import { EventEmitter } from 'eventemitter3' ; class Emitter extends EventEmitter { EVENT_CHANGE = 'a1' ; EVENT_FULL_SCREEN = 'a2' ; EVENT_VIEW_CHANGE = 'a3' ; EVENT_KEY_DOWN = 'a4' ; EVENT_FOCUS = 'a5' ; EVENT_BLUR = 'a6' ; EVENT_SCROLL = 'a7' ; EVENT_LANG_CHANGE = 'b1' ; } const globalEmitter = new Emitter ( ) ; export { globalEmitter } ; export default Emitter ;