docs(*): don't hide results for middle-clicks

Middle-clicking opens a link in a new tab; it shouldn't close the results list
as the user may want to open more of those links.

Closes #16233

docs/app/src/search.js

@@ -67,6 +67,12 @@ angular.module('search', [])
     clearResults();
     $scope.q = '';
   };
+
+  $scope.handleResultClicked = function($event) {
+    if ($event.which === 1 && !$event.ctrlKey && !$event.metaKey) {
+      $scope.hideResults();
+    }
+  };
 }])
 
 

docs/config/templates/app/indexPage.template.html

@@ -132,7 +132,7 @@
                 <div ng-repeat="(key, value) in results track by key" class="search-results-group" ng-class="colClassName + ' col-group-' + key" ng-show="value.length > 0">
                   <h4 class="search-results-group-heading">{{ key }}</h4>
                   <ul class="search-results">
-                    <li ng-repeat="item in value" class="search-result"><a ng-click="hideResults()" ng-href="{{ item.path }}">{{ item.name }}</a></li>
+                    <li ng-repeat="item in value" class="search-result"><a ng-click="handleResultClicked($event)" ng-href="{{ item.path }}">{{ item.name }}</a></li>
                   </ul>
                 </div>
               </div>