This article сovers the main questions: Why the development of isomorphic applications is getting more and more popular? What is the advantage of a single page application on React JS as compared to other SPA types? How does isomorphic React help create SEO-friendly SPAs? And why do many developers and businesses prefer React JS development?
If you've been doing React for a while you might have tried a few different Flux implementations along the way. A lot of React users have since migrated to Redux, which is a really great paradigm. If you're still using a more traditional style Flux library, you might have ran into the same issues Oliver Hager has.
Saga is a failure management pattern. In his paper Hector Garcia-Molina, inventor of the pattern, defines sagas as an approach to handling system failures in long-running transactions. If you're doing Redux, it might not be entirely clear how the Saga pattern fits into your business logic. Roman Liutikov clears up some of the confusion.