Issue #3253242: JS Dependencies in POST-Mode

js/post_mode.js

-(function ($) {
+(function (Drupal) {
   'use strict';
   Drupal.behaviors.open_readspeaker_post_mode = {
     attach: function (context, settings) {
-      window.rsConf = {general: {usePost: true}};
+      window.rsConf = { general: { usePost: true } };
     }
   };
-})(jQuery);
+})(Drupal);