npm update + fix linked to this update

found an issue with eslint when empty comments were used.

src/editor/embedapi.js

@@ -24,7 +24,7 @@ let cbid = 0;
 function getCallbackSetter (funcName) {
   return function (...args) {
     const that = this, // New callback
-      callbackID = this.send(funcName, args, function () { /* */ }); // The callback (currently it's nothing, but will be set later)
+      callbackID = this.send(funcName, args, function () { /* empty */ }); // The callback (currently it's nothing, but will be set later)
 
     return function (newCallback) {
       that.callbacks[callbackID] = newCallback; // Set callback

src/editor/jgraduate/jQuery.jGraduate.js

@@ -37,8 +37,8 @@ const ns = {
 
 if (!window.console) {
   window.console = {
-    log (str) { /* */ },
-    dir (str) { /* */ }
+    log (str) { /* empty fn */ },
+    dir (str) { /* empty fn */ }
   };
 }