index.js
function eventData(emitter) {
	return emitter[eventEmitter.EVENT_DATA_PROPERTY] || Object.defineProperty(emitter, eventEmitter.EVENT_DATA_PROPERTY, {
		value: {},
		enumerable: false
	})[eventEmitter.EVENT_DATA_PROPERTY];
}
function eventData(emitter) {
	return emitter[eventEmitter.EVENT_DATA_PROPERTY] || Object.defineProperty(emitter, eventEmitter.EVENT_DATA_PROPERTY, {
		value: {},
		enumerable: false
	})[eventEmitter.EVENT_DATA_PROPERTY];
}
function eventData ( emitter ) { return emitter [ eventEmitter . EVENT_DATA_PROPERTY ] || Object . defineProperty ( emitter , eventEmitter . EVENT_DATA_PROPERTY , { value : { } , enumerable : false } ) [ eventEmitter . EVENT_DATA_PROPERTY ] ; }
Get event data from an emitter. Lazily create it if it isn't there.
Get event data from an emitter . Lazily create it if it isn t there .