It is possible chaining promises (as in my first example), just just need to wrap it all in a `.then(value => value.[operation]())`, but this way you can just u

It is possible chaining promises (as in my first example), just just need to wrap it all in a `.then(value => value.[operation]())`, but this way you can just use the `.[operation]()` straight on the data like you would do if there was no promise in the way.