#80, Migrate to flexsearch

assets/search-data.js

@@ -3,22 +3,28 @@
     {{ range $index, $page := .Site.Pages }}
       {{- if $index -}},{{- end }}
       {
-        "idx": {{ $index }},
-        "href": "{{ $page.RelPermalink }}",
-        "title": {{ (partial "docs/title" $page) | jsonify }},
-        "content": {{ $page.Plain | jsonify }}
+        'idx': {{ $index }},
+        'href': '{{ $page.RelPermalink }}',
+        'title': {{ (partial "docs/title" $page) | jsonify }},
+        'content': {{ $page.Plain | jsonify }}
       }
     {{- end -}}
   ];
 
+  var index = new FlexSearch({
+    cache: true,
+    encode: 'balance',
+    /* tokenize: function(str) {
+      return str.replace(/[\x00-\x7F]/g, ' ').split('');
+    } */
+  });
+
+  pages.forEach(function(page, x) {
+    index.add(x, pages[x].content);
+  })
+
   window.bookSearch = {
     pages: pages,
-    idx: lunr(function() { 
-      this.ref("idx");
-      this.field("title");
-      this.field("content");
-
-      pages.forEach(this.add, this);
-    }),
+    index: index,
   }
 })();