import { list, viewFactory } from 'redom';

class A {
  constructor () {
    this.el = el('a');
  }
  update () {
    ...
  }
}
class B {
  constructor () {
    this.el = el('b');
  }
  update () {
    ...
  }
}

const items = list('items', viewFactory({ a: A, b: B }, 'type'), 'id');

items.update([{ id: 1, type: 'a' }, { id: 2, type: 'b' }]);