I am working on sorting out my Javascript code. Currently I have views implement

Question

I am working on sorting out my Javascript code. Currently I have views implemented without any Model or collection. Now I working on separating Model from View. So for this transformation, I am planning as follows:

         View ---> X <--- | ---> Server
          < Client side >
Assumptions:

View will not have any data that is to be loaded form server.
X will talk to server and get the required data. Then X will fire event.
View will listen to events and update themselves accordingly.
X is not an exact replica of some entity on server. X will just take those entities/ data from server and then View can request this data from X.
There will be exactly one X for each View.
Now question is -- What is X called?
Options -- Model, Controller, ViewModel, Presenter, or anything else.
Or Is this very crude thing which can not have terminology?

Explanation / Answer

X is most commonly called a ViewModel. Controllerless MVVM is what your implementation most closely resembles.

If your view is handling the events from X, it's similar to Model-View-Binder, kind of like Knockout.js, maybe without the declarative style.

I wouldn't worry so much about what it's called. Worry about how/if it works.

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