add link validator

Author: HarshCasper

astro.config.mjs

@@ -2,6 +2,7 @@
 import { defineConfig, envField } from 'astro/config';
 import starlight from '@astrojs/starlight';
 import starlightUtils from '@lorenzo_lewis/starlight-utils';
+import starlightLinksValidator from 'starlight-links-validator'
 
 import markdoc from '@astrojs/markdoc';
 
@@ -60,6 +61,9 @@ export default defineConfig({
         alt: 'LocalStack',
       },
       plugins: [
+        starlightLinksValidator({
+          errorOnRelativeLinks: false,
+        }),
         starlightUtils({
           multiSidebar: {
             switcherStyle: 'dropdown',

package-lock.json

@@ -28,6 +28,7 @@
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "sharp": "^0.32.5",
+    "starlight-links-validator": "^0.17.0",
     "tailwind-merge": "^3.2.0",
     "tailwindcss": "^4.1.6"
   },