A thin RxSwift wrapper for RealmSwift that enables reactive observation and write transactions for Realm collections and objects.
RxRealm is a Swift library that provides RxSwift extensions for RealmSwift, enabling reactive programming patterns with Realm's database types. It allows developers to observe Realm collections and objects as Observables, automatically updating UI components when data changes. The library solves the problem of manually managing Realm notifications and write transactions by integrating them seamlessly into RxSwift streams.
iOS/macOS developers building reactive applications with RealmSwift who want to leverage RxSwift for data binding and state management. It's particularly useful for developers already using both Realm and RxSwift in their tech stack.
Developers choose RxRealm because it provides a clean, minimal API that bridges two powerful libraries without adding bloat. Its reactive approach simplifies handling real-time data updates, reduces boilerplate code for Realm observations, and enables elegant UI binding with automatic change animations.
RxSwift extension for RealmSwift's types
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Provides Observable wrappers for Realm Results, List, and other collections, emitting changesets with detailed insert, delete, and update indexes for real-time updates, as shown in the README's Observable.changeset(from:) examples.
Integrates with RxCocoa for UITableView/UICollectionView binding and offers RxRealmDataSources for animated updates, reducing boilerplate code for reactive UI layers.
Follows a lightweight philosophy, adding just enough abstraction to make Realm types reactive without bloating the codebase, as emphasized in the project's philosophy section.
Includes operators like rx.add() and rx.delete() to perform Realm write transactions reactively, simplifying data mutations within RxSwift streams.
Animated binding to table and collection views requires the additional RxRealmDataSources dependency, increasing project complexity beyond the core library.
Forces adoption of both RealmSwift and RxSwift, which are substantial libraries themselves, potentially increasing app size and learning curve for teams.
Write transactions require careful management of Realm instances across threads, with documentation warnings about retaining realms to avoid issues.
The README's TODO section mentions pending tests for additional platforms, indicating potential compatibility gaps or untested edge cases.