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In my opinion, the simplest way is to populate all my stores before the actual rendering begins. That means somewhere outside of the component hierarchy (hooked to my router for example). The problem with this approach is that I would have to pretty much define the page structure twice. Consider a more complex page, for example a blog page with many different components (actual blog post, comments, related posts, newest posts, twitter stream...). I would have to design the page structure using React components and then somewhere else I would have to define the process of populating each required store for this current page. That doesn't seem like a nice solution to me. Unfortunately most isomorphic tutorials are designed this way (for example this great flux-tutorial).
React-async. This approach is perfect. It lets me simply define in a special function in each component how to initialize the state (doesn't matter whether synchronously or asynchronously) and these functions are called as the hierarchy is being rendered to HTML. It works in a way that a component is not rendered until the state is completely initialized. The problem is that it requires Fibers which is, as far as I understand, a Node.js extension that alters the standard JavaScript behavior. Although I really like the result, it still seems to me that instead of finding a solution we changed the rules of the game. And I think we shouldn't be forced to do that to use this core feature of React.js. I'm also not sure about the general support of this solution. Is it possible to use Fiber on standard Node.js web hosting?
React-async. This approach is perfect. It lets me simply define in a special function in each component how to initialize the state (doesn't matter whether synchronously or asynchronously) and these functions are called as the hierarchy is being rendered to HTML. It works in a way that a component is not rendered until the state is completely initialized. The problem is that it requires Fibers which is, as far as I understand, a Node.js extension that alters the standard JavaScript behavior. Although I really like the result, it still seems to me that instead of finding a solution we changed the rules of the game. And I think we shouldn't be forced to do that to use this core feature of React.js. I'm also not sure about the general support of this solution. Is it possible to use Fiber on standard Node.js web hosting?
Related discussion on GitHub. Apparently, there is no official approach or even solution. Maybe the real question is how the React components are intended to be used. Like simple view layer (pretty much my suggestion number one) or like real independent and standalone components?