1. It's not possible in easy way.  Read more here.

2. Use https://github.com/developit/mitt as separated event's lib.

Example code:

Emitter:

methods: {
	TestEmit() {
			this.emitter.emit('foo', { a: 'b' })
		}
	}	

Reciever:

   mounted() {
        this.emitter.on('foo', e => console.log('test ok!', e) 
    },