The simplicity of view models
We've discussed view models and application architecture using the word "flow" several times. As the user manipulates various parts of the user interface, data flows through controllers and view models to represent the current state of the application. Rather than writing out a list of all of the junctions through which data can flow in this application, let's try and picture it instead as follows:
Interactions between the cart store on the main view model and its dependents
Being able to conceptualize your application at this level is a good sign that it is well-understood and well-conceived. In larger applications, ...
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