config/filters/feed.js

@@ -1,29 +1,15 @@
-import { JSDOM } from "jsdom";
-
-// From coryd.dev
-// https://www.coryd.dev/posts/2025/generating-absolute-urls-in-my-rss-feeds/
 const convertRelativeLinks = (htmlContent, url) => {
   if (!htmlContent || !url) return htmlContent;
 
-  const dom = new JSDOM(htmlContent);
-  const document = dom.window.document;
+  const baseUrl = url.replace(/\/$/, "");
 
-  document.querySelectorAll("a[href]").forEach((link) => {
-    let href = link.getAttribute("href");
-
-    if (href.startsWith("#")) {
-      link.remove();
-      return;
-    }
-
-    if (!href.startsWith("http://") && !href.startsWith("https://"))
-      link.setAttribute(
-        "href",
-        `${url.replace(/\/$/, "")}/${href.replace(/^\/+/, "")}`,
-      );
-  });
-
-  return document.body.innerHTML;
+  return htmlContent.replace(
+    /(href|src)=(['"])(?![a-z][a-z0-9+.-]*:|\/\/)([^'"]+)\2/gi,
+    (_, attr, quote, relUrl) => {
+      const clean = relUrl.replace(/^\//, "");
+      return `${attr}=${quote}${baseUrl}/${clean}${quote}`;
+    },
+  );
 };
 
 export default {

package.json

@@ -23,7 +23,6 @@
     "dayjs": "^1.11.10",
     "dotenv": "^16.4.5",
     "html-minifier-terser": "^7.2.0",
-    "jsdom": "^26.0.0",
     "markdown-it": "^14.0.0",
     "markdown-it-abbr": "^2.0.0",
     "markdown-it-anchor": "^8.6.7",