add dig helper to simplify lookup of component order on 404 page

asciidoctor · Oct 5, 2023 · f6e4429 · f6e4429
1 parent c2bc811
commit f6e4429
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/src/helpers/dig.js b/src/helpers/dig.js
@@ -0,0 +1,10 @@
+'use strict'
+
+module.exports = (object, path) => {
+  const paths = path.split('.')
+  let result = object
+  for (let i = 0, len = paths.length; i < len; i++) {
+    if (!(result = result[paths[i]])) break
+  }
+  return result
+}
diff --git a/src/layouts/404.hbs b/src/layouts/404.hbs
@@ -5,7 +5,7 @@
   </head>
   <body class="status-404">
 {{> header}}
-{{> body componentOrder=(lookup (lookup (lookup (siteStartPage) 'asciidoc') 'attributes') 'page-component-order')}}
+{{> body componentOrder=(dig (siteStartPage) 'asciidoc.attributes.page-component-order')}}
 {{> footer}}
   </body>
 </html>