Fixed plugin for application link processing

training-front-end/astro.config.mjs

@@ -1,8 +1,8 @@
 import { defineConfig } from 'astro/config';
-import {remarkHeadingId} from 'remark-custom-heading-id';
+import { remarkHeadingId } from 'remark-custom-heading-id';
 import mdx from '@astrojs/mdx';
 import vue from "@astrojs/vue";
-import uswds_links from "./src/plugins/uswds_links";
+import { processLinksPlugin } from "./src/plugins/uswds_links";
 
 import sitemap from "@astrojs/sitemap";
 
@@ -14,6 +14,7 @@ export default defineConfig({
   outDir: '../_site',
   markdown: {
     remarkPlugins: [remarkHeadingId],
-    rehypePlugins: [uswds_links]
-  }
+    rehypePlugins: [processLinksPlugin]
+  },
+  trailingSlash: 'always',
 });

training-front-end/src/plugins/uswds_links.js

@@ -2,26 +2,27 @@
  * The purpose of this is to apply the appropriate class to links
  * it will add uswds usa-link--external for non gsa.gov links
  */
-import selectAll from 'hast-util-select';
+import {selectAll} from 'hast-util-select';
 
-export default () => {
-    return node => selectAll('a', node).forEach(node => {
-      const properties = node.properties
-      properties.className = 'usa-link'
+export function processLinksPlugin() {
+    return function (node) {
+      selectAll('a', node).forEach(node => {
+        const properties = node.properties
+        properties.className = 'usa-link'
 
-      let domain;
-      try { 
-        domain = new URL(properties.href)
-      } catch(e) {
-        // Exceptions will be raised with relative links
-        // these will all be local, so ignore
-        return
-      }
-
-      if (! domain.hostname.endsWith('gsa.gov')) {
-        properties.className += ' usa-link--external'
-      }
-
-    });
-};
+        let domain;
+        try {
+          domain = new URL(properties.href)
+        } catch(e) {
+          // Exceptions will be raised with relative links
+          // these will all be local, so ignore
+          return
+        }
 
+        if (! domain.hostname.endsWith('gsa.gov')) {
+          properties.className += ' usa-link--external'
+        }
+
+      });
+    } 
+}