add message when there are no results in package search

Fixes #147

Author: classabbyamp

assets/js/voidsearch.js

@@ -116,6 +116,7 @@
 
         table.children().remove();
         if (packages.length == 0) {
+            table.append(noResultsNotice());
             return;
         }
         table.append(
@@ -205,6 +206,17 @@
         );
     }
 
+    function noResultsNotice() {
+        let notice = $("<tr>");
+        return notice.append(
+            $("<td>")
+            .addClass("noresults")
+            .attr("colspan", packageColumns.length)
+            .attr("style", "font-weight:bold; padding-top: 10pt")
+            .text("No results found.")
+        );
+    }
+
     // Start
     init();
 }(jQuery, window, document));