Combine to Observation Migrator

About

This skill provides comprehensive guidance and implementation patterns for migrating legacy Combine-based codebases to the modern Swift Observation framework and structured concurrency. It assists developers in converting ObservableObject implementations to @Observable classes, transforming complex Publisher chains into clean AsyncSequences, and replacing reactive pipelines with native async/await logic. Ideal for teams modernizing their Apple platform apps to leverage the performance and syntax improvements introduced in iOS 17 and macOS 14.

Key Features

• Transforms Combine Publisher pipelines into AsyncSequence and for-await loops
• Provides bridging patterns for incremental migration between legacy and modern APIs
• Converts ObservableObject and @Published properties to the modern @Observable macro
• Implements modern debouncing, throttling, and retry logic using Swift Tasks
• Maps SwiftUI property wrappers like @StateObject and @ObservedObject to modern equivalents
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Use Cases

• Converting custom reactive event streams into native AsyncStream implementations
• Modernizing a SwiftUI application's state management for improved performance and simpler syntax
• Refactoring networking layers from dataTaskPublisher to structured concurrency