Merge pull request #344 from kakirastern/add-filter-search-warning

Try and add filter search warning when no results is returned

Author: adrn

tutorials/themes/tutorials-theme/static/searchtools.js

@@ -9,6 +9,9 @@
  *
  */
 
+// Set ajaxSetup to synchronous to make a synchronous $.get call (but could be bad form).
+// See https://stackoverflow.com/a/25489055/9959073 for details.
+jQuery.ajaxSetup({async:false});
 
 /* Non-minified version JS is _stemmer.js if file is provided */ 
 /**
@@ -346,7 +349,7 @@ var Search = {
               if (textstatus != "success") {
                 document.getElementById("searchindexloader").src = url;
               }
-            }});
+            }, async: false});
   },
 
   setIndex : function(index) {
@@ -577,7 +580,7 @@ var Search = {
                     listItem.slideDown(5, function() {
                       displayNextItem();
                     });
-                  }});
+                  }, async: false});
         } else {
           // no source available, just display title
           Search.output.append(listItem);
@@ -854,4 +857,4 @@ var Search = {
 
 $(document).ready(function() {
   Search.init();
-});
+});

tutorials/themes/tutorials-theme/tutorialfilters.html

@@ -8,17 +8,17 @@
       //checking the active filters
       var activeFilters = $.getQueryParameters();
       var filters = document.getElementsByClassName('custom-control-input');
-      for(var f=0; filters[f]; ++f){
-          if(activeFilters.q[0].search(filters[f].value)!=-1)
+      for (var f=0; filters[f]; ++f){
+          if (activeFilters.q[0].search(filters[f].value)!=-1)
               filters[f].checked = true;   
       }
       document.getElementById("search-bar-input").value = '';
   });
 
   //no results found
-  $(window).on("load", function(){
-          if(!document.getElementsByClassName('result-card').length)
-              {document.getElementById('search-results').innerHTML += '<h3>No tutorials found!</h3>'}
+  $(window).on('load', function() {
+          if (!document.getElementsByClassName('result-card').length)
+              {document.getElementById('search-results').innerHTML += '<h3>No tutorials found!</h3>';}
   });  
 
   //update filters
@@ -237,4 +237,4 @@ <h3 style="font-size: 1rem; font-weight: 500; text-decoration: none; padding-top
     </span>
 
   </a>
-  </form>
+  </form>