Fix internal links in RSS

tylermercer · Mar 5, 2025 · 8eca260 · 8eca260
1 parent fb2eb70
commit 8eca260
Show file tree

Hide file tree

Showing 3 changed files with 96 additions and 3 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -37,6 +37,7 @@
     "minimist": "^1.2.8",
     "node-fetch": "^2.0.0",
     "prism-themes": "^1.9.0",
+    "rehype-rewrite": "^4.0.2",
     "rehype-stringify": "^10.0.1",
     "remark": "^15.0.1",
     "remark-footnotes": "^4.0.1",

diff --git a/src/utils/renderMarkdown.ts b/src/utils/renderMarkdown.ts
@@ -1,15 +1,23 @@
 
-import { remark } from 'remark';
-import remarkRehype from 'remark-rehype';
-import rehypeStringify from 'rehype-stringify';
 import remarkEmdash from 'lib/plugins/remark/emdash';
+import rehypeRewrite from 'rehype-rewrite';
+import rehypeStringify from 'rehype-stringify';
+import { remark } from 'remark';
 import remarkGfm from 'remark-gfm';
+import remarkRehype from 'remark-rehype';
 
 
 const md = remark()
     .use(remarkGfm)
     .use(remarkEmdash as any)
     .use(remarkRehype)
+    .use(rehypeRewrite, {
+      rewrite: (node) => {
+        if(node.type == 'element' && node.tagName == 'a' && node.properties.href!.toString().startsWith('/')) {
+          node.properties.href = `https://tylermercer.net${node.properties.href}`;
+        }
+      }
+    })
     .use(rehypeStringify);
 
 export default async function renderMarkdown(markdown: string): Promise<string> {