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CombineUI

This is a framework I'm developing (currently for use in a personal project) to bridge Combine with UIKit and other Cocoa Touch frameworks like Core Data. At the moment, its development is guided by the features that I need for the personal project, but I'm more than open to PRs from people who want to contribute. Once I have a feel for what works and what doesn't, I plan on releasing this as a CocoaPod, Swift Package, etc. I plan on testing things as thoroughly and extensively as possible, but sometimes I don't write tests for features until after using the features for a bit to find bugs and other issues.

Classes are named to match their original counterparts, with a C prefix. For example, the features supporting UITableView are named CUITableView*.

Here's what CombineUI contains:

  • CNSManagedObjectFetchedResultsController: A Core Data utility to perform a fetch request on a managed object context, and then notify a publisher when items matching the request change, get added, removed, etc.
  • CUIControlPublisher and CUIControlSubscription: Utilities that let you observe target-action events on controls using Combine publishers.
  • CUIViewController: A UIViewController subclass that makes it easier to configure and manage bindings.
  • CUITableViewSection and CUITableViewDescriptor: Utilities that make it easier to configure table views using Combine publishers to provide items and sections. See this blog post for an introduction.
  • UIAlertController+CombineUI: A UIAlertController extension that makes it possible to show an alert with a text field, along with a publisher that provides updates when the text field gets submitted.