Fix lunr search problem, add ability to search page excerpt

_config.yml

@@ -10,6 +10,7 @@ disqus: 'demowebsite'
 mailchimp-list: 'https://wowthemes.us11.list-manage.com/subscribe/post?u=8aeb20a530e124561927d3bd8&id=8c3d2d214b'
 include: ["_pages"]
 permalink: /:title/
+search_full_content: true
 
 # Authors
 authors:

_includes/search-lunr.html

@@ -1,6 +1,3 @@
-<script src="{{site.baseurl}}/assets/js/lunr.js"></script>
-
-
 <style>
     .lunrsearchresult .title {color: #d9230f;}
     .lunrsearchresult .url {color: silver;}
@@ -17,5 +14,6 @@
 <div id="lunrsearchresults">
     <ul></ul>
 </div>
-
-<script src="{{site.baseurl}}/assets/js/lunrsearchengine.js"></script>
+<script src="{{ '/assets/js/lunr/lunr.min.js' | relative_url }}"></script>
+<script src="{{ '/assets/js/lunr/lunr-store.js' | relative_url }}"></script>
+<script src="{{ '/assets/js/lunr/lunr-en.js' | relative_url }}"></script>

assets/js/lunr/lunr-en.js

@@ -0,0 +1,57 @@
+---
+layout: none
+---
+
+var idx = lunr(function () {
+  this.field('title')
+  this.field('excerpt')
+  this.field('categories')
+  this.field('tags')
+  this.ref('id')
+
+  this.pipeline.remove(lunr.trimmer)
+
+  for (var item in store) {
+    this.add({
+      title: store[item].title,
+      excerpt: store[item].excerpt,
+      categories: store[item].categories,
+      tags: store[item].tags,
+      id: item
+    })
+  }
+});
+
+function lunr_search(term) {
+    $('#lunrsearchresults').show( 400 );
+    $( "body" ).addClass( "modal-open" );
+
+    document.getElementById('lunrsearchresults').innerHTML = '<div id="resultsmodal" class="modal fade show d-block"  tabindex="-1" role="dialog" aria-labelledby="resultsmodal"> <div class="modal-dialog shadow-lg" role="document"> <div class="modal-content"> <div class="modal-header" id="modtit"> <button type="button" class="close" id="btnx" data-dismiss="modal" aria-label="Close"> &times; </button> </div> <div class="modal-body"> <ul class="mb-0"> </ul>    </div> <div class="modal-footer"><button id="btnx" type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button></div></div> </div></div>';
+    if (term) {
+        document.getElementById('modtit').innerHTML = "<h5 class='modal-title'>Search results for '" + term + "'</h5>" + document.getElementById('modtit').innerHTML;
+        //put results on the screen.
+        var results = idx.search(term);
+        if(results.length>0){
+            //console.log(idx.search(term));
+            //if results
+            for (var item in results) {
+                // more statements
+                var ref = results[item].ref;
+                var url = store[ref].url;
+                var title = store[ref]['title'];
+                var body = store[ref]['excerpt'].substring(0,160)+'...';
+                document.querySelectorAll('#lunrsearchresults ul')[0].innerHTML = document.querySelectorAll('#lunrsearchresults ul')[0].innerHTML + "<li class='lunrsearchresult'><a href='" + url + "'><span class='title'>" + title + "</span><br /><small><span class='body'>"+ body +"</span><br /><span class='url'>"+ url +"</span></small></a></li>";
+            }
+        } else {
+            document.querySelectorAll('#lunrsearchresults ul')[0].innerHTML = "<li class='lunrsearchresult'>Sorry, no results found. Close & try a different search!</li>";
+        }
+    }
+    return false;
+}
+
+$(function() {
+    $("#lunrsearchresults").on('click', '#btnx', function () {
+        $('#lunrsearchresults').hide( 5 );
+        $( "body" ).removeClass( "modal-open" );
+    });
+});

assets/js/lunr/lunr-store.js

@@ -0,0 +1,84 @@
+---
+layout: none
+---
+
+var store = [
+  {%- for c in site.collections -%}
+    {%- if forloop.last -%}
+      {%- assign l = true -%}
+    {%- endif -%}
+    {%- assign docs = c.docs | where_exp:'doc','doc.search != false' -%}
+    {%- for doc in docs -%}
+      {%- if doc.header.teaser -%}
+        {%- capture teaser -%}{{ doc.header.teaser }}{%- endcapture -%}
+      {%- else -%}
+        {%- assign teaser = site.teaser -%}
+      {%- endif -%}
+      {
+        "title": {{ doc.title | jsonify }},
+        "excerpt":
+          {%- if site.search_full_content == true -%}
+            {{ doc.content | newline_to_br |
+              replace:"<br />", " " |
+              replace:"</p>", " " |
+              replace:"</h1>", " " |
+              replace:"</h2>", " " |
+              replace:"</h3>", " " |
+              replace:"</h4>", " " |
+              replace:"</h5>", " " |
+              replace:"</h6>", " "|
+            strip_html | strip_newlines | jsonify }},
+          {%- else -%}
+            {{ doc.content | newline_to_br |
+              replace:"<br />", " " |
+              replace:"</p>", " " |
+              replace:"</h1>", " " |
+              replace:"</h2>", " " |
+              replace:"</h3>", " " |
+              replace:"</h4>", " " |
+              replace:"</h5>", " " |
+              replace:"</h6>", " "|
+            strip_html | strip_newlines | truncatewords: 50 | jsonify }},
+          {%- endif -%}
+        "categories": {{ doc.categories | jsonify }},
+        "tags": {{ doc.tags | jsonify }},
+        "url": {{ doc.url | relative_url | jsonify }},
+        "teaser": {{ teaser | relative_url | jsonify }}
+      }{%- unless forloop.last and l -%},{%- endunless -%}
+    {%- endfor -%}
+  {%- endfor -%}{%- if site.lunr.search_within_pages -%},
+  {%- assign pages = site.pages | where_exp: 'doc', 'doc.search != false' | where_exp: 'doc', 'doc.title != null' -%}
+  {%- for doc in pages -%}
+    {%- if forloop.last -%}
+      {%- assign l = true -%}
+    {%- endif -%}
+  {
+    "title": {{ doc.title | jsonify }},
+    "excerpt":
+        {%- if site.search_full_content == true -%}
+          {{ doc.content | newline_to_br |
+            replace:"<br />", " " |
+            replace:"</p>", " " |
+            replace:"</h1>", " " |
+            replace:"</h2>", " " |
+            replace:"</h3>", " " |
+            replace:"</h4>", " " |
+            replace:"</h5>", " " |
+            replace:"</h6>", " "|
+          strip_html | strip_newlines | jsonify }},
+        {%- else -%}
+          {{ doc.content | newline_to_br |
+            replace:"<br />", " " |
+            replace:"</p>", " " |
+            replace:"</h1>", " " |
+            replace:"</h2>", " " |
+            replace:"</h3>", " " |
+            replace:"</h4>", " " |
+            replace:"</h5>", " " |
+            replace:"</h6>", " "|
+          strip_html | strip_newlines | truncatewords: 50 | jsonify }},
+        {%- endif -%}
+      "url": {{ doc.url | absolute_url | jsonify }}
+  }{%- unless forloop.last and l -%},{%- endunless -%}
+  {%- endfor -%}
+{%- endif -%}]