timothycosta

struct ViewControllerHolder {
	weak var value: UIViewController?
	init(_ value: UIViewController?) {
		self.value = value
	}
}

struct ViewControllerKey: EnvironmentKey {
	static var defaultValue: ViewControllerHolder { return ViewControllerHolder(UIApplication.shared.windows.first?.rootViewController ) }

Amzd

import Combine
import PublishedObject // https://github.com/Amzd/PublishedObject
import SwiftUI

/// A property wrapper type that instantiates an observable object.
@propertyWrapper
public struct StateObject<ObjectType: ObservableObject>: DynamicProperty
where ObjectType.ObjectWillChangePublisher == ObservableObjectPublisher {
    
    /// Wrapper that helps with initialising without actually having an ObservableObject yet

BigZaphod

//
// A simplified implementation of https://gist.github.com/sturdysturge/e5163a9e95826adbeff9824d5aa1d111
// Which has an associated article here: https://betterprogramming.pub/build-a-secure-swiftui-property-wrapper-for-the-keychain-e0f8e39d554b
// Requires the Keychain Access package: https://github.com/kishikawakatsumi/KeychainAccess
//

import SwiftUI
import KeychainAccess

@propertyWrapper