A library to persist and rehydrate a Redux store across browser sessions or app restarts.
Redux Persist is a middleware library for Redux that automatically saves the Redux store's state to a persistent storage location (like a browser's localStorage or a mobile device's AsyncStorage) and rehydrates it when the application restarts. It solves the problem of losing application state on page refresh or app restart, enabling features like maintaining user sessions, preserving UI state, and offering offline capabilities.
Developers building applications with Redux for web or React Native who need to maintain state across sessions, such as those working on e-commerce apps, dashboards, or mobile apps with user authentication.
Developers choose Redux Persist because it integrates seamlessly with Redux, offers extensive customization through storage engines, transforms, and state reconciliation strategies, and has strong community support with a wide range of plugins for advanced use cases.
persist and rehydrate a redux store
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Supports a wide range of storage engines, including localStorage for web, AsyncStorage for React Native, and community options for electron, cookies, and more, as listed in the Storage Engines section.
Allows selective persistence via whitelist and blacklist, and supports nested persists for deep filtering, enabling precise management of what parts of the Redux state tree are saved.
Provides transforms to handle non-JSON data types like Sets, and supports encryption and compression through community libraries, addressing advanced serialization needs.
Includes createMigrate for handling state schema changes across app versions, ensuring backward compatibility and smooth updates during deployment.
The project had a period of reduced maintenance, leading to outdated dependencies and unresolved issues, as acknowledged in the 'Under New Management' section from September 2021.
Requires careful setup of state reconcilers, transforms, and storage options, which can be error-prone and daunting for developers unfamiliar with Redux's persistence nuances.
Persisting state on every change can introduce latency, especially with large state trees or slow storage backends, and default reconciliation strategies may not optimize for all use cases.