#242, Add bookSearchExclude frontmatter param

assets/search-data.js

@@ -16,8 +16,11 @@
   const index = FlexSearch.create('balance', indexCfg);
   window.bookSearchIndex = index;
 
-  {{ range $index, $page := where .Site.Pages "Kind" "in" (slice "page" "section") }}
-  {{ if $page.Content }}
+  {{- $pages := where .Site.Pages "Kind" "in" (slice "page" "section") -}}
+  {{- $pages = where $pages "Params.booksearchexclude" "!=" true -}}
+  {{- $pages = where $pages "Content" "not in" (slice nil "") -}}
+
+  {{ range $index, $page := $pages }}
   index.add({
     'id': {{ $index }},
     'href': '{{ $page.RelPermalink }}',
@@ -26,5 +29,4 @@
     'content': {{ $page.Plain | jsonify }}
   });
   {{- end -}}
-  {{- end -}}
 })();