September 2018
Intermediate to advanced
302 pages
7h 17m
English
Content preview from Hands-On Design Patterns with React Native
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Working with side effects in Flux
In Flux, we still retain the freedom to choose the place where side effects are triggered, but we must respect unidirectional flow.
Some examples of possible side effects in Flux include the following:
- Downloading data on user click and then sending it to the Dispatcher
- The Dispatcher downloads data before sending data to registered callbacks
- The store commences synchronous side effects to retain necessary data for update
A good idea is to force side effects to occur in only one place in the Flux architecture. We could perform side effects only on action triggers. For instance, when the SHOW_MORE action is triggered by a user click, we first download the data and then send the full object to the Dispatcher. ...
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