 Fix canonical URLs

Author: ppekrol

src/theme/DocItem/Metadata/index.tsx

@@ -28,14 +28,10 @@ export default function MetadataWrapper(props: Props): ReactNode {
 
     // Strip trailing slash from base URL to avoid double slashes
     const baseUrl = (siteConfig.url as string).replace(/\/$/, "");
-    let canonicalUrl = isDocumentationPage
+    const canonicalUrl = isDocumentationPage
         ? `${baseUrl}/${siteConfig.customFields.latestVersion}${metadata.slug}`
         : `${baseUrl}${permalink}`;
 
-    if (!canonicalUrl.endsWith("/")) {
-        canonicalUrl = canonicalUrl.concat("/");
-    }
-
     const isHomepage = metadata.slug === "/";
     const description = metadata.description || frontMatter.description || "";
     const title = metadata.title || "";