Enforce root-relative URL syntax and open links in new tabs

.remarkrc.mjs

@@ -4,6 +4,7 @@ import remarkPresetLintRecommended from 'remark-preset-lint-recommended';
 import remarkNoInlineCodeFences from './src/plugins/remark-no-inline-code-fences.mjs';
 import remarkNoHtmlLinks from './src/plugins/remark-no-html-links.mjs';
 import remarkLintNoDeadUrls from 'remark-lint-no-dead-urls';
+import remarkForceRootRelative from './src/plugins/remark-force-root-relative.mjs';
 
 export default {
     plugins: [
@@ -26,5 +27,6 @@ export default {
                 ], // Add known flaky URL patterns here
             },
         ],
+        remarkForceRootRelative,
     ],
 };

astro.config.mjs

@@ -10,6 +10,7 @@ import remarkImageAttributes from './src/plugins/remark-image-attributes';
 import { remarkMdxGlobalImports } from './src/plugins/remark-mdx-global-imports';
 import remarkCodeRegion from './src/plugins/remark-code-region';
 import { unified } from '@astrojs/markdown-remark';
+import rehypeTargetBlank from './src/plugins/rehype-external-links';
 
 export default defineConfig({
     site: 'https://frcsoftware.org',
@@ -25,6 +26,7 @@ export default defineConfig({
                 remarkMdxGlobalImports,
                 remarkCodeRegion,
             ],
+            rehypePlugins: [rehypeTargetBlank],
         }),
     },
 

package.json

@@ -42,6 +42,7 @@
         "@astrojs/check": "^0.9.9",
         "@eslint/js": "^10.0.1",
         "@types/estree": "^1.0.9",
+        "@types/hast": "^3.0.5",
         "@types/mdast": "^4.0.4",
         "@vvago/vale": "^3.16.0",
         "astro-eslint-parser": "^1.4.0",