Amzd

// Inspired by: https://gist.github.com/dfrib/d7419038f7e680d3f268750d63f0dfae
import Foundation

public extension Dictionary {

    subscript(keyPath string: Key, separator: String) -> Value? where Key == String {
        get { return self[keyPath: string.components(separatedBy: separator)] }
        set { self[keyPath: string.components(separatedBy: separator)] = newValue }
    }
    

Amzd

extension Array where Element: Identifiable {
    public subscript(id: Element.ID) -> Element? {
        first { $0.id == id }
    }
}

// let arrayOfIdentifiables = []
// let itemWithId = arrayOfIdentifiables[id]

Amzd

extension Spacer {
    /// https://stackoverflow.com/a/57416760/3393964
    public func onTapGesture(count: Int = 1, perform action: @escaping () -> Void) -> some View {
        ZStack {
            Color.black.opacity(0.001).onTapGesture(count: count, perform: action)
            self
        }
    }
}

Amzd

import SwiftUI

extension View {
    /// https://stackoverflow.com/a/61985678/3393964
    public func cursor(_ cursor: NSCursor) -> some View {
        self.onHover { inside in
            if inside {
                cursor.push()
            } else {
                NSCursor.pop()

Amzd

/// An iOS style TabView that doesn't reset it's childrens navigation stacks when tabs are switched.
public struct UIKitTabView: View {
    private var viewControllers: [UIHostingController<AnyView>]
    private var selectedIndex: Binding<Int>?
    @State private var fallbackSelectedIndex: Int = 0
    
    public init(selectedIndex: Binding<Int>? = nil, @TabBuilder _ views: () -> [Tab]) {
        self.viewControllers = views().map {
            let host = UIHostingController(rootView: $0.view)
            host.tabBarItem = $0.barItem

Amzd

extension Image {
    /// This helps achieving what `UIView.ContentMode.scaleAspectFit` and `.scaleAspectFill` do in UIImageView.contentMode
    ///
    /// The difference between Image.containerAspectRatio (this) and SwiftUIs View.aspectRatio is that the first applies the 
    /// aspect ratio to the view that contains the image, rather than to the image itself.
    ///
    /// So in the following example:
    /// - The first image will scale to a square but the contentMode does not do anything to prevent stretching and wether you use .fit or .fill does not matter.
    /// - The second image will resize to fit inside a square while maintaining its aspect ratio, similar to how a UIImageView with contentMode set to scaleAspectFit behaves.
    /// - The third image will resize to fill inside a square while maintaining its aspect ratio similar to how a UIImageView with contentMode set to scaleAspectFill behaves.

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

Amzd

import SwiftUI

@available(iOS 14.0, *)
public struct ColorPickerWithoutLabel: UIViewRepresentable {
    @Binding var selection: Color
    var supportsAlpha: Bool = true
    
    public init(selection: Binding<Color>, supportsAlpha: Bool = true) {
        self._selection = selection
        self.supportsAlpha = supportsAlpha