Can I use this with SwiftUI?

Yes, the patterns provided are designed to integrate perfectly with SwiftUI by working alongside @Observable view models and Task-based asynchronous calls.

How does it prevent data corruption during saves?

The skill utilizes actor isolation to serialize access and uses .atomic write options to ensure that files are not corrupted if the app crashes mid-write.

Does this replace Core Data or Realm?

It serves as a lightweight, thread-safe alternative for apps that need simple JSON persistence without the overhead of a full database engine.

What version of Swift is required for this skill?

This skill requires Swift 5.5 or later, as it relies on the Actor model and modern concurrency framework introduced in that version.

Is the initialization process asynchronous?

To simplify implementation, the pattern uses synchronous loading during the actor's init, which avoids the complexity of async initializers for local file access.

Swift Actor Persistence

Name: Swift Actor Persistence
Author: saar120

bysaar120

0•

Mobile Development

Implements thread-safe data persistence in Swift applications using the actor model to eliminate data races and simplify local storage.

This skill provides standardized implementation patterns for building robust, thread-safe persistence layers in Swift 5.5+. By leveraging Swift's actor model, it creates a repository pattern that combines high-performance in-memory caching with atomic file-backed storage, ensuring data integrity without the need for manual locks or dispatch queues. It is particularly useful for iOS and macOS developers building offline-first applications or managing shared mutable state across concurrent contexts while maintaining compiler-enforced safety.

Key Features

01Generic repository pattern supporting Codable and Identifiable types

02Seamless integration with modern Swift concurrency and @Observable view models

03High-speed in-memory caching with O(1) lookup performance

040 GitHub stars

05Compiler-enforced thread safety using the Swift actor model

06Durable, atomic file-backed storage using JSON serialization

Use Cases

01Building offline-first iOS and macOS apps with local data caching

02Managing shared mutable state safely across multiple concurrent app components

03Replacing legacy lock-based or DispatchQueue thread safety in existing Swift projects

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add saar120/skillgate-registry swift-actor-persistence

For use in Claude.ai and ChatGPT

Key Features

01Generic repository pattern supporting Codable and Identifiable types

02Seamless integration with modern Swift concurrency and @Observable view models

03High-speed in-memory caching with O(1) lookup performance

040 GitHub stars

05Compiler-enforced thread safety using the Swift actor model

06Durable, atomic file-backed storage using JSON serialization

Use Cases

01Building offline-first iOS and macOS apps with local data caching

02Managing shared mutable state safely across multiple concurrent app components

03Replacing legacy lock-based or DispatchQueue thread safety in existing Swift projects

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add saar120/skillgate-registry swift-actor-persistence

For use in Claude.ai and ChatGPT