fix(trustlab): ensure generateURL always returns an absolute URL

Extracts generateURL into a named function with correct destructured
signature ({ doc }), strips the leading slash from pathname to pair with
site.url's trailing slash, and falls back to slug when pathname is absent.

Author: kilemensi

apps/trustlab/src/payload/plugins/index.js

@@ -16,6 +16,15 @@ const s3MaxAttempts = Number(process.env.S3_MAX_ATTEMPTS) || 3;
 const s3MaxSockets = Number(process.env.S3_MAX_SOCKETS) || 1000;
 const s3ConnectionTimeout = Number(process.env.S3_CONNECTION_TIMEOUT) || 5000;
 
+function generateURL({ doc }) {
+  if (!(doc?.pathname || doc?.slug)) {
+    return "";
+  }
+  // site.url always has a trailing /
+  const pathname = (doc.pathname || `${doc.slug}`).replace(/^\//, "");
+  return `${site.url}${pathname}`;
+}
+
 const plugins = [
   nestedDocsPlugin({
     collections: ["pages", "posts"],
@@ -80,8 +89,7 @@ const plugins = [
     },
     // Organisations don't have title, just name
     generateTitle: ({ doc }) => doc?.title ?? doc?.name ?? "",
-    generateURL: ({ doc }) =>
-      doc?.pathname ?? (doc?.slug ? `${site.url}${doc.slug}` : ""),
+    generateURL,
     uploadsCollection: "media",
   }),
 ];