[arianon]

You can keep a very comfortable degree of separation between logic and presentation with React, and there are multiple ways to do so, such as using Container Components for state-management and stateless Presentational Components for the actual appearance of your app, using Higher-Order Components, or the "Render Prop" technique that's been making rounds lately . I am working on a React SPA and I have no problem at all keeping things such as data fetching, local state and what not separate from the presentation, either in my codebase or in my head.