move dummy scroll listener to Events.init()

Author: emilykl

src/lib/events.js

@@ -59,6 +59,16 @@ var Events = {
             internalEv.emit(event, data);
         };
 
+        /*
+         * Add a dummy event handler for 'wheel' event for Safari
+         * to enable mouse wheel zoom.
+         * https://github.com/d3/d3/issues/3035
+         * https://github.com/plotly/plotly.js/issues/7452
+         */
+        if(typeof plotObj.addEventListener === 'function') {
+            plotObj.addEventListener("wheel", () => {});
+        }
+
         return plotObj;
     },
 

src/plot_api/plot_api.js

@@ -64,12 +64,6 @@ function _doPlot(gd, data, layout, config) {
     // Events.init is idempotent and bails early if gd has already been init'd
     Events.init(gd);
 
-    // Add dummy event handler for 'wheel' event for Safari
-    // to enable mouse wheel zoom
-    // https://github.com/d3/d3/issues/3035
-    // https://github.com/plotly/plotly.js/issues/7452
-    d3.select(gd).on('wheel', function() {});
-
     if(Lib.isPlainObject(data)) {
         var obj = data;
         data = obj.data;