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I'm exploring ClojureScript via the re-frame SPA pattern and it got me really excited about UI development again. What's the best way to sync data with a REST server backend?

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I recommend the following: 1) read up on how Om.Next handles remote calls. Not that it's the only way to do it, but it de-couples the async functionality of a remote call from the rendering loop. 2) Just code against something like Google Closure's XHR libraries, making a HTTP call isn't complicated, just wrap basic functions to suit your needs.

But over all, no matter what you use, core.async, or callbacks or whatever, limit the async bits to the edges of your code. Done correctly (Om.Next is a great example) you shouldn't need a whole lot of async bits to get a nice clean app. If you have core.async "go" blocks littered all through your codebase, you're doing something wrong.

I recommend the cljs-ajax library https://github.com/JulianBirch/cljs-ajax

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