HarshilShah’s gists

HarshilShah / UserDefault.swift

Created October 18, 2019 15:23

An observable property wrapper for UserDefaults

	import Foundation
	import Combine

	@propertyWrapper
	final class UserDefault<Wrapped>: NSObject, ObservableObject {

	typealias Validator = (Wrapped) -> (Wrapped)

	private let suite: UserDefaults
	private let key: String

HarshilShah / LabeledContainer.swift

Created March 5, 2020 14:27

A basic attempt at recreating the Form SwiftUI component on macOS

	import SwiftUI

	struct LabeledViewAlignment: AlignmentID {
	static func defaultValue(in context: ViewDimensions) -> CGFloat {
	context[.leading]
	}
	}

	extension HorizontalAlignment {
	static let labeledViewAlignment = HorizontalAlignment(LabeledViewAlignment.self)

HarshilShah / FetchResult.swift

Created July 15, 2020 13:32

A wrapper around PHFetchResult that conforms to various Swift sequence protocols

	import Photos

	final class FetchResult<Object: AnyObject> {
	let phFetchResult: PHFetchResult<Object>

	init(_ phFetchResult: PHFetchResult<Object>) {
	self.phFetchResult = phFetchResult
	}
	}

HarshilShah / Property.swift

Created February 5, 2021 16:00

A ReactiveSwift.Property equivalent in Combine

	import Combine
	import Foundation

	final class Property<Value> {

	// MARK: Public properties

	var value: Value { subject.value }

	// MARK: Private properties

HarshilShah / TappableButton.swift

Created April 29, 2021 09:12

A SwiftUI view that allows you to create a button which can be styled inline, based on whether it is pressed

	import SwiftUI

	struct TappableButton<Content: View>: View {
	private struct PressableButtonStyle: ButtonStyle {
	@ViewBuilder var label: (Bool) -> Content

	func makeBody(configuration: Configuration) -> some View {
	label(configuration.isPressed)
	}
	}

HarshilShah / ContentView.swift

Last active January 4, 2024 14:07

Trying to backport the `safeAreaInset` modifier to iOS 14

	struct ContentView: View {
	@State private var text = ""

	var body: some View {
	ScrollView {
	LazyVStack(alignment: .leading) {
	ForEach(1 ..< 20) { number in
	Text("Row number \(number)")
	.padding()
	}

HarshilShah / Effect+ResultTask.swift

Created January 27, 2022 17:19

A convenience initialiser for Effect that allows you to use Effect.task while still retaining strongly typed errors

	extension Effect {
	static func resultTask(
	priority: TaskPriority? = nil,
	operation: @escaping @Sendable () async -> Result<Output, Failure>
	) -> Self {
	Effect<Result<Output, Failure>, Never>
	.task(priority: priority, operation: operation)
	.flatMap { result -> Self in
	switch result {
	case .success(let value): return Effect(value: value)

HarshilShah / SymmetricHStack.swift

Created June 14, 2022 15:36

A SwiftUI view to render an HStack with centered, leading, and trailing contents

	import SwiftUI

	struct SymmetricHStack<Content: View, Leading: View, Trailing: View>: View {
	@ViewBuilder var content: () -> Content
	@ViewBuilder var leading: () -> Leading
	@ViewBuilder var trailing: () -> Trailing

	var body: some View {
	HStack {
	ZStack(alignment: .leading) {

HarshilShah / View+ScaledFrame.swift

Created July 30, 2022 04:51

A SwiftUI extension that scales a frame using a specified dynamic type style

	struct ScalingFrameModifier: ViewModifier {
	@ScaledMetric var width: CGFloat
	@ScaledMetric var height: CGFloat
	var hasWidthSpecified: Bool
	var hasHeightSpecified: Bool
	var alignment: Alignment = .center

	init(
	width: CGFloat? = nil,
	height: CGFloat? = nil,

HarshilShah / PhotosStylePicker-Final.swift

Created December 21, 2022 10:23

A SwiftUI picker that tries to match the Years/Months/Days/All Photos palette in the Library tab of Photos for iOS

Harshil Shah HarshilShah