import Task from "../task/DirectTask" ; import UploadListener from "./UploadListener" ; class SimpleUploadListener implements UploadListener { onReady ( taskQueue ) { } onStart ( taskQueue ) { } onTaskProgress ( task ) { } onTaskGetKey ( task ) { return null ; } onTaskFail ( task ) { } onTaskSuccess ( task ) { } onTaskRetry ( task ) { } onFinish ( taskQueue ) { } } export default SimpleUploadListener ;