import events from './events.js' export default function (instance, eventList) { const ev = eventList || events[this.$options.name] ev && ev.forEach(event => { const hasOn = event.slice(0, 2) === 'on' const eventName = hasOn ? event.slice(2) : event const listener = this.$listeners[eventName] listener && instance.addEventListener(event, listener.fns) }) }