JS-359: Magnifier on preview swipe/drag

Author: anastasiiabuniak

lib/web/magnifier/magnify.js

@@ -26,7 +26,6 @@ define([
             zoomOutDisabled = 'fotorama__zoom-out--disabled',
             videoContainerClass = 'fotorama-video-container',
             hideMagnifier,
-            behaveOnDrag,
             dragFlag,
             endX,
             allowZoomOut = false,
@@ -758,7 +757,7 @@ define([
         /**
          * Hides magnifier on drag and while arrow click.
          */
-        behaveOnDrag = function (e, initPos) {
+        function behaveOnDrag (e, initPos) {
             var pos = [e.pageX, e.pageY],
                 isArrow = $(e.target).data('gallery-role') === 'arrow',
                 isClick = initPos[0] === pos[0] && initPos[1] === pos[1],
@@ -767,7 +766,7 @@ define([
             if (isArrow || (isImg && !isClick)) {
                 hideMagnifier();
             }
-        };
+        }
 
         if (config.magnifierOpts.enabled) {
             $(element).on('pointerdown mousedown MSPointerDown', function (e) {