Remove passive event listener check

MauricioFauth · MauricioFauth · commit fd1839246b3c · 2022-03-20T20:06:50.000-03:00
Signed-off-by: Maurício Meneghini Fauth &lt;mauricio@fauth.dev&gt;
diff --git a/js/src/config.js b/js/src/config.js
@@ -2,8 +2,6 @@
  * Functions used in configuration forms and on user preferences pages
  */
 
-/* exported PASSIVE_EVENT_LISTENERS */
-
 var configInlineParams;
 var configScriptLoaded;
 
@@ -841,23 +839,3 @@ function offerPrefsAutoimport () {
     });
     $cnt.show();
 }
-
-/**
- * @type {boolean} Support for passive event listener option
- */
-var PASSIVE_EVENT_LISTENERS = (function () {
-    var passive = false;
-    try {
-        var options = Object.defineProperty({}, 'passive', {
-            get: function () {
-                return (passive = true);
-            },
-        });
-
-        window.addEventListener('_', null, options);
-        window.removeEventListener('_', null, options);
-    } catch (error) {
-        // passive not supported
-    }
-    return passive;
-}());
diff --git a/js/src/table/gis_visualization.js b/js/src/table/gis_visualization.js
@@ -6,7 +6,7 @@
  * @requires    vendor/jquery/jquery.mousewheel.js
  */
 
-/* global drawOpenLayers PASSIVE_EVENT_LISTENERS */ // templates/table/gis_visualization/gis_visualization.twig
+/* global drawOpenLayers */ // templates/table/gis_visualization/gis_visualization.twig
 
 // Constants
 var zoomFactor = 1.5;
@@ -195,11 +195,7 @@ AJAX.registerTeardown('table/gis_visualization.js', function () {
     $(document).off('click', '#up_arrow');
     $(document).off('click', '#down_arrow');
     $('.vector').off('mousemove').off('mouseout');
-    $('#placeholder').get(0).removeEventListener(
-        'wheel',
-        onGisMouseWheel,
-        PASSIVE_EVENT_LISTENERS ? { passive: false } : undefined
-    );
+    $('#placeholder').get(0).removeEventListener('wheel', onGisMouseWheel, { passive: false });
     if (map) {
         // Removes ol.Map's resize listener from window
         map.setTarget(null);
@@ -230,11 +226,7 @@ AJAX.registerOnload('table/gis_visualization.js', function () {
         }
     });
 
-    $('#placeholder').get(0).addEventListener(
-        'wheel',
-        onGisMouseWheel,
-        PASSIVE_EVENT_LISTENERS ? { passive: false } : undefined
-    );
+    $('#placeholder').get(0).addEventListener('wheel', onGisMouseWheel, { passive: false });
 
     var dragX = 0;
     var dragY = 0;
