simme’s gists

simme / RelayReducer.swift

Created April 13, 2023 15:12

	/*
	Usage:

	Store(
	initialState: .init(),
	reducer: UserRecipesListReducer().relay { [unowned self] featureAction in
	// Handle action here
	}
	)
	*/

simme / StoreControllerDialogs.swift

Created April 4, 2023 08:44

UIKit helpers for presenting alerts and confirmation dialogs

	/*
	Example usage:

	confirmationDialog(
	store: store.scope(state: \.destination, action: UserRecipesListReducer.Action.destination),
	state: /UserRecipesListReducer.Destination.State.confirmation,
	action: UserRecipesListReducer.Destination.Action.confirmation
	).store(in: &subscriptions)

	alert(

simme / FetchRecordZoneChangesPublisher.swift

Created December 6, 2022 08:33

	import CloudKit
	import Combine

	/// A publisher that wraps a `CKFetchRecordZoneChangesOperation` and emits events as the operation completes.
	///
	/// The `FetchRecordZoneChangesPublisher` fetches changes from the given record zones. New and deleted records are
	/// posted individually via the `.recordChanged` and `.recordDeleted` actions.
	///
	/// Errors are automatically retried if possible. Resetting the change token in case it expired is also automatically
	/// handled. Because emitting errors fails a publisher all errors are posted as actions. There may still be running

simme / sqlite question.md

Last active January 5, 2022 19:52

Given these two tables

lists

simme / DebounceReducer.swift

Created September 8, 2021 12:01

	extension Reducer {
	/// Wraps a reducer to inject a debounced action back into the reducer.
	///
	/// Use this higher order reducer when you want to schedule some work to happen after any other action is recieved by
	/// the reducer.
	///
	/// Usage:
	/// ```
	/// otherReducer.debounceReactiveAction(
	/// id: DebounceID(),

simme / CKError.swift

Created June 9, 2021 14:05

CloudKit publishers

	import CloudKit

	extension Error {

	/// `true` if the error represents a CloudKit conflict.
	var isCloudKitConflictError: Bool {
	(self as? CKError).map { $0.code == CKError.Code.serverRecordChanged } ?? false
	}

	/// `true` if the error represents a CloudKit zone deleted error.

simme / StateStoreCell.swift

Created December 10, 2020 14:40

Composable Architecutre helpers

	import Combine
	import ComposableArchitecture
	import UIKit

	/// The state store cell is a cell superclass designed to work with Composable Architecture state stores. It removes
	/// much of the boiler plate involved with creating a custom cell subclass.
	open class StateStoreCell<State: Equatable, Action>: UICollectionViewCell {

	// MARK: Properties

simme / CloudKitAccountStatus.swift

Created July 15, 2020 14:21

	import CloudKit
	import Combine

	/// Fetches the user's CloudKit Account status.
	///
	/// - Parameter container: The container to check the status in.
	///
	/// - Returns: A deferred future that resolves to the user's CloudKit Account status.
	func getAccountStatus(for container: CKContainer) -> AnyPublisher<CKAccountStatus, Error> {
	Deferred {

simme / CellConfinable.swift

Created March 21, 2020 21:59

	import UIKit

	public protocol CellConfinable: UIView {
	associatedtype Item
	var isSelected: Bool { get set }
	var isHighlighted: Bool { get set }
	func prepareForReuse()
	func configure(for item: Item)
	}

simme / CombineFrame.swift

Created February 20, 2020 10:26

	private final class OfferingButton: UIViewController {

	@Published private var frame: CGRect = .zero

	private var subscriptions: [AnyCancellable] = []

	override func viewWillAppear(_ animated: Bool) {
	super.viewWillAppear(animated)

	$frame.removeDuplicates()

Simon Ljungberg simme