swift-actor-persistence

Persist data thread-safely in Swift using actors with file-backed storage.

12|4|Updated Mar 22, 2026
One-click install
npx skills add https://github.com/TeiNam/kiro-with-harness --skill swift-actor-persistence-teinam
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: swift-actor-persistence
Source: https://github.com/TeiNam/kiro-with-harness/tree/main/skills/swift-actor-persistence
Command: npx skills add https://github.com/TeiNam/kiro-with-harness --skill swift-actor-persistence-teinam

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Swift developers struggle with data persistence in concurrent environments, often leading to data races and race conditions. This skill addresses the need for a robust, thread-safe data persistence solution that is both simple and efficient.

Core Features & Use Cases

  • Thread-Safe Data Storage: Provides a framework for storing and retrieving data in a thread-safe manner using Swift actors.
  • In-Memory Caching + File Persistence: Combines the speed of in-memory caching with the durability of file-based storage.
  • Use Case: For developers building iOS/macOS apps that require a reliable and efficient way to persist data locally.

Quick Start

Initialize a repository for persistent data storage and perform CRUD operations.

Frequently Asked Questions about swift-actor-persistence

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I achieve thread-safe data persistence in Swift without data races?

Thread-safe data persistence in Swift is achieved by leveraging the actor model to isolate state and eliminate data races. This approach combines in-memory caching for speed with file-backed storage to ensure data durability across concurrent operations.

What is the best way to handle concurrent file storage and in-memory caching in iOS apps?

Handling concurrent file storage and in-memory caching is best done using Swift actors to serialize access. This mechanism provides fast data retrieval from memory while asynchronously synchronizing writes to disk for local durability.

How do I perform CRUD operations with an actor-based persistence repository in Swift?

Performing CRUD operations with an actor-based repository involves initializing the actor instance and calling its asynchronous methods for data storage and retrieval. The actor internally manages the in-memory cache state and coordinates file persistence automatically.

Can I use Swift actors for local data storage in macOS applications?

You can use Swift actors for local data storage in macOS applications, as they provide a native mechanism for thread-safe persistence. The framework combines in-memory caching with file-backed storage, ensuring data availability and durability across iOS and macOS platforms.

Why does my Swift data persistence solution encounter race conditions in concurrent environments?

Data persistence encounters race conditions in concurrent environments when shared mutable state is accessed without synchronization. Using Swift actors resolves this by serializing access to the storage repository, ensuring safe concurrent reads and writes.

What are the limitations of using Swift actors for file-backed data storage?

Limitations of using Swift actors for file-backed data storage include the requirement for asynchronous await calls for all interactions and potential file system bottlenecks during intensive concurrent writes, though in-memory caching helps mitigate read latency.