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Reusing App State in React Native With Recoil - Sergii Zhuravel , React Advanced 2021
Learn how to reuse app state in React Native with Recoil, a distributed and incremental state definition system. Easy to learn and use, Recoil provides a simple API for managing state in React and React Native applications.
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We use
use recoil valuewhen we need to read state and don’t want to change it. - Atom should use a unique key.
- Recoil is a distributed and incremental state definition.
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We create a basic subject with observers and use
notifymethod. - Recoil can be used in React and React Native.
- Global state is data that is shared across the application.
- Recoil is relatively easy to test within React context and outside.
- Selectors represent derived state.
- We can use recoil in navigation, such as in React Native apps.
- Cache is important for storing and retrieving data.
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When we change recoil state, we use
use recoil state. - Recoil is easy to learn and has a minimal codebase.
- We can reuse state configuration across multiple features.
- Atoms can be distributed and observed.
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We can use
use recoil valueto read state and subscribe to state changes. - Recoil has a simple and easy-to-use API.
- We can use recoilSelectors to extract state management into a separate library.
- Recoil is still an experimental tool.
- It can be used in place of Redux with its similar features.
- Recoil has good support for React suspense and caching.
- Selectors can be synchronous or asynchronous.