What's New

1.0.1: Remove Dependencies


📦 Removed a dependency on swift-format, as it's used only during development. Swift Package Manager doesn't yet provide a way to distinguish development dependencies.

⛅️ AsyncCloudKit

Swift extensions for asynchronous CloudKit record processing. Designed for simplicity.

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AsyncCloudKit exposes CloudKit operations as async functions and AsyncSequences.

📦 Adding AsyncCloudKit to Your Project

AsyncCloudKit is a Swift Package. Add a dependency on AsyncCloudKit to your Package.swift using Xcode or the Swift Package Manager. Optionally, specify a version requirement.

dependencies: [
  .package(url: "https://github.com/chris-araman/AsyncCloudKit.git", from: "1.0.0")

Then resolve the dependency:

swift package resolve

To update to the latest AsyncCloudKit version compatible with your version requirement:

swift package update AsyncCloudKit

🌤 Using AsyncCloudKit in Your Project

Swift concurrency allows you to process CloudKit records asynchronously, without writing a lot of boilerplate code involving CKOperations and completion blocks. Here, we perform a query on our CKDatabase, then process the results asynchronously. As each CKRecord is read from the database, we print its name field.

import CloudKit
import AsyncCloudKit

func queryDueItems(database: CKDatabase, due: Date) async throws {
  for try await record in database
    .performQuery(ofType: "ToDoItem", where: NSPredicate(format: "due >= %@", due)) { (record: CKRecord) in


AsyncCloudKit functions that return an ACKSequence queue an operation immediately. Iterating the sequence allows you to inspect the results of the operation. If you stop iterating the sequence early, the operation may be cancelled.

Note that because the atBackgroundPriority functions are built on CKDatabase methods that do not provide means of cancellation, they cannot be canceled. If you need operations to respond to requests for cooperative cancellation, please use the publishers that do not have atBackgroundPriority in their names. You can still specify QualityOfService.background by passing in a CKOperation.Configuration.

📘 Documentation

💯% documented using Jazzy. Hosted by GitHub Pages.

❤️ Contributing

Contributions are welcome!

📚 Further Reading

To learn more about Swift Concurrency and CloudKit, watch these videos from WWDC:

...or review Apple's documentation:

If you're looking for Swift Combine extensions for CloudKit, take a look at CombineCloudKit!

📜 License

AsyncCloudKit was created by Chris Araman. It is published under the MIT license.


  • Swift Tools 5.5.0
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Last updated: Mon Mar 18 2024 11:39:27 GMT-0900 (Hawaii-Aleutian Daylight Time)