i am getting an error while trying to open the editor,

web.assets_frontend_lazy.min.js:3433 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')

destroy: function() {

            var self = this;

            this.__edispatcherRegisteredEvents.forEach((event)=>{

^ thats the error part. 

My js code structure , 

import publicWidget from "@web/legacy/js/public/public_widget"

publicWidget.registry.DynamicProdImage = publicWidget.Widget.extend

init, start, destroy

export default publicWidget.registry.DynamicProdImage